Exam Question
Write short notes on
(a) gear/ bearing pullers (4)
(b) Taps and dies (4)
(c) Surface plate (4)
(d) Vice and their usage on board (4)
Class 4 (4th Engineer)
MEP
📅 Jul 2022
Reference Answer
### (a) Gear / Bearing Pullers
**1. Principle and Purpose:**
A gear or bearing puller is a mechanical tool designed to safely and efficiently remove interference-fit components, such as bearings, gears, pulleys, or sprockets, from a shaft or out of a housing. It works by applying a controlled, uniform tensile force to the component, overcoming the press-fit pressure without causing damage to either the component or the shaft.
**2. Types and Construction:**
**1. Principle and Purpose:**
A gear or bearing puller is a mechanical tool designed to safely and efficiently remove interference-fit components, such as bearings, gears, pulleys, or sprockets, from a shaft or out of a housing. It works by applying a controlled, uniform tensile force to the component, overcoming the press-fit pressure without causing damage to either the component or the shaft.
**2. Types and Construction:**
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