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Marv Frankel wrote: Well, there is an optimum feedrate, that varies depending on material and the particular way the end of the cutter is fashioned, that makes for the best cuts. It is the center of

Doug, All of my designs are for moving tables. I have built a gantry machine, but was never able to totally eliminate racking of the gantry. At least I am now aware of what it causes the problem. Bob

tom@... writes: Incorrect!

Swapping A & B will reverse the direction, but that is it. Is it bad on all axis? What is the environment you are testing in? is it possible you are getting noise on the line? Do your encoders have

I've found that 4-flute drill oversize and 2-flute are dead-nuts accurate. c --- turbulatordude <davemucha@...> wrote: __________________________________________________ Do you Yahoo!? Y! Web

echnidna@... writes: Not exactly correct! But too O.T. for me to "go INTO it" here.

I use Pro/E for my job and have a license at home as well (floating) so no CAD program needed or do I really want to learn a new one, LOL I really just wanted the CAM software. Thanks for the feedback

That sounds interesting, could you post your files to the files section to share with us all? Thanks.

Tim, You can also connect a full bridge rectifier across the end wires and get the following: 1) +42V and -42V (ground the centertap). 2) +42V and +84V (ground the "-" end of the bridge; the center

This discussion on hole drilling is about machining and not about the subjects of the list, so please drop it. Any questions or arguments direct to me off list. bill List Mom Or take it off list or

Guys, For those that I sent the drawing file of Corey Renner's motor mount, I got permission from him to share the photos and drawing of that project. Check them out at:

Hi, If I remember correctly, 2 flute are typically on or oversize and 4 flute are always undersize. Dave

Hi Dean, what software ?? Dave

For the purposes of this discussion I will declare the length of the table as X and the length of the gantry as Y. To make the single side drive work we must abandon the idea of a gantry as a beam and

Hi Marvin: Aluminum extrusion is gummy, shitty material to try to cut. You need excellent chip evacuation and flood cooling to have success. Try a smaller drill to clear the center and then plunge

Hi all, Thought I'd add my 2 cents here. Drilling holes is probably more than 60-70% of machining, and we all do it all the time. Trouble it that it is so easy we may have started on drilling without

<snip> You want a simple two diode full wave rectifier setup. The center tap becomes ground. Take two diodes and connect the anode end of one diode to each end of the winding; tie the cathodes (bar

I went for the offer and recieved my program a week ago. As mentioned, there is no cam module included. However, for a general cad solution this is a very powerful program for the price! I have older

from one missing Tim: Elecronically there is little difference between a full winding, bridge rectifier and a center-tapped dual diode approach. Just connect it up as shown in the ASCII schematic. In

I got the board address problem fixed by just installing in another computer. There is some kind of input comming in but it is erratic and not working properly. I have tried a couple of encoders and