CNC Programming using Fanuc Custom Macro B 1st Edition, by S.K Sinha pdf.
CNC Programming using Fanuc Custom Macro B 1st Edition, by S.K Sinha | Engineering Books.
Preface of CNC Programming using Fanuc Custom Macro B 1st Edition, by S.K Sinha pdf:
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.
The root cause of hindrance in learning macro programming is the lack of suitable books in this area. Even the manuals which come with the machines do not serve the purpose because, though these do describe all the features of the language, these are actually reference books not written in a textbook sfyle. As a result, while these are good for getting detailed information about some specific programming feature, one cannot really learn the language in a systematic manner from them. What is required is a text with stepby-step instructions, starting from the very basic principles and gradually proceeding further in order of complexity. This was the prime motivation for the present book. It is a self-sufficient text, designed to be read from beginning until the end, in chapter sequence. No external help, in the form of any other book or an instructor, would be needed. One can learn simply by self-study.
The present text specifically deals with the Fanuc version of macro programming language called Custom Macro B (Custom Macro A is outdated and no longer used), with reference to Oi series controls. Though the language is the same on all control versions of Fanuc (as well as on Fanuc-compatible controls), some of the system variables and control parameters differ on different control versions.
Therefore, one would need to verify these from the respective machine manuals and make necessary changes wherever required.
Finally, note that though every care has been taken to ensure that the programs given in the text are error free and work as intended, neither the author nor the publisher assumes any responsibility for any inadvertent error that might have crept in. As a rule of thumb, one should always check the simulation of a new program before actual execution. Suggestions for further improvement would be gratefully
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