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Re: Power feeder setup on a shaper (Comatic DC40)


 

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I would recommend taking the following steps:

  • Wax and buff the top surface of your shaper. The best wax I¡¯ve found to use for this is Renaissance wax because it dries extremely hard and produces a very slippery surface as well as lasting long time. ?I apply and rub in the wax with a fine Scotch-Brite pad, blow that dry with compressed air, and then buff out with a cotton rag. ?
  • I can¡¯t tell from your photos what type of tires you have on your feeder or wheels, but they must be clean and free of dirt and dust. The best way I have to clean them is to dampen a rag with Acetone or Naphtha ?and hold that against the rotating wheels. ?If the tires are old or hard rubber, you might consider replacing them with polyurethane equivalents to get a better grip on the material being propelled through the cutting operation.?
  • Your feeder wheels appear to me to be set too low. This can cause jumping, stuttering, and skipping during the feeding operation. If your wheels are clean, and your machine surface is polished with wax a 2 to 3 mm distance from the top of your material to the bottom of your wheel should be sufficient.?
  • It also appears to me that you have the feeder set at two steep of an angle relative to the trajectory of the material feed path.?

Hope this helps.

David Best - via mobile phone?

On Jul 9, 2024, at 7:09?PM, Brett Wissel via groups.io <Brettwissel@...> wrote:

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Lube. A spritz of mineral spirits in a spray bottle or a rub of some paraffin wax block. On the base table and possibly the fence. Often I swipe just the infeed contact points before the feeder grabs for safety clearances (no hands anywhere dangerous) and the lube drags through on its own. It takes very little to make difference and you'll identify what symptoms mean you need to add more. If you are new to the power feeder, you may also find the pressure running through will help self polish critical surfaces after a couple hundred or thousand feet run across the contact surfaces too.


Also big difference from texture of the wood running through, rough milled through fine sanded makes a difference in power feeder grab and contact surface friction.



Happy experimenting!

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