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Tech Bulletin
HOW MUCH BOLT TENSION IS GOOD
Designers always agonise and are in the grey zone when deciding about the amount of bolt tension that they must specify for a particular assembly to perform true to its desired function. While the answers are not simple they are not too complicated either. The amount of bolt tension needed for an assembly will be […]
Solid Gaskets or Liquid Sealants
Traditionally for sealing Face Joints a paper, asbestos or cork & rubber gaskets are used. But these have been found woefully inadequate for the modern-day auto aggregates. Leaky trucks and cars in the garage are no longer acceptable. Some of the reasons that such traditional gaskets are not suitable are: The sealing depends on contact […]
Face Sealing – Anaerobic or Silicone Sealant
Face sealing fundamentals To seal the two faces voids formed between the two mating surfaces because of irregularities – technically surface roughness and flatness errors – needs to be filled completely. The requirement on the chosen sealant is to resist the internal pressure, thermal expansion and contraction, resist the fluids being sealed at the operating temperature […]
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