See also Rack-Pinion dialog-box
A Rack is a Linear-Gear that engages with a Pinion, which is a Circular-Gear. The Rack-Pinion pair converts linear to angular motion, or rotary to linear motion. The linear motion of the Rack is directly related to the angular motion of the Pinion.
A Ball-Screw is a device that converts rotary motion of a screw to linear motion of a nut.
You can use the Rack-Pinion dialog-box to convert a Rack-Pinion to a Ball-Screw.
To add the Ball-Screw, you must first add the Rack-Pinion. Then use the Rack-Pinion dialog-box to change the Rack-Pinion to a Ball-Screw.
You must prepare two elements before you can do Add Rack-Pinion. The two elements are Lines (or CAD-Lines) that are in two different Parts. The two Lines must be joined to a different Part with a Pin-Joint or a Slide-Joint. Line 1: a child to a Green Part - the Driving-Part. The Driving-Part becomes the Pinion if it is a rotating-Part, or the Rack if it is a sliding-Part Line 2: a child to a Blue Part - the Driven-Part. The Driven-Part becomes the Rack if it is a sliding-Part, or the Pinion if it is a rotating-Part |
Machine Elements Toolbar : Add Rack-Pinion (Ball-Screw) |
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Menu : |
Add menu > Mechanism sub-menu > Add Rack-Pinion (Ball-Screw) |
Edit Rack-Pinion : |
If required, use this dialog-box to convert the Rack-Pinion to a Ball-Screw. |
PREPARATION: Driving-Pinion + Driven Rack.
Note:
Add Rack-Pinion
- or -
The Command-Manager has two selection-boxes. Select the two Line elements:
The Rack-Pinion is in the Assembly-Tree and Graphic-Area. Note:
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PREPARATION: Driving Rack + Driven-Pinion.
Note:
Add Rack-Pinion: command
- or -
The Command-Manager now has two selection-boxes. You must select the two Line elements:
The Rack-Pinion is in the Assembly-Tree and Graphic-Area. Note:
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