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November 19, 2017, 21:23:06 pm


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1  Made by CamBam / Members Projects / Re: Watch!.. on: May 25, 2017, 14:06:05 pm
Very nice work Arie :-)
2  Made by CamBam / Members Projects / Re: Watch!.. on: May 16, 2017, 20:05:33 pm
well.. those machines, especially if they are meant for watchmaking or jewellry.. they cost a fortune and a half.. if you want to start in such a profession, you spend your entire career paying back the money you had to loan in the first place..

so second hand machines are highly sought after, but still expensive..

That's why i rather design my own, i can dream up a construction that will be easy to build..and, by designing it myself, maintenance is also easy, 'cause i know all the ins and outs..
Yes a friend got this one, I have had a look at it and it's never been used, but the computer and I assume the software is all very out of date so the learning curve to get it running will be very large. I think your idea is the best to build your own.
Arie still impressed with the work you are doing keep it up.
3  Made by CamBam / Members Projects / Re: Watch!.. on: May 16, 2017, 16:01:51 pm
How about using a mill like this, its 5 axis and is made for the manufacture of jewellery and the such like. Its all servo operated, not sure of the cost?
4  Made by CamBam / Members Projects / Re: Watch!.. on: April 01, 2017, 09:39:24 am


I used the trochopock MOp on Titanium this time.. well.. it used to take up to 45 minutes to mill out a watchcas the "old fashioned" way.. with Trochoidal milling it took only 20 minutes, feed from 500 cranked up to 1200mm/min, surface speed from 60 to 90 m/min..

Man!.. that's an improvement..
I drew a small sidepocket to plunge the mill without cutting.. and from there it starts to move sideways into the material.. works like a charm!
Impressive work again Arie, well done :-)
5  Made by CamBam / Members Projects / Re: Watch!.. on: March 20, 2017, 08:30:57 am
https://www.youtube.com/watch?v=NQnQlKpyUdw

I tried Trochoidal Cutting on a Polyurethane watchcase, for both testfitting the movement, and for testing the HSM MOps.. works like a charm.. i also used it on Aluminium last week,but i don't have a video of that.. the machine was ready before i got my phone out to film it..  Grin
Brilliant work Arie, very impressive.
6  Made by CamBam / Members Projects / Re: Just had to brag a little! (and it's FUN!) on: February 07, 2017, 12:09:15 pm
Well done Lloyd  Cheesy
7  Support / CamBam help (General usage) / Re: Simple drilling MOP on: February 06, 2017, 13:02:44 pm
Yes, but depending on the material being machined I change the plunge feed rate, for wood and soft metals the same plunge feed as the cut feed, but for steel I have the plunge rate very slow.
8  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 06, 2017, 12:36:54 pm
Hi Don
Yes the worn is complete, Its made from standard silver steel with no heat treatment, I have read that some constructors have hardened and tempered the worm but I think they used a lower grade of steel, and the worm is so thin at the core I think distortion would be a big problem, unless a vacuum furnace was used (which I don't have access to).

So I have a very high polish on the acting face of the worm and without any lubrication the arbour will spin freely with only light finger pressure on the drive wheel, on final assemble I will use something like Molybdenum Grease or PTF spray on the worm, but not sure at the moment.

Steve
9  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 06, 2017, 09:57:30 am
Dave you will find this is very addictive, look up the story of John Harrison and the British Longitude Board, at the time marine chronometers were at the cutting edge of science.
10  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 05, 2017, 23:32:51 pm
Before we had accurate time keepers like atomic clocks, time was set by looking at the stars and accurately measuring the earths rotation against a known star which gave a very good measurement of time.
11  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 05, 2017, 17:16:40 pm
Hi Don
Thanks for showing an interest in my clocks, this clock is a Merlin Band Clock, the disk is for very fine adjustment as the main adjustment is done on a rating nut on the bob as you correctly pointed out.
The first photo is work done to date.
The second photo is  clock I completed last year.

All the best, Steve
12  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 05, 2017, 09:48:58 am
Hi Dave
Yes it will have a engraved and silvered disk on the centre bose, that will also hide the screw.
13  Made by CamBam / Members Machines / Re: DiyCNC System45 driver card on: February 04, 2017, 21:29:12 pm
First part made with the 4th axis, using CBv1 and the wrapper plugin.
Its a cam for adjusting the pendulum length, disk dia 32mm, still to be fettled and polished  
14  Made by CamBam / Members Projects / Re: X4 Enclosure on: February 02, 2017, 21:32:21 pm
Looks a nice enclosure Bob
15  Made by CamBam / Members Projects / Re: YUCK! Fire-damaged goods! on: February 02, 2017, 21:30:04 pm
Well that cylinder is not much  good for any thing. have you seen much distortion in the frame work of the machine?
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