Tag Archives: stepper reducer

China factory RV40 RV30 Worm Gearbox Gear Speed Reducer for NEMA 24 Stepper Motor gearbox definition

Product Description

               

General Specification:
Step Angle  Accuracy: ±5%
Resistance Accuracy: ±10%
Inductance Accuracy: ±20%
Temperature Rise: 80°C Max
Ambient Temperature: -20°C~+50°C
Insulation Resistance: 100MΩ Min., 500VDC
Dielectric Strength:  500VAC for 1 minute
Shaft Radial Play:  0.02Max (450g-load)
Shaft Axial Play: 0.08Max (450g-load)

Specification

Model No.   Motor Length Current
/Phase
Resistance
/Phase
Inductance
/Phase
Holding Torque # of Leads Detent Torque Rotor Inertia Mass
  (L)mm A Ω mH N.m No. g.cm g.cm Kg
JK60HS56-2008 unipolar 56 2 1.8 3. 1.17 8 700 300 0.77
parallel 2.8 0.9 3.6 1.65
Series 1.4 3.6 14.4 1.65
JK60HS67-2008 unipolar 67 2 2.4 4.6 1.5 8 900 570 1.2
parallel 2.8 1.2 4.6 2.1
Series 1.4 4.8 18.4 2.1
JK60HS88-2008 unipolar 88 2 3 6.8 2.2 8 1000 840 1.4
parallel 2.8 1.5 6.8 3.1
Series 1.4 6 27.2 3.1
JK60HS100-2008 unipolar 100 2 3.2 6.4 2.8 8 1100 980 1.7
parallel 2.8 1.6 6.4 4.0
Series 1.4 6.4 25.6 4.0
JK60HS111-2008 unipolar 111 2.0 4.4 8.3 3.2 8 1200 1120 1.9
parallel 2.8 2.2 8.3 4.5
Series 1.4 8.8 33.2 4.5

 

Drawing
(unit=mm)

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: 3D Printer
Speed: Low Speed
Number of Stator: Two-Phase
Excitation Mode: HB-Hybrid
Function: Driving
Number of Poles: 2
Samples:
US$ 59/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

Materials Used for Worm Gears

Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:

  • Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
  • Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
  • Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
  • Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
  • Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
  • Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.

The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China factory RV40 RV30 Worm Gearbox Gear Speed Reducer for NEMA 24 Stepper Motor   gearbox definition		China factory RV40 RV30 Worm Gearbox Gear Speed Reducer for NEMA 24 Stepper Motor   gearbox definition
editor by CX 2024-02-23

China Professional Factory supply 25mm No Backlash Harmonic Drive Reducer Gearbox Stepper motor harmonic gear speed reducer near me supplier

Warranty: 1year
Applicable Industries: Manufacturing Plant, Machinery manufacturing industry
Customized support: OEM, ODM
Gearing Arrangement: customized
Output Torque: None
Input Speed: 5600r/min
Output Speed: None
Product name: 25mm No Backlash Harmonic Drive Reducer Gearbox
Reduction ratio: 80
Allowable CZPT torque at start stop: 178nm
Rated speed when input 2000r/min: 8.4kgfm 82nm
Maximum allowable load torque on average: 113 nm
Maximum allowable moment torque: 332nm
Allowable average input speed: 3500-5600r/min
Backlash: 11arcsec
Angular transmission accuracy: 1 arcmin
Weight: 1.5KG
Certification: ce
Packaging Details: Carton with spaom inside the box to protect harmoni gear reducer.PE foam and carton for sample harmonic drive reducer.. PE foam, carton, packing strap and plastic wrap for bulk order of harmonic reducer.

Factory supply 25mm No Backlash Harmonic Drive Reducer Gearbox
Adopt international latest technology, under innovative tech, strict QC, our independent R& D team synchronously adopt international craft and cast great quality harmonic gear reducer. With s-shaped teeth, our harmonic reducer with high precision, low noise and long life.

Product Features
With 10 years’ Factory Manufacture Various Gear Box Part research of harmonic drive reducer, we master the core technology, adopt the latest international S-shape gear transmission mechanism for harmonic reducer. While maintaining the smoothness of the traditional involute tooth type, it can improve the performance of precision, strength, rigidity, service life and so on.

