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Author Topic: Lathes, more manual & labor intensive (=cheaper)  (Read 24763 times)

Gold

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #30 on: July 30, 2010, 07:35:15 pm »

I have no direct experience with it. Those who have it seem to like it. I have seen other vinylium products and was supremely unimpressed with the build quality. PCB's with no solder mask for instance. Not cool for a production unit.
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Paul Gold
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johnR

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #31 on: July 31, 2010, 07:29:55 am »

Gold wrote on Sat, 31 July 2010 00:35

 PCB's with no solder mask for instance. Not cool for a production unit.

FWIW, a solder mask is only needed for automated soldering in a wave machine or similar. If it's hand soldered (quite common with low production quantities) it isn't necessary as long as the PCB has been designed with adequate spacing between the uninsulated tracks. If there is a problem with lack of insulation a layer of conformal coating or insulating varnish will fix that.
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Gold

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #32 on: July 31, 2010, 09:31:09 am »

It was uncoated copper which can and will oxidize. Fine for a prototype.
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Paul Gold
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johnR

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #33 on: July 31, 2010, 12:13:14 pm »

Gold wrote on Sat, 31 July 2010 14:31

It was uncoated copper which can and will oxidize. Fine for a prototype.

Yes, that's a problem. I'd expect a production board to be at least tin plated if there's no other coating.
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Bodyslam

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #34 on: August 01, 2010, 03:37:07 am »

Greg Reierson wrote on Fri, 30 July 2010 11:56

What do you guys think of the Vinylium pitch system?


I've been using one for several years and I think it's excellent.
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Paul Stubblebine

<a href="http://www.paulstubblebine.com" target="_blank">http://www.paulstubblebine.com</a>

Bob Olhsson

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #35 on: August 01, 2010, 11:28:21 am »

TotalSonic wrote on Wed, 07 July 2010 17:16

...with fixed pitch as you go to more LPI you have to make sure that your bass and level don't cause overcuts a lot more strictly than what you can get away with when using a pitch/depth computer...
It's lots easier to eyeball over-cuts using fixed pitch. The randomness of variable pitch requires that a fudge factor be introduced that can easily cost you more in level than you can get from the combination of fixed pitch and checking the heavy modulation under the microscope.

jason goz

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #36 on: August 10, 2010, 12:31:54 pm »

Bob,
Are you talking about looking with the naked eye or through the eyepiece/monitor?
Jason

Bob Olhsson

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #37 on: August 22, 2010, 07:00:11 pm »

jason goz wrote on Tue, 10 August 2010 11:31

Bob,
Are you talking about looking with the naked eye or through the eyepiece/monitor?
Jason
You find the problem areas with the naked eye and then study them closely with the microscope. A geared lathe will cut almost exactly the same thing over and over.

TotalSonic

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #38 on: October 13, 2010, 04:42:07 pm »

Bumping this back up to the top as it seems I'm just that kind of fool who can't take their own advice...
but it's kind of the realization of what Jaako was talking about in his first post ->
So - just bought a Fairchild 523 lathe.  I'm not sure of the age (I believe late 50's or early 60's)  and in fact have never seen another one like this - but it's a precursor to their more commonly found 740.   It's definitely not as capable as a Neumann - with manual pitch (but with a decent range of 80 - 400lpi) but has a number of "pro" features such as vacuum lock down on the platter, chip pickup, 16" platter, 3 speed, and what looks to me like a decently designed overhead carriage system.  

Right now I'm just coordinating getting it moved in the next couple weeks from Windsor Ontario to my digs here in Brooklyn.  If anyone wants to do a road trip in about a week or two let me know!

After that - I need to either source a Gotham amp to get the Grampian mono cutterhead it comes with working - or find a stereo cutterhead/amps/RIAA encoder/feedback controller and then get a suspension/mount or adapter machined for this.  Anyone with a Westrex 3D or Haeco SC-2 (or similar) and or Westrex 1700 or 1574 for sale please contact me!  Also anyone with any form of documentation for any of the Fairchild lathes please contact me as well!!

Some pics below:
http://www.totalsonic.net/fairchild/1.jpg
http://www.totalsonic.net/fairchild/2.jpg
http://www.totalsonic.net/fairchild/3.jpg
http://www.totalsonic.net/fairchild/4.jpg
http://www.totalsonic.net/fairchild/5.jpg
http://www.totalsonic.net/fairchild/6.jpg
http://www.totalsonic.net/fairchild/7.jpg
http://www.totalsonic.net/fairchild/8.jpg
http://www.totalsonic.net/fairchild/9.jpg
http://www.totalsonic.net/fairchild/10.jpg

Best regards,
Steve Berson

bblackwood

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #39 on: October 13, 2010, 04:50:38 pm »

Looks like a ton of work, but I find it really intriguing...
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Brad Blackwood
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Dominick

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #40 on: October 13, 2010, 05:36:22 pm »

Steve,
Where did you find the Fairchild? It looks exactly like the one my first boss Bernie Zimney cut on at Delta Recording in 1970. 3 years later we got a Scully / Westrex 3D combo from RCA and that's what I learned on.
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Dominick Costanzo

TotalSonic

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #41 on: October 13, 2010, 05:51:57 pm »

Dominick wrote on Wed, 13 October 2010 17:36

Steve,
Where did you find the Fairchild?


I found it on ebay.
The lathe is in Windsor Ontario, in a private home where apparently it's been in storage for 6 years.  Prior to that it was making techno dubplates for a DJ/hobbyist cutter's personal use - but the person who was doing this moved to Europe leaving his father sitting with a big piece of gear in his store room.

Quote:


It looks exactly like the one my first boss Bernie Zimney cut on at Delta Recording in 1970. 3 years later we got a Scully / Westrex 3D combo from RCA and that's what I learned on.


Very cool!  I figured if I end up offering cutting as a service using this lathe I can advertise it with the motto "Let's Party Like It's 1959"  Razz

Best regards,
Steve Berson

Peter Beckmann

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #42 on: October 13, 2010, 06:20:14 pm »

Wow, congrats Steve. Have fun with it!

Are you planning to drive up to collect in person?


Peter
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Peter Beckmann
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TotalSonic

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #43 on: October 13, 2010, 06:48:59 pm »

Peter Beckmann wrote on Wed, 13 October 2010 18:20

Wow, congrats Steve. Have fun with it!

Are you planning to drive up to collect in person?


Peter


Yup - that's the plan.

Best regards,
Steve Berson

bigaudioblowhard

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Re: Lathes, more manual & labor intensive (=cheaper)
« Reply #44 on: October 14, 2010, 08:55:37 pm »

Badass Steve! Congratulations. I watched that auction on ebay, and think you got it for a good price. I fully expected it to go higher.

I'll definitely refer you for the next mono project I get.

(I'm assuming you'll eventually convert it to stereo?)

bab
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