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Changing from SP25 to TP20

jwhitmon0001
Just as the title says, I am wanting to swap from our current setup to the TP20.

This morning I removed the SP25 scanning setup and placed on the TP20. After I did this, I was unable to get the CMM to move. Spoke to Renishaw and they said I need blanks to go on the end of the multiwire on the probe head? I'm not sure what I am needing to do.

Equipment used currently - PH10QM/SP25M/SP25-2 = PHC10-2 Probe Head Controller. PCDMIS 2020R1

Any input would be appreciated.
  • I'm not sure what they are talking about. I have a PH10MQ and I can remove the SP25 and put the quick-change-to-8mm thread unit on and put the TP20 in it.
  • Do you have to restart pcdmis to do this? OR change any settings? I did exactly what you described and the CMM shuts down immediately. Machine start via controller, hit play and then shuts back off.
  • in reply to jwhitmon0001
    the only thing I have to do is run a program (since I don't have a rack system). Program starts with ANY probe (of the type currently loaded), in your case the scanner probe. Then do a loadprobe command of the TP20 probe (doesn't matter which one, just needs to be a TP20 build). THEN it prompts you to hit the e-stop, you change the probe to the TP20, reset the e-stop, good to go: 

    LOADPROBE/000-SP25-3X21
            TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
            FORMAT/TEXT,OPTIONS, ,HEADINGS,SYMBOLS, ;NOM,TOL,MEAS,DEV,OUTTOL, , 
            PROBECOM/ON
            LOADPROBE/000-TP20
            COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            HIT E-STOP BUTTON ON JOGBOX
            CHANGE TO TP20 PROBE BODY
            RELEASE E-STOP BUTTON
            PRESS MACHINE START BUTTON
            TIP/T1A0B0, SHANKIJK=0, 0, 1, ANGLE=0
            COMMENT/OPER,NO,FULL SCREEN=NO,AUTO-CONTINUE=NO,
            make sure probe is enabled


    Reverse it to go from TP20 to scanner
  • Do you have to restart pcdmis to do this? OR change any settings? I did exactly what you described and the CMM shuts down immediately. Machine start via controller, hit play and then shuts back off.


    I was able to get the CMM to accept that it was on there and move, but now it's not registering any hits. Did I miss something?

    I'm currently trying to calibrate the 1st probe but when I touch the sphere.... nothing.
  • I don't know what's going on with your machine, I do exactly what does and it works for me. I can switch back and forth between a TP20 and our HP-S-X1H scanning head in the middle of programs. All of our machines have TP20s, but one of them came with a scanning head, then we bought a TP20 setup for it because I didn't want to have to create 2 different versions of every program just to use that machine. We don't use the scanning head very often, mainly for reverse engineering or very tight tolerances- pretty much when we need to be as accurate as possible.
  • I don't know what's going on with your machine, I do exactly what does and it works for me. I can switch back and forth between a TP20 and our HP-S-X1H scanning head in the middle of programs. All of our machines have TP20s, but one of them came with a scanning head, then we bought a TP20 setup for it because I didn't want to have to create 2 different versions of every program just to use that machine. We don't use the scanning head very often, mainly for reverse engineering or very tight tolerances- pretty much when we need to be as accurate as possible.


    I spoke with Renishaw today and they said I need a plug blank to go on my multi wire at the probe head? I used the information from the previous post to swap out that way and I can get the Cmm to move without error, but it will not register hits. Possible bad TP20 body?

    I am going to look for another spare to try to try and rule that out.
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