Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
UNIVERSITI MALAYSIA PERLIS SCHOOL OF MANUFACTURING
ENGINEERING
CNC EDM WIRE CUT
MACHINE
ADVANCED MANUFACTURING
TECHNOLOGY -EPT 311
GROUP :
DATE OF EXPERIMENT :
GROUP MEMBER’S NAME :
LAB 4
FAKULTI TEKNOLOGI KEJURUTERAAN
II - DPT 311
Advanced Machining TechnologyDPT 311
Faculty of Engineering Technology2014
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 2 of 11
Standard Operation Procedures
For EDM Wire Cut
No. Sub No. Instruction Picture
1.0 - Powering UP Machine
EDM Wire Cut
1.1 Switch On Main Power Supply. Note: Turn Anti Clockwise
1.2 Switch On Machine Main Switch Note: Turn Clockwise
1.3 Press SOURCE [ON] Button Note: Wait for several minutes.
1.4 Press POWER [ON] Button
2.0 - Home Position
2.1
Press [ENT] Button Note: Make sure that Z, X, Y, U and V sign
is correct.
2.2 Press [MOVE] at Screen
Z +
X –
Y –
U –
V -
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 3 of 11
No. Sub No. Instruction Picture
2.3 Change Coord. system from 54 to 55
2.4
Press [U] and [V] at Screen
2.5 Press [ENT] Button Note: The Top part and the Bottom part are
now aligned.
3.0 - Threading Wire
3.1 Press [Z -] until the height between top
and bottom part are within 8cm ~ 15cm.
3.2 Press Threading II Button
4.0 - Using Heart NC
4.1 Press the [Q vic] at Screen {Right} 3
4.2 Press [Heart NC] at Screen {Right}
4.3 Press [Heart NC] at Screen {Center}
4.4 Press [Second Lines] at Screen
{Bottom}
4.4.1 To draw Horizontal Line
Press [X-Axis Paral Ln] at Screen
4.4.2 To draw Vertical Line
Press [Y-Axis Paral Ln] at Screen
4.4.3 To draw Circle
Press [C + R Circ] at Screen
4.4.4
To place Line/Circle at specific
location, input X and Y coordinate.
For example -10.0,-10.0 Note: Unit is in mm
8 ~ 15
cm
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 4 of 11
No. Sub No. Instruction Picture
4.5
a) First, draw the Material Area. Note: Make sure the Origin must be on
the Top Left of your material area.
b) Draw a box with length and width are
20mm each.
c) Draw 4 circles on each edge of the
box. The circle radius is 3mm. Hint: X-Line [0.0 and -30.0].
Y-Line [0.0 and 30.0].
Press [FIT] button.
4.6 Once the drawing is completed. Press
[Drawing Lines] at Screen {Bottom}
4.7 Press [Overdraw] at Screen {Center}
4.8
a) Click on the cutting path. Note: You will see the white line.
b) Complete the cutting path by
following the drawing that you just
created. Complete the Loop.
4.9 Once completed, Press [Wire Cut Defs]
at Screen {Bottom}
4.10
Press [Punch] button on Screen. Note: a) [Die], cutting wire will cut
from inside
b) [Punch], cutting wire will
cut from outside.
4.11
a) Definition Parameters dialog box is
displayed on Screen.
b) Click [OK]
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 5 of 11
4.12
a) Condition Search dialog box is
displayed on Screen.
b) Mach. Fluid => Water
c) Wire Diameter => 0.25
d) Wire Material => Brass
e) Work => Steel
f) Thickness => 5.0
g) Mach. => Punch
h) Nozzle Possition => Open-U
i) 1Cond. Number => 1 Time
j) Finally, Click [Find (F)]
4.13
a) “Click on shape from which path is to
be generated” dialog box is displayed
on Screen.
b) Click the White Line. Note: Once clicked, the white line
turns purple.
4.14
a) “Click on the starting point direction
of shape” dialog box is displayed
on Screen.
b) Input location [-5.0,-15.0] at the input
coordinate box.
c) “Approach Element” dialog box is
displayed on Screen.
b) Click at the center of the white line. Note: The line will change color to
yellow.
4.15 Press [Confirm]
4.16 Press [End Comm]
4.17 a) Press [Gen NC Data]
b) Input File name.
