Tag Archives: k series gearbox

China OEM K Series Helical Bevel Gearbox Flange Mounted wholesaler

Product Description

K  Series High Efficiency Gear Speed Reducer with Motor or without Motor
 

Housing material                                    
 
HT200 high-strength cast iron from K37,47,57,67,77,87                                                       
Housing material                                    
 
HT250 High strength cast iron from K97,127,157,167,187
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 VG220
Motor IP55, F class
Motor shaft 40Cr, Tempering, cementing,quenching etc.

 

 
1.Our Services

1.1.We provide 12 months Warranty.
1.2. We have thousands of gearbox reducers. From Input Power 0.06KW to 200KW, Ratio 1.3-289.74, Output speed 0-1095rpm and Output torque 1.4-62800Nm. They can meet your all different requirements for different industries.
1.3. We provide E-catalog or Paper catalog,so you can select the model easily according to your requirements 
1.4.You are welcome to visit our factory to check our products,we can help you to book the hotel or ticket
 
2.Company Information

2.1.Our Company:
The Predecessor for ZheJiang CHINAMFG Drive CO.,Ltd (originally called HangZhou CHINAMFG Transmission Machinery CO.,Ltd) State-owned military mould enterpriese which established in 1965.
 
CHINAMFG is located in HangZhou,China and the factory covers an area of about 25000 square meters.
 
Production Capacity:more than half a million sets of speed reducer per year.

2.2.Our People: 
The company has a strong technical force. It has more than 400 employees at present, including more than 40 engineering technicians and 10 experts and senior engineers enjoying special allowances of the State Council. 
 
2.3. Our Certificates:
Passed ” ISO 9001 International Quality System Certificate”, “International Quality Credit AAA++ Ceritifacte” ,  ” Swiss SGS Certificate”, Iconic Brand in Chinese Electromechanical Industry”, “Famous Brand of ZheJiang Province”, “Non-public Scientific and Technological Enterprise in ZheJiang Province”, “National High and New-tech Enterprise”, “TOP 50 in Chinese Gear Industry” “2011 HangZhou Engineering and Technological R&D Center” and so on.

3. FAQ
 
Q:Are you a trading  company or manufacturer?
A: HangZhou CHINAMFG Drive Co., Ltd previously was a State-owned CHINAMFG Mold Factory, a state-owned military industrial enterprise established in 1965. It completed reform in 2002. Since reform, the company has developed rapidly. It took the lead in passing ISO9001 International Quality System Certificate and International Quality Credit AAA++ Certificate in 2004, and Swiss SGS Certificate in 2009. It has won such titles as “Iconic Brand in Chinese Electromechanical Industry”, “Famous Brand of ZheJiang Province”, “Non-public Scientific and Technological Enterprise in ZheJiang Province”, “National High and New-tech Enterprise”, and “Tope 50 in Chinese Gear Industry” successively

Q:Where do you base?
A: We are in HangZhou,ZheJiang ,China. We have 2 factories,New factory is in Xihu (West Lake) Dis. district,HangZhou,China and the old 1 is in CHangZhou District,HangZhou,China.

Q:What kinds of gearbox can you produce for us?
A:Main products of our company: JWB-X series mechanical continuously variable transmission, RV series worm gear reducer, B/JXJ cycloidal pin gear speed reducer, NCJ series gear reducer,  and R, F K, S series helical-tooth reducer , more than 1 hundred models and thousands of specifications.

Q:What are the application of the gearbox?
A:Products are widely used in ceramic, glass, food, metallurgy, beer & drink, printing and dyeing, textile, petrochemical engineering, warehouse logistics, wood-working machine, environmental protection equipment, printing and packaging, pharmacy, and leather. Products are sold in some countries and regions, such as Europe, America, and Southeast Asia, and it possesses dozens of distributors and after-sale service agents.

Q:What is the material you use?

A1: Aluminum Housing body ( For the RV series worm gearbox Size 30~90)
   
A2: Cast iron(For the RV series worm gearbox, Size 110-150, For the NCJ  & F/R/S/K series helical gear reducer)

Our factory (ZheJiang CHINAMFG Drive Co., Ltd.) is a  big and famous 6S standard Gearbox factory with around 380 employees since 1965 . We export to South Asia, Southeast Asia, Africa, Middle East, South America, North America, Europe…etc. We offer Gearbox to SIEMENS,ABB,SACMI,BUHLER,MODENA,KEDA…etc. Sincerely hope to establish a win-win business relationship with you.

