Because the tooth profile of the gear rack is straight, the pressure angle at all points on the tooth profile is the same, equal to the inclination angle of the tooth profile. This angle is called ...
POM is a polymer obtained by the polymerization of formaldehyde. It is called polyoxymethylene in chemical structure and is generally known as ‘acetal’. It is a thermoplastic resin with high crysta...
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Anyone who has slept wel...