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Prometheus-3D

Wanhao i3 offset Y axis Bearing Block

by Prometheus-3D Feb 27, 2016
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Completely unrelated to this print. What is that you have in place on springs? Do they work better?

So the bill of materials for this thing includes the after market Prusia i3 bed, stock/new bearings, and M4 screws?

Two questions:
1) how did you go about tightening the new blocks such that everything was happily aligned? I'm fighting with things seizing because of tiny bits of play changing the offsets. This may be more generic to printer tuning, but figures you may have faced it.

2) what did you do to adapt the belt holder to the new plate? From the picture it looks like you stretched it up to the new plate.. did you just drill new holes?

It took a little to align everything but in the end it was well worth it. All new holes were drilled to match old plate so everything was in proper location. Put the 2 plates together and either mark where holes are (center punch) and then drill or drill with plates together.

This is great! My new carriage plate (similar to the one you listed) will be here un a couple of weeks and this is just what I needed. I was going to redrill the new plate to accomodate the stock mounting hole arrangement, but this should leave the plate as it is.

I don't know why Wanhao didn't stick to the standard spacing between the Y axis rods. It just makes it more annoying to find replacement parts. My plate is bent all over and after 10 prints or so I have to completely disassemble the bed and restraighten it. I hope the new 3mm plate and your bearing mounts (I'm using LM8LUUs with some rubber o-rings at the moment) turns out fine.

BTW, what are those rubber dampeners you're using between the bed and the carriage plate? They look nice.

Thanks for the design. I'll tell you how it all fits hopefully in a couple of weeks!

Also interested in the knowing about the rubber dampeners!

That was actually just a screw up cause the springs were lost. They are the rubber dampners from a mobius mount.

At least they look good, haha. I've been using your mounts without any problem for a week now, so thank you for sharing them!

Do these bearing blocks work with the stock bed ?

If you are using the stock setup, you just replace the bearings. This design is meant to use with the aftermarket Prusa bed which has a different hole pattern.

Will your bearing blocks work with the larger 200x300mm carriage plate? https://www.aliexpress.com/item/Large-Size-Aluminum-Y-Carriage-Plate-XL-300x200mm-Prusa-i3-RepRap-3D-Printer-Upgrade/32727730118.html
This is in regards to the mod to increase build plate size but hopefully bypassing the need to drill holes into the plate: https://www.thingiverse.com/thing:1495689

I mean if you are going to pay $20 for a new carriage plate that's 27% towards the parts needed for the upgrade kit to get the larger heated bed, carriage plate, y rods etc ($75 or so).

Wanhao Duplicator i3 Y-Axis extension

Still wondering if these will work with the larger carriage plate/heat bed. I've ordered the parts and they will take 20+ days to get here but I'd like to print out all the parts I can ahead of time. Anyone?