mycnc:constant_velocity_mode_cv
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mycnc:constant_velocity_mode_cv [2017/09/09 16:33] – skirillov | mycnc:constant_velocity_mode_cv [2019/01/29 14:24] – skirillov | ||
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===== MyCNC Constant Velocity Mode (CV) ===== | ===== MyCNC Constant Velocity Mode (CV) ===== | ||
- | In classic "Exact Stop" mode CNC control Toolpath planner | + | In classic "Exact Stop" mode CNC control Toolpath planner |
- | For Constant Velocity (CV) mode Toolpath planner tries to make motion without stops. Figures below demonstrate Speed profile and Toolpath for **Exact Stop** and **CV Mode**. | + | For Constant Velocity (CV) mode Toolpath planner tries to make a motion without stops. Figures below demonstrate Speed profile and Toolpath for **Exact Stop** and **CV Mode**. |
{{ mycnc: | {{ mycnc: | ||
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Fig.2 CV Mode Toolpath and Speed profile example. | Fig.2 CV Mode Toolpath and Speed profile example. | ||
- | In CV Mode Control software Toolpath | + | In CV Mode Control software Toolpath |
{{ mycnc-configuration-motion-001.png? | {{ mycnc-configuration-motion-001.png? | ||
- | S-curve Speed profile is implemented in myCNC for CV-mode. It makes smooth motion for all axes and significantly reduce machine vibration, step loss and cutting time. | + | S-curve Speed profile is implemented in myCNC for CV-mode. It makes a smooth motion for all axes and significantly reduce machine vibration, step loss and cutting time. |
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+ | Here is a fixed time interval for S-curve transition from one command to another (" | ||
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+ | myCNC has a few settings to tune CV mode. | ||
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+ | * **CV tolerance, units** - Tolerance value | ||
+ | * **S-curve Smooth Filtering** - The Time interval, transition time between two interpolation commands where S-curve smoothing performed. | ||
+ | * **Look Ahead Break Angle.** - If an angle between 2 lines more than Break Angle, toolpath planner switches to **Exact Stop** mode - follows the toolpath exactly with deceleration, | ||
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mycnc/constant_velocity_mode_cv.txt · Last modified: 2019/06/21 12:52 by skirillov