Stainless steel plate matte surface treatment method and manufacturing method of special roller thereof

A technology of surface treatment and production method, which is applied in the direction of rolls, metal rolling, metal rolling, etc., can solve the problems of poor matte effect of stainless steel plates, insufficient surface treatment of rolls, hazards to the environment and operators, etc. Light effect, uniform and delicate roll surface, stable friction interface effect

Pending Publication Date: 2021-04-06
江苏延汉材料科技有限公司
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AI-Extracted Technical Summary

Problems solved by technology

However, chemical methods often choose hydrochloric acid, nitric acid, hydrofluoric acid, sulfuric acid and other strong acids and toxic substances (such as hydrofluoric acid) as acid etchants to treat stainless steel. These strong acids and toxic substances will cause harm to the environment and operators. Any environmenta...
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Method used

Step 1.3, titanium alloy roll after grinding, the first high speed steel roll and the second high speed steel roll are polished respectively, before polishing, in titanium alloy roll, the first high speed steel roll and the second high speed steel roll Apply 3000-mesh diamond abrasive paste on the surface, and add red lead powder to the diamond abrasive paste to effectively change the color of the roll surface; use a diamond abrasive belt with a roughness of 8.5-9.5um to clean the first high-speed steel roll and the second roll respectively. The high-speed steel roll is polished, the vibration frequency of the diamond abrasive belt is 25-29, the travel speed is 2.5m/min, the tension force is 0.03MPa, the headstock speed is 520 rpm, and 30 round-trip polishing is performed until it is rough The hardness is 0.08~0.1um; the titanium alloy roll is polished with a diamond abrasive belt with a roughness of 5.5~6.5um. , head frame speed is 580 rpm, 50 back-and-forth polishing, polishing to a roughness of 0.06 ~ 0.08um; the titanium alloy roll, the first high-speed steel roll and the second high-speed ...
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Abstract

The invention discloses a stainless steel plate matte surface treatment method and a manufacturing method of a special roller thereof. The manufacturing method of the special roller comprises the following steps of step 1, selecting a roller; step 2, grinding the roller; step 3, performing polishing treatment on the ground roller; and step 4, performing sand blasting treatment on the polished roller. According to the manufacturing method of the special roller provided by the invention, a high-speed steel roller and a titanium alloy roller are subjected to grinding, polishing and sand blasting treatment to obtain three rollers with different roughness and specially used for treating a matte surface of a stainless steel plate, and the rollers manufactured through the method are used for conducting matte treatment on the stainless steel plate, and compared with chemical treatment, the method is safer, free of toxicity and pollution, and compared with a conventional roller, the roller has a more effective rolling surface, and the matte effect of the surface of a rolled stainless steel plate is effectively improved.

Application Domain

Belt grinding machinesLapping machines +2

Technology Topic

Steel platesPolishing +4

Examples

  • Experimental program(1)

