An electroplastic wide band rolling device
An electroplastic and wide-band technology, applied in rolling mill control devices, metal rolling, metal rolling, etc., to achieve the effect of improving cold rolling ability, improving plastic deformation ability, and optimizing constitutive relationship
Active Publication Date: 2020-03-06
YANSHAN UNIV
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Problems solved by technology
At present, no related inventions of conductive rollers have been found to be applied to electroplastic rolling devices
Method used
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[0043] The processing material is annealed 304 stainless steel, the width is 100mm, the thickness is 0.5mm, and the reduction of each pass is 0.1mm.
[0044] refer to figure 1 Referring to Fig. 9, refer to the experiment of rolling 5 strips in a four-roll reversing mill as an example, including left reel 1, right reel 17, left guide roller 3 and right guide roller 16, left tension roller 4 and right tension roller 15, lower left Conductive roll 5 and upper left conductive roll 6, upper right conductive roll 13 and lower right conductive roll 14, between the left and right conductive rolls is a pair of designed conductive work roll groups, the upper roll group is composed of upper support rolls and upper work rolls, the lower The roll group consists of the lower support roll and the lower work roll. The left guide roller 3 is used to adjust the strip material released from the left reel 1 to pass over the left tension roller 4, pass through the lower left conductive roller 5 a...
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The invention discloses an electroplastic wide-band rolling device, comprising: a pulse power supply, a work roll embedded with a conductive block, a movable conductive roll and an intelligent electro-plastic measurement and control system, wherein the conductive block is helpful for horizontally homogenizing the current of the cold-rolled wide band Distribution, intelligent electroplastic measurement and control system helps to automatically adjust electroplastic parameters online. In the rolling process, firstly, the intelligent electric plastic measurement and control system sets electrical parameters such as pulse current density, frequency, and pulse width according to the rolling parameters, and at the same time automatically adjusts the distance between the left and right conductive rolls and the work rolls; Rolling, synchronously start the electric pulse, carry out electroplastic rolling, and increase the speed of rolling after the parameters are stable; when approaching the end of the strip, during the process of reducing the speed, monitor the change of the electric parameters in real time, and turn off the pulse power supply in time before stopping. The invention strengthens and homogenizes the pulse current distribution in the cold rolling wide band, optimizes and adjusts the electrical parameters in real time according to the rolling parameters, realizes the optimal application of the electroplastic effect, and improves the plastic deformation ability in the cold rolling process.
Description
technical field [0001] The invention relates to the field of plastic processing of rolling machinery and equipment, in particular to an electroplastic wide-band rolling device suitable for hard-to-deform wide bands such as high-grade alloy strips and superhard materials. Background technique [0002] The rapid development of new materials has largely promoted industrial progress and technological innovation, and subsequently put forward higher requirements for processing equipment and production technologies for new materials, especially high-strength and high-hardness alloys or brittle and difficult-to-deform metal materials, such as super High-strength steel, magnesium alloy, titanium-nickel alloy, and alloy strips such as tungsten, molybdenum, and rhenium have the common characteristics of difficult cold rolling, poor plasticity, and prone to problems such as uneven deformation, edge cracking, difficult elongation, and severe work hardening. Hot rolling will lead to probl...
Claims
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IPC IPC(8): B21B1/22B21B37/00
CPCB21B1/22B21B37/00B21B2001/225
Inventor 杨利坡刘耕良商好强张海龙张永顺于华鑫
Owner YANSHAN UNIV