Difference between revisions of "Equipment/WarcoMill"

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* Mat Cook
* Mat Cook
* Roger Smith
* Roger Smith
* [[user:RobCopcutt|Robert Copcutt]]
== Health and Safety ==  
== Health and Safety ==  

Revision as of 23:39, 4 June 2015

Class Red equipment: Do not use without specific training.
(More about equipment classes)

Equipment / Warco Mill
Warco Mill


(This machine has been purchased but not yet opened to users.)

The Warco mill can be used to machine objects from a wide range of materials. Training is required before members use the equipment because it is easy for users to damage it, and serious injuries, or fatalities, are possible. The machine has a table 660 x 152mm that can move 37cm in the X direction, 15cm in the Y and 34cm in the Z direction.


  • Diana Probst
  • Mat Cook
  • Roger Smith

Health and Safety



To get the required training to become an approved operator please contact one of the owners.

The owners will help users make the best use of the mill but it must be emphasised that learning to take full advantage of all its capabilities takes months of practice. The owners have limited time so members will need to take responsibility for much of their own training. More details about the training can be found at


Tips & Tricks

Use a conventional milling cut to get the part to approximately the final size. With a conventional cut the cutting surface and the work piece are moved in opposite directions. A climbing cut is where the cutting surface and the work piece are moved in the same direction. It produces a better finish but puts extra strain on the cutting tool. Therefore only use climbing cuts for light finishing cuts to leave a smooth finish.

When drilling, start with a centre drill to make sure that the hole starts exactly centre. It is usually OK to drill to a depth of 3 to 4 diameters in a single pass. After that withdraw the drill ever diameter of cutting depth to clear the swarf. Use cutting fluid beyond a depth of about 2 diameters. Be aware that halving the diameter of a drill reduces its strength 8 fold. Small drills break very easily and broken tools present a hazard. Much much less pressure is needed to drill small diameter holes. Use just enough pressure to create long curly chips. Look up the appropriate rotation speed for the drill. The Warco cannot spin fast enough for drills below about 2mm. For these, use our Sherline Mill.


  • Clean away all swarf at the end of a work session with a brush or vacuum. Do not blow because this can send chips where they can damage the machine. Bare hands are very easily injured by the sharp surfaces.

Further Information

Specification: [1]

Spindle: 3MT (we have the 3MT version). This is NOT compatible with the ML7 lathe headstock which is 2MT.