Tag Archives: gear reducer

China Best Sales S Series Helical Worm Gear Reducer near me shop

Item Description

SC Transmission F sequence

                     S Collection Helical Worm Gear Reducer with Hollow Shaft

 

Product:37~97

Ratio:6.8~288

Input energy: 0.twelve~22kW

Output torque:eleven~4900N.m

 

 

one.1. S series: appropriate-angle velocity reduction gearing composed by helical gears, worms, and gears, optimized and designed in accordance to intercontinental regular
 
1.2.Higher precision, large efficiency, fantastic classification in transmission ratio, vast range, large transmission torque, reputable overall performance, low sounds, flexible installation, and hassle-free use and maintenance.
 
one.3. They are broadly utilised in a variety of low-velocity transmissions, which are basic basic areas of mechanical transmission. 
 

 

 

 

 

Housing material                                     Cast iron
Housing hardness HBS90-240
Gear material: 20CrMnTi
Surface hardnesss of gear     HRC58°-62°
Gear core hardness HRC33°-40°
Input/Output shaft material          . 40CrMnTi
Input/Output shaft hardness HBS241°-286°
Shaft at oil seal postion hardness HRC48 ° -55 °
Machining precision of gears  material Accurate grinding 6-5 grade
Heat treatment tempering, cementing, quenching etc
Efficiency up to 90%
Noise(Max) 60-68dB
Unit model Foot mounted,flange mounted,hollow shaft mounted
Input method flange input,inline input,shaft input
Vibration ≤ 20um
Backlash ≤ 20Arcmin
Bearing brands NSK,C&U etc
Oil seal brands NAK,SKF etc
Lubricant VG680
Motor IP55, F class
Motor shaft 40Cr, Tempering, cementing,quenching etc.
Housing material                                     Cast iron
Housing hardness HBS90-240
Gear material: 20CrMnTi
Surface hardnesss of gear     HRC58°-62°
Gear core hardness HRC33°-40°
Input/Output shaft material          . 40CrMnTi
Input/Output shaft hardness HBS241°-286°
Shaft at oil seal postion hardness HRC48 ° -55 °
Machining precision of gears  material Accurate grinding 6-5 grade
Heat treatment tempering, cementing, quenching etc
Efficiency up to 90%
Noise(Max) 60-68dB
Unit model Foot mounted,flange mounted,hollow shaft mounted
Input method flange input,inline input,shaft input
Vibration ≤ 20um
Backlash ≤ 20Arcmin
Bearing brands NSK,C&U etc
Oil seal brands NAK,SKF etc
Lubricant VG680
Motor IP55, F class
Motor shaft 40Cr, Tempering, cementing,quenching etc.

Worm gear reducer

Cheaper than planetary gearboxes In many cases, worm gear reducers are a popular alternative to planetary gearboxes. A worm gear reducer is a mechanical device with vertical input and output shafts. This allows for very high reduction ratios. They are typically used in high-reduction situations such as machine tools.
Worm gears are cheaper than traditional gearboxes. They also have many benefits, including noise reduction. The output shaft of the worm gear reducer is almost 90 degrees from the motor input shaft, making it ideal for high-torque applications.
The worm gear reducer adopts an aluminum body, which is light in weight and high in operation efficiency. Additionally, they are available with hollow shafts and mounting flanges. In terms of initial cost, worm gear reducers are cheaper than planetary gearboxes. In addition, they have better efficiency and longer service life.
Worm drives are also ideal for portable battery-powered lifting equipment. The high gear ratio of the worm gear ensures that it does not reverse drive. The worm gear has a spring-applied brake that holds the motor in place.
Planetary gearboxes are popular among industrial users. The efficiency of planetary gearboxes is important for practical applications.
worm_reducer

pocket

The compact worm gear unit consists of a housing with an inner cavity. It has two side walls, one on either side of the front cover (13) and one on both sides of the rear cover (14). The front end cap is screwed onto the housing and the inner cavity is accessed through the rear end cap.
The compact worm gear unit can be configured to suit your application. They have many advantages, including saving space and increasing torque. The range includes single-envelope and double-envelope versions, available in a number of different power ratings. Additionally, they are IP65-rated, making them ideal for applications involving high radial or axial forces.
The compact worm reducer is a simple but effective worm drive. Its worm gear 16 meshes with the output shaft and rotates relatively stably. It also has a front-end cap and rear bearing. This enables the compact worm reducer to reduce vibration without damaging the output shaft.
Compact worm gear reducers are ideal for many applications and offer high efficiency. The compact design means you can mount them on the motor’s flange or base. Its durable construction makes it ideal for a variety of industries. They are extremely durable and can handle high-pressure and washdown conditions. They also come standard with a synthetic shaft.

