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Drilling Machines - (23B) Transfer Punch & Hand Tapping
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Part # PS 23B

Part Description: Transfer Punch and Hand Tapping

Quantity Req.: 

Name _______________________ Date: _____________

PLEASE HAVE INSTRUCTOR INITIAL AND DATE  GREY BOXES (*), AFTER REQUIRED OPERATIONS
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Step# Location  Description  Initials  Date
10 Instructor Use stock from previous work.
20 Bench  Deburr
30 Bench  Clamp the two plates (plate1 and plate2) together forming an "L" shape 4" x 4"
40 Drill Press Have instructor check clamping *  
50 Bench Transfer punch .250-20 tapped hole locations
60 Bench Unclamp the parts
70 Bench Center punch the transfer punched locations
80 Drill Press  Center drill punched locations
90 Drill Press  Drill with a #7 drill, 3 places
100 Drill Press  Setup to hand tap holes on a drill press according to the information sheet on thread cutting on a drill press
105 Instructor Have instructor check setup *  
110 Drill Press Tap the holes
120 Bench Deburr and clean off dye
130 Bench Inspect part and turn in for grading *