Motion Control Technology
Lynton Manufacturing Service
The ‘Modular Approach’ is not a new revolutionary design concept, on the contrary, the 3 modules referred to in this project are the fundamental elements of all C.N.C machines. In some systems complex interfacings make these modules highly dependent on one another. For this project it was important that each module retained its independence. This approach makes the construction and maintenance of the system much easier, and offers a huge cost advantage by allowing a wide range of affordable equipment (encoders,motors,and amps) to be mixed and matched. Each module added must improve the machines capabilities . Fitting a D.R.O helps with manual operation of the machine, and Installing variable speed power feeds to each axis improves the machines productivity. Both of the above modifications can be justified on their own merits. They are also the 2 basic ‘Modules’ required when converting a machine to C.N.C. Control. This project will refer to them as the INPUT & OUTPUT modules based on the polarity of their signals with reference to the interface board. The input module (module 1) sends positional feedback data to the control module (module 3) and the output module (module 2) receives +/- 10 volt analogue commands to drive the axis power feeds. (View system schematic )
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