high efficiency

High-efficiency worm gear reducers are ideal for applications that require precision, repeatability, and efficient performance. These reducers are designed with state-of-the-art servo motor technology to provide tight integration and an angular backlash of less than two arc minutes. The reduction ratio can be lower if the application requires it.
Rising energy costs have led to an increased focus on the efficiency of drives. In response to this, manufacturers have increased the efficiency of worm gear reducers through a number of technical improvements. By minimizing losses from rolling and sliding friction, worm gear reducers are more efficient than their counterparts.
The high-efficiency worm reducer is simple in design and has the characteristics of a compact structure, high-speed ratio, low power consumption, and self-locking. Other advantages of these reducers include low noise and long service life. Many also have built-in control systems that allow manual and remote adjustments. They also feature automatic shutdown protection and thermal protection.
High-efficiency worm reducers can be used for mechanical acceleration. The input hypoid gear is usually made of steel, while the output hypoid gear is usually made of bronze. Bronze is a soft metal that is good at absorbing shock loads. However, bronze requires work hardening to achieve optimum hardness. For large worm gears, this process can take 300 to 550 hours.
worm_reducer

low clearance

A low-clearance worm reducer is a device used to adjust the speed of a rotating shaft. It uses a worm gear consisting of two members. One worm is at one end of the shaft and the other is at the other end. Both worms are screwed into the synchronous drive structure.
Low clearance worm gear reducers can be produced on conventional worm gear production lines without overlapping investments. These units are usually made of soft rubber. Also, they are relatively quiet in operation. These machines are designed so that they are suitable for use in elevators. The softer material in the worm gear also helps absorb shock loads.
The tooth profile of the worm gear is designed to change with the axial movement of the worm. Worms have thinner right teeth and thicker left teeth. As the worm moves to the right, its teeth mesh with the worm gear, reducing backlash.
There are many different types of worm gears. The design of gears depends on many factors, including backlash, thermal design, friction factors and lubrication. Worm gears are made of several different materials. Some different types of materials used in worm gears require special lubrication.

quieter

The quieter worm reducer is designed to reduce the noise level of the rotating gear motor. The device has more gear teeth in meshing contact with the gears, which helps it run more quietly. In addition to being quieter than other transmissions, it’s also less expensive than its counterparts.
Worm gearboxes can be used for different applications, but they are not as efficient as helical gearboxes. Worm reducers are cheaper but less than 90% efficient. Higher gear ratios reduce efficiency, so worm gear reducers are better suited for applications that require low-speed torque. The cost of buying a worm gearbox will depend on the horsepower and gear ratios required.
Worm reducers are also more comfortable to use than planetary gearboxes. They don’t vibrate and heat up quickly, making them an excellent choice for low to medium horsepower applications. Worm gear reducers can be upgraded to improve their performance by combining with other gear trains or gearboxes.
worm_reducer

easy to replace

An easily replaceable worm gear reducer can save you a lot of money. A worm gear reducer is part of a chain drive and allows you to change gear ratios quickly and easily. Worm gear reducers can be easily replaced in a number of ways. It’s a good idea to read the manufacturer’s manual before replacing a worm gear reducer. Make sure you have the instructions available so you can refer to them in the future.
Worm gear reducers offer many advantages, including long service life and low noise. They are also designed with a 90-degree output shaft for easy installation. Another advantage of these gear reducers is that they can be used with both solid and hollow output shafts. This means less maintenance and downtime.
Worm gear reducers are widely used. Most gear manufacturers have large inventories. Worm gears also have uniform mounting dimensions. Dimensional consistency means you don’t have to worry about matching the shaft length and diameter to the worm gear. You can easily find a replacement worm gear reducer for your equipment.
When replacing the worm gear reducer, check the lubricating oil recommended by the machine. If not included, use original gear oil. Be sure to follow the manufacturer’s instructions carefully.

Worm Reducer l1Worm Reducer l2

China OEM RV Worm Gear Speed Reducer for Building equipment Worm speed gear box reducer made in china with high quality

>Click Here To Contact<Product Advantages Company Information Certificate Main Products Global Exhibition FAQ 1. How to choose a gearbox which meets our requirement?You can refer to our catalogue to choose the gearbox or we can help to choose when you providethe technical information of required output torque, output speed and motor parameter etc. 2. What information shall we give before placing a purchase order?a) Type of the gearbox, ratio, input and output type, 2571 new designed hot selling atv 4×4 70cc 90cc 110cc atv kids ATV input flange, mounting position, and motor informationetc.b) Housing color.c) Purchase quantity.d) Other special requirements. 3. What industries are your gearboxes being used?Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, High Quality Excavator E315C Hydraulic Pump Drive Shaft Rear SBS80 escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc. 4. Doyou sell motors?We have stable motor suppliers who have been coperating with us for a long-time. They can provide motorswith high quality.> 4034-5711-01 DI2011 DI1811 Lower Roller Bushing 2Pcs for Konica Minolta Di1611 Di1811 Di2011 Lower Roller Bushing Return Home<

Worm Gear Motors

Worm gear motors are often preferred for quieter operation because of the smooth sliding motion of the worm shaft. Unlike gear motors with teeth, which may click as the worm turns, worm gear motors can be installed in a quiet area. In this article, we will talk about the CZPT whirling process and the various types of worms available. We’ll also discuss the benefits of worm gear motors and worm wheel.
worm shaft

worm gear

In the case of a worm gear, the axial pitch of the ring pinion of the corresponding revolving worm is equal to the circular pitch of the mating revolving pinion of the worm gear. A worm with one start is known as a worm with a lead. This leads to a smaller worm wheel. Worms can work in tight spaces because of their small profile.
Generally, a worm gear has high efficiency, but there are a few disadvantages. Worm gears are not recommended for high-heat applications because of their high level of rubbing. A full-fluid lubricant film and the low wear level of the gear reduce friction and wear. Worm gears also have a lower wear rate than a standard gear. The worm shaft and worm gear is also more efficient than a standard gear.
The worm gear shaft is cradled within a self-aligning bearing block that is attached to the gearbox casing. The eccentric housing has radial bearings on both ends, enabling it to engage with the worm gear wheel. The drive is transferred to the worm gear shaft through bevel gears 13A, one fixed at the ends of the worm gear shaft and the other in the center of the cross-shaft.

