Machine Shop 4
Advanced Inspection - Sine Bar
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Advanced Inspection - Sine Bar
Please turn into instructor after completing required operations

Part #  2B

Part Description: Advanced Inspection - Sine Bar

Quantity Req.: 1

Name _________________________

Date: ________________

PLEASE HAVE INSTRUCTOR INITIAL AND DATE  GREY BOXES (*), AFTER REQUIRED OPERATIONS

Step# Location  Description  Initials  Date
10 Inspection Area Have an instructor assign an angular part to be measured.
20 Inspection Area Use the CMM or bevel protractor to measure the angle. Record the measurement.  
30 Inspection Area Using the sine formula discussed in the text, determine the Five inch sine bar elevation. Record your calculations.  
40 Inspection Area Calculate the gage block stack up. Make sure you are using wear blocks.
50 Inspection Area Select the blocks. Clean the blocks. Wring the blocks together.
60 Inspection Area Set up the Sine Bar on the surface plate.
70 Inspection Area Check the workpiece using the dial indicator as discussed in the text.
80 Inspection Area Adjust the sine bar elevation until the dial indicator reads 0.001 TIR.
90 Inspection Area Using the Machinery’s Handbook, look up the table of sine bar constants and determine the actual angle of the part based on the gage block stack up.
100 Inspection Area Record your answer.  
110 Inspection Area Have instructor check set up. *