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ARB Zero backlash-Motorized Precision Stage


★Low rotary clearance.
★Long service life.
★The small volume of gear transmission type rotary platform.
★The production line is more suitable for long time use.

Update:2018.05.16

 Model no. ARB40-A3PN-CD ARB60-A3PN-CD

ARB80-A3PN-CD

ARB120-A3PN-CD

Mechanical specifications

Table Size(mm)  Ø40  Ø60 Ø80 Ø120 
Travel Stroke 360° 360° 360° 360°
Drive Type Warm & warm gear (Reduction ratio1/120) Warm & warm gear(Reduction ratio1/180)
Rail  Deep groove ball bearing
Stage Material/Surface Treatment Aluminum alloy / Black anodized
Accuracy Level P:Standard grade
Wiring Method N:GMT Standard

Precision specification

Axis Resolution

(Pulse)Full/Half

 0.006°/0.003° 0.004°/0.002° 0.005°/0.0025° 0.004°/0.002°
Maximum(Full Step) 30°/sec  20°/sec 
Position Precision 0.05° 
Repeatability Precision ±0.01° 
Load Capacity 3kgf 15kgf

Idling (rotation clearance)

 0.01°
Parallelism 30μm
Dynamic Straightness 30μm 20μm
Dynamic Parallelism 20μm

Update:2018.05.16

 Model no. ARB40-A3PN-CD ARB60-A3PN-CD

ARB80-A3PN-CD

ARB120-A3PN-CD

Mechanical specifications

Table Size(mm)  Ø40  Ø60 Ø80 Ø120 
Travel Stroke 360° 360° 360° 360°
Drive Type Warm & warm gear (Reduction ratio1/120) Warm & warm gear(Reduction ratio1/180)
Rail  Deep groove ball bearing
Stage Material/Surface Treatment Aluminum alloy / Black anodized
Accuracy Level P:Standard grade
Wiring Method N:GMT Standard

Precision specification

Axis Resolution

(Pulse)Full/Half

 0.006°/0.003° 0.004°/0.002° 0.005°/0.0025° 0.004°/0.002°
Maximum(Full Step) 30°/sec  20°/sec 
Position Precision 0.05° 
Repeatability Precision ±0.01° 
Load Capacity 3kgf 15kgf

Idling (rotation clearance)

 0.01°
Parallelism 30μm
Dynamic Straightness 30μm 20μm
Dynamic Parallelism 20μm
Products specifications
Model No. ARB