The work on the UNIZ 14" power hacksaw goes on! Almost all the elements are now cleaned, adjusted ans painted again. Most of the parts are reassembled again and the saw begins to show its best. The saw comes without its singular switch. In some weeks we will begin the work with the electrical wiring. The main target will be to overhaul its electrical system using a more conventional micro-switch and relay scheme.

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The apron Following with the overhauling of the Leinen LZ4SB now the star is the apron. The Leinen apron is double walled and all the mechanisms run in an oil bath. It has an clever mechanism to stop the transversal and the longitudinal advances when there is too much torque. This allows to work with adjustable stops during automatic turning or facing operations. Power transmission between the feed bar and the apron is done through a worm drive placed inside the apron case.

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The work on the power hacksaw is slowly moving forward. The saw was completely disassembled and cleaned. It was really dirty, full of chips and old grease. Just to show the state, look at the cutting fluid tank absolutely full of chips. The last owner shouldn’t be very proud of it… An extremly dirty cutting fluid tank of the hacksaw After disassembling, the general state observed is good enough for a maybe 50 or 60 years old saw.

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This Feb 21 we have been in Juncosa (Les Garrigues) to buy an old Uniz power hacksaw. This is the smaller of several Uniz saws. It is labeled as 14in and has a 160mm cutting capacity on round bills. Built in the Basque country around the 60’s, the company ceased time ago. The saw is really sturdy with a weight of more than 300 kg. It was kindly transported by my brother Jordi.

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The factory pictures of the lathe show a tool tray and stand for the blueprints. We made a tray identical to the original. The work of steel sheet, for which we have no material or tools, was made by Lázaro Metalpress. The result, once painted is this: The tray was covered by a neoprene sheet of Plàstics Pujol.

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