4.18 Press [OK]
4.19 Press [OK]
4.20 a) Press [to NC]
b) Press [Don’t Save]
5.0 - Setting Up Graphics Cutting Path
5.1 Press [Edit]
5.2 Press [Load]
No. Sub No. Instruction Picture
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 6 of 11
No. Sub No. Instruction Picture
5.3 Select [File Name] Note: Your File Name.
-
5.4 Press [OK] -
5.5 Press [Graphics] at Screen {Side} -
5.6 Select [3D]
5.7 Set No. Contour = 50
5.8 Press [Draw]
5.9 Press [Save] -
6.0 - Material Set Up
6.1 a) Place the Material on the Base.
b) Use ‘L’ to align the Material
6.2 a) Place the Clamp.
b) Place the Spacer.
6.3 Place and tight the Bolt using Allen Key
size 6mm.
7.0 - Setting Material Origin
7.1 Press [Manual] -
7.2 Press [Appr. Face] -
7.3 Press [1 Axis] -
7.4 Press [X] -
7.5 Input [Wire Diameter] = 0.25 -
7.6 Input [Inverted Value] = 1.0 -
7.7 Click [ABS] -
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 7 of 11
No. Sub No. Instruction Picture
7.8 Press [ON] on [Coord. 0 Set] -
7.9 Move the wire close to the edge of the
material in X-axis. -
7.10 Press [ENT]
7.11 Press [Appr. Face] -
7.12 Press [1 Axis] -
7.13 Press [Y] than press [-] -
7.14 Input [Wire Diameter] = 0.25 -
7.15 Input [Inverted Value] = 1.0 -
7.16 Click [ABS] -
7.17 Press [ON] on [Coord. 0 Set] -
7.18 Move the wire close to the edge of the
material in Y-axis. -
7.19 Press [ENT]
7.20
a) Press [Move]
b) Press [X], Input value = -10.0
c) Press [Y], Input value = 10.0
d) Press [ENT]
-
8.0 - Start Cutting
8.1 Press [Z-] until the gap between Top
part and material between 2 ~ 3 mm. -
8.2
a) Press [Move]
b) Press [X], Input value = -5.0
c) Press [Y], Input value = -15.0
d) Press [ENT]
-
8.3 Press [RUN] at Screen {side}
8.4 Click [Home] at keyboard -
8.5 Press [ENT] -
9.0 - Colleting Finish Part
9.0 Cut the Wire by Pressing [I Cut] button.
9.1 Press [Z-] until the gap between Top
part and material between 15 ~ 20 mm. -
9.2
Press [X] and Press [Y] to move the
bottom part from away from the work
piece.
-
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 8 of 11
No. Sub No. Instruction Picture
9.3 Collect your finish product.
9.4 Remove the work piece.
10.0 - Shutting Down Machine
10.1 Press POWER [OFF] Button
10.2 Press SOURCE [OFF] Button Note: Wait for several minutes.
10.3 Switch Off Machine Main Switch Note: Turn Anti Clockwise
10.4 Switch Off Main Power Supply. Note: Turn Clockwise
11.0 - Machine Cleaning
11.1 Take the Air Gun
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 9 of 11
No. Sub No. Instruction Picture
11.2 Open the air valve.
11.3 Spray the Air Gun to dry the machine
12.4 Roll back the Air Gun -
Answer all the questions below:
1. Describe briefly the working principle of CNC EDM Wire Cut Machine. [5 marks]
[How machine CNC EDM Wire Cut Machine works?]
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 10 of 11
2. What is the wire diameter size used at the EDM Wire Cut? [1 mark]
3. What is the material of the wire used at the EDM Wire Cut? [1 mark]
4. What is the maximum workpiece size [Width x Length x Height] that can be machined at
the EDM Wire Cut? [1 marks]
5. What do you understand about dielectric medium used in the EDM Wire Cut? [2 marks]
6. Give 3 examples of material that can be cut using EDM wire Cut. [1.5 marks]
7. Give 3 examples of material that cannot be cut using EDM wire Cut. [1.5 marks]
Advanced Manufacturing Technology School of Manufacturing
EPT 311 2010
Page 11 of 11
8. Explain briefly why those materials [answers for question no. 7] cannot be cut using EDM
Wire Cut? [2 marks]
9. Why does the water in the EDM Wire Cut machine need to be filtered? [2 marks]
10. Why you need to used a ‘spacer’ during setting up the workpiece at the EDM Wire Cut?
[1 marks]
TOTAL MARKS: 18 MARKS
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