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Thread: Swapping motor on thicknesser
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24th March 2017, 10:55 AM #1Senior Member
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Swapping motor on thicknesser
G'day all
I have a 13 inch carbatec planer moulder which I bought new. It hasn't seen much use for a number of years due to the noise and the fact I live in a town house. I was looking at replacing it with one of the 15 inch carbatec machines. While looking around online I saw there is a grizzly 13 inch planer moulder that looks very similar to mine and it is mounted on a stand with a standard motor fitted. Has anyone had any experience with modifying their benchtop thicknesser to this configuration? Im assuming it will quieten the machine a lot when not under load? Given that the machine is in really good condition would this be worth looking at if it is at all possible? Or would I be better off saving my money and buying a new one.
13" Planer/Moulder | Grizzly Industrial
Thanks for any advice
Marty
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7th April 2017, 08:07 AM #2Senior Member
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They're a good machine, I doubt relocating the motor would make a whole lot of difference to the noise. In your situation the real issue is the noise making cuts, for which you'd be better off with a helical cutter head. If you don't use moulding cutters, best option is to sell the one you have and replace it with a helical head thicknesser.
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7th April 2017, 11:35 AM #3.
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My understanding of these machines is that the brushed (universal) motor makes a lot of noise so replacing it with an induction motor as used on most WW machinery will indeed make it quieter at least while it is free running.
We had a similar machine at the mens shed and it was definitely the noisiest machine in the shed. It generated ~105 dB when free running and up to 116 dB when in action and we ended up giving it away.
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7th April 2017, 12:46 PM #4Senior Member
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Wow Bob that's pretty bad. I used a mates for a while, the Toolex branded version of the CT236 and I don't remember it being anywhere near that loud. Interestingly, you can still buy the Toolex stand for it as well as the blades and Moulder cutter set though they stopped selling the unit long ago.
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31st May 2017, 07:17 AM #5Senior Member
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You may have to experiment with drive pulley ratios to get the cutter head up to speed. Induction motors tend to be either 1,440 or 2,880 Rpm with 1,440 rpm being the most common. Induction motors are also larger and heavier than brush/universal motors. You can buy a 1HP drill that weighs only around 1Kg. A 1HP induction motor will weigh about 10Kg and you will need probably 2.5HP to drive the thicknesser.
My advice would be to sell the noisy machine and buy a 15" machine with a helical cutter head that takes square tungsten carbide inserts. The reports I have read is that this is about the quietest way to thickness timber apart from hand planing. The H&F machines have been around for a long time and their design seems to be proven. It's probably the way I will go in the near future.
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