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

How do you make a 2d Helix in AutoCAD?

A helix is an open 2D or 3D spiral.

  1. Click Home tab Draw panel Helix. Find.
  2. Specify the center point for the base of the helix.
  3. Specify the base radius.
  4. Specify the top radius or press Enter to specify the same value as the base radius.
  5. Specify the height of the helix.

How do you draw involute 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 make a helical gear in SolidWorks?

Tutorial – Creating Helical Gear in SolidWorks?

  1. Change the extrusion height and make it thicker.
  2. Insert>>Feature>>Flex.
  3. Choose flex type – Twisting and select the gear body as flex input.
  4. Enter the triad angle for x axis as 90degree.
  5. Enter flex angle(Helix angle) as 20degree. Click OK.
  6. We have the Helical gear created.
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How do you draw gears?

Drawing meshing gears

  1. Step 1: Start by drawing a horizontal centre line for both gears.
  2. Step 2: Draw a vertical centre line for the driver gear on the left. …
  3. Step 3: Calculate the pitch centre distance. …
  4. Step 4: Measure the centre of the driven gear from the centre of the driver gear.

What is AutoCAD drawing?

AutoCAD is a computer-aided design software developed by the company Autodesk (hence the name AutoCAD). It allows you to draw and edit digital 2D and 3D designs more quickly and easily than you could by hand. … With AutoCAD, you can easily change and manipulate designs.

How do you draw a spiral curve in AutoCAD?

You can create a spiral curve between any two points, such as the ends of a line or even two other curves. Click the “Alignment” tab and choose “Modify.” Click “Geometry Editor.” Locate the “Alignment Layout Tools” toolbar, and choose “Free Spiral-Curve-Spiral (Between Two Entities).”

How do you draw an involute gear profile?

When drawing an involute, you draw one side of one tooth, mirror that to make a whole tooth, and that copy that around your gear the right number of times. A new involute has to be drawn for each size of gear in your system.

What is a gear module?

“Module” is the unit of size that indicates how big or small a gear is. It is the ratio of the reference diameter of the gear divided by the number of teeth. … Assume that there are two friction pulleys in contact whose diameters are equal to the reference diameters.

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How do you make a spur gear?

How to design a Spur Gear (with Equations)

  1. Drawing the Gear’s outline. Draw a circle, then assign its diameter to “Head Diameter”. …
  2. Extruding the Sketch (Base) Now extrude the selected contour in any dimension you like, but remember to be realistic. …
  3. Creating the Gear’s teeth. Now create a circular pattern, then assign its Number of Instances to “Teeth No.”.

How do you make a helical gear?


  1. Calculation of gear ratio (i): …
  2. Selection of material. …
  3. If not given, assume gear life (say 20000 hrs)
  4. Calculation of initial design torque: …
  5. Calculation of Eeq, [ϭb] and [ϭc]: …
  6. Calculation if centre distance (a):
  7. Select number of teeth on gear and pinion: …
  8. Calculation of module:

How do you draw a gear in SolidWorks?

Gear design & drawing in SolidWorks

  1. Open SW, then create a new document and choose Front Plane and sketch. …
  2. Select Centerline and drav 4 lines, like in the photo.
  3. Select a 3 PointArc and draw a line from the 2. to the 3. …
  4. Select Mirror Entities and first choose the entities to mirror and step dwo Mirror about and choose the line ( line).
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