Figured plate rolling arrangement roller mode and its figured plate rolling method

A patterned roll and patterned plate technology, which is applied in the direction of rolling force/roll gap control, roll, metal rolling, etc., can solve problems such as unstable quality, roll peeling, and large limitations, so as to achieve easy mastery and avoid roll peeling , easy to select the effect

Inactive Publication Date: 2008-02-13
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now domestic rolling mills generally only consider the forward slip value of the flat roll, that is, the nominal diameter of the patterned roll = the straight length of the flat roll + 2 times the forward slip value of the flat roll; some rolling mills match the patterned roll on the upper roll, and the roll diameter increases 2.5mm

Method used

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  • Figured plate rolling arrangement roller mode and its figured plate rolling method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In this embodiment, the pattern plate 4 made of Q235A is rolled, the thickness h of the substrate is 1.5 mm, the bean height a of the pattern 5 is 0.3 mm, and the diameter of the flat roll 2 is Φ 平 is 600mm, the front slip value f of the flat roller 平 is 0.5mm, the diameter of pattern roller 3 is

[0037] Φ 花 = Φ 平 +2×a+f 平 =600+2×0.3+0.5=601.1mm

[0038] What this embodiment adopts is hot continuous rolling mill rolling, adopts above-mentioned flat roll and pattern roll, and pattern roll is arranged under the flat roll, pattern plate rolling pressure is 1100t, rolling mill motor power 4500KW. The checkered plate rolling method step of the present embodiment is as follows:

[0039] (1) Heating continuous casting slab

[0040] The thickness of the slab is 210mm, the heating temperature is 1250°C, and the dwelling time is 180 minutes;

[0041] (2) Rough rolling

[0042] Exit thickness is 35mm, descaling is four steps, rough rolling exit temperature is 1140℃

[00...

Embodiment 2

[0048] In this embodiment, the patterned plate 4 whose material is Q195A is rolled, the thickness h of the substrate is 2.35 mm, the bean height a of the pattern 5 is 0.5 mm, and the diameter of the flat roll 2 is Φ 平 is 600mm, the front slip value f of the flat roller 平 is 0.5mm, the diameter of pattern roller 3 is

[0049] Φ 花 =600+2×0.5+0.5=601.5mm

[0050] What this embodiment adopts is hot continuous rolling mill rolling, the patterned roller is arranged under the flat roller, the rolling pressure of the patterned plate is 1100t, and the motor power of the rolling mill is 4500KW; The drop rate is 11%, the finish rolling temperature is 880°C, and the groove depth of the new patterned roll is 4mm.

Embodiment 3

[0052] What is rolled in this embodiment is the checkered plate 4 whose material is Q215A, the thickness h of the base plate is 2.75mm, the bean height a of the checkered pattern 5 is 0.6mm, and the diameter of the flat roll 2 is Φ 平 is 600mm, the front slip value f of the flat roller 平 is 0.5mm, the diameter of pattern roller 3 is

[0053] Φ 花 =600+2×0.6+0.5=601.7mm

[0054] What this embodiment adopts is hot continuous rolling mill rolling, the patterned roller is arranged under the flat roller, the rolling pressure of the patterned plate is 1100t, and the motor power of the rolling mill is 4500KW; The down rate is 13%, the final rolling temperature is 880°C, and the groove depth of the new patterned roll is 4mm.

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Abstract

A roller matching pattern for hot continuous tandem mill checked plate rolling and the diamond plate rolling method; the roller matching pattern is characterized in that the relationship between the diameters of a checked roller and a flat roller is that the nominal diameter of the checked roller is equal to the sum of the diameter of the flat roller and twice of the beam height and the forward sliding distance value. The rolling method of the checked plate comprises the steps of heating continuous casting plate base; rough rolling; fine rolling and winding; the present invention is characterized in that the relationship between the diameters of a checked roller for fine rolling and a flat roller is that the nominal diameter of the checked roller is equal to the sum of the diameter of the flat roller and twice of the beam height and the forward sliding distance value; the checked roller is equipped under the flat roller in the process of fine rolling and the reduction percent is 9 to 25 percent in the process of fine rolling. The roller matching pattern for the hot continuous tandem mill checked plate rolling can enlarge the product specification of the checked plate which is easy to master; the reduction percents for checked plates with base plates of different thicknesses are provided with this checked plate rolling method which can prevent the roller from falling off and the accident from happening because of the overload operation of the roller main shaft.

Description

technical field [0001] The invention relates to a pattern plate rolling roll matching method and a pattern plate rolling method thereof. Background technique [0002] Checkered plate is widely used in construction, transportation, and public places as a non-slip steel plate. In GB709-88, there are various specifications, and its thickness ranges from 1.5mm to 12.7mm. The rolling of the hot rolling mill is the main process of producing the checkered plate, and the ratio of the diameter of the flat roll of the hot-rolled checkered plate to the diameter of the checkered roll, that is, the matching method of the flat roll and the checkered roll, is the key to the hot-rolled checkered plate. After the billet is hot-rolled into a patterned plate, its thickness is thinned. The ratio of the diameter of the flat roll to the diameter of the patterned roll varies with the bean height of the patterned plate and the thickness of the steel plate. Therefore, the ratio of the diameter of th...

Claims

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Application Information

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IPC IPC(8): B21B1/22B21B27/02B21B37/58
Inventor 李祥王育田
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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