Expecting to talk about more details with you ! 

Best Wishes

Factory: ZheJiang CHINAMFG Drive Co., Ltd. 
(Previous name: HangZhou XingGuang Transmission Machinery)
Add: No.10,Xihu (West Lake) Dis.n Industrial Park, Baini Town, Xihu (West Lake) Dis. District, HangZhou City, ZheJiang Province, China. 
 
 
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Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing
Layout: Bevel Helical Gear
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

gearbox

How to Calculate Gear Ratio in a Gearbox

Gear ratio is a fundamental parameter in a gearbox that represents the ratio of the number of teeth between two gears. It determines how much the output gear rotates in relation to the input gear. The formula to calculate gear ratio is:

Gear Ratio (GR) = Number of Teeth on Output Gear / Number of Teeth on Input Gear

Here’s a step-by-step guide on how to calculate gear ratio:

  1. Identify the input and output gears in the gearbox.
  2. Count the number of teeth on the output gear (the gear connected to the output shaft).
  3. Count the number of teeth on the input gear (the gear connected to the input shaft).
  4. Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
  5. Calculate the gear ratio by performing the division.

The gear ratio provides insight into how much the input gear needs to rotate to achieve a certain rotation of the output gear. It influences torque, speed, and direction of rotation in the gearbox.

China OEM K Series Helical Bevel Gearbox Flange Mounted   wholesaler China OEM K Series Helical Bevel Gearbox Flange Mounted   wholesaler
editor by CX 2024-05-13

China Best Sales Hardened Tooth Surface K Series Bevel Helical Gearbox with Motor Shaft Mounted Gearbox Geared Motor Manufacturer gearbox definition

Product Description

Hardened Tooth Surface K series Bevel Helical Gearbox with Motor Shaft Mounted Gearbox geared motor manufacturer

Product Details

1. K series helical bevel gearbox:

GK serial is helical bevel type gearboxes, output shafts of GK series geared motors are vertical to input shafts. Each unit consists of 2 stages helical gears and 1 stage bevel gears.

2.Technical data:

Gear unit reduction ratio

3.98 to 197.37

Multi-stage gear unit reduction ratio

94 to 32625

Output torque

125 to 5) (also in reduced backlash version)

Motor power range

0.12 to 200 (0.16 to 268)

3.Different types:

Type

GK39

GK49

GK59

GK69

GK79

GK89

GK99

GK109

GK129

Structure form

K KA KF KAF KAZ KAT KAB

Input power(KW)

0.18-3

0.18-3

0.18-5.5

0.18-5.5

0.37-11

0.75-22

1.1-30

3-45

7.5-90

Transmission ratio

5.36-106.38

5.81-131.87

5.81-131.87

7.14-144.79

7.24-192.18

7.19-197.37

8.95-176.05

8.74-1410.46

8.68-146.07

Allowable torque(N.m)

200

400

600

820

1550

2700

4300

8000

13000

4. First rate equipment

1>Our gear grinding workshop equipped with German Niles gear grinding machines.
2>Performance testing bench for large whole-set gear cases.
3>German P26 gear tester
4>Coordinate measuring machine

Our helical gearmotors of the series R are ideally suited for a multitude of applications. Thanks to our consistent modular system, the helical gearmotors of the series R offer you many combination options. The helical gearmotors of the series R come in either a foot or flange-mounted design making a range of assembly options possible. Especially when you are looking for a space-saving drive solution.

 

Characteristics Features

Low backlash gearmotor designed with flexible and modular concept.

Small size and large center distance transmission structure, with 10% higher torque transmission capacity and load shock resistance.

The FEA design of the casting housing, which improves the running stability by 30% and effectively reduces the noise of the whole machine.

The large-modulus gear design and enhanced bearing arrangement ensure higher reliability and longer service life.

Up to 95% modular design, faster production and logistics cycles.

Higher power density can save you mounting space and the overall structure is more compact.

High reliability and long design life can effectively reduce your use and maintenance costs.

