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Worksheetsedm practices
Total questions: 12
Worksheet time: 8mins
What is a, b and c?
a- bed
b- saddle
c- machining tank
a- supply tank
b- head stock
c- saddle
a- supply tank
b- head stock
c- machining tank
a- supply tank
b- saddle
c-table
What is d, e and f
d - table
e- saddle
f - bed
d - saddle
e - table
f - bed
d - supply tank
e- saddle
f - table
d - saddle
e- table
f- bed
What is the workflow of EDM wire cut operation
prepare workpiece
workpiece loading
cutting operation
prepare program
cutting operation
prepare workpiece
prepare program
workpiece loading
prepare program
prepare workpiece
workpiece loading
cutting operation
workpiece loading
cutting operation
prepare workpiece
prepare program
What is i, ii, and iii?
i - work pans
ii - wire feeder
iii - xy axis mechanical unit
i - wire feeder
ii - work pans
iii - xy axis mechanical unit
i - control unit
ii - work pans
iii - xy axis mechanical unit
i - wire feeder
ii - filter
iii - xy axis mechanical unit
What is iv, v and vi?
iv - control unit
v - filter
vi - dielectric fluid unit
iv - control unit
v - work pans
vi - dielectric fluid unit
iv - wire feeder
v - filter
vi - dielectric fluid unit
iv - control unit
v - filter
vi - xy axis mechanical unit
What is N & G
Sequence number
Dimension word
Preparatory function
Feedrate
Sequence number
Preparatory function
Feed rate
Miscellaneous function
What is XY & F
Dimension word
Feed rate
Dimension word
Miscellaneous function
Preparatory function
Feed rate
Sequence number
Feed rate
Which is complete ISO CNC program to cut the product using EDM wire cut
G01 X-10. Y0.
G01 X-10. Y20
G02 X10. Y20 I10. J6.63
G01 X-10. Y0.
G01 X-10. Y18.4
G01 X10. Y18.4 I10. J6.63
G01 X-10. Y0.
G01 X-10. Y18.4
G02 X10. Y18.4 I10. J6.63
G01 X-10. Y0.
G01 X-10. Y18.4
G02 X10. Y18.4 I10.
Factors in selection of dielectric type of EDM die sinking
flash point
dielectric strength
viscosity
thermal point
odor
block size
specific gravity
color
odor
erosion dept
erosion diameter
pulse duration
Methods to minimize tool electrode removal in EDM die sinking
pulse duration
pulse interval time
discharge current
erosion diameter
erosion depth
less removal rate
less electrode wear ratio
block size
color
odor
head axis
less removal ratio
less speed ratio
Component of EDM die sinking for preventive maintenance
filter cooler
oil filter
coil cooler
head, x&y axis
cylinder cooler
filter tape
z axis
bar support
coil oil
coil axis
function of dielectric fluid
insulates the workpiece
cooling the electrode and workpiece
make metal become hardener
filter the coil
