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Update on Printed Bearings

Update on Printed Bearings

Sadly the printed bearings in the previous post do not work as well as one might like… I put it in a lathe at 200 rpm for 10 minutes and the PTFE bearing surfaces wore terribly badly. Sigh… However, we

Adrian November 28, 2017November 28, 2017 Experiments 3 Comments Read more

Printed Bearings

Printed Bearings

My design for RepRap Lorenz uses printed sliding bearings with PTFE inserts running on stainless steel tubes: So I thought I’d try printing replacements for rotary journal or needle-roller bearings.  Here’s the very first test. It is pretty rigid, and rotates freely.  Obviously

Adrian November 21, 2017November 28, 2017 Experiments 1 Comment Read more

Time-of-Flight Distances

Time-of-Flight Distances

The Simblee RFD77402 distance sensor (thanks to Victoria Stamps on Twitter for bringing it to my attention) is not very big and not very expensive (about $6).  It is the little black chip on the green carrier: It is an

Adrian November 17, 2017November 17, 2017 Ideas and Inventions No Comments Read more

TCT Awards – 3D Technologies Hall of Fame

TCT Awards – 3D Technologies Hall of Fame

  On Wednesday I was invited to a rather nice dinner at Birmingham Town Hall organised by TCT to attend their awards ceremony, which was in association with their 3D Printing Exhibition at the National Exhibition Centre.  On the left is Kryten from Red Dwarf (or rather,

Adrian September 29, 2017September 29, 2017 News No Comments Read more

Ultimaker 3 Extended

Ultimaker 3 Extended

A couple of weeks ago we had a giant box delivered… Rewind a few more weeks and Adrian had attended the first 3D Printing Industry Awards dinner where he had received the award for Outstanding Contribution to 3D printing. During

admin July 11, 2017 News 1 Comment Read more

The Wonders of Open Source

The Wonders of Open Source

As followers of this blog will know I have been working on a new RepRap delta design – Lorenz.  It has a number of novel features and it also contains a very high proportion of self-printed parts.  I haven’t finished it yet,

Adrian June 29, 2017August 10, 2017 Lorenz No Comments Read more

Shop Update

Shop Update

Just a quick update to say that because of a change in UK tax law we no longer need to charge VAT in the UK or EU, therefore all prices on our shop are the flat-rate price that anyone around the

admin April 3, 2017April 3, 2017 News No Comments Read more

Bye Bye Wires

Bye Bye Wires

A characteristic that a lot of 3D printers share is having wires running all over them.  These are often neatened in places with cable ties, but they still look scruffy and often get in the way of the machine moving,

Adrian March 28, 2017 Lorenz 1 Comment Read more

RepRap Lorenz’s First Test

RepRap Lorenz’s First Test

Bye Bye Belts! RepRap Lorenz does not use timing belts.  Instead it is driven by wire wound helically on a pulley on each stepper motor. The error caused by the change in wire angle as the helix winds 300mm of wire is about

Adrian March 24, 2017March 28, 2017 Lorenz 1 Comment Read more

3D Printing Unprintable Materials

3D Printing Unprintable Materials

The other day Richard Horne (a.k.a. RichRap) tweeted “It would be nice if you could chemically soften [3D print material] after printing.”  This is a really clever idea – you could make a two-material print with two hard materials that stayed

Adrian February 3, 2017February 3, 2017 Ideas and Inventions 2 Comments Read more
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