Reciprocating Saw

Reciprocating Saw

Objectives:• Impart knowledge

concerning reciprocating saw• Describe function

By: Victor Nifo

Reciprocating Saw

Definitions

Saw• Tool for cutting • Serrated blade • Worked either by hand or other

power

Reciprocating Saw• Straight blade mounted on gun-like

body • Blade moves back and forth • Similar to jigsaw- more powerful

Reciprocating Saw

Additional Information

• Cut through virtually anything

• Rough cuts

• Models range in power, speed, and features

• Industry standard: Milwaukee Sawzall

• Reciprocating saw generally called a "Sawzall"

Reciprocating Saw

How It Works

• Battery connected to motor

• Movement created by gears

• Bearing allows arm to rotate with gear

• Other end of arm connected to milled component

• Arm is free to pivot, causing milled component to move back and forth

• Motion causes teeth of blade to cut material

Reciprocating Saw

Additional Notes

Counterweight• Present on larger gear• Allows balanced motion of

blade

Case• Encloses gears and arm• Prevents: Grease leakageParticles affecting motion of

gears

Reciprocating Saw

Additional Notes

Speed Holes• Located opposite to

counterweight

• Reduce mass to ensure balanced rotation

Reciprocating Saw

Conclusion

• Definition: "Reciprocating saw" because

the blade moves back and forth

Acts like a jigsaw, but more powerful and versatile

• Function: Gears and pivoted arm allow

the back and forth motion of the blade

Reciprocating Saw

References

• http://en.wikipedia.org/wiki/Reciprocating_Saw