hespj
08-24-2005, 06:08 AM
I had a problem with cutting (file just stopped a few lines in)so downloaded the latest version of the control software - 3.4.7.
This overcame the file stopping problem but the calibration was wrong - about 4x to big.
Looked in the manual and see that VU for all axes should be 1273.2395 on the Alpha. Typed these values in, typed SK and pressed the "down" arrow on keyboard and the Y carraige shot onto it's stop like a bullet. (The Y motor jumped off the rack and the spring stretched permanently. Had to shorten the turnbuckle to get the tensioner to work again).
Obviously 1273.2395 is not a good value despite being in the manual.
Holding the cursor over the VU fill in sheet shows the defaults to be 32340.283.
All this was on my laptop which I use with the ShopBot at present. Came back to the house and had a look on the desktop which has never been connected to the SB and still has the values it came with - 7.2184 for X & Y, and 36.0918 for Z.
All the above are with the software set for mm. Should I have set VU at the figure the manual gives whith the software set to inches? Why is the default so much bigger than the figure in the manual? Why was the software cutting 4x to big to start with? Confused.
I'd appreciate some advice before sending the carraige crashing into the end stops again. Thanks.
John
This overcame the file stopping problem but the calibration was wrong - about 4x to big.
Looked in the manual and see that VU for all axes should be 1273.2395 on the Alpha. Typed these values in, typed SK and pressed the "down" arrow on keyboard and the Y carraige shot onto it's stop like a bullet. (The Y motor jumped off the rack and the spring stretched permanently. Had to shorten the turnbuckle to get the tensioner to work again).
Obviously 1273.2395 is not a good value despite being in the manual.
Holding the cursor over the VU fill in sheet shows the defaults to be 32340.283.
All this was on my laptop which I use with the ShopBot at present. Came back to the house and had a look on the desktop which has never been connected to the SB and still has the values it came with - 7.2184 for X & Y, and 36.0918 for Z.
All the above are with the software set for mm. Should I have set VU at the figure the manual gives whith the software set to inches? Why is the default so much bigger than the figure in the manual? Why was the software cutting 4x to big to start with? Confused.
I'd appreciate some advice before sending the carraige crashing into the end stops again. Thanks.
John