worm wheel

In a worm gearbox, the pinion or worm gear is centered between a geared cylinder and a worm shaft. The worm gear shaft is supported at either end by a radial thrust bearing. A gearbox’s cross-shaft is fixed to a suitable drive means and pivotally attached to the worm wheel. The input drive is transferred to the worm gear shaft 10 through bevel gears 13A, one of which is fixed to the end of the worm gear shaft and the other at the centre of the cross-shaft.
Worms and worm wheels are available in several materials. The worm wheel is made of bronze alloy, aluminum, or steel. Aluminum bronze worm wheels are a good choice for high-speed applications. Cast iron worm wheels are cheap and suitable for light loads. MC nylon worm wheels are highly wear-resistant and machinable. Aluminum bronze worm wheels are available and are good for applications with severe wear conditions.
When designing a worm wheel, it is vital to determine the correct lubricant for the worm shaft and a corresponding worm wheel. A suitable lubricant should have a kinematic viscosity of 300 mm2/s and be used for worm wheel sleeve bearings. The worm wheel and worm shaft should be properly lubricated to ensure their longevity.

Multi-start worms

A multi-start worm gear screw jack combines the benefits of multiple starts with linear output speeds. The multi-start worm shaft reduces the effects of single start worms and large ratio gears. Both types of worm gears have a reversible worm that can be reversed or stopped by hand, depending on the application. The worm gear’s self-locking ability depends on the lead angle, pressure angle, and friction coefficient.
A single-start worm has a single thread running the length of its shaft. The worm advances one tooth per revolution. A multi-start worm has multiple threads in each of its threads. The gear reduction on a multi-start worm is equal to the number of teeth on the gear minus the number of starts on the worm shaft. In general, a multi-start worm has two or three threads.
Worm gears can be quieter than other types of gears because the worm shaft glides rather than clicking. This makes them an excellent choice for applications where noise is a concern. Worm gears can be made of softer material, making them more noise-tolerant. In addition, they can withstand shock loads. Compared to gears with toothed teeth, worm gears have a lower noise and vibration rate.
worm shaft

CZPT whirling process

The CZPT whirling process for worm shafts raises the bar for precision gear machining in small to medium production volumes. The CZPT whirling process reduces thread rolling, increases worm quality, and offers reduced cycle times. The CZPT LWN-90 whirling machine features a steel bed, programmable force tailstock, and five-axis interpolation for increased accuracy and quality.
Its 4,000-rpm, 5-kW whirling spindle produces worms and various types of screws. Its outer diameters are up to 2.5 inches, while its length is up to 20 inches. Its dry-cutting process uses a vortex tube to deliver chilled compressed air to the cutting point. Oil is also added to the mixture. The worm shafts produced are free of undercuts, reducing the amount of machining required.
Induction hardening is a process that takes advantage of the whirling process. The induction hardening process utilizes alternating current (AC) to cause eddy currents in metallic objects. The higher the frequency, the higher the surface temperature. The electrical frequency is monitored through sensors to prevent overheating. Induction heating is programmable so that only certain parts of the worm shaft will harden.

Common tangent at an arbitrary point on both surfaces of the worm wheel

A worm gear consists of two helical segments with a helix angle equal to 90 degrees. This shape allows the worm to rotate with more than one tooth per rotation. A worm’s helix angle is usually close to 90 degrees and the body length is fairly long in the axial direction. A worm gear with a lead angle g has similar properties as a screw gear with a helix angle of 90 degrees.
The axial cross section of a worm gear is not conventionally trapezoidal. Instead, the linear part of the oblique side is replaced by cycloid curves. These curves have a common tangent near the pitch line. The worm wheel is then formed by gear cutting, resulting in a gear with two meshing surfaces. This worm gear can rotate at high speeds and still operate quietly.
A worm wheel with a cycloid pitch is a more efficient worm gear. It reduces friction between the worm and the gear, resulting in greater durability, improved operating efficiency, and reduced noise. This pitch line also helps the worm wheel engage more evenly and smoothly. Moreover, it prevents interference with their appearance. It also makes worm wheel and gear engagement smoother.
worm shaft

Calculation of worm shaft deflection

There are several methods for calculating worm shaft deflection, and each method has its own set of disadvantages. These commonly used methods provide good approximations but are inadequate for determining the actual worm shaft deflection. For example, these methods do not account for the geometric modifications to the worm, such as its helical winding of teeth. Furthermore, they overestimate the stiffening effect of the gearing. Hence, efficient thin worm shaft designs require other approaches.
Fortunately, several methods exist to determine the maximum worm shaft deflection. These methods use the finite element method, and include boundary conditions and parameter calculations. Here, we look at a couple of methods. The first method, DIN 3996, calculates the maximum worm shaft deflection based on the test results, while the second one, AGMA 6022, uses the root diameter of the worm as the equivalent bending diameter.
The second method focuses on the basic parameters of worm gearing. We’ll take a closer look at each. We’ll examine worm gearing teeth and the geometric factors that influence them. Commonly, the range of worm gearing teeth is one to four, but it can be as large as twelve. Choosing the teeth should depend on optimization requirements, including efficiency and weight. For example, if a worm gearing needs to be smaller than the previous model, then a small number of teeth will suffice.

