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I've been playing with ideas during the day and calculating why some suppliers use 1604 ballscrews and other 1210. Then I found these guys LEAD 1515, HGH15, SFU1604 Ball Screw

I've assumed that you have four axis of movements, the two parallel ones Y and A bolted onto a bench, they drive a bridge axis with a single X axis in it and Z offers a relatively short vertical axis. from memory and after Christmas cake I think it works like this it uses Newton's second law of...

I'll do the maths later but I did the maths 40 years ago when I was asked to design a piston ring turning machine (in open profile not closed) since piston rings are (or were) mainly cast iron and very very precise this machine was pretty big and I needed to drive a very stiff little carriage...

No, thank you

Yes we have a few people who are very familiar with machining, with CAD and CAM plus we are pretty good at onboarding both new members and new processes. In fact every major item in the place has either a video or a manual to compensate for the terrible things provided by manufacturers. We...

I agree, we have ability to do it properly, we don't have the funds or space yet, but we should do in the next 12 months. Hence this is more a play thing to let the arty members of our team get to grips with CAD CAM and other features of milling. We do this a lot using small machines to get...

Interesting, I'm not sure where the Felder Hammer HNC would sit relative to it. But either way, out of our price range. At £4400+ it was borderline to investigate

We have a couple of issues which will delay our project, the major one is that we don't have the space yet to hold this unit. We believe we will have space by the end of 2024 so that is our target date. Our second issue is one of money. All our kit is bought from membership income and we have...

Again, thank you so much for your thoughts, very useful

Otley Maker Space is based in the courtyard of the Courthouse arts centre in the centre of Otley. Basically if you remember the early Heartbeat series we are in the police station. Otley Maker Space | Otley Calendar

Thanks to all, some great ideas above and I'm so glad I asked the question. I think Shapeoko now have a proper slideway and ballscrew option. Our MS is not heavily used and is physically small so not expecting a lot of usage. We already have a good basic range of wood working tools, sewing...

Thank you, I've not been that excited by this range of machines, I don't like the wheels and the cogged belt, but the author is interesting enough with some good feedback and info.

Thanks, I'm a previous machine tool designer so well aware of basic structures etc. quality etc. I was really trying to get an idea as detailed in my question. The trouble with buying second hand is you buy the problems that the seller gave to the product as well as those given by the...

I'm working in a Maker Space in West Yorkshire. In our 2024 budget we aim to have £3-3.5k set aside for a 3 or 4 axis cnc portal miller for wood cutting. Since we have multiple users of varying skill ranges we need a fair bit of rubustness built in and would like proper slideways and ballscrew...

Just check you have the power requirements for the Axminster. I chose the Charnwood for the standard power supply and the lovely Induction motor which sounds and is very smooth leaving a lovely cut due to the large cast iron table. I'd also look at the LumberJack latest large machine. Ok the...

there seem to be basically two types of hone, one where the jig rides on the diamonds and you hone along the length of the chisel and one where the chisel sits in a jig and the diamonds hone across the end of the chisel. The second one will always allow you to make shorter chisels. However...

But thinking they are different is equally interesting as really one is just an attempt to get around the patent control of the other. Both can be enhanced by making sure you follow the ideas noted above and can be done better and more cheaply using lower cost tools and probably just as fast...

dominos were invented for alignment in factory made environments, fast and efficient. Then they moved into the domestic market and at the same time suppliers took the opportunity to do a rasor blade marketing BS thing on them so you have to buy the propriatery product. Then they dropped the...

I bought the Charnwood W650 in Autumn, cuts beautifully, fence is great, dust extraction is terrible

plane it off