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Harmonic Drive servo gear unit FHA-17C-100-E250-C

The Japanese Harmonic Drive DD motor FHA-17C-100-E250-C is mainly composed of four basic components: wave generator, flexible gear, flexible bearing, and rigid gear. The harmonic drive reducer is a kind of gear transmission in which the wave generator is assembled with a flexible bearing to make the flexible gear generate controllable elastic deformation and mesh with the rigid gear to transmit motion and power. The number of external teeth of the flexible gear is less than the number of internal teeth of the rigid gear. When the wave generator rotates, the external teeth of the flexible gear corresponding to the direction of the major axis precisely mesh into the internal teeth of the rigid gear.

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Product Description

SHA series

Abstract

In gear testing technology, there are two different ideas. One is based on the pure geometric concept, which uses the theoretical trajectories of points and lines on the surface to measure the deviation of points on the actual curve. The DD motor FHA-17C-100-E250-C of Harmonic Drive in Japan and various gear measurement centers adopt this method. The other idea is to reflect the influence of gear errors on performance by measuring the meshing motion deviation of the gears. The instruments designed by this method mainly measure the meshing motion deviation between the workpiece and the measuring element, and obtain the geometric error information of the tooth surface from it. A typical instrument is the CZ450 integral error measuring instrument.

The first-generation gear instruments using the point trajectory method mainly rely on the precise mechanical structure of the DD motor FHA-17C-100-E250-C of Harmonic Drive to achieve the theoretical trajectory, and measure the error through the mechanical micrometer. The second-generation instruments use optical reading positioning and inductance micrometers to record the errors. Typical instruments include the 3201 involute tester, the I}lingelnberg PWF250 hob tester in Germany, and the SP60 gear tester produced by MAGG in Switzerland. This generation of products introduced computer technology, making it possible to analyze the measured curves.

In the 1990s, with the wide application of CNC technology, the third-generation product, the CNC gear measurement center, gradually became the mainstream product. It mainly exists in the form of a coordinate measuring machine. Among them, the ZMC550 gear measurement center produced by Zeiss in Germany is one of the typical representatives.

Specialties

HarmonicDrive ® Integrated AC servo actuator with specially designed flat AC servo motor

Hollow and flat structure

Absolute value encoder

SHA-SG: Compact shape with extra length

SHA-CG: For turntable use, improve the accuracy of output shaft surface vibration

Special servo motor for ultra precision semi conductor equipment SHA series

1. Model name: AC servo actuator SHA series

2. Model:

SG type=20, 25, 32, 40, 45, 58, 65

HP type=25,32

CG type=20,25,32,40

3. Version symbols

4. HarmonicDrive ® Reduction ratio:

SG type=51,81101121161

HP type=11

CG type=50,80100120160

5. Type of reducer:

SG type=SHG series

HP type=HPF series

CG type=CSG series

6. Motor version symbol:

A=Models 58, 65

B=Models 25, 32, 40

C=Model 20

D=Model 45

7. Motor size:

● 08=Model 20

09=Model 25

12=Model 32

15=Model 40

16=Model 45

21=Models 58, 65

8. Brake:

● A=No brake

● B=With brake

9. Motor power supply voltage:

100=AC100V

200=AC200V

10. Encoder format:

10=symbol A format, transmission speed: 2.5Mbps, 1:1 connection

11. Encoder type and resolution:

S17b=17bit absolute encoder 131072 pulses/rotation

12. Encoder phase angle:

The phase difference A between the U-phase induced voltage of the motor and the absolute origin is 0 degrees

13 connector specifications:

● C=With standard connectors

● N=No connector

D=With special connectors

14. Optional symbols:

L=Near Origin&End Limit Sensor

Y=Cable side exit

● V=With bracket (CG type only)

● S=Output shaft 1 rotation absolute value specification (CG type only)

● No entry=standard product

SP=non-standard product

Harmonic Drive servo gear unit FHA-17C-100-E250-C

Product Description

SHA series

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