How to Size a Shock Absorber for Vertical Motion
Add gravity work when the load moves downward into the absorber and subtract it when gravity opposes the stop.
直接回答
Vertical sizing starts with kinetic energy, then adjusts for gravity over the stopping stroke. Gravity assists downward impacts and increases the energy to absorb; gravity opposes upward motion and can reduce the absorbed energy requirement.
本页回答的问题
- How do I size a shock absorber for vertical motion?
- How does gravity affect shock absorber calculation?
- How do I calculate a shock absorber for a vertical falling load?
所需输入
movingMassKgimpactVelocityMpsavailableStrokeMmgravityRelationcyclesPerHour
公式逻辑
Gravity work over stroke
m is mass in kg, g is 9.80665 m/s2 and s is stopping stroke in meters.
Wg = m x g x s单位: N m
计算步骤
- 1
Calculate kinetic energy
Use the impact velocity at the moment the load reaches the absorber.
- 2
Adjust for gravity
Add gravity work for downward motion and subtract it for upward motion where gravity opposes the impact.
- 3
Check rating and safety margin
Compare energy, force, stroke and duty cycle against the selected product family.
常见错误
- Treating vertical and horizontal cases as identical.
- Forgetting gravity work on downward moving masses.
- Not checking return force and reset behavior for vertical equipment.
目录来源说明
- The full product catalog p.39 and p.50 require the user to specify vertical or horizontal motion for heavy-duty absorber application data.
从答案进入型号 shortlist。
已有输入参数时可使用选型工具，也可以发送应用数据做工程复核。