Spring balancers from Yale
September 2011
Other technologies
The new Yale spring balancers are perfectly suited to the needs of the automotive industry and applications where tooling or appliances need to be close at hand. Models YBF and YBA significantly improve the ergonomics and efficiency of the production environment. They are supplied by CMCO Material Handling, a subsidiary of the international Columbus McKinnon Corporation Group which designs and manufactures the Yale brand of lifting, pulling and jacking products and materials handling systems.
Features include an accessible vertical axis set screw for adjustment; a load indicator that shows the operating range and load setting; a nylon rope guide that reduces wear on both the rope and spring balancer body; and a precision made steel drum axle with tapered drum that extends the product’s life. To enhance operator safety, they come with 360° rotating forged top hooks with safety latches as well as upper and lower suspension eyes for attachment of secondary safety chains.
The compact design of the load body and spring assembly allows for an easy exchange of individual components. The automatic drum locking device locks the drum and holds the load securely in the event of spring failure. A manual drum lock is provided for maintenance purposes, a must when replacing a rope, changing the load or renewing the spring. Spring assemblies as separate units in a closed steel housing avoid accidents during the replacement of springs.
The YBA series has the same technical features as the YBF series, but comes with an additional feature in case of rope breakage. This mechanism locks the rope in case of accidental dislodging of the suspended weight or breakage of the bottom hook or the rope.
Model YFS Yale retractors are also new on the CMCO product list. They are specially designed to retract the cable when no force is applied. The torque output of the rewind spring increases as the cable is extended. Defining features include a hanger for a secondary support chain, a nylon liner that prevents wear of the wire rope or casing and a powder coated sheet metal casing. A tool can be set to the required level with a cable stop.
For more information contact Graham Campbell, CMCO Material Handling, +27 (0)31 700 4388, [email protected], www.yale.co.za
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