Increased Consistency and Efficiency Jigs and Fixtures Increased Consistency and Efficiency

What is a Jig -Typically a simple movable device to increase accuracy. -Used to increase productivity. -Allows a variety of tools to be used. -Adjusts for various tools instead of purchasing new tools.

Why use a Jig? Useful when making multiple parts or repeating a pattern.  Jigs let you speed up your work. You don't have to individually adjust every piece you are cutting, sanding, bending, forming, etc.

Jig Example

Fixtures More of a permanent tool that is used for assembly purposes. Typically does not have as much flexibility as a jig. Most likely used for high volume production. Made of durable materials such as tool steel, iron, aluminum alloys, etc.

Other Fixture Examples Used most commonly for welding and metal assembly work. Typically used for products that must be very precise. Sometimes are exposed to high temperatures and stresses

Question Is it necessary to still measure and check your design after fabrication? Why?