UPS battery installation

This is just a quick update to the last post I made about fitting a DC UPS. I’ve now got a better arrangement for the batteries. I printed a sort of tray with one tall end onto which I have mounted connectors, a fuse and also a meter so that I can see at glance […]

Mixing hot end extruder micro-stepping revisited

Note. This post is about extruder micro-stepping when using a mixing hot end. None of the findings would be applicable to non-mixing, single filament input hot ends. Introduction Some time ago I posted my thoughts on why I believed that 16x micro-stepping was not a good setting to use with a mixing hot end. The […]

Nozzle wiper/purge bucket/bed clamp upgrade.

Readers will know that I have a strip of silicone rubber running across the back of my printer which is used to wipe the nozzle. Beyond this silicone strip is a “bucket”, which isn’t really a bucket because it has no bottom. Here is a picture of how it was. The silicone strip is the […]

Wiring upgrade, Duet generation 3 and TCT show 2019

If you have read my recent post about upgrading my extruder carriage, you will know that I intend to upgrade my printer to Duet Generation 3 electronics. There are three reasons for this. Firstly, it will enable me to use 13 stepper drivers which I will need in order to use both the load balancing […]

Z axis aluminium upgrade

I decided it was time to upgrade my Z axis from the original printed parts to aluminium ones. But I have to say that the only reasons for doing so were that, in my opinion the aluminium parts are more aesthetically pleasing and also that I recently bought a boring head for my milling machine […]

X carriage upgrade (yet again).

My hot end X carriage was in a bit of a sorry state. Here is a picture. The tube that takes the wires for the circular COB light under the hot end, the part cooling fans and the limit switches, had broken away from the main body of the printed part. The uprights to which […]