Ah ha.. probably these : x20 T-Nuts Slot 10 M6 1001 | eBay
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Ah ha.. probably these : x20 T-Nuts Slot 10 M6 1001 | eBay
OK. These rails purchased...2 linear bearing slide unit SBR25-850mm rails+4 blocks | eBay
I hope the quality is as good as the ones sold in the UK.
You should have contacted Chai directly then you'd have got a better deal!!
Most of the rails sold in the UK are imported from China anyway ;)
Ok.... I received my Aluminium via UPS. 470mm X 300mm X25mm
I clamped it down to the original bent Vacuum bed (which temporarily straightened it)... planned the new supported rail bearing block mounting holes in CamBam and successfully drilled and counter-bored the holes. First thing I have ever done with this machine since changing the Z axis plate and adding the 2.2kw Chinese spindle. What an improvement so far !
Still a way to go to make it more sturdy, but I am already planning the next improvements to come.
Now... in respect of holes for clamps on the cutting bed.....For now I am going to drill and tap some holes for clamps. (maybe cutting slots later if needed). What size metric holes should I use for the clamps ? M4/M6 ?? and what depth ?