Q5) If the spirit level used for testing the parallelism of the ways of the turning machine reads .4 mm. a) Show what the spirit value means? b) If the ways of the turning machine show lack of parallelism, how this can affect the workpiece?

Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter6: Milling
Section6.4: Indexing And Rotary Table Operations
Problem 6RQ: If the outside of a 6"-diameter disk is to be milled using a rotary table and a 3/4" diameter...
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Q4) Show the instruments and the procedure used to test the concentricity of the
spindle and the parallelism of the table for the CNC milling machine.
Q5) If the spirit level used for testing the parallelism of the ways of the turning
machine reads .4 mm.
a) Show what the spirit value means?
b) If the ways of the turning machine show lack of parallelism, how this can affect the
workpiece?
Q6) For the presented figure:
a-What is the accuracy of the vernier caliper.
b- What is the value of the part diameter.
Q7) Choose the correct answer for the following sentences:
1- The following vernier bevel protractor reads:
a-45° 45'
b- 52° 15'
c-42° 45'
-60
8
45
30
15
15
ppd
643
650O
d- 53° 45'
Transcribed Image Text:Q4) Show the instruments and the procedure used to test the concentricity of the spindle and the parallelism of the table for the CNC milling machine. Q5) If the spirit level used for testing the parallelism of the ways of the turning machine reads .4 mm. a) Show what the spirit value means? b) If the ways of the turning machine show lack of parallelism, how this can affect the workpiece? Q6) For the presented figure: a-What is the accuracy of the vernier caliper. b- What is the value of the part diameter. Q7) Choose the correct answer for the following sentences: 1- The following vernier bevel protractor reads: a-45° 45' b- 52° 15' c-42° 45' -60 8 45 30 15 15 ppd 643 650O d- 53° 45'
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