a full turning report for mechanical engineersFull description
Bengkel report Politeknik.
Centre lathe machine can be used to make required shapes of metal object by subject to various types of metal cutting operations. Turning is most common operation for the metal cutting. Lath…Full description
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Turning TorsoDeskripsi lengkap
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Details about CNC - Computer Numerical Control.Full description
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Struktur Bentang Lebar dan Bangunan Tinggi
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Struktur Bentang Lebar dan Bangunan TinggiDeskripsi lengkap
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INTRODUCTION CNC turning produces parts by "turning" rod material and feeding a cutting tool into the turning material. In CNC turning the cutter can be fed into the rotating workpiece at a variety of angles and many tool shapes can be used. CNC turning provides an economical way to make parts that are commonly symmetrical about an axis of revolution (e.g. a chess pawn). Shapes that can be made using CNC turning include a variety of plain, taper, contour, fillet and radius profiles plus threaded surfaces. Although many turned parts use a single axis of revolution, there can be multiple axis to allow more flexibility (e.g. camshafts). CNC turning can be combined with CNC milling and other processes to make more diverse shapes. CNC turning can shape most rigid materials such as: • • • • • • • • • • • • • • •
PROCEDURE OF CUTTING PROCESS OF WORKPIECE BY USING CNC TURNING MACHINE
Procedure To Start The CNC Turning Machine 1.
On main switch power.
2.
On main switch at the CNC machine.
3.
Release emergency stop button by rotating it .
4.
On display monitor (green button) and then wait until in ready. If not, when we convert the program, the program will lost.
Figure
5.
Press POS button (position).
6.
Press PROG button (program)
7.
Press ‘EDIT MODE’ ,then press DIR button (directory)
8.
Insert number and then press the arrow to look up for program. Then, press ‘PAGE’ button and all the program will display at the monitor. Insert the alphanumeric data, then press ‘EOB’( end of block) and then press the ‘INSERT’ button. Repeat this step until all data has been inserted.
9.
10.
Simulate the project base on inserted data by using the folloing step: - Press ‘RESET’ button - Press ‘AUTOMODE’ button - Press ‘GRAPH’ button outsie the monitor - Press ‘GRAPH’ button at the monitor - Press ‘OPRT’(operation) button at the monitor - Press ‘EXEC’(exercise) button at the monitor
Procedure To Clamp The Workpiece 1.
Figure
Press ‘CLAMP’ button and make sure that the workpiece is hold properly. Close the machine’s door
2.
Press the ‘MANUAL MODE’ to set the tool. Then press the ‘MDI MODE’. Insert the alphanumeric data from the start program until N40.
3.
On the monitor and then on the power. Make sure that the tool touch workpiece and then press the ‘MANUAL MODE’.
4.
Press ‘HANDLE Z’ button, then ‘HANDLE x100’ button then ‘HANDLE X’ button until the tool touch Z axis.
CLAMP BUTTON
MDI MODE
HANDLE X
MANUAL MODE
HANDLE X100
HANDLE Z
5.
When the tool has touch Z axis, press ‘OFFSET SETTING’ button. After press ‘OFFSET SETTING’ button, press ‘SETTING’ button follow by ‘OFFSET’ and ‘GEOMETRY’ button. Move the cursor to number 5 then insert the value of Z as Z0.0. Then press the measure button at the monitor.
OFFSET SETTING
6.
7.
Press ‘HANDLE Z’ follows by ‘HANDLE X’ until the tool touch the workpiece.
HANDLE X
HANDLE Z
Press ‘RESET’ button and then open the machine’s door. Measure the diameter of the workpiece using vernier caliper and then insert the value x using the reading value.
-VERNIER CALIPER-
Procedure To Cut The Workpiece 1.
Figure
Press ‘RESET’ button follow by ‘SINGLE BLOCK’ button. Then press the green button and off the ‘SINGLE BLOCK’button.
SINGLE BLOCK
GREEN BUTTON
2.
Press green button again and on the power, then cutting process start automatically. Get ready to press the ‘EMERGENCY BUTTON’ if any accident or problem occurs. Wait until the cutting process at finishing step.
3.
Off the power and press ‘MANUAL MODE’. Then open the machine’s door. Hold the workpiece and then press the ‘CLAMP’ button again to open the clamp.
CLAMP BUTTON
GREEN BUTTON (POWER)
Procedure To Off The Machine 1.
Press ‘EDIT MODE’ then press the red button. Push the ‘EMERGENCY STOP’ button
2.
Off the main switch at the machine followed by main power.
Figure
CONCLUSION
As a conclusion, I have learned a lot of things about this CNC turning machine. I knew how to handle this machine and its safety precautions. This machine is quite easy to handle and I very excited when handle it. This knowledge is very useful to me and I hope that I can apply it when I work one day.
