What is the point of Polycarbonate Discs?

This is where record cutters raise questions about cutting, and trade wisdom and experiment results. We love Scully, Neumann, Presto, & Rek-O-Kut lathes and Wilcox-Gay Recordios (among others). We are excited by the various modern pro and semi-pro systems, too, in production and development. We use strange, extinct disc-based dictation machines. And other stuff, too.

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KeeLeh21
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What is the point of Polycarbonate Discs?

Post: # 15137Unread post KeeLeh21
Thu May 26, 2011 7:48 pm

What is the point of a polycarbonate disk? does anybody use those here?

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piaptk
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Post: # 15151Unread post piaptk
Fri May 27, 2011 5:17 pm

Lasts longer and costs less than a lacquer. Can be cut into odd shapes, can be turned into picture discs.

They are really the only financially viable way to do runs of lathe cuts that still sound decent.

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opcode66
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Post: # 15152Unread post opcode66
Fri May 27, 2011 5:51 pm

They are like one-off records.

Pros: Durability, can be queued up many times without degradation of the groove unlike a lacquer, can be played thousands of times not hundreds of time like a lacquer, are close to the weight and feal like pressed vinyl.

Cons: They are close to the cost of a lacquer (12" about $8 vs 11 for a lacquer), they have some amount of background noise not present in a lacquer, they are very staticy and will attract a lot of dust (even more than pressed vinyl), they are sort of a pain in the arse to cut right, a diamond stylus is required and is very expensive and can go bad quickly and esily.
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dietrich10
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Post: # 15153Unread post dietrich10
Fri May 27, 2011 6:57 pm

we can get price lower than $8
cutting lacquers-vms70 system

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maniman
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Post: # 15154Unread post maniman
Fri May 27, 2011 7:20 pm

piaptk wrote: They are really the only financially viable way to do runs of lathe cuts that still sound decent.
Amen.

Thinking a bit more about the clarification of the sound difference between , with the Shank stylus now can cut poly with the most cutterheads , not ?

how really sounds a good serious lathe cutting with a diamond ? ( on Neumann or similar for example ).

In other words

Talking about a serious lathe (like a Neumann), we can compare the traditional lacquer cut (with the appropriate stylus ) with the same machine cutting poly with a diamond in terms of sound quality ?

That limitation is inherent to the materials and the extra hardness , or are more lathe quality related ? guess many many other differences between the machine that usually cut lacquers and the one(s?) that cut poly (in all terms , precision , costs , etc )

Someday , someday hope can try by myself.
Very Busy days , some cutting works at least , soon online again

We must promote the use and abuse of vinyl records.

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KeeLeh21
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Post: # 15155Unread post KeeLeh21
Fri May 27, 2011 9:20 pm

opcode66 wrote:They are like one-off records.

Pros: Durability, can be queued up many times without degradation of the groove unlike a lacquer, can be played thousands of times not hundreds of time like a lacquer, are close to the weight and feal like pressed vinyl.

Cons: They are close to the cost of a lacquer (12" about $8 vs 11 for a lacquer), they have some amount of background noise not present in a lacquer, they are very staticy and will attract a lot of dust (even more than pressed vinyl), they are sort of a pain in the arse to cut right, a diamond stylus is required and is very expensive and can go bad quickly and esily.
thanks very helpful post

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opcode66
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Post: # 15158Unread post opcode66
Sat May 28, 2011 12:24 am

Good results are possible with some work. I hope I didn't deter you from trying to cut plastic. Everything is a give and take you know.
Cutting, Inventing & Innovating
Groove Graphics, VMS Halfnuts, MIDI Automation, Professional Stereo Feedback Cutterheads, and Pesto 1-D Cutterhead Clones
Cutterhead Repair: Recoiling, Cleaning, Cloning of Screws, Dampers & More
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maniman
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Post: # 15166Unread post maniman
Mon May 30, 2011 5:30 am

Aha , I can't imagine , I only saw a Neumann a years ago , never touch one , If I'm not wrong the Nickou's one is the only Neumann alive in the city.

Maybe seems and stupid idea but modding a Neumann to cut poly can mean the best durable dub ever seen , and can give new life to a Neumann, in the sense of how many weekly cuts have to do to make it profitable , not ? I imagine the master recording business are relatively limited , the pressed production are far far away of the good times , not ?

In all sizes plant ( from relatively small as my45 until giants as GZ media ) the lathe use is relatively necessary , but have a serious lathe that isnt part of a pressing chain seems me totally non-viable , Now knowing this maybe can think in that as very very long term project.
Very Busy days , some cutting works at least , soon online again

We must promote the use and abuse of vinyl records.

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opcode66
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Post: # 15171Unread post opcode66
Mon May 30, 2011 6:40 pm

I didn't have to mod anything. Just used a diamond instead of a sapphire. And, had a lamp with a 100W incandescent bulb pointed at the surface of the disc. Let the disc heat up. When it is at optimal temperature start cutting.
Cutting, Inventing & Innovating
Groove Graphics, VMS Halfnuts, MIDI Automation, Professional Stereo Feedback Cutterheads, and Pesto 1-D Cutterhead Clones
Cutterhead Repair: Recoiling, Cleaning, Cloning of Screws, Dampers & More
http://mantra.audio

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ArchaicRecords
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Post: # 15186Unread post ArchaicRecords
Wed Jun 01, 2011 3:43 pm

Isn't it possible to cut into poly with a heated steel stylus?
archaicrecords.com

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