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14 May 2007 Temperature variation of pitch in a pitch pot
Stefan Droste, Charles Klinger
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Proceedings Volume 10316, Optifab 2007: Technical Digest; 103161I (2007) https://doi.org/10.1117/12.717776
Event: Optifab 2007, 2007, Rochester, New York, United States
Abstract
Opticians have for years kept polishing pitch in electrified containers called "pitch pots" that keeps it in at an elevated temperature. The temperature is adjusted to achieve the desired pitch viscosity. When pitch is desired, the optician will remove the cover, reach into the pot and scoop out a glob of pitch with his hand. However, without thinking, most opticians will "fold over" or "push aside" the top layer of pitch to select pitch from deeper in the pot. This paper documents the change in temperature as the distance from the top surface increases. It also shows the effect of insulating the top cover.
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Stefan Droste and Charles Klinger "Temperature variation of pitch in a pitch pot", Proc. SPIE 10316, Optifab 2007: Technical Digest, 103161I (14 May 2007); https://doi.org/10.1117/12.717776
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KEYWORDS
Foam
Polishing
Temperature metrology
Aluminum
Applied sciences
Manufacturing
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