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Acceleration parameters

2000 vintage Mistral 775 / PcDmis V4.2 MR1
This CMM accelerates veeeerrrry slowly, & I think maybe someone has been tinkering with some of the machine parameters.
QUESTION 1 - Under F10, Acceleration, the Maximum Acceleration values are X=0, Y=0, Z=0. Is this correct for this CMM?
QUESTION 2 - Are there other settings I should be looking at?
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  • We too have had issues with speed on our Global. Its one of the fastest machines B&S makes but when the tech looked at our accel settings, we too found them at 175 across the board. Found out the max acceleration rating for this machine was around 1500. Machine moves MUCH better now.


    According to every quote I have received (Sept 2010 thru Feb 2012), the 5.X.X thru 9.X.X Global Advantages have a maximum 3D speed of 866mm/s, and a maximum 3D acceleration of 4300mm/s2. Basically, this means maximum speed for each axis is 500mm/s, and maximum acceleration is 2500mm/s2. The difference between 1500mm/s2 and 2500mm/s2 is not going to be very noticeable, you'll just get to your max speed in a slightly smaller fraction of a second.

    Also, the Renishaw SP80, and Leitz LSP-X1c, -X3c, and X5 are specified to have a max 3D accelleration of 800mm/s2, which equates to 460mm/s2 for each axis (may only apply to 12.X.X and up, trying to find confirmation.) As far as I know, all your common probes (TP20, TP200, SP25) can go as fast as you can push them without false triggering. Check their spec sheets if you're unsure.

    Edit: Are you running a Global Advantage, or a Classic or Performance?

    how can i check what mine should be? in-case it can be sped up?


    Unfortunately, I don't have specs for the Mistral. I would recommend calling applications at your local Hexagon or distributor office. Unless someone else can chime in?
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  • We too have had issues with speed on our Global. Its one of the fastest machines B&S makes but when the tech looked at our accel settings, we too found them at 175 across the board. Found out the max acceleration rating for this machine was around 1500. Machine moves MUCH better now.


    According to every quote I have received (Sept 2010 thru Feb 2012), the 5.X.X thru 9.X.X Global Advantages have a maximum 3D speed of 866mm/s, and a maximum 3D acceleration of 4300mm/s2. Basically, this means maximum speed for each axis is 500mm/s, and maximum acceleration is 2500mm/s2. The difference between 1500mm/s2 and 2500mm/s2 is not going to be very noticeable, you'll just get to your max speed in a slightly smaller fraction of a second.

    Also, the Renishaw SP80, and Leitz LSP-X1c, -X3c, and X5 are specified to have a max 3D accelleration of 800mm/s2, which equates to 460mm/s2 for each axis (may only apply to 12.X.X and up, trying to find confirmation.) As far as I know, all your common probes (TP20, TP200, SP25) can go as fast as you can push them without false triggering. Check their spec sheets if you're unsure.

    Edit: Are you running a Global Advantage, or a Classic or Performance?

    how can i check what mine should be? in-case it can be sped up?


    Unfortunately, I don't have specs for the Mistral. I would recommend calling applications at your local Hexagon or distributor office. Unless someone else can chime in?
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