Gallery, Projects and General > How do I??

Hobbymat low speed kit

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PJW:
Hi does any one know if drawing for the low speed kit for the Hobbymat exist?

chipenter:
Acording to Tonys lathes site a kit does exsist http://www.lathes.co.uk/hobbymat/ .

PJW:
Thanks, I know he makes a kit, but it is very, very expensive. i was wanting to make my own,

Peter

velocette:
Hi Peter
Looking at the photos of the Low Speed Kit It appears that it is a single phase motor with a fixed speed of 1425 RPM.
Have you considered a Variable Speed drive using a 3 phase motor and single to three phase variable speed converter.
Or AC to DC variable speed converter and a DC motor.
"Poly Vee Belts" are far superior to vee belts for larger ratios of speed reduction and easier to fabricate as the angle of the vees is constant with any diameter so no calculations for the correct angles.
J Section poly vee belts are 60 deg by 2.34 mm pitch.
PDF file with more info attached

Eric


 

philf:

--- Quote from: velocette on August 18, 2015, 12:42:52 AM ---
J Section poly vee belts are 60 deg by 2.34 mm pitch.


--- End quote ---

Eric,

I agree that Poly-V are far superior but the included angle is 40 degrees and not 60.

Phil.

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