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WorksheetsManufacturing and CNC Programming T1 Q1
Total questions: 35
Worksheet time: 45mins
Use the drawing shown to answer the question. What is the greatest permissible diameter:
77.2
76.8
77
77.4
Use the drawing shown to answer the question. What is the minimum permissible diameter:
77.2
76.8
77
76.6
Use the drawing shown to answer the question What is the smallest diameter shown on the drawing?
20
14
30
40
Use the drawing shown to answer the question What is the largest diameter shown on the drawing ?
20
60
30
40
Use the drawing shown to answer the question For M20 X 1.5 , the pitch and the diameter are :
the pitch = 1.5 and the diameter = 20
the pitch = 20 and the diameter = 1.5
the pitch = 18.5 and the diameter = 20
the pitch = 21.5 and the diameter = 20
Find out the reading of the measuring devices shown
A= 8.0 / B=24.0 / C=31.5 / D=40.5
A= 8.0 / B=24.0 / C=31.7 / D=40.5
A= 8.0 / B=24.0 / C=31.7 / D=40.4
A= 0.8 / B=20.4 / C=30.15 / D=40.5
Find out the reading of the measuring devices shown
7.3
5.30
5.23
7.8
Find out the reading of the measuring devices shown
6.67
5.17
5.25
6.17
Find out the reading of the measuring devices shown
13.14
5.14
1.14
0.12
Find out the reading of the measuring devices shown
28.45
20.45
2.45
0.245
Before operating any machine, be sure that ......................................are in place
safety devices
lubricating oil
machine covers
cleaning tools
Never use a …………………………… near the moving parts.
rag
tool
light
tag
Never clean metal chips by a piece of cloth, use a …………………………
brush
rag
wrench
metal rod
The ……………………………………. angle is the angle responsible for chip removal in lathe cutting tools.
Rake
clearance
wedge
engineering
In cutting tools, the ……………………………….. angle is the angle required to make cutting easier and minimize the friction and heat generation.
clearance
rake
wedge
engineering
The ………………………………….….. provides lubrication and cooling for the cutting tool, the chip and the work piece.
cutting fluid
air pressure
carriage
tailstock
…………………….. is the distance the cutting tool advances along the length of the work for every revolution of the spindle.
feed
spindle speed
depth of cut
cutting speed
……………..………… is the degree of roughness of the machined surface.
surface finish
depth of cut
clearance
allowance
for the machine shown the part number (1) is:
Headstock
Safety guard
Tool post
Compound slide
for the machine shown the part number (2) is:
Headstock
Safety guard
Tool post
Compound slide
for the machine shown the part number (3) is:
Headstock
Safety guard
Tool post
Compound slide
for the machine shown the part number (4) is:
Headstock
Safety guard
Tool post
Compound slide
for the machine shown the part number (5) is:
Tailstock
Bed
Lead screw
Power feed lever
for the machine shown the part number (6) is:
Tailstock
Bed
Lead screw
Power feed lever
for the machine shown the part number (7) is:
Tailstock
Bed
Lead screw
Power feed lever
for the machine shown the part number (8) is:
Tailstock
Bed
Lead screw
Power feed lever
the shown lathing machine part is :
Center
Headstock
Carriage
3 jaw chuck
the shown lathing machine part is :
Center
Headstock
Carriage
3 jaw chuck
the shown lathing machine part is :
Center
Headstock
Carriage
3 jaw chuck
the shown lathing machine part is :
Center
Headstock
Carriage
3 jaw chuck
Provides the driven power to control the rotation of the part (work piece) being machined is the function of :
Headstock
Tool rest
Compound rest
Four-jaw chuck
used to mount the cutting tool is the function of :
Headstock
Tool rest
Compound rest
Four-jaw chuck
Allows the tool to move at an angle is the function of :
Headstock
Tool rest
Compound rest
Four-jaw chuck
Holds work of different sizes and shapes is the function of :
Headstock
Tool rest
Compound rest
Four-jaw chuck
Calculate the RPM required to rough turn a 40 mm diameter piece of machine steel( cutting speed is 27 m/min) ?
215
212
0.2148
4.65
