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Temper mill applying chromium-plated roller

A technology of skin pass mill and roll, applied in the field of skin pass mill, can solve the problems of increased cost consumption, delayed production schedule, rapid roll consumption, etc., and achieves the effect of improving production efficiency and production quality, improving operation rate, and high chrome plating efficiency

Pending Publication Date: 2021-01-15
江苏友富薄板科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As a consumable device in the work of the temper mill, the roll is an attenuating copy process for the transmission of the surface morphology of the strip. The quality of the roll directly affects the quality of the strip. During the use of the existing temper mill The consumption of rolls is fast, frequent roll changes and shutdowns are required, which delays production progress and increases cost consumption

Method used

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  • Temper mill applying chromium-plated roller
  • Temper mill applying chromium-plated roller
  • Temper mill applying chromium-plated roller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In the tempering mill using chrome-plated rolls in this embodiment, the rolls of the tempering machine are chrome-plated rolls with a diameter of 450 mm.

[0044] The chrome-plated roll that the tempering machine of the present embodiment adopts is as figure 1 As shown, a chrome-plated layer 1 is formed on the roll substrate 2. By using a chrome-plated roll, the single rolling time of the roll can be increased by 3 to 10 times, reducing the downtime for roll change, improving the operating rate, and the chrome-plated roll. The wear resistance of the roll improves the uniformity of the surface roughness of the strip during the rolling cycle. The chrome-plated roll also improves the hardness of the roll surface and reduces scratches on the roll surface, which is beneficial to improving the surface quality of the strip and the cleanliness of the plate surface. The lubricating ability of the roll.

[0045] Further, for the chrome-plated roller used in this embodiment, the ...

Embodiment 2

[0055] The skin pass mill of the application chrome-plated roll of the present invention adopts the following method to process the chrome-plated roll of 450mm:

[0056] 1. Pretreatment: use a clean silk cloth to dip in the degreasing agent along the circumferential direction of the roller and rotate with the roller body to scrub the surface of the roller body to remove oil and impurities; the scrubbing operation is repeated three times;

[0057] 2. Cleaning: Use a pure water high-pressure water gun with a water temperature of 40°C to rinse the surface of the roll to be plated; after cleaning, check whether the water-hanging film is uniform. If it is uniform, proceed to step 3. If not, repeat the operations of step 1 and step 2;

[0058] 3. Preheating: Put the cleaned roll into the chrome plating tank and preheat it;

[0059]4. Anti-plating: Anti-plating is carried out on the roll to be plated. During anti-plating, the rotation speed of the roll is 5 rpm, the anti-plating time...

Embodiment 3

[0072] The skin pass mill of the application chrome-plated roll of the present invention adopts the following method to process the chrome-plated roll of 450mm:

[0073] 1. Pretreatment: use a clean silk cloth to dip in the degreasing agent along the circumferential direction of the roller and rotate with the roller body to scrub the surface of the roller body to remove oil and impurities; the scrubbing operation is repeated three times;

[0074] 2. Cleaning: Use a pure water high-pressure water gun with a water temperature of 40°C to rinse the surface of the roll to be plated; after cleaning, check whether the water-hanging film is uniform. If it is uniform, proceed to step 3. If not, repeat the operations of step 1 and step 2;

[0075] 3. Preheating: Put the cleaned roll into the chrome plating tank and preheat it;

[0076] 4. Anti-plating: Anti-plating is carried out on the roll to be plated. During anti-plating, the rotation speed of the roll is 5 rpm, the anti-plating tim...

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Abstract

The invention discloses a temper mill applying a chromium-plated roller, and belongs to the field of forming equipment. The roller of the temper mill adopts the chromium-plated roller with the diameter of 450 mm. Through the improvement of the present invention, the single rolling time of the roller can be prolonged by 3-10 times, the roller replacement downtime is shortened, the operation rate isimproved, the abrasion resistance of the chromium-plated roller is improved, the uniformity of the surface roughness of strip steel in the rolling period is improved, the surface hardness of the chromium-plated roller is further improved, roller surface scratches are reduced, the surface quality of the strip steel and the cleanliness of the plate surface are improved, and the lubricating capacityof the roller is improved.

Description

technical field [0001] The invention belongs to the field of forming equipment, and more specifically relates to a tempering machine using chrome-plated rolls. Background technique [0002] The tempering machine is suitable for strip leveling and cold rolling skin pass. The strip steel after recrystallization annealing and galvanizing often needs to be leveled, so that the strip steel can obtain the necessary performance and surface quality to meet the requirements of subsequent processing. [0003] As a consumable device in the work of the temper mill, the roll is an attenuating copy process for the transmission of the surface morphology of the strip. The quality of the roll directly affects the quality of the strip. During the use of the existing temper mill The roll consumption is fast, and frequent roll change and shutdown are required, which delays the production schedule and increases cost consumption. Contents of the invention [0004] In order to solve at least on...

Claims

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Application Information

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IPC IPC(8): B21B27/02B21D1/02C25D7/00C25D3/08C25D5/34
CPCB21B27/021B21D1/02C25D7/00C25D3/08C25D5/34
Inventor 梁泽鹏
Owner 江苏友富薄板科技有限公司
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