Example Embodiment

[0030](Example 1)
[0031]The stainless steel sheet sub-surface treatment method of the present embodiment includes the following steps:
[0032]Step 1, produce a special roll for stainless steel sheet matt surface treatment, and specifically includes the following steps:
[0033]Step 1.1, select the titanium alloy roll, the first high-speed steel roll and the second high speed steel roll, and the high-speed steel roll and the hardness of 67 to 69 hrc are selected from the group consisting of 62 to 64 HRC.
[0034]Step 1.2, partition the titanium alloy roll, the first high speed steel roll and the second high speed steel roll, the high-speed steel roller is ground to the roughness of 0.10 to 0.15 um, surface requirements: no twill, spiral, grinding wheel traces, scratches; The titanium alloy roller is ground to a roughness of 0.12 to 0.15 um, a surface requirement: No twill, spiral, grinding wheel traces, scratches.
[0035]Step 1.3, for the polishing of the titanium alloy roll, the first high-speed steel roll and the second high speed steel roll each perform polishing treatment, before polishing, in the titanium alloy roll, first high speed steel roll and the second high speed steel roll 3000 Applying diamond diamonds, and adding red Dan powder in diamond diamond abrasive cream, effectively changing the color of the surface of the roll; the diamond strap of the roughness is 8.5 to 9.5 um is used to the first high-speed steel roll and the second high speed steel roll. Performing polishing, diamond sand band vibration frequency is 25 ~ 29, speed of 2.5 m / min, tension is 0.03MPa, the head frame is 520 rpm, 30 round-trip polishing, polished to the roughness of 0.08 ~ 0.1 um; a diamond strap of 5.5 to 6.5 um is polished by a diamond strap of 5.5 to 6.5 um, and the diamond shaped zone is 24 to 26, the speed is 2m / min, the tension is 0.03MPa, the head frame The rotational speed is 580 rpm, and 50 round-trip polishing, polished to a roughness of 0.06 to 0.08 um; polishing the titanium alloy roll, the first high-speed steel roll and the second high-speed steel roller by using a diamond strap, can be effectively Improve polishing efficiency, so that the surface of the roll is uniform.
[0036]Step 1.4, separately sand blasting for the polished titanium alloy roll, the first high-speed steel roll and the second high speed steel roller, respectively, and alumina having a particle size of 115 to 125, sand blasting 475 ~ 485 seconds of the first high speed steel roll, The blasting air pressure is 3.6MPa, sandblasting to a roughness of 0.7 to 0.8 um; alumina with a particle size of 215 to 225 to sand blast 395 ~ 405 seconds, sand blasting air pressure is 2.4MPa, sandblasting to The roughness is 0.2 ~ 0.25 um; alumina with a particle size of 315 to 325 is sandblasted 315 ~ 325 seconds, the sand blasting pressure is 2.0 MPa, sand blasting to a roughness of 0.1 to 0.15 um; small particle size is small The grain is sandblasted to the titanium alloy roll, the first high-speed steel roll, and the second high-speed steel roll, which can effectively make the surface more uniform and lower.
[0037]Step 2, using the first high speed steel roller to carry out the first rolling of the stainless steel plate, the pressure reduction rate is 16.7%, and the viscosity is added to the inlet and the outlet of 15 ± 1 mm.2The rolling oil of / s, effective lubrication roll and stainless steel plate, provides a stable friction interface, achieving stable rolling, improving the surface quality, and rolling oil can also take away the deformed heat and frictional heat of the stainless steel plate, adjust the surface temperature of the roll surface , Controllable type.
[0038]Step 3, using the second high speed steel roll to the stainless steel plate for the second secondary rolling, the pressure loss is 12%, when rolled, add viscosity at the inlet and outlet to 15 ± 1 mm2Rolling oil of / s.
[0039]Step 4, using the titanium alloy roller to carry out the third rolling of the stainless steel plate, the pressure reduction rate is 11.8%, and the viscosity is 30 ± 1 mm when rolling.2The rolling oil of / S is sprayed at the atomizer atomizer at the third inlet, and the rear rolling oil after atomization can further reduce the deformed heat and frictional heat of the stainless steel plate, adjust the surface temperature of the roll, and the control plate type. .
[0040]Step 5, the stainless steel plate of the matte surface can be obtained after three rolling.
[0041]The present embodiment is ground, polished, sand blast treatment to high-speed steel rolls and titanium alloy rolls, resulting in three different rough roughness dedicated to the treatment of stainless steel sheet mats, using the roll made of stainless steel plate using the above method. Processing, compared to chemical method, more secure, non-toxic and non-polluting, compared to conventional rolls, with a more effective rolling surface, effectively improve the matt effect of the surface of the rolled stainless steel sheet.

PUM

PropertyMeasurementUnit
Roughness0.7 ~ 0.8µm
Roughness0.2 ~ 0.25µm
Roughness0.1 ~ 0.15µm

Description & Claims & Application Information

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