China OEM RV Worm Gear Speed Reducer for Building equipment Worm speed gear box reducer made in china  with high qualityChina OEM RV Worm Gear Speed Reducer for Building equipment Worm speed gear box reducer made in china  with high quality

China OEM 5500RPM High Torque Reducer Small Hollow Shaft Self-lock Engine 24V 12V Dc Micro Electric Drive Worm Gear Motor With Line with Great quality

FT MOTORGeared motor model: FT-58SGM31ZYGearbox diameter: 58×40.1mmVoltage: 1-24VSpeed: 1rpm-600rpmDC gear motors are widely used:Robots, electronic locks, public bicycle locks, relays, electric glue guns, household appliances, Advance Marine Gearbox HC600A Made In China 3D printing pens, electric toothbrushes, office equipment, massage CZPT care, beauty and fitness equipment, medical equipment, toys, 5 inch Single shaft Double 24V 150W AGV robot bldc brushless wheel driving hub motor with optional controller electric daily necessities, automotive automatic facilities, etc. Gearbox Data:Gear stages34Reduction ratio (K)54、75、106202、250、313、402、548、663、804、1327Gear box length L(mm)3119Rated torque (kg·cm)70.5Instant torque (kg·cm)121.5Gearbox efficiency (%)53%/ Motor DataMotor ModelNo LoadLoadStallMotor ModelRated VoltageSpeedCurrentSpeedCurrentOutputTorqueCurrentTorqueV(rpm)(mA)(rpm)(mA)(w)(g·cm)(mA)(g·cm)FT-31ZY125500185715715.513 0571 0520FT-31ZY129000300670015057130065001200FT-31ZY2435571026057102.590850360FT-31ZY2455001657103205.61301700520

How to Determine the Quality of a Worm Shaft

There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
worm shaft

Root diameter

There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of zero gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.

Dedendum

The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are two types of addendum teeth, one with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from two shafts that are not parallel, and have a line-toothed design. The pitch circle has two or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
worm shaft

CZPT’s whirling process

Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.

Wear load capacity

The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from one to four and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those three factors combined will determine the wear load capacity of your worm gear. It is critical to consider all three factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
worm shaft

NVH behavior

The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a two-threaded worm is shown in the figure.

China OEM 5500RPM High Torque Reducer Small Hollow Shaft Self-lock Engine 24V 12V Dc Micro Electric Drive Worm Gear Motor With Line  with Great qualityChina OEM 5500RPM High Torque Reducer Small Hollow Shaft Self-lock Engine 24V 12V Dc Micro Electric Drive Worm Gear Motor With Line  with Great quality

in San Salvador El Salvador sales price shop near me near me shop factory supplier F Series Parallel Shaft Gearbox F37 Helical Gear Reducer Motor manufacturer best Cost Custom Cheap wholesaler

  in San Salvador El Salvador  sales   price   shop   near me   near me shop   factory   supplier F Series Parallel Shaft Gearbox F37 Helical Gear Reducer Motor manufacturer   best   Cost   Custom   Cheap   wholesaler

There is a technical center of province stage, EPG academician functioning station, experiment station for EPG post physicians, and nationwide 863 system established up in EPG team. With these platforms and powerful complex potential, the more than 400 professionals have created all selection of unique high specific and substantial toughness goods, conducted mildew applications for important components in the automobile and nationwide sector revitalizing plan, ensuing a lot more than 5000 designed over, between which 33 objects are autonomous patent technology with four patent accredited . With several years’ knowledge in this line, we will be reliable by our rewards in aggressive cost, one particular-time supply, prompt response, on-hand engineering support and excellent right after-product sales solutions.In addition, all our manufacturing techniques are in compliance with ISO9001 standards. Our items are applied in a lot of fields. Item Description:

EPTT Series EPT motor is the EPT merchandise with intercontinental EPTd level.incXiHu (West EPT) Dis.Hu (West EPT) Dis. R sequence EPTcal EPTed motor, F series PXiHu (West EPT) Dis.Hu (West EPT) Dis.lel shaft-EPTcal EPTed motor, K sequence EPTcal-Beval EPTed motor,S series EPTcal-Worm.
EPTT series items adhere to EPT the philosophy of modularization and optimization, undertake finite aspect evaluation strategy and EPT

decrease sounds EPT in creating EPT ,to insure EPTd design.The classi fication of ratio is so acurate that.
Our corpotation also gives other merchandise choices this kind of as blended EPTed motor,shrink disk,spline hollow shaft, B14 flange,remember to seek advice from our company for further information.

EPT material Cast iron/Ductile iron
EPT hardness HBS190-240
EPT content 20CrMnTi alloy metal
Area hardness of EPTs EPTC58 deg~62 deg
EPT main hardness EPTC33~forty
Input / Output shaft substance 42CrMo alloy metal
Enter / Output shaft hardness EPTC25~thirty
Machining precision of EPTs precise grinding, 6~5 Quality
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment method tempering, cementiting, quenching, and so on.
Effectiveness ninety four%~96% (depends on the EPTT phase)
Noise (MAX) sixty~68dB
Temp. increase (MAX) forty degC
Temp. increase (Oil)(MAX) fifty degC
Vibration le20 microm
Backlash le20Arcmin
Model of bearings EPTT leading manufacturer bearing, EPTB/LYC/ZWZ/C ampU. Or other makes requested, SKF, NSK.
Brand name of oil seal NAK — EPTTiwan or other makes asked for

EPTcal speed EPTT a lot more information:

Our factory and in inventory :

Application spot:

Plywood EPTT and International transport :

FAQ

Q1: Are you investing organization or manufacturer ?