Four advantages of our Harmonic Reducer
1.S-shaped tooth
2.Long life
3.High precision
4.Low noise

Product Parameter
There are 14, 17, 20, 25 and 32 models harmonic reducer. Detailed parameter as below

ModelReduction ratioRated speed when input 2000r/minAllowable CZPT torque at start stopMaximum allowable load torque on averageMaximum allowable moment torque NmkgfmNmkgfmNmkgfmNmkgfm255571.212713727.32422580828.41781811312332341571.92571140143693812571.921722140143954016571.9229231401440842 ModelReduction ratioAllowable maximum input speed r/minAllowable average input speed r/minRotational inertiaBack cleranceAngular transm
ission accuracy
Lubricating oilGrease lubricationLubricating oilGrease lubricationI*10-4kgm²J*10-5kgfms² Hot Sale Gearbox fit for 2ZR CZPT 1.8L Automatic transmission Gearbox arcsecarcmin25557105600560 0571 00.4130.42117180111057157106Application
Harmonic drive reducers are mainly applied in aerospace filed, industry robot, CNC machine, radar, data communication equipment, robotic arm, precision measuring instrument and etc.

Packaging & ShippingWe adopt thick foam inside the carton to protect the harmonic drive reducer. DHL, FEDEX, TNT, EMS are ok for sample order. We also could provide sea transport for large quantity orders of harmonic gear reducers.

Company Information
HangZhou CZPT Mechanical& Auto Parts Suspension Bumper Stop Bushing 4055A007 For CZPT L200 Electrical Equipment Co., Ltd is a professional manufacturer of harmonic drive reducer. Our factory dedicates to the research of harmonic reducer since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. The precise harmonic reducer developed and produced by our company adopts the latest international S-shaped gear transmission mechanism, which is the only domestic enterprise capable of quantifying the production of this kind of toothed harmonic reducer, with an annual output of 500,000 sets of various products for the market.

Our Services
1. We accept small order of harmonic reducer;
2. Sample order of harmonic gear speed reducer delivery time is in 10 days, mass quantity order lead time is 7-15 days;
3. We can accept payment via paypal, T/T and L/C; Hollow Shaft Harmonic Drive Gearbox Speed Reducer for Welding Robot
4.Quality assurance of our harmonic reducer is 1 year, and we can provide you professional technical support;
5. We provide free software wand training how to use the products. Engineers are available for technical support.

What Is a Gearbox?

There are several factors to consider when choosing a gearbox. Backlash, for example, is a consideration, as it is the angle at which the output shaft can rotate without the input shaft moving. While this isn’t necessary in applications without load reversals, it is important for precision applications involving load reversals. Examples of these applications include automation and robotics. If backlash is a concern, you may want to look at other factors, such as the number of teeth in each gear.
gearbox

Function of a gearbox

A gearbox is a mechanical unit that consists of a chain or set of gears. The gears are mounted on a shaft and are supported by rolling element bearings. These devices alter the speed or torque of the machine they are used in. Gearboxes can be used for a wide variety of applications. Here are some examples of how gearboxes function. Read on to discover more about the gears that make up a gearbox.
Regardless of the type of transmission, most gearboxes are equipped with a secondary gear and a primary one. While the gear ratios are the same for both the primary and secondary transmission, the gearboxes may differ in size and efficiency. High-performance racing cars typically employ a gearbox with two green and one blue gear. Gearboxes are often mounted in the front or rear of the engine.
The primary function of a gearbox is to transfer torque from one shaft to another. The ratio of the driving gear’s teeth to the receiving member determines how much torque is transmitted. A large gear ratio will cause the main shaft to revolve at a slower speed and have a high torque compared to its counter shaft. Conversely, a low gear ratio will allow the vehicle to turn at a lower speed and produce a lower torque.
A conventional gearbox has input and output gears. The countershaft is connected to a universal shaft. The input and output gears are arranged to match the speed and torque of each other. The gear ratio determines how fast a car can go and how much torque it can generate. Most conventional transmissions use four gear ratios, with one reverse gear. Some have two shafts and three inputs. However, if the gear ratios are high, the engine will experience a loss of torque.
In the study of gearbox performance, a large amount of data has been collected. A highly ambitious segmentation process has yielded nearly 20,000 feature vectors. These results are the most detailed and comprehensive of all the available data. This research has a dual curse – the first is the large volume of data collected for the purpose of characterization, while the second is the high dimensionality. The latter is a complication that arises when the experimental gearbox is not designed to perform well.
gearbox

