Method for straightening steel plate
A steel plate and straightening technology, which is applied in the field of improving the quality of steel plates, can solve problems such as poor straightening effect, crushed steel plates, and high waste rate, and achieve the effect of improving the pass rate and improving efficiency
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[0018] Example one
[0019] Horizontal buckling straightening method:
[0020] The steel plate is squeezed and straightened by using jack pressure straightening as the pressure source. The specific steps of the method are as follows:
[0021] ①Before straightening, according to the deformation state and degree of the steel plate, place two shim 3 and arc shim 2 on the straightening platform at appropriate positions, and place the steel plate on the straightening platform through the roller table;
[0022] ② According to the actual deformation of the steel plate, select the position where the steel plate is first compressed, and place an arc-shaped gasket on the upper surface of the steel plate, and place a shim in the upper end of the arc-shaped gasket;
[0023] ③Start the jack pressure correction, the pressure head presses down the squeeze shim, the pressure is transmitted to the arc-shaped gasket to squeeze the deformed part of the steel plate;
[0024] ④ Constantly adjust the pressure...
Example Embodiment
[0030] Example two
[0031] Method of straightening in length direction:
[0032] Such as Figure 5 As shown, one shim 3 and arc shim 2 are placed on the head of the steel plate 1 in the longitudinal direction, and the other shim 3 and arc shim 2 move a certain distance along the length. At the highest point between the arc shim 2, gradually move the shim 3 and the arc shim 2 under the steel plate 1 along the length of the steel plate 1. After each movement, use the indenter to pass the shim 3 and the arc shim 2 Squeeze the highest point of steel plate 1 until straightening is completed.
[0033] The thickness of the lower gasket is 10mm, the position of the gasket is shown in the parameter table (straightening from east to west)
[0034] Steel plate thickness
[0035] Steel plate thickness
Example Embodiment
[0036] Example three
[0037] Straightening method of bridge steel plate:
[0038] 1. Such as Image 6 As shown, a flat steel plate 1 is first placed on the thousand-ton pressure leveling roller table, and then the head of the bridge-shaped steel plate 1 is placed 1 meter from the tail of the flat steel plate, and the flat steel plate moves forward on the roller table, thereby removing the bridge-shaped steel plate 1 Bring into the straightening platform.
[0039] 2. Use the indenter to squeeze into the highest point of the steel plate 1 of the straightening platform, and then use this as the starting point to straighten the steel plate every 200mm to the steel plate head, and then start from the starting point to the steel plate Straighten the tail direction every 200mm until the tail of the board.
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