The Lathework for Beginner’s series is drawing to a close. I hope that new recruits to our marvellous hobby have found it useful and that more experienced readers will have found some useful ideas as we have gone along. In this final instalment, I would like to finish with some more advice of a more general nature that may be useful to new lathe owners who are starting to build up their workshop.
Cutting Fluids
Almost all cutting operations are improved by the use of some sort of cutting fluid. In industry floods of coolant are used which not only lubricates the cut but washes away chips and reduces the cutting temperature, all of which greatly improves tool life and finish at the expense of complexity and the need to keep coolant where you want it. In addition, the coolant (normally ‘suds’ a mixture of emulsified oils and water) can cause both corrosion and even health problems if leftstanding, although more modern formulations tend to be better in these respects. Most, but by no means all, users of smaller machine tools tend to consider flood coolant too much bother.
More usual, is the use of neat cutting oils, generally applied by brush or drip feed. While these do not wash away chips or offer much cooling, they do lubricate and will improve tool life and finish, especially on tougher materials. I’m a user of neat cutting oils, photo 1, and a little goes a long way- half a litre will last most of us at least a year. Use cheap pound-shop paint brushes to apply the oil, and don’t worry if the odd bristle gets chopped off ! I keep a pot of oil with a brush in it at the back of my lathe at all times, photo 2.
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Denne historien er fra December 2019-utgaven av Model Engineers' Workshop.
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Readers' Workshops - Patrick Cubbon
Patrick Cubbon describes his workshops – a portable one from 1963 and the current accommodation
Desktop Gear Hobbing
Toby Kinsey has designed this fascinating piece of gearmaking equipment
The John Stevenson Trophy 2020
Many readers and forum members will remember John Stevenson, a contributor to MEW but best known for his larger-than life presence on the Model Engineer forum.
From the Archives: Twist drill Sharpening by the Four Facet Method
Giles Parkes, MEW Issue 64, February/March 2000
Dividing on the Warco 220 Lathe
Peter Shaw describes a mandrel dividing attachment for this popular lathe that can be adapted to fit many other benchtop machines
Choosing Steels
Stub Mandrel offers some advice on choosing the right steel for the job
A Storage Story
Robin King shares the lessons learned from his experience of workshop moves
A Simple Drill Grinding Aid
A newcomer to our hobby was having trouble sharpening drills, so Howard Lewis made a simple aid for him
Yet Another Bodge-Up!
Peter Shaw finds a use for some aged homebrew slot drills.
Workshop Press Tooling Part 2
Will Doggett makes a set of tooling for his press tool described starting in issue 285