How do you make a helical gear in AutoCAD?

How do you make a helical gear?

DESIGN PROCEDURE FOR HELICAL GEAR:

1. Calculation of gear ratio (i): where, NA and NB = speed of the driver and driven respectively, and ZA and ZB = Number of teeth on driver and driven respectively.
2. Calculate b, d1, v and ѱp : …
3. Selection of quality of gear: …
4. Revision of design torque [Mt]: Revise K: …
5. Check for bending:

How do you make a 3d spur gear in AutoCAD?

Tutorial – Making spur gear in AutoCAD?

1. Start AutoCAD.
2. Make 2 circles.
3. Make the profile of the gear tooth spaces.
4. Trim the circles side ways.
5. Now enter “bo” command. It will show the boundary creation dialogue. …
6. Click inside the region and then press enter.
7. Now we have the polyline created. …
8. Make a circle of 50mm radius.

How do you mesh helical gears?

To mesh a helical gear to a helical rack, they musthave the same helix angle but with opposite hands. The displacement of the helical rack, l, for one rotation of the mating gear is the product of the radial pitch, p_t, and number of teeth.

What is helix angle of helical gear?

Helix angle – The helix angle is the angle between the axis (bore) of a helical gear and an (imaginary) line tangent to the tooth. The helix angle will be between 0 ° and 90 °.

How do you make a helical gear in AutoCAD 2d?

Tutorial – Making a helical gear in AutoCAD?

1. Start AutoCAD.
2. Make a circle of 35mm radius at center.
3. Make another circle of 50mm concentric to previous one.
4. Make two arcs like this one for cutting teeth.
5. Trim down the circles. …
6. Right click on the screen and select multiple.
7. Select all arcs.

How can I draw in Autocad?

Use one of the following methods to start a drawing.

1. On the Start tab, click Start New Drawing. This opens a new drawing based on the default drawing template file. …
2. Right-click a file tab, and choose New to display the Select Template dialog box.
3. Click Application menu New Drawing. Find.