Industrial spring balancers (often called tool balancers) are the unsung heroes of the assembly line. They use a coiled spring to counteract the weight of a tool, making it feel virtually weightless to the operator.
If you’re looking to improve ergonomics or protect expensive equipment, here is what you need to know.
How They Work
The core of a balancer is a tapered drum and a power spring. As the cable is pulled out, the spring tension increases; however, the taper of the drum compensates for this change in force.
The result is a constant tension that allows the tool to stay exactly where the operator leaves it in mid-air.
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