Re: [CAD_CAM_EDM_DRO] recommendation for machine

Hello, Such a CNC machine could be built. It would require an upper and lower punch die electric/hydraulically operated. It would require a machine that resembles a jig saw with a deep throat of much heavier construction. Instead of a blade mount the upper and lower punch dies with hydraulic cylinder actuation preferably above. Instead of a table have a box frame that would travel in X and Y via servos that would accept different size panels/workpieces mounted at the same elevation as the lower die.

Mach2 would control such a machine with Bob Campbells board. To trigger the punch simply use M-codes in the part program and use the accessory outs to control 4 seperate punches during the same operation. Meaning 4 punch/hydraulic assemblies mounted above and below. 4 different size holes during the same run. It would be a bit of trouble to program with four different punches as most CNC softwares recognize only one Z axis. With one punch it would be simple to program.

I could build a machine like this if you are interested E-mail me: rogersmach@...

Ron







c123666 <c123666@...> wrote:


Hello,

I am new to this group and not a machinist but an accountant who is a
partner in a small venture to manufacture a limited production of
rather expensive tube amplifiers. After pricing out having chassis
built by a CNC shop we have decided to investigate acquiring our own
equipment to get the job done.

Our basic requirements are that we need to perform very accurate and
clean drilling/punching/milling operations on a maximum sized 18" x
14" sheet metal (copper, aluminum, stainless steel) with a max
thickness of 0.090".

The maximum hole sizes we need to cleanly cut/drill/punch are 2.75".

We would like to know if such a machine exists that can be had for not
a small fortune that require a hangar for room!

I"ve attached an Autocad file with samples of the drawings of the
chassis if anyone is interested. All help is appreciated.

Regards,

Carl






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