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IndustryArena Forum > CAM Software > Vectric > PhotoVCarve and VCarve Pro > V Carve Pro unwanted ramps on slots
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  1. #1
    Join Date
    Sep 2017
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    33

    V Carve Pro unwanted ramps on slots

    Hi

    Im having trouble cutting slots in V Carve pro.

    When I cut a simple L shaped slot, it plunges ok, but when it gets to the end, instead of leaving the slot squarely upwards, it ramps on exit

    I'm using the 'Profile Toolpath' option to cut the slot with a 6mm mill bit. I can see no option to adjust this.

    How do I get it to leave the cut slot with out ramping up?

  2. #2
    Join Date
    Mar 2003
    Posts
    35538

    Re: V Carve Pro unwanted ramps on slots

    Is the ramp actually in the g-code, or is your controller causing the ramp?
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Sep 2017
    Posts
    33

    Re: V Carve Pro unwanted ramps on slots

    Quote Originally Posted by ger21 View Post
    Is the ramp actually in the g-code, or is your controller causing the ramp?

    I'm not sure. From the 3D preview it looks like its cutting normal. There doesn't seem to be an option in v-carve tool path options for anything which would cause it as its all greyed out as the slot is a simple procedure.

    In 'Toolpath Options', is 'Profile toolpath' (the 1st option) the correct one to use for this type of cut?

  4. #4
    Join Date
    Mar 2003
    Posts
    35538

    Re: V Carve Pro unwanted ramps on slots

    My guess is that your controller is doing it. What are you controlling the machine with?
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  5. #5
    Join Date
    Sep 2017
    Posts
    33

    Re: V Carve Pro unwanted ramps on slots

    Quote Originally Posted by ger21 View Post
    My guess is that your controller is doing it. What are you controlling the machine with?
    I have MACH3 running on laptop, I'm not sure what the controller box is called. Everything else is running fine. It cuts voids, shapes spot on. But on a one way a - b slot, it ramps as it leaves the slot. (not stop and go upwards motion).

  6. #6
    Join Date
    Mar 2003
    Posts
    35538

    Re: V Carve Pro unwanted ramps on slots

    What is your Z axis acceleration set to in Mach3? Increasing it will probably fix the issue.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  7. #7
    Join Date
    Sep 2017
    Posts
    33

    Re: V Carve Pro unwanted ramps on slots

    Quote Originally Posted by ger21 View Post
    What is your Z axis acceleration set to in Mach3? Increasing it will probably fix the issue.
    Here are the Z Axis settings and final G-Code:

  8. #8
    Join Date
    Mar 2003
    Posts
    35538

    Re: V Carve Pro unwanted ramps on slots

    Go into Config >General Config, and check the box "Stop CV on angles>" and set it to 89.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  9. #9
    Join Date
    Sep 2017
    Posts
    33

    Re: V Carve Pro unwanted ramps on slots

    Quote Originally Posted by ger21 View Post
    Go into Config >General Config, and check the box "Stop CV on angles>" and set it to 89.
    Thanks. I'll give that a try tomorrow. Does the info I provided suggest that will work?

  10. #10
    Join Date
    Sep 2017
    Posts
    33

    Re: V Carve Pro unwanted ramps on slots

    Quote Originally Posted by ger21 View Post
    Go into Config >General Config, and check the box "Stop CV on angles>" and set it to 89.
    Thank you very much.

    Problem sorted!

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