Sometimes you simply cannot buy the tool you need for the job, and must make it yourself. This shop made reamer is a perfect example.
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The going train of the clock starts to take shape in this video, as I make a start on the arbors and wheel collets. The heat blued finish put on some steel parts by clock and watchmakers is quite dependent on a consistent, even heat being applied to the part. Smaller parts like short screws can be heated on a thick piece of brass with holes drilled to accept the threaded portion of the screw. Larger parts are best heated on a bed of brass chips, held within some sort of tray. For some time I've been using a tray cobbled together from brass scraps, so in this video I make a more permanent version. Its surprising how much of the time required for clockmaking is spent making screws! They're such a small, apparently insignificant part, yet they require a surprisingly large number of operations to complete. In this video, I go through all of the steps to make a hardened, and tempered screw, focusing on the 4 screws required to fasten the chapter ring inside the bezel. Be sure to watch the companion Spare Parts video: Drilling And Tapping A Small Blind Hole. |
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October 2018
AuthorVideo's by Chris from Clickspring. Categories |