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Pivot Polishing / Burnishing & Bushings with Ken DeLucca, NAWCC Education Director

This three-day workshop will focus on the importance of pivot polishing and pivot burnishing. These are two separate processes, and all clocks benefit from having this service performed. Pivot polishing/burnishing will first be conducted by hand, then by using a modern benchtop mini-lathe. Participants will also polish/burnish pivots using the Rollimat Pivot Polisher machine.

Most clocks will show signs of pviot hole wear, especially spring-driven clocks. For this reason, bushing pivot holes will be necessary. During this workshopm at least one busing will be inserted by hand, while other bushings will be inserted using the Bergeon bushing system or KWM bushing machines. If you have your own bushing machine and bushings, please contact the instructor about using them in the workshop.

Additionally, the first day of the workshop will focus on learning basic lathe operations, with the creations of individual "runners" or a simple and inexpensive Jacot-type of pivot support. All workshop participants will be provided a work American time/strike clock to "restore." This movement may be kept by the participant after the completion of the workshop.

Tools: The practice movement (yours to keep) and basic hand tools (that remain property of the School of Horology) will be provided. If you have your own practice movement, please contact the instructor for approval to use it in this workshop. Bring your own binocular magnifier (visor) or similar device and safety glasses for all lathe operations and mainspring removal. Magnifying visors and safety glasses will be provided if you do not have them.
Friday, March 1, 2024, 9:00 AM until Sunday, March 3, 2024, 9:00 AM Eastern Time (US & Canada) (UTC-05:00)
National Association of Watch and Clock Collectors
454 Poplar Street
Columbia, PA  17512

(717) 684-8261 x237
Additional Info:
National Events
Registration is required
Payment In Full In Advance Only