Locator:             Locators are the elements or devices used in jigs and fixtures to accurately position and locate a workpiece at a predetermined position …

Key:              A key is a piece of mild steel inserted between the shaft and hub or boss of the pulley to connect these together in order to prevent relat…

ESTIMATING:        Estimating is process of calculating the probable cost of a product before the start of manufacturing. It is an art of finding the cost, wh…

Question 1: A lot of 1000 pieces of a job costs the following:  a) Cost of material = Rs. 20000  b) Labour cost = Rs. 15000  c) Cost of tools = Rs. 8000  d) F…

Introduction to Powder Metallurgy:           Powder Metallurgy  is a way of making metal parts without melting the metal completely. Instead, we first turn th…

Shaft:         A shaft is a rotating machine element which is used to transmit power from one place to another. The power is delivered to the shaft by some tan…