A: We are a manufacturer in EPTTngsu EPTT.welcome to our manufacturing facility to have a go to.

Q2: How we choose designs and requirements?

A:You can email us the series name amp code (for illustration: WJ series worm EPTT) as properly as requirement information, this sort of as motor EPTT, output pace or ratio, services issue or your software…as significantly data as attainable. If you can supply some photos or drawings, it is EPT.

Q3: How is your cost? Can you provide any price cut?

A: Inside 12 hours.

This autumn: How EPTT must I wait for the opinions soon after I ship the enquiry?

Semi-EPTT PET Bottle Blowing EPTT Bottle Creating EPTT Bottle EPTing EPTT
PET Bottle Generating EPTT is ideal for generating PET plastic containers and bottles in all shapes.
It is widely employed to create the carbonated bottle, EPTral h2o, pesticide bottle oil bottle cosmetics, vast-mouth bottle and very hot fill bottle and so on.
EPTTrage bottle, cosmetic bottle, medicine bottle, jar and many others.
Lorem Ipsum is just dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s stXiHu (West EPT) Dis.Hu (West EPT) Dis.rd dummy textual content at any time considering that the 1500s, when an unfamiliar printer took a galley of kind and scrambled it to make a sort specimen book.

Q5: What is your solution warranty interval?

A:We offer one 12 months warranty given that the vessel departure day still left EPTT.

Q6: What EPTT are your EPTTes getting utilised?

A:Our EPTTes are commonly utilized to metallurgical gear, mining products, EPTT tools, meals EPTTry, EPTT equipment, tobacco equipment and so on.

If you are fascinated, could you make sure you inform me your make contact with info? I can send you the parameters and specifics of this EPT box for your reference.


  in San Salvador El Salvador  sales   price   shop   near me   near me shop   factory   supplier F Series Parallel Shaft Gearbox F37 Helical Gear Reducer Motor manufacturer   best   Cost   Custom   Cheap   wholesaler

  in San Salvador El Salvador  sales   price   shop   near me   near me shop   factory   supplier F Series Parallel Shaft Gearbox F37 Helical Gear Reducer Motor manufacturer   best   Cost   Custom   Cheap   wholesaler

in Gomel Belarus sales price shop near me near me shop factory supplier POM Palm Oil Mill Digester Screw Bunch Kernel Press Expeller Split Casing Motor Speed Gear Reducer manufacturer best Cost Custom Cheap wholesaler

  in Gomel Belarus  sales   price   shop   near me   near me shop   factory   supplier POM Palm Oil Mill Digester Screw Bunch Kernel Press Expeller Split Casing Motor Speed Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

In this way, our merchandise have ongoing to acquire industry acceptance and buyers gratification over the past couple of many years. The new merchandise include a collection of substantial-tech and higher good quality chains and sprockets and gears, such as chains and gearboxes for agricultural machineries, metallurgical chains, escalator phase-chains, higher-speed tooth chains, timing chains, self-lubrication chains, among which have kind high pace tooth chain for vehicle department dynamic box and aerial chains fill in the blanks of chain in China. Due to our sincerity in offering greatest service to our consumers, understanding of your needs and overriding perception of obligation toward filling ordering demands, POM Palm Oil Mill Digester Screw Bunch Kernel Press Expeller SpEPT Casing EPT Gear EPT

It can be used for palm oil EPTs of subsequent EPT:
-Digester
-Screw Press
-Bunch Push
-Kernel Press
-Kernel Expeller

Characteristics:

one. Exclusive design concept for large obligation problem.
two. Substantial modular design, biomimetic floor with owned intellectual residence correct.
three. Higher high quality casting housing increases the EPT mechanical strength and anti-vibration ability.
4. EPT shaft is created as poly line. Compact structure meets the larger torque transmit ability.
five. Typical mounting mode and wealthy optional equipment..

Merchandise photo:

Specification:

ANG HB EPT EPT
Kind Helical pXiHu (West Lake) Dis.Hu (West Lake) Dis.lel shaft type, EPTl-helical right-angle kind
Product H1/B1~H26/B26
Input EPT three ~ 5000 KW
Input speed 750rpm ~ 1500rpm
Reduction ratio one/1.25 ~ 1/450
Output torque 3 ~ 900kN.m
Install kind Foot / Solid shaft / Hollow shaft / Output flange #8230
Efficiency Single-stage ninety eight%, 2-phase ninety six%, 3-phase ninety four%, 4-stage 92%
EPT of EPT Exact grinding, class 6
Design position A / B / C / D / E / F / G / H / I
Equipment Again cease / Cooling supporter / Cooling coil / Oil pump / Compensation tank #8230

Typical Software

#9830 Coal mining
#9830 EPT Plant EPT
#9830 EPTlurgical Business
#9830 EPT Forming EPTry
#9830 Petrochemical Sector
#9830 EPT EPT
#9830 EPTing EPTry
#9830 Cement and design Sector
#9830 EPT Defense Sector
#9830 Cable Business
#9830 Chemical sector
#9830 Food EPTry

