Scara Robot Manipulator Manual
Setup & Operation    2. Specifications 
20  G3 Rev.1 
2.4 Specifications 
Item  G3 series Manipulator 
Arm #1, #2  250 mm  300 mm  350 mm 
Arm #1  120 mm  170 mm  220 mm 
Arm length 
Arm #2  130 mm  130 mm  130 mm 
Joints #1, #2  3550 mm/s  3950 mm/s  4350 mm/s 
Joint #3  1100 mm/s 
Max. operating 
speed *1 
Joint #4  3000 deg/s 
Joints #1, #2  ± 0.008 mm  ± 0.01 mm  ± 0.01 mm 
Joint #3  ± 0.001 mm Repeatability 
Joint #4  ± 0.005 deg 
Rated 1 kg 
Payload (Load) 
Max. 3 kg 
Rated 0.005 kg·m
2
Joint #4 allowable 
moment of inertia 
 *2 
Max. 0.05 kg·m
2
Joint #1  ± 140 
Straight 
Joint #2  ± 141  ± 142 
Right hand  -  − 115 to 150  − 105 to 160 
Joint #1 
Left hand  -  − 150 to 115  − 160 to 105 
Right hand  -  − 135 to 150  − 120 to 165 
Curved 
Joint #2 
Left hand  -  − 150 to 135  − 165 to 120 
Joint #3  150 
Max. 
motion 
range 
Common 
Joint #4  ± 360 
Joint #1  − 9786710 to 51729750 
Straight 
Joint #2  ± 20534614 ± 20680249 
Right hand  -  − 5825423 to 55924054 − 3495254 to 58254223
Joint #1 
Left hand  -  − 13981014 to 47768463 − 16311183 to 45438294
Right hand  -  − 19660800 to 21845334 − 17476267 to 24029867
Curved 
Joint #2 
Left hand  -  − 21845334 to 19660800 − 24029867 to 17476267
Joint #3  −13653338 to 0 
Max. 
pulse 
range 
Common 
Joint #4  ± 23907534 
Joints #1 
0.00000377134 deg/pulse 
Joint #2 
0.00000686645 deg/pulse 
Joint #3 
0.00001098632 mm/pulse 
Resolution 
Joint #4 
0.0001560107deg/pulse 
Shaft diameter  ø 16 mm 
Hand 
Through hole  ø 11mm 
Mounting hole  120 × 120 mm (4-M8) 
Weight (cables not included) 
14 kg : 31 lb. 
Driving method  All joints  AC servo motor 
Joint #1 
200 W 
Joint #2 
150 W 
Joint #3 
150 W 
Motor 
energy 
consumption 
Joint #4 
150 W 
Installation method 
- Multiple Mounting 
Option 
Installation environment 
Cleanroom *3 & ESD 
Joint #3 down force  150 N 
Installed wire for customer use 
15 (15 pin: D-sub) 15 cores 
2 pneumatic tubes (ø6 mm) : 0.59 Mpa (6 kgf/cm
2 
: 86 psi) 
Installed pneumatic   
ube for customer use t
1 pneumatic tubes (ø4 mm) : 0.59 Mpa (6 kgf/cm
2 
: 86 psi) 










