Straightening
With the manual straightening be sure to have an appropriate choice of mallet.With the manual straightening be sure to have an appropriate choice of mallet. Depending on the type of workpiece material for non-ferrous metals and their alloys should be used hammers copper, brass, tin or wood. Weight of hammer should be selected depending on the thickness of the material prostowanego. When straightening rods and sheet steel hammer strikes the head adjusted at the material, and when hardened objects - other party to hammer. Otherwise is straightening of hardened plates, which are caused by the curvature stress hartowniczymi. Improper straightening plates of hardened, eg by the location of the protrusions on the top of a flat plate and hitting a hammer in the bulge, causing the destruction of parts. The right place to be on strike at the straightening of hardened parts, it is very important because the wrong choice of the place of impact hammer results in greater curvature. The straightening rollers applies screw press. Adjusted at roller is placed on a rotating and kłach hand. The second hand chalk mark gibbosity roller. Then the roller is placed on the supports and through the tip of the screw exerts pressure on the previously selected protrusions on wałku.