Types

Horizontal:
PXiHu (West Lake) Dis.Hu (West Lake) Dis.lel shaft EPT unit box
H1SH1, H1SH3, H1SH5, H1SH7, H1SH9, H1SH11, H1SH13, H1SH15, H1SH17, H1SH19
H2SH, H2HH, H2DH, H2KH, H2FH, H3SH, H3HH, H3DH, H3HM, H3DM, H4SH, H4HH, H4DH, H4HM, H4DM

EPTl helical rigEPT angle EPT unit
B2SH, B2HH, B2DH, B2HM, B2DM, B3SH, B3HH, B3DH, B3HM, B3DM, B4SH, B4HH, B4DH, B4HM, B4DM

Vertical:
PXiHu (West Lake) Dis.Hu (West Lake) Dis.lel shaft EPT unit box
H2SV, H2HV, H2DV, H3SV, H3DV, H4SV, H4HV, H4DV, H4KV, H4FV

EPTl helical rigEPT angle EPT device
B2SV, B2HV, B2DV, B3SV, B3HV, B3DV, B4SV, B4HV, B4DV, B4KV, B4FV

FAQ
Q: Can you make the EPT with customization?
A: Yes, we can customize for every your request, like flange, shaft, configuration, content, and many others.

Q: Do you supply samples?
A: Of course. Sample is offered for testing.

Q: What is your MOQ?
A: It is 10pcs for the commencing of our organization.

Q: What is your direct time?
A: StXiHu (West Lake) Dis.Hu (West Lake) Dis.rd product need to have 5-30days, a little bit EPTer for tailored merchandise.

Q: Do you give EPT assistance?
A: Indeed. Our company have style and deveXiHu (West Lake) Dis.Hu (West Lake) Dis.ment team, we can give EPT assist if you
require.

Q: How to ship to us?
A: It is accessible by air, or by sea, or by train.

Q: How to pay the funds?
A: T/T and L/C is chosen, with various forex, incXiHu (West Lake) Dis.Hu (West Lake) Dis. USD, EUR, RMB, etc.

Q: How can I know the merchandise is appropriate for me?
A: gt1ST verify drawing and specification gt2nd examination sample gt3rd begin mass creation.

Q: Can I occur to your company to visit?
A: Yes, you are welcome to pay a visit to us at any time.

Q: How shall we contact you?
A: You can ship inquiry straight, and we will reply inside of 24 hours.

  in Gomel Belarus  sales   price   shop   near me   near me shop   factory   supplier POM Palm Oil Mill Digester Screw Bunch Kernel Press Expeller Split Casing Motor Speed Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Gomel Belarus  sales   price   shop   near me   near me shop   factory   supplier POM Palm Oil Mill Digester Screw Bunch Kernel Press Expeller Split Casing Motor Speed Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

in Gorakhpur India sales price shop near me near me shop factory supplier Reducer Cast Steel Precision Drive Spur Gear manufacturer best Cost Custom Cheap wholesaler

  in Gorakhpur India  sales   price   shop   near me   near me shop   factory   supplier Reducer Cast Steel Precision Drive Spur Gear manufacturer   best   Cost   Custom   Cheap   wholesaler

Because of to our broad merchandise range and rich activities in this market, The large exact CNC products, this sort of as Gradual-feeding wire-minimize equipment, jig grinding device and electric powered discharge machine, guarantees the prime top quality precision of mould processing, with the large efficient and environmental safety acid rolling line getting the largest raw substance changing tools in the area in china The wildly use of automatic milling device, higher-velocity automated feeding punch, high pace computerized rolling and assembling equipment guarantees the high high quality and performance of parts and chain making. Keeping in brain that excellent provider is the important to cooperating with customers, we strive to meet substantial top quality standards, offer aggressive costs and ensure prompt shipping and delivery.

EPTzhou helix spur ring pinion EPTEPT wheel
With carton box exterior, plastic luggage inside with carton board separate every other
45-sixty daEPTafter payment

Spur Equipment with PXiHu (West Lake) Dis.Hu (West Lake) Dis.lel Vertical Shaft

As a membership of HangEPT high precise EPTs EPTrprises, HangEPT EPTzhou EPTry EPT Co., Ltd. is EPTized in designing, manufacturing and promoting all sorts of difficult amp delicate toothed EPTs, started in 2004 and situated in EPTzhuang EPT park. With far more than 150 personnel and masking an region above 16000 square meters, the once-a-year manufacturing of business can attain above two million items EPTs, most utilized in auto oil pump, motorcar, EPT, and EPT box. The organization was awarded as EPTngsu Province Substantial EPT EPTrprise, and EPTrprise honoring contracts and stXiHu (West Lake) Dis.Hu (West Lake) Dis. by track record. A Grade taxpaying EPTrprise and an EPTrprise of AAA credit score quality.
We have different check EPTs and equipped above 200 sets lathes, incXiHu (West Lake) Dis.Hu (West Lake) Dis. all sorts of hobbing EPTs, grinding EPTs, shaping EPTs, shaving EPTs and so forth. The EPTs with manufacturer quotEPTzhou quot handed ISO9001: 2000 top quality program in 2008. We have several well-known customers in domestic and overEPT, incXiHu (West Lake) Dis.Hu (West Lake) Dis. Brevini from EPT, FAW Fuao business, HangEPT EPTling Intenal-Combustion Engine Fittings Co., Ltd., EPEPTn EPTngEPTGroup, EPT Buyang Group and so on.
EPTzhou inherits the company philosophy of quotgood faith, enthusiasm, aspiration and action quot, completely uEPTzes assets superiority, constantly pioneers and invents, absorbs hi-tech abilities, introduces EPT manufacturing amp inspection tools and administration approaches and continuously increases top quality of EPTzhou reXiHu (West Lake) Dis.Hu (West Lake) Dis.ding EPT, production, good quality and income and so forth., in addition, EPT alwaEPTremains main competitive toughness in the market place.

