Changzhou Hejie Motor Co., Ltd
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000 pieces per day |
| Delivery Time | For samples , 7-15 days / For batch , 15-25days |
| Packaging Details | Acceptable customization |
| Type: | Closed Loop Stepper Motor |
| Current ： | 4.2a |
| Key words: | stepper motor closed loop control, closed loop motor |
| Step Angle: | 1.8Degree |
| Leads: | 4 |
| Holding Torque: | 2.2nm |
| Driver Weight: | 1.4KG |
| Brand Name | HEJIE |
| Certification | CE,ISO9001,ROHS |
| Place of Origin | CHANGZHOU,CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 5000 pieces per day |
| Delivery Time | For samples , 7-15 days / For batch , 15-25days | Packaging Details | Acceptable customization |
| Type: | Closed Loop Stepper Motor | Current ： | 4.2a |
| Key words: | stepper motor closed loop control, closed loop motor | Step Angle: | 1.8Degree |
| Leads: | 4 | Holding Torque: | 2.2nm |
| Driver Weight: | 1.4KG | Brand Name | HEJIE |
| Certification | CE,ISO9001,ROHS | Place of Origin | CHANGZHOU,CHINA |
| High Light | 14mm closed loop nema 34 ，closed loop nema 34 12.2Nm ，12.2Nm single shaft motor | ||
8mm Single Shaft Nm Nema 34 Closed Loop Stepper Motor
This enables servo motors to be used with gearboxes to deliver much higher torque at useful speeds. They also deliver more consistent torque across the speed range of the motor. Unlike stepper motors, they do not have holding torque per se.
1.Genaral Specification of closed loop stepper motor:
| Item | Specifications |
| Step Angle | 1.8° |
| Temperature Rise | 80℃max |
| Ambient Temperature | -20℃~+50℃ |
| Insulation Resistance | 100 MΩ Min. ,500VDC |
| Dielectric Strength | 820VAC for 1minute |
| Shaft Radial Play | 0.02Max. (450g-load) |
| Shaft Axial Play | 0.08Max. (450g-load) |
| Max. radial force | 220N (20mm from the flange) |
| Max. axial force | 60N |
2.Electrical Specification of nema 34 closed loop stepper motor 8.5N.m:
| 57BYGHB CLOSE LOOP STEPPER MOTOR | ||||||||||
| MODEL | STEP ANGLE | BODY LENGTH | CURRENT | RESISTANCE | INDUCTANCE | HOLDING TORQUE | POSITIONING TORQUE | MOMENT INERTIA | LEAD NO. | WEIGHT |
| (.) | L(MM) | (A) | (Ω) | (mH) | (NM) | (NCM) | (GCM2) | (KG) | ||
| 57BYGHB56-4204 | 1.8 | 56 | 4.2 | 0.4 | 1.2 | 1.1 | 3.5 | 280 | 4 | 0.8 |
| 57BYGHB80-3504 | 1.8 | 80 | 3.5 | 0.8 | 3.8 | 2.2 | 7 | 500 | 4 | 1.4 |
| 57BYGHB80-4204 | 1.8 | 80 | 4.2 | 0.7 | 2 | 2.2 | 7 | 500 | 4 | 1.4 |
| 57BYGHB112-4204 | 1.8 | 112 | 4.2 | 0.8 | 3.5 | 2.8 | 12 | 800 | 4 | 1.8 |
4. How close loop stepper motor works:
The most advanced closed-loop stepper control method is to operate the motor as a two-phase brushless (BLDC) motor. (Note that many stepper motors have two phases offset by 90° whereas brushless dc motors have three phases offset by 120°.) This method is referred to as servo stepper or closed-loop stepper control.
With servo control for stepper motors, instead of the drive providing full current to the motor to produce movement, feedback from an encoder detects the shaft position, and a control loop (typically a PID loop) determines the exact torque needed for the shaft to follow the move profile. In other words, the motor is driven by a torque command rather than by pulses of current.
5.Company introduction:
Founded in 2009, Changzhou Hejie Motors Co., Ltd. is a professional manufacturer and exporter that is concerned
with the design, development and production and sales of motors. We are located in Changzhou, Jiangsu Province, with convenient transportation access.Our company has always been committed to the design and manufacturing of the motors for over ten years , and now has a number of invention patents and utility model patents. Our company mainly engages in research and development of different motors, including the series stepping motor, the series Brushless DC motor, AC/DC servo motor. All of our products are greatly appreciated in a variety of
different markets throughout the country, and even exports to more than ten foreign countries and regions.
Our products have passed CE and ROHS certification, and the company has passed ISO9001 total quality management system certification.The products are widely applied to carved machine, embroidery machine, industrial robots, robots, unmanned aerial vehicle (uav), CNC machine tools, digital printing, computer flat knitting machine, 3 d printing, packaging machinery, industrial printers, medical equipment, new energy vehicles and other automation control and automation system equipment.
Production equipment:
Related Qualification Certificate:
6.FAQ:
Q1:Are you manufacturer ?
A1:Yes, we are the manufacturer of gear motor and planetary gearbox.
Q2 : What specifications we need before you place an order?
A2 : Rated torque, Rated speed, IP Grade, mounting dimensions.
Q3 : What is the price ?
A3 : Price always depends on quantity, we offer range pricing
Q4 : Is it customized ?
A4 : Yes, different clients have different requirements, so we customize for you. .
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Employee Number:
100~200
Ecer Certification：
Active Member
Founded in 2009, Changzhou Hejie Motors Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production and sales of motors. We are located in Changzhou, Jiangsu Province, with convenient transportation access.Our company has always been committed ... Founded in 2009, Changzhou Hejie Motors Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production and sales of motors. We are located in Changzhou, Jiangsu Province, with convenient transportation access.Our company has always been committed ...
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