Brockhaus Heuer complete catalogue Strana 38
Nabídka komerčních zákazníků **Nejlépe prodávané z Brockhaus Heuer
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The bench-vice history An indispensable tool and its origin. In the mists of the distant past, whoever came upon the idea of fixing items to be worked on in such a way that they would not move under the pressure of sawing, filing and boring, is unknown. The astonishing fact is that today in the computer age, the vice as a purely mechanical tool is indispensable; and no workshop crammed with electronic devices can do without it. A decisive step in the development of this indispensable tool into its present form was the replacement of clamping techniques using wedge and hammer by clamps with threads Spindle production 38 in the middle ages. The disadvantage: the moving jaws could only be guided radially so that the clamped items would more less tilt. It was only with the introduction of the parallel vice in 1750 on which the movable jaws were guided on horizontal adjustable slots that a breakthrough was made to the optimal application. In 1830 in England the first cast iron vice was produced. Liquid iron could be transformed into any shape easily. When pouring, air pockets often occurred within the cast, so-called cavities. The structure was therefore porous and brittle. The result: insufficient Welding robot resistance for harder tasks, causing breakage. For this reason, for example, parts vital for safety in the car industry and high-grade unbreakable vices are made of steel. The structure of the steel is made homogeneous through forging. With the introduction of the jackhammer with its heavy hammering capability and the use of forges with strict tolerances, the problem of accurate shaping was solved. The birth of the HEUER Vice When Josef Heuer, the experimenter and inventor from Iserlohn, invented a new build of drop-forge vice with its revolutionary dual-prism guide track
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