 

Model TYPE

 

R / RF / RX

TYPE SIZE

 

19 /29 / 39 ….. 169 /179

TORQUE RANGE

[Nm]

 

RATIO RANGE

 

1.65 ~ 27001

POWER RANGE

KW

0.12 ~ 160

 

Mounting Arrangements Description

M1-horizontally mounted motor,unit base is at bottom.

M2-motor is vertically mounted downwards.

M3-horizontally mounted motor,unit base is top.

M4-motor is vertically mounted upwards.

M5-horizontally mounted motor,if placed on M1 position,left side 

of unit turns to bottom(view point:towards from motor side).

M6-horizontally mounted motor,if placed on M1 position,left side 

of unit turns to top(view point:towards from motor side)

 

 

Typical application

conveyor belt, Transportation of packaged products, vertical conveyor

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Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 9/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

gearbox

Importance of Lubrication in Gearbox Performance

Lubrication plays a critical role in ensuring the optimal performance, longevity, and reliability of gearboxes. Proper lubrication provides several key benefits:

  • Reduces Friction and Wear: Lubrication forms a protective layer between gear teeth, bearings, and other moving components, reducing friction and minimizing wear and tear.
  • Heat Dissipation: Lubricants help dissipate the heat generated during gear operation, preventing overheating and potential damage to components.
  • Noise Reduction: Adequate lubrication can dampen noise and vibration produced by gear meshing, leading to quieter and smoother operation.
  • Sealing and Contaminant Prevention: Lubricants create a barrier that seals out contaminants like dust, dirt, and moisture, preventing their entry and reducing the risk of corrosion and damage.
  • Enhanced Efficiency: Proper lubrication reduces energy losses due to friction, improving the overall efficiency of the gearbox.
  • Extended Lifespan: Lubrication helps prevent premature component wear and failure, extending the lifespan of the gearbox and minimizing the need for costly repairs or replacements.
  • Optimal Performance: Gearboxes operate within specified tolerances when properly lubricated, ensuring they deliver the intended performance and functionality.

It’s essential to use the recommended lubricant type, viscosity, and change intervals specified by the gearbox manufacturer to ensure the best possible performance and longevity. Regular monitoring and maintenance of lubrication levels are crucial to preserving the health of the gearbox and its components.

China Best Sales Hardened Tooth Surface K Series Bevel Helical Gearbox with Motor Shaft Mounted Gearbox Geared Motor Manufacturer   gearbox definition		China Best Sales Hardened Tooth Surface K Series Bevel Helical Gearbox with Motor Shaft Mounted Gearbox Geared Motor Manufacturer   gearbox definition
editor by CX 2024-03-28

China Hot selling Widely Used K Series Helical Reducer Gearbox for Escalators gearbox engine

Product Description

Widely Used K Series Helical Reducer Gearbox for Escalators

Features:
-High efficiency: 92%-97%;
-Compact structure: Small offset output, two stage and three stage are in the same box.
-High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
-High interchangeability: highly modular, serial design, strong versatility and interchangeability.

Technical parameters

Ratio 3.41-289.74
Input power 0.12-160KW
Output torque 61-23200N.m
Output speed 5-415rpm
Mounting type Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, CZPT flange mounted, Flange-mounted with extended bearing hub
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor TF(Thermistor protection PTC thermisto)
TH(Thermistor protection Bimetal swotch)
Mounting Position M1, M2, M3, M4, M5, M6
Type K37-K187
Output shaft dis. 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm
Housing material HT200 high-strength cast iron from R37,47,57,67,77,87
Housing material HT250 High strength cast iron from R97 107,137,147,157,167,187
Heat treatment technology carbonitriding and hardening treatment
Efficiency 92%-97%
Lubricant VG220
Protection Class IP55, F class

QUALITY CONTROL
Quality:Insist on Improvement,Strive for CZPT With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend; found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product is a product inspection to determine the qualified

Certifications

packaging

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 provide

the 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, 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,

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 motors

with high quality.  

 

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Three-Step
Customization:
Available

|

Customized Request

gearbox

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.

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 Hot selling Widely Used K Series Helical Reducer Gearbox for Escalators   gearbox engineChina Hot selling Widely Used K Series Helical Reducer Gearbox for Escalators   gearbox engine
editor by CX 2023-04-23