How to Size a Shock Absorber for Rotary Motion
Convert rotary motion into rotational energy and absorber stroke at the contact radius.
直接回答
For rotary motion, calculate rotational kinetic energy from inertia and angular speed, then translate the absorber contact radius and stop angle into effective stopping stroke. Beam, gate and rotary-table cases need different inertia assumptions.
本页回答的问题
- How do I size a shock absorber for rotary motion?
- How do I calculate a shock absorber for a rotary table?
- How do I select a shock absorber for a swinging arm or gate?
所需输入
公式逻辑
Angular speed
Converts rotational speed into angular velocity.
omega = rpm x 2 x pi / 60单位: rad/s
Rotational kinetic energy
I is the moment of inertia for the rotating body.
E = 1/2 x I x omega^2单位: N m
Arc stroke
r is absorber contact radius and theta is stop angle in radians.
s = r x theta单位: mm
计算步骤
- 1
Choose the rotary body model
Identify whether the case is a rotary load, beam/gate or rotary table.
- 2
Calculate rotational energy
Use inertia and angular speed, then add gravity torque work for vertical rotation if needed.
- 3
Check effective absorber stroke
Use the contact radius and stop angle to confirm that the absorber stroke is sufficient.
常见错误
- Using linear velocity without converting the rotary geometry.
- Using the wrong inertia model for a beam or gate.
- Ignoring gravity torque in vertical rotary motion.
目录来源说明
- The product catalog describes shock absorber use across linear and rotary/drive-related applications; the current site calculator registry already implements rotary load, beam/gate and table variants.
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