WorksheetsPunch Assembly -Blueprint
Total questions: 37
Worksheet time: 36mins
The Punch Holder is Made from What Material?
Aluminum
Spring steel
Cold rolled steel
Heat treated RC58
The 3/16" Punch has a body diameter of ___________ ?
.187
.250
.375
.500
The maximum allowable Diameter of the largest hole on the pivot arm is_____________?
.625
.627
.623
.500
All of the punches require a (a) degree Chamfer
Please describe what a chamfer is.
A larger Diameter hole drilled for a portion of the thickness of a part
a 45 degree corner break on an ID or OD
a 60 corner break on an ID
a filed edge
The bushing is made from from what kind of material?
(a)
The small diameter of the 5/16" punch is (a) ?
The center of the smallest hole on the pivot arm is located (a) from the large end?
The UNC threads specified on the pivot screw have how many threads per inch ( TPI) ?
(a)
What is the overall length of the Index Pin?
.250
2.500
.188
1.688
What detail number attaches the knob to the index pin in the assembly drawing?
(a)
What is the RADIUS of the bolt circle going thru the 5 equal sized holes on the DIE?
(a)
The MAXIMUM allowable Height of the punch holder is
2.000
2.001
1.999
2.002
What is the largest un-threaded hole size on the Die?
.812
1/2"
.261
.386
The knurl is located (a) from the edge of the Die ?
What is the maximum allowable diameter of the flange on the index pin?
(a)
Is this drawing to scale?
YES
NO
The largest hole in the knob is (a) diameter.
A running fit allows for __________________.
two parts to fit together closely , but still allow movement
Two mating part to be forced together
Two parts to fit together loosely for assembly
The smallest allowable diameter of the 3/16" punch is ____?
.188
.186
.187
.185
The thickness of the pivot arm is (a) ?
The pivot screw can be tightened to the Die with what size wrench?
(a)
The large thread designated on the pivot screw is a 1/2-20UNF-2A thread. What does the 20 define?
(TPI) threads per inch
(RPM) Revolutions per minute
Thread diameter
The chamfer designated on the 3/8" punch is
.060
1/32 x 45
1/16 x45
.250
The counterbore Diameter on the pivot arm is (a) diameter
The overall length of the Pivot arm is _______________.
1.500
2.000
2.313
1.813
How many punches are in this assembly?
(a)
What is the size of the threaded hole in the knob?
8-32
1/2-20
5/16-18
6-32
How many parts are in this assembly?
(a)
What is the overall length of the bushing?
(a)
What is the maximum diameter of the .5000 dimension on the bushing?
(a)
What is the diameter of the material used to make the Spring?
(a)
Is the threadeed hole in the die left handed or right handed.
(a)
How large are the holes in the punch holder?
(a)
What is the overall length of the spring?
(a)
What is the MAXIMUM size of the hole on the left end of the pivot arm?
(a)
What is the specified hole depth on the punch holder ?
(a)
