Model Engineer & Workshop Magazine Apr-20 Edição anterior

On the Cover
Our cover shows Pete Barker’s technique for scraping and shimming Myford white metal headstock bearings, see page 61 for another useful guide to reconditioning a worn lathe.
A Model Engineers’ Fantasy Lathe – Concept Design Alex du Pre has risen to the challenge with his ideas for a ‘lathe of the future’.
The Prusa Mini, a small but versatile 3D printer Martin Petersen reviews a new, compact machine from Prusa.
Repairing a Safe-D-Speeder R. Finch realised an ageing drill accessory was just what he needed for a tricky task, but it took a bit of workshop nous to bring it into working order.
A Tapping Attachment for Small Taps Graham Meek offers a neat design for minimising breakage of small taps.
Motorising the Z-Axis of a Chester Champion Mill David George concludes his series on powering the head movement of this popular milling machine.
A Modified Bench Grinder Chris Taylor simplified and improved his lathe tool grinding with this adjustable grinding rest.
Shortening a Chain Will Doggett steps through making a special link for shortening a continuous hand chain.
The Modular Dividing head The figures for Ted Hansen’s Worm Module.
Sine Protractor Stewart Hart explains this simple tool for setting accurate angles.
Toolholders for a Myford M Lathe David Smith makes a batch of toolholders, also suitable for the Drummond M and many other lathes with a round tool pillar.
“Coax” – Achieving Accurate Coaxial Chucking. Jacques Maurel has tried different ways of making ordinary 3-jaw chucks into micro-adjustable ones.