During the last months I’ve been helping Luke Rickert —of Elisenberg Engineering— to move forward a foundry project. I had a limited experience on foundry business that comes from the rebuilding of a cabinet saw and Luke’s project became a really interesting experience.

All begins when Luke asked me about foundries in Catalonia. He currently lives in southern France and he is really close to catalan speaking lands.

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Old mechanical sewing machines are a true gift: robust, nice, effective and useful. Refurbishing them is, however, not so easy. Screws, particulary, are most of them made following old norms or simply following no norms. This is the story of a Singer sewing machine screw.

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Because of reasons, I needed to cross drill some shafts with some weird diameters. I own an old imperial Reglus drilling jig but I didn’t have the required bushings. I decided to make some of them. This post shows how drilling bushings where made.

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One of the jobs done this summer is a special square intended to facilitate the alignment of the grinder axis. I own a Klaiber WSII tool grinder. This grinder has a head with several degrees of freedom and aligning it to the table is not easy given the poor quality of the head scales. Thus, I decided to build a particular square that fits in the head nose and offers a reference plane to test with the indicator or the protractor, for instance.

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sBs

An unusual software engineer working on dirty and greasy machines

Catalonia