Extension of the lifespan of the electromagnetic brake lining for overhead cranes.
We received your inquiry regarding the large overhead crane with a rated load of 30 tons, as the lifespan of the electromagnetic brake linings (brake shoes) that control the drive and stop is short, leading to frequent replacements. Issues: 1. In the past, asbestos-containing linings were used, but after switching to non-asbestos resin-type linings, the lifespan has decreased. 2. The frequency of replacements is high, and the effort involved in replacing them is considerable. 3. Since the work is at a height, we would like to reduce the frequency of replacements for safety reasons.
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It was proposed to change the material from resin-type brake shoes to woven-type brake shoes, which maintain braking power even under high temperatures and harsh conditions. Points: 1. Woven-type brake shoes maintain braking power and have a long lifespan even under high temperatures and harsh conditions. 2. The price is twice that of resin-type, but the extended lifespan reduces replacement costs and maintenance efforts. * Resin-type brake shoes: Brake shoes made by sintering powder (framework materials, lubricants, abrasives, pH adjusters, fillers, etc.) with resin. * Woven-type brake shoes: Brake shoes woven with a blend of special fibers and high-performance fibers, reinforced with inserted wires.
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In the current situation where advanced technological capabilities are required of Japanese companies as a whole, we aim to be a trading company that not only possesses "integrity" and "technology," but also explores our customers' needs and responds to their requests.