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| surface grindy type project |
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| shipto:
Everything I want to do requires slides of some sort or another. I have made slide before by endless hours of lapping crude steel plates but this gets tiresome. I have decided to have a go at a project which will hopefully make the process a little less tiresome and make a surface grinder, I am going into this with low expectations and the hope that it will at least make the lapping last hours rather than days. I have started by concentrating on the X,Y movement for the moment, I already had a couple of 8mm bars salvaged from printers and some linear bearings to suit them which I brought a while back with the intention of making a reprap printer. so these where drilled and tapped for 5mm bolts each end to fit into the housing for the front to back travel. I would prefer something more robust but if this works well enough it may be able to make better for itself. I first made it with just a front and back but then thought that it might flex a little too much so made a square frame to hold it steadier. I made some bearing holder blocks for the top of the runner, this will be a cantilever type setup. Next I needed to make the lower runner bearing holders, they are slotted on the side to adjust the table for squareness I still need to make and attach the blocks to do this adjustment and lock it in place. 5th picture shows them attached to the underside of the table and 6th picture shows the table on the bar I am going to use for the runner. Hopefully tomorrow after work I can sort out the adjusting blocks. |
| tom osselton:
Should be a good build! |
| BaronJ:
I hope that you are going to put some boots on those slides to protect them from dust and grit. If you don't the grit will play havoc with the smoothness of movement. |
| shipto:
yep rubber wipers and brushes as well as guards to hopefully stop anything getting under the bearings. Had a little time to spare at work today so made some parts for the frame pictures show the base and upright bits going out to shed after pointless to get the blocks done. Done! |
| shipto:
Got framework home and spent a little time in the workshop, I was sorting out the main runner plate. The picture shows the pilot drilled plate in place one the frame (sorry for the rubbish picture but I didnt have proper camera with me) its will have 3 bolts pushing against the plate to get it lined up properly and 6 bolts to hold it to the frame and also eliminate any twist in the plate. |
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