What are these mgn15c good for?

[Desertboy]

15mm Hiwin-style rails are almost certainly strong enough for a router. The problem, and one big reason why most people actually use 20mm for Z (as I do myself) is that 15mm rails and carriages give you very little space between the Z plates. It's difficult to fit a ballscrew and nut in the gap. Even with 20mm, you end up recessing one or other or both plates to give clearance.

https://www.ebay.co.uk/itm/15mm-line...cAAOSwNWxaJP-~

£120 for 2 1.5m rails and 4 carriages delivered from EU (No import tax) in 3 days just cannot be beat.

I have these very happy with them on my gantry and I have original Hiwin's on my Y and Z, 15mm all round. The carriages from the clone rail are compatible and vice versa with the Hiwin's.

I used spacers and recesses to make everything fit it wasn't difficult I'd say the bigger issue is greasing making some spacers is not difficult.

Depending on how you mount your Y axis the spacer issue only affects the gantry and Z axis at least in my case.



The top block is loose in photo traced to one bolt was 1mm too long (I had to cut some down and missed one) I've fixed it and now everything is tight and rock solid.

The thing to watch for with all Hiwin's is what carriages you have so you can work out what height's you have for mounting.

I probably have a set of 4 18mm spacers with the correct hole pattern in left which are going free to a good home.