Fitness and tolerance

ETME 203 Test #2 Makeup Fall 2018 Name:______________ Score: ______________

For full credit you must show all work/calculations.

1. (30) Refer to the drawings on the next page to answer a, b, c, and d below. Show all necessary work and explain your answers if/as required.

a. What is the minimum size hole that should be drilled in part 2 (holes B and C) to

ensure that part 5 (cap screws) fit into the threaded holes in part 1? b. Specify the limit dimensions for holes B and C. c. The nominal dimension for A and F is 0.550 inches. Specify limit dimensions for

A and F based on a requirement for a clearance of 0.002 to 0.008. d. The nominal diameter for dimensions D, E and G is .375 inches. Specify limit

dimensions for D, E and G based on an RC 7 fit. e. Problem 9 work space:

Part 1 – Support Part 2 - Bracket

Part 3 – Link Part 4 – Pin