Modifying Helical-Path Transports to Obtain Tracking Improvements

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 82, No. 8, pp. 665–668
Abstract: Helical-path transports as they are usually designed for photographic processing machines can cause tracking problems because the film typically approaches the spools in a manner that makes it want to “walk” off the spools. This inherent problem can make the film path difficult to control. Also the flanges on the spools can cause edge damage on the product and generate “dirt.” For new machines where design flexibility is available, elimination of the helix is recommended for eliminating these problems. A design is suggested that will accomplish this but yet keep the general helical-path configuration. For existing transports, several tracking aids and techniques are suggested to minimize the tracking problem.
Publication Date: 1973-08-01
DOI: 10.5594/J13467
ISSN: Print: 0361-4573
Link: https://doi.org/10.5594/J13467
Author(s): Robert I. AndersonPhotographic Technology Div., B-69, Kodak Park, Rochester, NY 14650
Copyright: © 1973 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

The Conversion of a Processing Machine to the Soft-Touch Spring-Spool Demand-Drive System [Active]
A New Demand-Drive System for Processing Machines Using Spring-Centered Spools [Active]
1. Fitch Stanley G. , Photographic Processing Apparatus , U.S. Patent 3,122,086. EXTERNAL
3. Billings Jack T. Witherow Lawrence R. , Web Support Roller Surface , U.S. Patent 3,493,161. EXTERNAL

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13467

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at https://doi.org/10.5594/J13467

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<span class="citation">Robert I. Anderson; <cite>Modifying Helical-Path Transports to Obtain Tracking Improvements</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973. Available at <a href="https://doi.org/10.5594/J13467" target="_blank" rel="noopener">https://doi.org/10.5594/J13467</a></span>

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Robert I. Anderson; Modifying Helical-Path Transports to Obtain Tracking Improvements, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973
doi: 10.5594/J13467
url: https://doi.org/10.5594/J13467

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<li>
Robert I. Anderson; <cite id="bib-10-5594-j13467">Modifying Helical-Path Transports to Obtain Tracking Improvements</cite>, Journal of the SMPTE ( Volume: 82, Issue: 8, August 1973); SMPTE, 1973
<span class="doi">10.5594/J13467</span>
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Referenced By

Progress Committee Report for 1973 [Active]