20.7 PRACTICE PROBLEMS

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1. Examine the part below. It is set up so that the origin is at the bottom left. The cutting tool has a diameter of 1/2", and the material is 1/8" thick.

a) Write the equations needed to find the tangency point on the top left of the piece.

b) Develop an NC program to mill the part. The program should be complete and include all instructions required. If necessary, assume a location for the tangency point.

2. Examine the part below. It is set up so that the origin is at the bottom left corner. The cutting tool has a diameter of 1/2", and the material is 1/8" thick. Develop an NC program to mill the part. The program should be complete and include all instructions required.

3.