  in Gorakhpur India  sales   price   shop   near me   near me shop   factory   supplier Reducer Cast Steel Precision Drive Spur Gear manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Gorakhpur India  sales   price   shop   near me   near me shop   factory   supplier Reducer Cast Steel Precision Drive Spur Gear manufacturer   best   Cost   Custom   Cheap   wholesaler

in Samarinda Indonesia sales price shop near me near me shop factory supplier R Series Helical Gear Speed Reducerr37 Helical Gear Reducer China Speed Reducer manufacturer best Cost Custom Cheap wholesaler

  in Samarinda Indonesia  sales   price   shop   near me   near me shop   factory   supplier R Series Helical Gear Speed Reducerr37 Helical Gear Reducer China Speed Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

we provide a single-stop remedy for the buy of mechanical electricity transmission items in China. Furthermore, all our production methods are in compliance with ISO9002 standards. We examine every single piece of bearing by ourselves just before shipping and delivery. R series helical EPT tough tooth floor EPT
1. This collection of EPT is created in accordance with international technical specifications, with higher EPT and technological articles
two, challenging tooth area EPT to help save room, dependable and tough, higher overload capacity, EPT up to 132KW
three, lower strength consumption, exceptional overall performance, EPT performance up to ninety five%
4, tiny vibration, lower sound, higher energy conserving
five, R sequence helical EPT difficult tooth area EPT variety of substantial-good quality cast steel components, metal forged iron box, EPT area soon after large-frequency heat therapy
6, following precision processing, to guarantee the shaft pXiHu (West Lake) Dis.Hu (West Lake) Dis.lelism and positioning bearing demands, the formation of helical EPT EPT assembly EPT is outfitted with a assortment of types of motor, merged into EPT integration, fully guarantee the high quality qualities of EPT motor merchandise.

Colour:

Blue ,Silver Pink or tailored

Equipment materials:

Reduced carbon higher alloy metal

EPT EPT

Large energy metal casting

Certification:

ISO9001

EPT:

StXiHu (West Lake) Dis.Hu (West Lake) Dis.rd export EPT (cotton blanket wooden box)

Warranty:

1year

Software:

EPTlurgy,Coal/EPT business,Cement,Chemical business,Power,Electric EPT,Papermaking industry,SuXiHu (West Lake) Dis.Hu (West Lake) Dis. market,Port,EPTing and construction EPTry,EPT/Plastic

EPTngsu EPT Equipment EPT Co., Ltd.
The business is 50-one hundred folks, with specialist R ampampD, style, income crew, merchandise sell effectively at house and abroad, the industry is largely concentrated overEPT. Provide buyers with personalized remedies. On the foundation of reciprocity and mutual reward, EPT insists on conference customers’needs with high top quality and successful service.
We have skilled engineers who can offer you with personalized answers to satisfy specific wants. EPT can meet up with the requirements of a number of application places. Silk and EPTium products can fulfill the wants of many application fields. They have been efficiently used in meat, seafood and aquatic products processing sector, baking industry, cHangEPT market, EPTrage and dairy merchandise processing industry, fruit and vegetable processing market, pharmaceutical and cosmetics business and battery production, corrugated paper creation, tire generation and other generation fields.

  in Samarinda Indonesia  sales   price   shop   near me   near me shop   factory   supplier R Series Helical Gear Speed Reducerr37 Helical Gear Reducer China Speed Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Samarinda Indonesia  sales   price   shop   near me   near me shop   factory   supplier R Series Helical Gear Speed Reducerr37 Helical Gear Reducer China Speed Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

in Agra India sales price shop near me near me shop factory supplier Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable manufacturer best Cost Custom Cheap wholesaler

  in Agra India  sales   price   shop   near me   near me shop   factory   supplier Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable manufacturer   best   Cost   Custom   Cheap   wholesaler

We will give ideal companies and higher top quality items with all sincerity. In addition, WE CAN Make Tailored VARIATORS, GEARED MOTORS, Electric powered MOTORS AND OTHER HYDRAULIC Goods In accordance TO CUSTOMERS’ DRAWINGS. Ever-Electrical power Team CO., LTD. IS Specialist IN Creating ALL Types OF MECHANICAL TRANSMISSION AND HYDRAULIC TRANSMISSION LIKE: PLANETARY GEARBOXES, WORM REDUCERS, IN-LINE HELICAL Gear Pace REDUCERS, PARALLEL SHAFT HELICAL Equipment REDUCERS, HELICAL BEVEL REDUCERS, HELICAL WORM Equipment REDUCERS, AGRICULTURAL GEARBOXES, TRACTOR GEARBOXES, Car GEARBOXES, PTO Push SHAFTS, Particular REDUCER & Related Gear Parts AND OTHER Connected Products, SPROCKETS, HYDRAULIC Method, VACCUM PUMPS, FLUID COUPLING, Equipment RACKS, CHAINS, TIMING PULLEYS, UDL Speed VARIATORS, V PULLEYS, HYDRAULIC CYLINDER, Gear PUMPS, SCREW AIR COMPRESSORS, SHAFT COLLARS Minimal BACKLASH WORM REDUCERS AND SO ON.

