Alberta Red Seal 2020 Ver. 2.0

Question 1

Name ( 3 ) benefits of using canned cycles.

( +1 for added bonus )

Answer 1

a) Simplify programming
b) Shorten programs
c) Helps with optimizing during program verification
d) Minimize the potential for mistakes

Question 2

What is the canned cycle G code for facing? ( Lathes )

a) G90 b) G92
c) G94 d) G91

Answer 2

c) G94

Question 3

What is the canned cycle G code for turning? ( Lathes )

a) G90 b) G92
c) G94 d) G91

Answer 3

a) G90

Question 4

What is the canned cycle G code for boring? ( Lathes )

a) G90 b) G92
c) G94 d) G91

Answer 4

a) G90

Question 5

What G code is used to specify the multiple repetitive cycle for radial grooving? ( Lathes )

a) G70 b) G71
c) G72 d) G73
e) G74 f) G75

Answer 5

f) G75

Question 6

What G code is used to specify the multi-repetitive cycle for peck drilling? ( Lathes )

a) G70 b) G71
c) G72 d) G73
e) G74 f) G75

Answer 6

e) G74

Question 7

What G code is used to specify the multiple repetitive cycle for rough turning and boring?

( Lathes )

a) G70 b) G71
c) G72 d) G73
e) G74 f) G75

Answer 7

b) G71

Question 8

What G code is used to specify the multiple repetitive cycle for rough facing?

( Lathes )

a) G70 b) G71
c) G72 d) G73
e) G74 f) G75

Answer 8

c) G72

Question 9

What G code is used to specify the multiple cycle for finishing?

( Lathes )

a) G70 b) G71
c) G72 d) G73
e) G74 f) G75

Answer 9

a) G70

Question 10

Which letter address is used in the G71 command to specify that the finishing stock be left on all diameters? ( Lathes )

a) P b) Q
c) D d) U
e) W f) F

Answer 10

d) U

Question 11

Which letter address is used in the G71 command to specify the sequence number for the last command of the finish pass definition? ( Lathes )

a) P b) Q
c) D d) U
e) W f) F

Answer 11

b) Q

Question 12

Which letter address is used in the G71 command to specify that the finish stock be left on all faces? ( Lathes )

a) P b) Q
c) D d) U
e) W f) F

Answer 12

e) W

Question 13

Which two ( 2 ) types of offsets do you use to assign program zero?

a) geometry offsets and work-shift
b) wear offsets and tool nose radius compensation
c) work-shift and wear offsets
d) tool nose radius compensation and geometry offsets

Answer 13

a) geometry offsets and work-shift

Question 14

What word command is commonly used to program geometry offset entries? ( Lathes )

a) T0101
b) G20
c) G40
d) G10

Answer 14

d) G10

Question 15

Which G code specifies the threading motion command that works much like G01?

( Lathes )

a) G92 b) G32
c) G76 d) G99

Answer 15

b) G32

( Lathes - Programming CNC Threads )

Question 16

Which G code specifies the one-pass canned cycle for threading? ( Lathes )

a) G92
b) G32
c) G76
d) G99

Answer 16

a) G92

( Lathes - Programming CNC Threads )

Question 17

What G code specifies the multiple repetitive cycle for threading? ( Lathes )

a) G92
b) G32
c) G76
d) G99

Answer 17

c) G76

( Lathes - Programming CNC Threads )

Question 18

For all machines, M154 is the M code used to select live tooling mode, and M155 is the M code used to select lathe mode.

( Lathes )

a) True
b) False

Answer 18

b) False

( Read the machine tool builder’s programming manual to determine words needed to select between lathe mode and live tooling mode. )

Question 19

Name two ( 2 ) reasons for having two turrets for one spindle.

Answer 19

a) Having two turrets for a spindle allows simultaneous machining.
b) Two turrets provide more cutting tool stations.

Question 20

What is the result if you ignore the possibility of backlash when machining a taper?

( Lathes )

Answer 20

• If you fail to recognize the amount of backlash in the machining mechanism, the taper could be wrong.

( Lathes Attachments and Accessories - Second Year )

Question 21

How many jaws are found on a follower rest?

( Lathes )

a) a follower rest has no jaws
b) a follower rest has two jaws
c) a follower rest has three jaws
d) a follower rest has four jaws

Answer 21

b) a follower rest has two jaws

( Lathes Attachments and Accessories - Second Year )

Question 22

If the grooving tool chatters:

a) increase the feed rate
b) increase the cutting speed
c) decrease the cutting speed
d) sharpen the tool

Answer 22

c) decrease the cutting speed

Question 23

List ( 2 ) functions for the G50 program code.

Answer 23

a) Maximum RPM setting
b) Setting manual tool co-ordinates.

Question 24

What are the 4 types of gears?

Answer 24

• Hypoid
• Straight
• Zerol
• Spiral