The Craftmans Shop > New from Old
The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
seadog:
Soft wood you'd have had no problems.
awemawson:
The next issue is what coolant to use. For years I've used 'Castrol Hysol Excel', which is a soluble oil product that I've used satisfactorily in all my machines and all metals.
https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/1757CA3C753793E880257796002FC871/$File/HYSOL%20EXCEL.pdf
But Castrol have now 'renamed' this product 'Castrol Alusol A' which reading it's spec is aimed at aircraft aluminium alloys and doesn't include grinding in it repertoire. So are they the same or not :med:
https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/6C1589B46849053B80257796002F5B93/$File/453700_XI_en.pdf
I think some searching questions aimed at Castrol are called for :hammer:
It's rather important to me that any new stuff is mixable with what I have as machine sumps get topped up rather than wholesale replacement - this stuff is expensive. At well over £100 per 20 litre drum (of which I need two :bugeye:) I need to get it right!
(Later edit)
(Oddly those links require you to log in, but a google search for them doesn't so I'm attaching them as pdf files )
seadog:
'renamed' this product 'Castrol Alusol A'
A good job it wasn't renamed Anusol A :D
awemawson:
Trust you :clap:
awemawson:
This morning I ventured into the wet bits of the coolant system - things could get messy :bugeye:
First I explored, and then removed the remnants of the input filter that sits in the tank - most of it was missing! It looks from the remaining stub, that it was a standard 3/4" BSP screw on hydraulic tank filter, reduced to 3/8" BSP - presumably to benefit from the larger area of exposed gauze :med:
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