With a hammer and a bread-knife [nearly]

With a hammer and a bread-knife [nearly]

This topic has 8 replies, 7 voices, and was last updated 26 November 2021 at 21:54 by Michael Gilligan.

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26 November 2021 at 09:20 #573023
Michael Gilligan
Participant
@michaelgilligan61133
I was amused and amazed to find this video, and several more in similar vein:

How to make Polar CNC drawing Machine

**LINK** : https://youtu.be/dl_XWb1AK2U

The primitive constructional technique, and the brilliant results, combine to make the man a star.

MichaelG.
Advert

26 November 2021 at 09:20 #16330
Michael Gilligan
Participant
@michaelgilligan61133
26 November 2021 at 09:30 #573024
Ady1
Participant
@ady1
A fusion of modern electronic control gear and Newcomen wooden supports
26 November 2021 at 10:20 #573030
Gary Wooding
Participant
@garywooding25363
Quite amazing. Even the little detail of using cable ties as a circular clamp.
26 November 2021 at 12:48 #573058
Nicholas Farr
Participant
@nicholasfarr14254
Hi MichaelG, just goes to show that not everything has to be made to a high accuracy, even the slight wobble on the motor pulley didn't seem to cause any issue. I've used cable ties many times as circular clamps and some of them can be used again if all of them don't need pulling up too far.

Regards Nick.
26 November 2021 at 13:10 #573064
Howard Lewis
Participant
@howardlewis46836
As an aside, releasable cable ties are available, and very useful they can be!

Especially as they tend to be wider and stronger than the single use alternative.

Howard
26 November 2021 at 16:37 #573093
John Haine
Participant
@johnhaine32865
I suddenly get why Joe Noci wanted to do C axis wrapping…
26 November 2021 at 17:35 #573102
Neil Wyatt
Moderator
@neilwyatt
Reversing a section of belt to make a custom pulley is a great idea, I wish I'd thought of it.

Neil
26 November 2021 at 21:54 #573131
Michael Gilligan
Participant
@michaelgilligan61133
I sensed that MrInnovative was a star … and this Serbian research paper references him:

**LINK**

https://www.researchgate.net/publication/346007437_Configuring_of_3-axis_vertical_CNC_Machine_for_Rapid_Prototyping_with_two_Translatory_and_one_Rotary_Axes

MichaelG.
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