How to make Supercharger Lobes
here is the complete tutorial of above lobes
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Step 1:
just make the circle of 30 mm dia
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Step 2:
now extrude it upto 100mm
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Step 3:
now make a circle profile on a face of 13 mm dia
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Step 4:
now extrude it upto 40 mm
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Step 5:
now make a profile on a face of 30mm dia cylinder opposite to face of previous profile
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Step 6:
now select the profile and make a helix cut for 100mm pitch and 1.3 revolution
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Step 7:
now the final step- make a circular pattern of this helix cut feature of 4 in 360 degree angle
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Step 8:
this is the final look of ur SUPERCHARGER LOBE rendered on AUTODESK INVENTOR