Ryobi Reciprocating Saw

1
Ryobi Reciprocating Saw

• Group 1
• Christopher Clark John Sequeira
• Rishi Wadhera Jonathan Lin
• Danielle Launay

2
Objective

• Real-life Application of course material
• Model and Analyze an already accepted system
• Find Problems and Suggest Solutions

3
Challenges

• Advanced Designs and Mechanisms became Difficult
• Large Numbers of Connections Created Errors
  Within Program
• Minimizing Human Error

4
Assembly and Mechanisms
5
Gears
6
Gear Assembly

• 526 Gear Ratio
• Transmits Power from Motor through Saw Bar
• Transfers Rotational Energy into Translational
  Motion
• Space Efficient

7
Saw Bar

• Slider Connection to Gear allowing the bar to
  only move in one Cartesian plane
• Shear Stresses Applied to Shaft Create Maximum
  and Minimum Forces Shown

8
Blade

• Most Critical Part of Assembly
• Highest Risk of Failure
• Point Stress of 300N (67.5 lbf)

9
Motor Design

• Copper Coils
• Location
• Size
• Magnetic Fields
• Rotation Speed

10
Operation
11
Mechanism
12
Suggested Improvements

• Increase Power
• Motor Size
• Coils
• Increase Blade Strength
• Material
• Size
• Cost