Steel plant transfer car: which shock absorber?

800 kg transfer car, 1.5 kW travel motor, 1.2 m/s. Watch the 41-second explainer, check the calculation, then open the same example in ImpactCal and change it to your own machine.

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Inputs (SI units)

Mass m	800 kg
Velocity v	1.2 m/s
Motor P	1.5 kW
Stall factor	2.5
Cycles C	60 /h

Calculation

Kinetic energyE1 = ½·m·v² = ½·800·1.2²	576 J
Stall forceF = 2.5·P / v = 2.5·1 500 / 1.2	3 125 N
Drive energyE2 = F·s = 3 125·0.050	156.3 J
Energy per cycleE3 = E1 + E2	732.3 J
Energy per hourE4 = E3·C = 732.3·60	43 940 J/h
Effective massme = 2·E3 / v²	1 017 kg

s = stroke of the selected model · g = 9.81 m/s²

ImpactCal selection

AC-64-50

Best-centred utilisation

Stroke50 mm

Stopping force18.3 kN

Deceleration18.0 m/s²

Stopping time0.104 s

Open this example in ImpactCalSize my own application