Monday, February 11, 2019

Small Machine Tools and Tooling

I have some notes on big machine tools. But probably more of America was built with many small machine tools than with a few big ones. I'm starting some notes concerning small machine tools.

Steve Johnson shared a link to a photo album with the comment: ""Our pneumatic tools in use on one hundred and thirty-five railroads" 1897 Chicago Pneumatic Tool Co pneumatic hammers brochure, including their Boyer Railway Speed Recorder. Very cool illustrations, rare early brochure, company incorporated in 1895."
Steve Johnson Did a very extensive search and only found one other copy, in the Canadian National Archives of all places.
Dennis DeBruler Between steam locomotives, ships, bridges, and skyscrapers, there were a lot of rivets that had to be pounded back then.

Below are some of the photos from that album.

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Pneumatic tools are also used to to drill holes. In fact, compressed-air driven tools were invented to create holes in rock for explosives when building tunnels and mining minerals because they can hammer and twist the tool.

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Hammers have many uses. In the case of this photo, cleaning flange off of forgings. I used a smaller pneumatic cold chisel with my 2-horse air compressor to bust the stucco off my house when we were installing a new door. The carpenter I hired to do the job had bought a concrete cutting blade for his saw. But the pneumatic chisel did a much quicker job. He was embarrassed because he had consulted with a friend as to how to remove the stucco. He was also relieved because the saw didn't make much progress, but the chisel cut through the stucco like butter.

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I've also come across videos of a couple of generations of making chain.

Screenshot @ -0:44    (source)
Screenshot @ -0:07   (source)




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