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As Seen in Cutting Tool Engineering Magazine
The 5 Steps of Fixture Design
By Ray Okolischan, Vice President, Carr Lane Manufacturing Co

Successful fixture designs begin with a logical and systematic plan. With a complete analysis of the fixture's functional requirements, very few design problems occur. When they do, chances are some design requirements were forgotten or underestimated.

The workpiece, processing, tooling, and


available machine tools may affect the extent of planning needed. Preliminary analysis may take from a few hours up to several days for more complicated fixture designs.

Fixture design is a five-step problem-solving process. The following is a detailed analysis of each step.

Step 1: Define Requirements

To initiate the fixture-design process, clearly state the problem to be solved or needs to be met. State these requirements as broadly as possible, but specifically enough to define the scope of the design project.

The designer should ask some basic questions: Is the new tooling required for first-time production or to improve existing production? If improving an existing job, is the goal greater


accuracy, faster cycle times, or both? Is the tooling intended for one part or an entire family of parts?

The tooling designer must determine how much freedom and input there is on each project. If many choices regarding machine tools, operations, and cutting tools have already been made, the designer's role will have a relatively narrow focus.


Step 2: Gather/Analyze Information »


For more information, consult the Jig and Fixture Handbook

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