Caster Trail and Offset Geometry
Work out the trail and lead of a swivel caster, and judge whether it will self-centre, wander, or pivot under an offset or high...
Open calculatorWork out the trail and lead of a swivel caster, and judge whether it will self-centre, wander, or pivot under an offset or high...
Open calculatorWork out the drawbar pull needed to tow a train of carts, where every swivel caster adds swivel drag and every join adds a...
Open calculatorChoose a tread width from the load, the floor's pressure limit, and how easily the cart must roll, then see the ground pressure the...
Open calculatorSuggest a practical wheel diameter from the floor condition, the per-wheel load, and the obstacles the cart must roll over, using the trade-off that...
Open calculatorRecommend a wheel tread material from the floor, the load class, and what matters most: rolling ease, floor protection, noise, washdown, or heat.
Open calculatorCompare the wheel rating with the bracket, axle, and mounting rating so the whole caster is limited by its weakest part rather than by...
Open calculatorWork out what a dual-wheel caster really carries, because two wheels on one bracket do not double the rating when an uneven floor can...
Open calculatorWork backwards from the load and a caster's rated capacity to the minimum number of casters, then check the load each sharing wheel will...
Open calculatorEstimate the load on each leveling caster and the pressure its pad puts on the floor when a machine is parked and leveled.
Open calculatorCalculate each corner reaction and spring compression for an eccentric vertical load on a rigid rectangular frame with four identical elastic supports.
Open calculatorMatch replacement chair casters by stem diameter, stem length, hub bore, and the class of chair, and avoid the trap of a bigger wheel...
Open calculatorWork out the contact patch and sidewall squash of a pneumatic or flat-free caster tire, and the inflation pressure it needs to carry the...
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