1 Topic by barry1685

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Topic: GT2 Pulley - Davinci Pulley teeth count

I am upgrading the pulleys on my davinci to gt2 pulleys. Just curious if anyone knows what the teeth count is on the plastic white pulley.

I will probably have to design y carriages to support the gt2 pulleys and mod the firmware.

2 Reply by jasonthorn82 (edited by jasonthorn82 2015-05-15 19:26:39)

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Re: GT2 Pulley - Davinci Pulley teeth count

The pulleys are a 20 tooth count.  I was thinking about doing this myself, as one of the pulleys has a defect that causes it to wobble.  I'd like to know how it works out for you.  If I remember correctly, they have to be a 20 tooth, 8mm ID, with approx 7mm belt width.  Hope that helps.

3 Reply by carl_m1968

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Re: GT2 Pulley - Davinci Pulley teeth count

barry1685 wrote:

I am upgrading the pulleys on my davinci to gt2 pulleys. Just curious if anyone knows what the teeth count is on the plastic white pulley.

I will probably have to design y carriages to support the gt2 pulleys and mod the firmware.

I trust you are using or planning to flash to Repetier firmware? There is no way to access or modify the stock firmware.

I also dont really think GT2 belts and pulley conversion will make a noticablr difference versus stock. All GT2 is, is just a different profile on the teeth where it meshes with the gears. In fact judt looking at them I am pretty sure the belts in the machine now are GT2. Just not as wide as you might see on other machines.

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4 Reply by barry1685

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Re: GT2 Pulley - Davinci Pulley teeth count

Of course I'm running rep. Thanks. I ordered 8mm bore 20t because the diameter is smaller so it won't (hopefully) hit the x axis shafts. Carl, I will make this work. I've done a lot of mods already and haven't given up yet when there is problems. The gt2 pulleys are aluminum and are authentic. They aren't plastic, won't break. I just don't want to have to worry about replacing a stupid plastic wheel. The stock timing belt isn't a gt2. It's really flimsy and stretches. I doubt xyz would spend money on that.

5 Reply by barry1685

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Re: GT2 Pulley - Davinci Pulley teeth count

I am getting my gt2 pulley system tonight. I will install it and let ya know how it works out. I don't think I will have to edit settings since the I.D. is 8mm and O.D. is 15mm (same as davinci stock) and also tooth count is 20 (same as davinci stock).

6 Reply by barry1685

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Re: GT2 Pulley - Davinci Pulley teeth count

Just finished installing it. I just need to calibrate the timing belt.