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Machine
Shop 2 |
|
Lathe Operations
- Project 3-3 |
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| Part # PSN3#3
Part Description: Crank Handle Quantity Req.: 1 |
Name _________________________
Date: ________________ |
PLEASE HAVE YOUR INSTRUCTOR INITIAL AND DATE THE GREY BOXES
(*) AFTER THE REQUIRED OPERATIONS.
Click here to view the part
specification.
| Step# | Location | Description | Initials | Date |
| 10 | Instructor | Secure stock from the instructor. | * | |
| 20 | Lathe | Chuck stock and center to within 0.002. | ||
| 30 | Lathe | Face end to clean up. | ||
| 40 | Lathe | Center drill with #4 center drill. | ||
| 50 | Lathe | Drill with the correct size drill for machine reaming a 0.375 hole. | ||
| 60 | Lathe | Set up for machine reaming. Use a floating reamer holder. Be ready to answer questions regarding R.P.M. | ||
| 70 | Instructor | Have the instructor check set up. | * | |
| 80 | Lathe | Ream the 0.375 hole. | ||
| 90 | Lathe | Set up to counterbore. | ||
| 100 | Lathe | Counterbore 0.28 deep. | ||
| 110 | Lathe | Break sharp corners. | ||
| 120 | Lathe | Turn part and chuck to within 0.002. | ||
| 130 | Lathe | Set compound for turning taper. | ||
| 140 | Lathe | Turn 20 degree taper. | ||
| 150 | Lathe | Deburr and break sharp edges. | ||
| 160 | Bench | Inspect part. | ||
| 170 | Instructor | Turn in your work for grading. | * |