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Method for manufacturing high-speed steel roller

A high-speed steel and roll technology, applied in the field of high-speed steel roll production, can solve problems such as block-off processing efficiency and easy chipping, and achieve the effects of solving processing difficulties, improving processing efficiency, and high processing efficiency

Pending Publication Date: 2022-02-25
甘肃酒钢集团西部重工股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for manufacturing high-speed steel rolls to solve the problems that the high-speed steel rolls of the wire rod series are prone to chipping, chipping and low processing efficiency.

Method used

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  • Method for manufacturing high-speed steel roller
  • Method for manufacturing high-speed steel roller
  • Method for manufacturing high-speed steel roller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] A method for making a high-speed steel roll, the high-speed steel roll comprises an outer layer and an inner core, and the chemical composition of the outer layer is calculated by weight percentage: C1.2%, Si0.5%, Mn0.5%, P0. 030%, S0.032%, Cr1.0%, Ni3.0%, Mo1.0% and V4.0%, the balance is Fe; the chemical composition of the inner core layer is calculated by weight percentage: C3.1%, Si1.0%, Mn1.1%, P0.031%, S0.014%, Cr0.12%, Ni0.5% and Mg0.04%, the balance is Fe;

[0066] Described manufacturing method comprises the steps:

[0067] (1) Modeling work:

[0068] Prepare the metal casting mold, casting end cover, upper box and bottom box, respectively smooth and smooth, check whether the end cover is intact, add the end cover ingredients, steel brick particles, repair package binding material, bentonite and carbon powder, use semi-steel The coating is dust-pressed on the casting mold end cover, upper box and bottom box, and a layer of lead powder paint is applied after dr...

Embodiment 2

[0083]A method for making a high-speed steel roll, the high-speed steel roll comprises an outer layer and an inner core, and the chemical composition of the outer layer is calculated by weight percentage: C1.4%, Si0.6%, Mn1.0%, P0. 080%, S0.080%, Cr2.1%, Ni4.1%, Mo1.5% and V4.5%, the balance is Fe; the chemical composition of the inner core layer is calculated by weight percentage: C3.5%, Si1.5%, Mn1.8%, P0.080%, S0.080%, Cr0.15%, Ni0.7% and Mg0.051%, the balance is Fe;

[0084] Described manufacturing method comprises the steps:

[0085] (1) Modeling work:

[0086] Prepare the metal casting mold, casting end cover, upper box and bottom box, respectively smooth and smooth, check whether the end cover is intact, add the end cover ingredients, steel brick particles, repair package binding material, bentonite and carbon powder, use semi-steel The coating is dust-pressed on the casting mold end cover, upper box and bottom box, and a layer of lead powder paint is applied after dr...

Embodiment 3

[0101] A method for making a high-speed steel roll, the high-speed steel roll comprises an outer layer and an inner core, and the chemical composition of the outer layer is calculated by weight percentage: C1.34%, Si0.57%, Mn0.65%, P0. 036%, S0.032%, Cr1.10%, Ni3.10%, Mo1.19% and V4.43%, the balance is Fe; the chemical composition of the inner core layer is calculated by weight percentage: C3.19%, Si1.44%, Mn1.44%, P0.031%, S0.014%, Cr0.14%, Ni0.59% and Mg0.050%, the balance is Fe;

[0102] Described manufacturing method comprises the steps:

[0103] (1) Modeling work:

[0104] Prepare the metal casting mold, casting end cover, upper box and bottom box, respectively smooth and smooth, check whether the end cover is intact, add the end cover ingredients, steel brick particles, repair package binding material, bentonite and carbon powder, use semi-steel The coating is dust-pressed on the casting mold end cover, upper box and bottom box, and a layer of lead powder paint is appl...

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Abstract

The invention discloses a method for manufacturing a high-speed steel roller, and belongs to the technical field of high-speed steel roller manufacturing. The high-speed steel roller comprises an outer layer and an inner core. The manufacturing method comprises molding operation, molten steel smelting operation, high-speed steel roller outer layer pouring, box closing, high-speed steel roller inner core pouring, box dismantling, cleaning operation and heat treatment operation. According to newly-designed chemical components and a heat treatment process, the single-groove rolling amount is increased, the original three times of single-shift roller replacement is improved to one time of single-shift roller replacement, the rolling line use requirement is met, the machining efficiency is greatly improved, one face of a high-speed steel roller of other manufacturers of the same type is machined by seven shifts, and one face of a high-speed steel roller of a roller branch company is machined by two shifts, the problem of low machining efficiency of the high-speed steel roller is solved.

Description

technical field [0001] The invention belongs to the technical field of manufacturing high-speed steel rolls, and in particular relates to a method for manufacturing high-speed steel rolls. Background technique [0002] High-speed steel rolls are applied to the on-line bar series rolling mills, facing a series of quality problems such as groove collapse and block loss. At the same time, the processing efficiency is low and the difficulty is high. 56 hours (7 shifts), which cannot meet the normal rolling needs of the rolling line, is an urgent problem that needs to be solved when high-speed steel is applied to wire rod series rolling mills. Contents of the invention [0003] The object of the present invention is to provide a method for manufacturing high-speed steel rolls, so as to solve the problems that the high-speed steel rolls of the wire rod series are prone to chipping, chipping and low processing efficiency. [0004] In order to achieve the above object, the techni...

Claims

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Application Information

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IPC IPC(8): B22D19/16B22D13/02C22C38/02C22C38/04C22C38/44C22C38/46C22C38/56C22C38/58
CPCB22D19/16B22D13/02C22C38/02C22C38/04C22C38/44C22C38/46C22C38/56C22C38/002C22C38/58
Inventor 赵象彪葛红刚
Owner 甘肃酒钢集团西部重工股份有限公司
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