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Understanding Reciprocating Saw: Mechanism & Motion Types

Discover the mechanism behind reciprocating saws, how they convert rotary motion into reciprocating motion, and various types of motion involved. Learn about the slider-crank mechanism, other mechanisms used, and how reciprocating saws cut with precision.

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Understanding Reciprocating Saw: Mechanism & Motion Types

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  1. Reciprocating Saw(Sawzall) By Jackie Ho Objectives: Introduce different types of motion Explain the mechanism used in the reciprocating saw

  2. Types of Motion

  3. How do reciprocating saws cut? • Reciprocating saws convert rotary motion into reciprocating motion

  4. ANSWER!!!

  5. Slider-Crank Mechanism • a four-bar linkage with 3 revolute joints and one prismatic joint Example: Engine

  6. Other Mechanisms • Other ways convert rotary motion to reciprocating motion • Cardan Gear • Geared Mechanism

  7. The slider-crank mechanism transforms the rotary motion of the motor to reciprocating motion of the blade

  8. References • http://www.engr.utexas.edu/dteach/Experience/mechanisms/brief_mechanisms.htm • http://www.cs.cmu.edu/People/rapidproto/mechanisms/chpt5.html • http://www.flying-pig.co.uk/mechanisms/pages/cardan.html

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