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Sunday, June 29, 2014

CNC Electric Discharge Machining (Die Sinker)

Introduction

Electric discharge machining (EDM) is process that uses electrical sparks to machine metals into desired shape. EDM is usually used for hard metals or those that would be difficult to machine with conventional techniques. Using Computer Numerical Control (CNC) technology, EDM process is made accurate and programming method can be simplified for effective production. This course focuses on EDM die sinker process where electrode is used to create cavity on the workpiece. Participants will have opportunity to learn the basics of CNC EDM die sinker process including operation method and programming.

Target Group

This course is suitable for persons from machining related industries for example machinist or machine operators who want to learn how to operate a CNC EDM die sinker machine. This course is also suitable for experienced personnel who wish to refresh their knowledge in EDM.

Prerequisites

This course is a basic-level course. Prior knowledge of CNC is not necessary to enroll in this course.

Objectives

Upon completion of the course, the participants should be able to:

            Use proper and safe procedure for operating a CNC EDM machine
      Write simple programs for EDM
            Determine appropriate machining conditions based on work piece or product requirement
      Determine proper tools for machining
           Test run program on an actual CNC EDM

Content

           The Basics
a.       Machining preparation & setup
b.      Method of clamping & confirming parallelism
c.       Operations during machining
d.      Configuration of portable operation panel
e.      Manual operation
           Operating using the main panel
a.       Basic functions
b.      Address keys & numeric symbols
c.       Machining status display areas
       Model plan menus
a.       Machining model plan
b.      Positioning model plan
c.       Measuring model plan 
d.      Auxiliary model plan
       Programming
a.       Program structure and format
b.      Using the Edit screen
c.       Programming input example
        Machining
a.       Electrode reduction
b.      Automatic machining operation
c.       Machining method
d.      Jump pattern and setting
e.      Model monitor screen
f.        Selection and use of model data
g.       Model plan applications
h.      G & M code explanation / examples

Training Method

Training will be delivered through short lecture, demo and practical lesson. The emphasis for this course is on hands on practical sessions.

Schedule

Day 1
08:30 a.m.           Registration
09:00 a.m.           Introduction / preparation & set-up for machining
10:30 a.m.           Break
11:00 a.m.           Operation with portable operation panel
01:00 p.m.          Lunch
02:15 p.m.          Model plan menus and explanations
05:00 p.m.          End of day 1.

Day 2
08:30 a.m.           Program structure & standard format
10:30 a.m.           Break
11:00 a.m.           Automatic machining operation
01:00 p.m.          Lunch
02:15 p.m.          Model plan applications / cutting
05:00 p.m.          End of day 2

Day 3
08:30 a.m.           G and M codes explanation and examples / project
10:30 a.m.           Break
11:00 a.m.           Cutting / Project
01:00 p.m.          Lunch
02:15 p.m.          Question & Answer
05:00 p.m.          Closing ceremony

Fees


Companies sending their employees to this course may apply for reimbursement from Human Resource Development Fund under the SBL scheme.
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2 comments:

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