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Gallery, Projects and General => Member Videos => Topic started by: Jim Dobson on July 23, 2026, 11:25:25 PM

Title: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
Post by: Jim Dobson on July 23, 2026, 11:25:25 PM

I've posted up photos before of hobbed pulley drives. It's a process that works very well and gives a professional result (very similar to what Wilesco does on their drive pulleys). I've done well over a hundred brass and aluminium drive pulleys now.

Here's a vid I did a few years ago of the process -

Title: Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
Post by: Jim Dobson on July 26, 2026, 09:11:17 PM

Here's some pics of pulleys I have hobbed -

Title: Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
Post by: Jim Dobson on July 26, 2026, 09:12:18 PM

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Title: Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
Post by: Jim Dobson on July 26, 2026, 09:12:49 PM

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Title: Re: Hobbing a Brass or Aluminium Drive Pulley to Stop Belt Slippage
Post by: Spurry on July 29, 2026, 03:26:03 PM

Good job.  :clap: Is there any tendency for the 'teeth' on the pullies to damage your rubber drives?

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