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Subject: Re: Brother CNC Post Processor
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Date: 02/02/02 at 6:00 AM
Posted by: Stephen Bebbington
In Reply to: Re: Brother CNC Post Processor posted by Jack C. Cain on 01/29/02 at 10:29 AM:
Thanks for your reply,. In answer to your questions our Brother machine is a CNC drill, mill and tapping centre with a 10 station turret type tool changer. We use our EZ-CAM to generate code for our Bridgeport machines which have BOSS (1 machine) and Heidenhain (4 machines) controls although the post processors can be configured to support many control formats. Brothers own control system is a conversational one where for instance you might whish to produce a pattern of tapped holes in a component then at the control you would program 6 x M6 thru holes on 75 pcd, from this the control would select a centre drill, drill and tap from its tools database i.e you dont need to program each tool separately. The main problem I had was that to program milling cutters where "motion programming" is selected from the conversational control menu. Motion programming allows the user to move the machine by position (rapid) and cutting (feed) without refering to the machines database for speed and feeds or tool selection. Motion programming effectivly means long hand programming by entering X Y and Z coordinates which could involve lengthy calculations when generating complicated profiles. Hence I wished to use our EZ-CAM (where I have over 3000 programs stored) for generating motion commands for the Brother. Since I posted my message I have been able to do further work and am pleased to say that I have written a post processor which will write code that is understood by the Brother control. There are still one or two minor inconveniences but I am able to produce milling cutter profiles quickly and accurately which was my main objective. Thanks again for your offer of assistance. If you have any further questions I would be happy to answer them.
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