METZIN modern induction shrink-fit technology uses the expansion and contraction properties of metal to enable smaller shafts carry the same torsion moment. Proper shrink fitting prolong the roller bearings life by several times. Induction heating is also ideal for shrink-fit many other shaft mounted machine parts such as gears, pinions, seals and spacers that often require shrink fitting to avoid from suffer of reduced life expectancy due to improper installation. What constitutes "proper" fitting technique? Mechanical methods such as hammers and hydraulic presses risk damaging the inside surface of the inner ring and the bearing races. The better shrink fitting solution is via heating. But beware: blow torches and hot plates tend to overheat, while oil baths are slow heating, present environmental and safety hazards, cause bearing contamination and loss of prepublication.
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Akhilesh Pratap (Rotomech Automation Limited)
C-401, Sarswati, Suchidham, Malad East, Mumbai, Maharashtra - 400097, India
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