Re: [CAD_CAM_EDM_DRO] CAM Software and Hardware

Are you sure the steppers are correctly connected? Incorrect phasing can
make some steperrs creep very slowly when commanded at reasonable speed.

Regards Peter

----- Original Message -----
From: "zorad2762" <bmdawn@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, June 27, 2002 10:40 PM
Subject: [CAD_CAM_EDM_DRO] CAM Software and Hardware


> I recently hooked my Sherline up for CNC with hopes of doing amazing
> things with it and have been pretty disappointed thus far. The
> steppers only run about one revolution per second at best, which, if
> my math is correct, is about 1 inch per 20 seconds. Even at that
> rate they are not smooth and jerk terribly. The software doesn't do
> what I would think are basic necessaties. For example I would really
> like to be able to do some sort of looping so I could just change one
> axis of a cut and do it over and over to achieve the desired cut
> depth or distance. Current method is write the first path then cut
> and paste then go back and change the moving axis for each path.
> Tedious and creates a potential for failure. Also, although it says
> it does cutter radius compensation I can't seem to figure it out. I
> have scoured the internet for info on CNC programming and suprisingly
> I find very little. I am a computer geek by trade and have a strong
> mechanical, electrical, drafting, CAD, and programming background but
> this is kicking my bu#@.
> Sadly thus far my CNC milling has been reduced to very slow running
> of extremely simple tasks. Basically letting it do the same simple
> routine over and over so I don't have to turn the cranks but
> certainly not doing anything 'elegant'.
> In reading some of the emails in this group I have a feeling my
> configuration my be unique or I am doing something wrong as I'm
> seeing people boast of unbelievable speeds and some pretty impressive
> accomplishments. Do I need to scratch my purchased $1000 package
> config and follow a proven homebuilders recipe?
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> OFF Topic POSTS: General Machining
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you have trouble.
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> http://groups.yahoo.com/group/jobshophomeshop I consider this as a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
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