Messages

151

General Mach Discussion / Re: How to setup the parameters in VFD for spindle

« on: November 21, 2014, 05:30:50 PM »

I would try the 1.5kw VFD first before spending money on a new 2.2kw drive. Unless you are planning to run the motor at 100% output under a heavy load you probably won't see any difference between the two drives.

152

General Mach Discussion / Re: How to setup the parameters in VFD for spindle

« on: November 21, 2014, 02:43:01 PM »

Chances are you won't need the full 1.5kw VFD output (approx 6 amps@400hz,3ph,230v) unless you are taking heavy cuts with a large cutter and high feed rates so the motor kw or HP difference between 1.5kw and 2.2kw is a moot point. The worst thing that will happen is stalling the motor. You can watch the motor amps on the VFD display.  Also be aware the all cheap Chinese VFD's operates in V/F (volts to frequency) mode which means as the output frequency is reduced, i.e speed control, the output voltage is reduced which affects motor torque. High quality industrial VFD's such as Toshiba and Siemens can run in vector mode to eliminate this problem.

153

General Mach Discussion / Re: How to setup the parameters in VFD for spindle

« on: November 20, 2014, 09:56:52 PM »

A 1.5kw VFD will run a 2.2kw motor although the motor won't develop full torque and HP if needed.

154

General Mach Discussion / Re: No output signals from Mach3 to CNC device?

« on: November 19, 2014, 09:15:16 PM »

Mach 3 will run on a 64 bit system if you use XP compatible mode. Been there done it. 

155

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 19, 2014, 12:34:42 PM »

Hood
Yes you are correct. I remembered something after my last posting I ran across quite awhile back before I started using Aspire. I purchased Newfangled Solutions Mill Wizard stand alone program and ran into the same problem with unwanted circles showing up. I believe there is some postings on this in the Mill Wizard section of this forum. Long story short... the program was so problematic and buggy I stopped using it and completely removed it from the pc.      

156

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 19, 2014, 10:49:07 AM »

At this point it's safe to assume you have two different G-code files. One with a G90 command and the other with a G91.1 command. The screen shot clearly shows a G90 yet the xml file you posted has a G91.1 on line#110. If I read your posting correctly... to further compound the problem you are using two different computers running Mach 3. Like Hood I loaded the posted xml file on my machine and it's fine. No circles. I would do a complete clean Mach 3 reinstall on the cnc PC. Use Mach ver 062. Do not use ver .066 it had problems. Sometimes profiles can get corrupted and do strange things. Then only use V-Carve to generate the G-code files. I have Aspire on my windows 7 pro machine and xp machine running my cnc. I transfer files via a stick and never had a problem. I know from experience Aspire and V-Carve will do strange things with a G90 command.      

157

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 18, 2014, 09:08:16 PM »

Sorry... I mean a G91.1 not G91.

158

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 18, 2014, 09:02:31 PM »

I just opened the txt file... you are using V-carve. I see a possible problem... your screen shot has a "G90" setting (screen shot upper right hand side Mill-->) in it. The text file you attached should set a G91 (see line #110). Aspire and V-carve need a G91 setting for JI mode and should override the Mach default setting of G90 when loading a txt file. Something is overriding the V-Carve G91 and switching back to G90. Make sure the JI in Mach conf menu is set for "Inc" not "Absolute".

What version of Mach 3 are you using?

159

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 18, 2014, 08:37:25 PM »

What software program are you using to create the G-code file? Can you provide a screen shot of the "PROGRAM RUN" as well.

160

General Mach Discussion / Re: bought software, tried circle wizard, now all i get is circles,

« on: November 17, 2014, 06:09:25 PM »

Are you using the right post processor for your machine?