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[alsengineer]

 :kiss
Hi all
It's that female!! Help, please.  Instruction booklet for Clarke CL430m Lathe calls for "VEGA 100 or ISO 100" machine oil to fill 'sight glass' level.  Well, I tried local shops, and google to no avail.  What exactly is it and more importantly, WHERE, please.
Thanks for your help.

[Circlip]

"Machine Mart" should be able to supply, but to save a rip off you could look in your local "Yelling Pages" for Engineering tool suppliers, (PROPPER tool suppliers, NOT Bonk & Quonk etc.) for machine tool lubricating oils.

  Regards  Ian.

[Seaspray]

I think ISO 100 is  SAE 30 try the local motorist shop, I get it there.

[nemesis]

Dont use multigrade oil on your lathe, as according to Myford it drains off the surfaces to quickly.
I would go for sae 30 which is what the others recommend.
                                              Nemesis

[Bunkerbarge]

If you have a look here:    http://www.engineeringtoolbox.com/iso-vg-grade-d_1206.html   you will see that ISO 100 equates in viscosity to SAE 30 however the properties of the oil will vary slightly.  The correct oil for such use is known as slideway oil and has higher load bearing properties than normal engine oil which relies on hydro-dynamics to provide the protection.  You will also find that an engine oil is higher in alkalinity to combat the acidic effects of fuel contamination whereas slideway oil will be completely neutral.  Slideway oil is usually designed to demulsify easily and provide excellent adhesion, which are both more for when the oil is used as a cutting fluid.

For the purposes of a hobby lathe though straight SAE 30 will do the job but if you wanted the best purpose made product you should be looking at something like this:

http://cgi.ebay.com.sg/SLIDEWAY-OIL-for-Myford-Lathe-Mobil-Vactra-No2_W0QQcmdZViewItemQQitemZ190307223435

[bogstandard]

If you look down here, you will find slideway lubricant, and also the general purpose luricating oil is fine for your lathe gearboxes and oiling up your tailstock etc.

http://www.chronos.ltd.uk/acatalog/Chronos_Catalogue_Oils__Lubricants___Adhesives_etc_124.html

You will only require 1 litre as that should last you about a year with a small lathe if you lube up at the start of each machining day.

Type 68 slideway oil has the same viscosity as ISO 100 (SAE 30) but it contains additives that makes it 'stick' to the surfaces it is applied to, and it will give you the correct film thickness for the metal surfaces under the loads encountered on your lathe.

I grossly over lubricate my lathe, to the point oil is dripping off it. It is better to spend £20 a year on oil than trying to get a bed regrind.


Bogs