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Machine leader and splicing techniques?


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#1 James Steven Beverly

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Posted 18 January 2008 - 02:04 AM

Are there any techniques specific to machine leader to explosed stock prior to threading it through the processing machine or is it just a simple tape splice as one would use during the editing process? Also what are the differences (if any) between machine leader and say standard white leader used for film projection and editing?
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#2 Robert Houllahan

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Posted 18 January 2008 - 11:32 AM

Are there any techniques specific to machine leader to explosed stock prior to threading it through the processing machine or is it just a simple tape splice as one would use during the editing process? Also what are the differences (if any) between machine leader and say standard white leader used for film projection and editing?



Machine leader is usually tougher than white leader, a tape splice like one for editing will break and crash the machine, in general stainless steel staples and special tape splices with punch holes in the film such that the splicing tape contacts side to side through the film for strength are the way to go.

Also machine leader does not have perfs...

-Rob-
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#3 Charles MacDonald

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Posted 18 January 2008 - 08:43 PM

Machine leader is usually tougher than white leader, a tape splice like one for editing will break and crash the machine,
Also machine leader does not have perfs...

there are several types of "machine leader" but it often has either no coating or a special coating that will not react with teh chemicals.

There is even a spcial "threading leader" that is white on one side and black on the other to make sure the machine does not have a twist in the film.

Some of the still labs use a splice that has materirial like a slide mount, and it is leteraly melted into the film, the back of the tab has a consecutive number for matching the film at the other end. I would imagine they would wor for movie film also.
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Wooden Camera

Willys Widgets

Technodolly

Gamma Ray Digital Inc

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