RH-320CA - Precision reduction gearhead model for welding positioners
- Brand: Nabtesco
- Product Code: RH-320CA
Description: RH series is a siutable precision gearhead model for welding positioners featuring slim profile, intergrated base flange, and compatible fittings with major servomotors.
Description: RH series is a siutable precision gearhead model for welding positioners featuring slim profile, intergrated base flange, and compatible fittings with major servomotors.
Product Features
- Slim profile
- Intergrated base flange design
- Large diameter of hollow shaft (Φ 120mm: 320CA, Φ 70mm: 155C)
- Internal main bearing
- Sealed grease
- Backlash less than 1 arc.min.
- Lost motion less than 1 arc.min.
- Support for major motors
Spec Information
Model RH-155C RH-155C RH-155C RH-320CA Discrimination1 Series Unit Type Series Symbol Model Motor Series w number (w)
w number (kw)
Type Ratio Actual Ratio Rated Torque （N・m）
Allowable Scceleration/Deceleration Torque （N・m）
Momentary Maximum Allowable Torque （N・m）
Dimension α1 (mm)
Dimension α1 (mm)
Dimension Din (mm)
Input Shaft Rated Moment （N・m）
Input Shaft Allowable Moment （N・m）
Dimensionβ (mm)
Rated Output Speed （r.p.m.）
Rated life （hr）
Allowable Output Speed （r.p.m.）
Allowable Input Speed （r.p.m.）
Backlash (arc.min.)
Lost Motion (arc.min.)
Torsional Regidity (Nm/arc.min.)
Moment Rejidity (Nm/arc.min.)
Start-up Effciency (%)
Moment of Inertia (kg・m^2)
Mass (kg)
Allowable Moment 1 (N・m)
Allowance Thrust 1 (N)
Allowable Moment 2 (N・m)
Allowance Thrust 2 (N)
Output Rotational Speed 1 (min-1)
Output Torque 1 (N・m)
Output Rotational Speed 2 (min-1)
Output Torque 2 (N・m)
Brake Holding Torque (N・m)
Reduced Value Of The Inertia Moment For The Input Shaft (kgm2)
Capacity Part Number Quantity Packaging Type Capacity Part Number Quantity Packaging Type Maximum allowable load (reference values) (kg)
Maximum center of gravity height (mm)
Maximum tilt angle (deg)
Reduction ratio (Rotary axis) Reduction ratio (Tilt axis) Allowable startup/stop torque (Rotary axis) (Nm)
Allowable startup/stop torque (Tilt axis) (Nm)
Rotary axis allowable output speed (Operation Example) （r.p.m.）
Tilt axis allowable output speed (Operation Example) （r.p.m.）
Backlash・Lost motion (Rotary axis) (arc.min.)
Backlash・Lost motion (Tilt axis) (arc.min.)
Moment of inertia I (I=GD2/4) motor input conversion (Rotary axis) (kg-m2)
Moment of inertia I (I=GD2/4) motor input conversion (Tilt axis) (kg-m2)
Motor capacity (reference values) ※1 (w)
Wheel diameter (mm)
Maximum speed ※1 (m/min)
Loading capacity/wheel (kgf)
Loading load/4 wheels AGV (reference values) ※1 (kgf)
3.297 78.3 78.3 1,470 3,675 15 6,000 51 Less than 1 Less than 1 735 90 4,000 16,000 3.297 104.4 104.4 1,470 3,675 15 6,000 51 Less than 1 Less than 1 735 90 4,000 16,000 3.297 120.46 120.46 1,470 3,675 15 6,000 51 Less than 1 Less than 1 735 90 4,000 16,000 7.034 152 152 3,136 7,840 15 6,000 25 Less than 1 Less than 1 1,960 212 20,580 29,400 ※1 Subject to change depending on the operating conditions