Bzvacklash

The main function of a gearhead is to multiply a moment of force and create a mechanical advantage. However, backlash can cause a variety of issues for the system, including impaired positioning accuracy and lowered overall performance. A zero backlash gearbox can eliminate motion losses caused by backlash and improve overall system performance. Here are some common problems associated with backlash in gearheads and how to fix them. After you understand how to fix gearbox backlash, you’ll be able to design a machine that meets your requirements.
To reduce gearbox backlash, many designers try to decrease the center distance of the gears. This eliminates space for lubrication and promotes excessive tooth mesh, which leads to premature mesh failure. To minimize gearbox backlash, a gear manufacturer may separate the two parts of the gear and adjust the mesh center distance between them. To do this, rotate one gear with respect to the fixed gear, while adjusting the other gear’s effective tooth thickness.
Several manufacturing processes may introduce errors, and reducing tooth thickness will minimize this error. Gears with bevel teeth are a prime example of this. This type of gear features a small number of teeth in comparison to its mating gear. In addition to reducing tooth thickness, bevel gears also reduce backlash. While bevel gears have fewer teeth than their mating gear, all of their backlash allowance is applied to the larger gear.
A gear’s backlash can affect the efficiency of a gearbox. In an ideal gear, the backlash is zero. But if there is too much, backlash can cause damage to the gears and cause it to malfunction. Therefore, the goal of gearbox backlash is to minimize this problem. However, this may require the use of a micrometer. To determine how much gearbox backlash you need, you can use a dial gauge or feeler gauge.
If you’ve been looking for a way to reduce backlash, a gearbox’s backlash may be the answer. However, backlash is not a revolt against the manufacturer. It is an error in motion that occurs naturally in gear systems that change direction. If it is left unaccounted for, it can lead to major gear degradation and even compromise the entire system. In this article, we’ll explain how backlash affects gears and how it affects the performance of a gearbox.

Design

The design of gearboxes consists of a variety of factors, including the type of material used, power requirements, speed and reduction ratio, and the application for which the unit is intended. The process of designing a gearbox usually begins with a description of the machine or gearbox and its intended use. Other key parameters to consider during gearbox design include the size and weight of the gear, its overall gear ratio and number of reductions, as well as the lubrication methods used.
During the design process, the customer and supplier will participate in various design reviews. These include concept or initial design review, manufacturing design validation, critical design review, and final design review. The customer may also initiate the process by initiating a DFMEA. After receiving the initial design approval, the design will go through several iterations before the finalized design is frozen. In some cases, the customer will require a DFMEA of the gearbox.
The speed increaser gearboxes also require special design considerations. These gearboxes typically operate at high speeds, causing problems with gear dynamics. Furthermore, the high speeds of the unit increase frictional and drag forces. A proper design of this component should minimize the effect of these forces. To solve these problems, a gearbox should incorporate a brake system. In some cases, an external force may also increase frictional forces.
Various types of gear arrangements are used in gearboxes. The design of the teeth of the gears plays a significant role in defining the type of gear arrangement in the gearbox. Spur gear is an example of a gear arrangement, which has teeth that run parallel to the axis of rotation. These gears offer high gear ratios and are often used in multiple stages. So, it is possible to create a gearbox that meets the needs of your application.
The design of gearboxes is the most complex process in the engineering process. These complex devices are made of multiple types of gears and are mounted on shafts. They are supported by rolling element bearings and are used for a variety of applications. In general, a gearbox is used to reduce speed and torque and change direction. Gearboxes are commonly used in motor vehicles, but can also be found in pedal bicycles and fixed machines.
gearbox

Manufacturers

There are several major segments in the gearbox market, including industrial, mining, and automotive. Gearbox manufacturers are required to understand the application and user industries to design a gearbox that meets their specific requirements. Basic knowledge of metallurgy is necessary. Multinational companies also provide gearbox solutions for the power generation industry, shipping industry, and automotive industries. To make their products more competitive, they need to focus on product innovation, geographical expansion, and customer retention.
The CZPT Group started as a small company in 1976. Since then, it has become a global reference in mechanical transmissions. Its production range includes gears, reduction gearboxes, and geared motors. The company was the first in Italy to achieve ISO certification, and it continues to grow into one of the world’s leading manufacturers of production gearboxes. As the industry evolves, CZPT focuses on research and development to create better products.
The agriculture industry uses gearboxes to implement a variety of processes. They are used in tractors, pumps, and agricultural machinery. The automotive industry uses gears in automobiles, but they are also found in mining and tea processing machinery. Industrial gearboxes also play an important role in feed and speed drives. The gearbox industry has a diverse portfolio of manufacturers and suppliers. Here are some examples of gearboxes:
Gearboxes are complex pieces of equipment. They must be used properly to optimize efficiency and extend their lifespan. Manufacturers employ advanced technology and strict quality control processes to ensure their products meet the highest standards. In addition to manufacturing precision and reliability, gearbox manufacturers ensure that their products are safe for use in the production of industrial machinery. They are also used in office machines and medical equipment. However, the automotive gearbox market is becoming increasingly competitive.

China Professional Factory supply 25mm No Backlash Harmonic Drive Reducer Gearbox Stepper motor harmonic gear speed reducer  near me supplier China Professional Factory supply 25mm No Backlash Harmonic Drive Reducer Gearbox Stepper motor harmonic gear speed reducer  near me supplier