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Pillar Of The Community

1151 Posts
Posted 08/27/2017   12:55 am  Show Profile Bookmark this topic Add stampmaster to your friends list Get a Link to this Message
Don't know if anyone would be interested in see a scan of a photo of a transfer roll and other stuff.

Quality of this photo is rather ratty, but there it is.

Stampmaster


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Bedrock Of The Community
Australia
22373 Posts
Posted 08/27/2017   01:10 am  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply

Part "A" on this machine.

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United States
238 Posts
Posted 08/27/2017   06:05 am  Show Profile Bookmark this reply Add Moyock13 to your friends list  Get a Link to this Reply
Any idea how the press functions? Paper feed, ink application, perforation?
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Bedrock Of The Community
Australia
22373 Posts
Posted 08/27/2017   08:40 am  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply
Moyock.
see Siderography
https://en.wikipedia.org/wiki/Siderography

The engraver does the master on a plate (In reverse)
The transfer roller transfers the image onto the soft steel of the transfer roller.
This is then hardened and used as the master die for the plates.
Hope this makes sense.

Ergo, all printed stamps are facsimiles of the original engraved die.
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Edited by rod222 - 08/27/2017 08:45 am
Bedrock Of The Community
Australia
22373 Posts
Posted 08/27/2017   08:48 am  Show Profile Bookmark this reply Add rod222 to your friends list  Get a Link to this Reply


A fabulous explanation from our member Russ.........

http://goscf.com/t/11260#11260 br /
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Pillar Of The Community
2717 Posts
Posted 08/28/2017   05:51 am  Show Profile Bookmark this reply Add jogil to your friends list  Get a Link to this Reply
For intaglio (recess engraved) printing: Original single die (reversed sunk) impression from which die proof impression can be taken (unreversed raised). Die impression (reversed sunk) transferred on to transfer roller (unreversed raised) impression in order to transfer it to the printing plate as many times as needed (reversed sunk) impression. Transfer roller (unreversed raised) impression transferred to printing plate (reversed sunk) impression on printing plate as many times as needed from which printing plate proof impression and printing of plate can occur (unreversed raised). See: http://www.stampsmarter.com/learnin...graving.html
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Edited by jogil - 08/28/2017 06:56 am
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United States
238 Posts
Posted 08/28/2017   06:31 am  Show Profile Bookmark this reply Add Moyock13 to your friends list  Get a Link to this Reply
This was an awesome lesson. Thank you, all.

One more question. Was the stamp material hand fed or was it somewhat automated?
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Edited by Moyock13 - 08/28/2017 06:32 am
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