Sunday, January 6, 2019

CNC Programming Using Fanuc Custom Macro B

File Size: 23.63 mb

Due to excellent accuracy, repeatability, and several other unparalleled and exotic features, computer numerical control (CNC) machines have now virtually completely replaced manual machines in the manufacturing industry. Even small manufacturing units are now using CNC machines because these prove to be cheaper in the long run. In fact, "why CNC?" is not at all a topic of discussion these days!

CNC machines with recently introduced macro programming features have become so powerful that not using the macro features is like using the latest mobile handset only for exchanging voice
messages. Unfortunately, there is a lack of adequately trained personnel in this area. The main reason is that because this is an industry-oriented subject, engineering colleges / polytechnics do not deal with it in sufficient detail. Even the commercial CNC training schools generally provide only basic CNC training, and the few training school that do provide advanced training charge exorbitantly. The worst part is that, because of professional competition, people are generally unwilling to share their knowledge with their colleagues; in such a scenario, it is difficult to learn macro programming, which is often rightly described as the best kept secret of CNC.

1. Introduction
2. Variables and Expressions
3. Types of Variables
4. Macro Functions
5. Branches and Loops
6. Review of Subprograms
7. Macro Call
8. Complex Motion Generation
9. Parametric Programming
10. Custom Canned Cycles
11. Probing
12. Communication with External Devices
13. Programmable Data Input
Appendix A. List of Complex Macros
Appendix B. List of Parameters

Author Details
"S. K. Sinha" earned his Ph.D. in mechanical engineering from Indian Institute of Technology, Kanpur in 1993. He has 20 years of teaching/ industrial experience and has been working in the CNC area for the past 12 years. He has also authored a book on basic programming techniques for Fanuc Oi series controls, CNC Programming, 8th edition, published by Galgotia Publications Pvt. Ltd., New Delhi, India.

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