Product Description
Harmonic gearbox robot arm harmonic reducer
Product Description
The outer diameter of this series of joint modules ranges from 40mm to 170mm, with exquisite design and compact structure. The small size includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components , saving customers the labor and time cost of selecting, designing, purchasing, and assembling hundreds of mechanical and electronic components.
Product Features
The smallest size is only 40mm, and the weight is 0.13kg
The compact size of this product includes FOC control board, high-precision multi-turn absolute encoder, frameless torque motor, precision harmonic reducer and other main components
This series of joint modules have rated torque of 2.3Nm~586Nm and motor power of 36W~1500W for customers to choose
17-bit single-turn absolute encoder + 16-bit multi-turn absolute encoder at the motor end, which can memorize single-turn and multi-turn power-off positions
Low-power encoder with only 46 μA standby current
Product Parameters
| Model | T-30-40-PRO-XX | T-30-40-PRO-XXB |
| Ratio | 50/100 | 50/100 |
| Start-stop CHINAMFG torque (N.m) | 3.3/4.8 | 3.3/4.8 |
| Instantaneous maximum torque (N.m) | 6.6/9 | 6.6/9 |
| Rated torque (N.m) | 2.3/3.3 | 2.3/3.3 |
| Output CHINAMFG Speed (RPM) | 120/60 | 120/60 |
| Rated speed (RPM) | 90/45 | 90/45 |
| Motor power (W) | 36 | 36 |
| Supply voltage (V) | 18-52 | 18-52 |
| Rated current (A) | 1.1 | 1.1 |
| Peak current(A) | 3 | 3 |
| Encoder Resolution (Bit) | 17 | 17 |
| Backlash (arcsec) | 40 | 40 |
| communication bus | CAN | CAN |
| Length(mm) | 53.9 | 67.5 |
| Through hole(mm) | 4 | 4 |
| Weight(kg) | 0.13 | 0.16 |
Application
This kind of robot joint modules can be used in robots, humanoid robots, and exoskeletons, helping us to quickly build robot arms and greatly shorten the development cycle.
Company Profile
HangZhou CHINAMFG Mechanical&Electrical Equipment Co., Ltd is a professional manufacturer of Robotic Joint Module. Our factory dedicates to the research of robot joint motor since 2571s, more than 10 years’ experience makes our product quality rank in the leading position in China. Wth an annual output of 80,000 sets of various products for the market, with high precision and stable performance, our robotic joint modules are welcomed by customers from India, Thailand, Iran, South Korea, Russian Federation, Sweden, Ireland, Poland, USA, France and so on.
After Sales Service
1. We accept small order of Joint module;
2. Sample order of Joint module delivery time is in 9 days, mass quantity order lead time is 9-15 days;
3. We can accept payment via paypal, T/T and L/C;
4.Quality assurance of our Joint module 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.
FAQ
Q: Are you trading company or manufacturer?
A: We are manufacturer and trading company.
Q: Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q: How long is your delivery time?
A: Due to the complex process, production takes 8-10 working days. For customized goods, please check with us before order.
Q. How do you ship the goods and how long does it take to arrive?
A: Usually by express, like DHL, UPS, FedEx, EMS or TNT; By air and sea are also available.Express takes 3-15 days to arrive.
Q: What is your terms of payment?
A: We accept Trade Assurance Order, TT, Paypal, West Union and L/C.
| Application: | Universal, Industrial, Robot Application |
|---|---|
| Operating Speed: | Adjust Speed |
| Excitation Mode: | Excited |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 2 |
| Samples: |
US$ 780/Piece
1 Piece(Min.Order) | |
|---|

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:
- Identify the input and output gears in the gearbox.
- Count the number of teeth on the output gear (the gear connected to the output shaft).
- Count the number of teeth on the input gear (the gear connected to the input shaft).
- Plug the values into the gear ratio formula: GR = Number of Teeth on Output Gear / Number of Teeth on Input Gear.
- 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.


editor by CX 2023-10-04