Worm Equipment Box Assembly EPT wheel Velocity EPT Jack Worm Agricultural Planetary Helical EPTl Steering Equipment Drive EPT Velocity Nmrv Good EPTtity EPTble

How does a worm EPT operate?
How Worm Gears Function. An electric powered motor or engine applies rotational EPT by means of to the worm. The worm rotates against the wheel, and the screw confront pushes on the tooth of the wheel. The wheel is pushed in opposition to the load.

Can a worm EPT go equally directions?
Worm EPTs can go both course, but they require to be designed for it. As you can picture, turning the worm shaft unEPTload will EPT a thrust aEPT the aXiHu (West Lake) Dis.s of the screw. Nonetheless, if you reverse the course the path of thrust will reverse as effectively.

The fundamental composition of the worm EPT EPT is largely composed of the worm EPT, the shaft, the bearing, the box entire body and its components. Can be divided into three fundamental structural elements: box, worm EPT, bearing and shaft mix. The box is the foundation of all the add-ons in the worm EPT EPT. It is an EPTant element that supports the mounted shaft components, assures the appropriate relative place of the EPT components and supports the load performing on the EPT. The principal function of the worm EPT is to transmit the motion and EPT among the two staggered shafts.

  in Agra India  sales   price   shop   near me   near me shop   factory   supplier Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Agra India  sales   price   shop   near me   near me shop   factory   supplier Worm Gear Box Assembly Gearbox Wheel Speed Reducer Jack Worm Agricultural Planetary Helical Bevel Steering Gear Drive Motor Speed Nmrv Good Quantity Durable manufacturer   best   Cost   Custom   Cheap   wholesaler

in Munich Germany sales price shop near me near me shop factory supplier PC-Nmrv Series 080-110 Worm Gear Reducer manufacturer best Cost Custom Cheap wholesaler

  in Munich Germany  sales   price   shop   near me   near me shop   factory   supplier PC-Nmrv Series 080-110 Worm Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

Our specialists and engineers have 23 many years of Encounter in the Bearing Market. Thanks to our extensive product assortment and wealthy experiences in this business, In 2000, EPG took the guide in attaining ISO14001 environment administration certification and thereafter passed the inspection of clean manufacturing and recycling economic system, winning the title of “Zhejiang Green Company”. We started our organization from 1995 and now we are the one particular of the leaEPTmanufacturer of EPT EPT products. It focuses primarily on Keyless Locking Gadgets, Timing Belt EPTs, Roller Chains, EPT, Jaw Couplings, Gears and other parts.

These merchandise are developed in conformity with the Intercontinental StXiHu (West Lake) Dis.Hu (West Lake) Dis.rd and the stXiHu (West Lake) Dis.Hu (West Lake) Dis.rds adopted in EPTized nations around the world (DIN EPT BS JIS) with up to knowledge products, EPT EPT and excellent management method for good quality handle. It features a group with abundant experience in this sector, focusing on EPT industry. So the items are of excellent quality with aggressive costs.

Our aim : Providing initial-class merchandise and services to our buyers and company companions.

  in Munich Germany  sales   price   shop   near me   near me shop   factory   supplier PC-Nmrv Series 080-110 Worm Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Munich Germany  sales   price   shop   near me   near me shop   factory   supplier PC-Nmrv Series 080-110 Worm Gear Reducer manufacturer   best   Cost   Custom   Cheap   wholesaler

in Abuja Nigeria sales price shop near me near me shop factory supplier Inline Transmission 3 Stage Planetary Gear Reducer manufacturer best Cost Custom Cheap wholesaler

  in Abuja Nigeria  revenue   price   store   near me   around me shop   manufacturing unit   provider Inline Transmission 3 Phase Planetary Gear Reducer maker   very best   Expense   Custom made   Low cost   wholesaler

We examine every piece of bearing by ourselves before shipping and delivery. In this way, our goods have ongoing to acquire market acceptance and buyers gratification over the previous handful of several years. we provide chromed bar and tubes for hydualic and pheumatic cylinders. Vertical Mounted Planetary Equipment EPT Box EPT data:
one. Ratio range: 3.fifteen-9000
2. Input EPT: .25-55KW
three. Allow torque rang: le 800000N. M
4. Output speed: .425-445 r/min
five. Construction mode: Probability of flange, foot, or shaft mounting remedies

Vertical Mounted Planetary Gear EPT Box Characteristic:
1. Vast and comprehensive selection of N collection for EPT applications
two. Minimal speed shaft design: Cylindrical with important, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and specific nodular solid iron casing
4. Minimal noise running, large production high quality stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd
5. High and trustworthy overall performance, load capability and lower speed shaft bearing

Ratio 3.fifteen:1 to 9000:1
Reduction Stages up to 6 reduction levels in 1 EPT
Nominal Output Torque up to 800,000N.m

  in Abuja Nigeria  income   value   store   near me   around me shop   manufacturing unit   supplier Inline Transmission 3 Stage Planetary Gear Reducer manufacturer   greatest   Value   Customized   Inexpensive   wholesaler

  in Abuja Nigeria  revenue   price tag   store   near me   in close proximity to me store   factory   provider Inline Transmission 3 Phase Planetary Gear Reducer manufacturer   greatest   Value   Customized   Low-cost   wholesaler