Geoff Walker has kindly supplied his drawings for the two major parts of the Potts milling spindle. A design that originally appeared in Model Engineer back in 1937, th efirst part of which is reprinted below. Drawings
David explains: “Having just received a pair of castings for the George H. Thomas screw cutting tool holder, I wondered if I could make it automatic where it would self-extract instead of having a lever to extract the tool. If you are working up to a length you need to wind out the tool at…
The calibrated adjustment allows accurate work. The full article can be downloaded from the MEW archive, but hopefully the plans are more or less self-explanatory. Download a PDF of sheet 1 here. Download a PDF of sheet 2 here As ever, thanks to Nick Farr for scanning the original plans.
Full details of how to construct the metal binder and advice on its use can be found in issue 18 of MEW, available in the inline archive. Download a full-resolution pdf of side 1 here Download a full-resolution PDF of side 2 here Thanks to Nick Farr for scanning the plan.
Because Digital-Only subscribers may have difficulty accessing and viewing such a large plan, we have made it available as a PDF here. Subscribers only can download a full-size PDF of the double-sided A2 plan using the link below. ME253_Tailstock_Turret_Plan.pdf
There is one big caution with this design – in filing mode the end of the file extends above the machine and could pose a mjaor hazard to your eyes if you lean forward over it, equally in jigsaw mode the blade is exposed . There are 101 ways to fit a guards to this…
This is a particularly pleasing plan to present as the resulting chuck is very neat and practical. As usual, the full-size plan is contained in these two low-res jpeg files and full detail accompanying pdf versions: Download part one of the plan as a PDF Download side two of the plan as a PDF Alternatively,…
A number of forum users have expressed interest in the details of how this device, which has been available for over 20 years, is used. A detailed article on the CZ metal bender caby Gordon Raed can be dopwnloaded from the link below. http://www.model-engineer.co.uk/wp-content/uploads/sites/4/documents/cz%20bender.pdf With thanks to Gary Wooding and Ady1 for assitance with preparing…
The purpose of the hammer is to allow a centre opunch to be accurately aligned with marking out and then struck without the user needing to put down and pick up different tools. In 2014 MEW featured a very nice example by Derek Spedding which has been used to illustrate this article. Unusually for MEW…
The lathe can be adapted to suit available materials and, whilst complete in itself for use with a graver, the design does not include a cross slide. It shoudl be within the abilities of most makers to add such a facility if they wish. As usual, the full size plan is contained in these two…
