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Jk A calliper brake on a NC milling machine arrest a the shaft from630RPMto rest 4 times an hour.0.55kJ/(kgC), a diameter of200mm, and a thickness

Jk

A calliper brake on a NC milling machine arrest a the shaft from630RPMto rest 4 times an hour.0.55kJ/(kgC), a diameter of200mm, and a thickness of 10 mach provides a mean air speed the shaft, is32kgms. The brake pads are wet sintered metal. The lateral area of the brake surface is0.04m2. Assume a temperature rise of100Cand an ambient temperature of23CCaccule the minimum and maximum temperature for a steady-state operation.

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