CN107350456A - A kind of preparation technology of high abrasion roll - Google Patents

A kind of preparation technology of high abrasion roll Download PDF

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Publication number
CN107350456A
CN107350456A CN201710515091.6A CN201710515091A CN107350456A CN 107350456 A CN107350456 A CN 107350456A CN 201710515091 A CN201710515091 A CN 201710515091A CN 107350456 A CN107350456 A CN 107350456A
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CN
China
Prior art keywords
molten metal
mould
alloy powder
high abrasion
side wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710515091.6A
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Chinese (zh)
Inventor
王文其
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taicang Wins Roller Co Ltd
Original Assignee
Taicang Wins Roller Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taicang Wins Roller Co Ltd filed Critical Taicang Wins Roller Co Ltd
Priority to CN201710515091.6A priority Critical patent/CN107350456A/en
Publication of CN107350456A publication Critical patent/CN107350456A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
    • B22D19/085—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal of anti-frictional metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

The invention discloses a kind of preparation technology of high abrasion roll, specifically comprise the following steps；From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1,560 1600 DEG C；1 2mm antifriction alloy powder is coated in the side wall of mould inside again, then above-mentioned molten metal is cast to mould rapidly so that antifriction alloy powder of the molten metal covering on mould side wall；Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal cooling to mould inside, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, high abrasion roll is finally given, by the above-mentioned means, the present invention, which enables to the roll for preparing gained to possess, high anti-wear performance, it is low to cast cost, prepares convenient, simple.

Description

A kind of preparation technology of high abrasion roll
Technical field
The present invention relates to a kind of preparation technology, more particularly to a kind of preparation technology of high abrasion roll.
Background technology
Roll is the important component largely consumed in Rolling production, and the quality of roll quality not only affects the surface of stocking Quality, but also affect the operating rate of milling train, and after roll in the market uses melting during the preparation mostly The mode of forging and stamping is carried out, and this preparation technology not only produces difficulty, and cost is higher, and its material mechanical performance generally compared with Difference, the aspect of its anti-wear performance deficiency is especially shown, is caused during use, traditional roll is often because of surface abrasion mistake It can not seriously be continuing with.
The content of the invention
The present invention solves the technical problem of a kind of preparation technology of high abrasion roll is provided, enable to prepare institute The roll obtained possesses and has high anti-wear performance, and casting cost is low, prepares convenient, simple.
In order to solve the above technical problems, one aspect of the present invention is：A kind of system of high abrasion roll is provided Standby technique, specifically comprises the following steps；
（1）, melting：From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1560-1600℃；
（2）, casting：1-2mm antifriction alloy powder is coated in the side wall of mould inside, then above-mentioned molten metal is cast rapidly To mould so that antifriction alloy powder of the molten metal covering on mould side wall；
（3）, cooling：Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal to mould inside cold But, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, finally gives high abrasion roll.
In a preferred embodiment of the present invention, the step（2）In cast temperature be 1480-1520 DEG C.
In a preferred embodiment of the present invention, the antifriction alloy powder includes the composition of following mass percent：
Tic accounts for 30-36%, and Ni accounts for 3.0-3.6%, and Mo accounts for 2.4-3.2%, and Si accounts for 4.8-6.4%, and Mn accounts for 0.8-1.6%, surplus Fe.
In a preferred embodiment of the present invention, the cooling gas of the cooling air gun is nitrogen.
The beneficial effects of the invention are as follows：A kind of preparation technology of high abrasion roll of the present invention, by using in mould inside Side wall go out to coat antifriction alloy powder, then during casting, antifriction alloy powder is melted into solid rolling by cooling down rapidly Roller side surface, so that the roll for preparing gained possesses and has high anti-wear performance, casting cost is low, prepare it is convenient, Simply.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.
Embodiment 1：
A kind of preparation technology of high abrasion roll, specifically comprises the following steps；
（1）, melting：From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1560℃；
（2）, casting：1mm antifriction alloy powder is coated in the side wall of mould inside, then above-mentioned molten metal is cast rapidly extremely In mould, the cast temperature is 1480 DEG C so that antifriction alloy powder of the molten metal covering on mould side wall is described wear-resisting Alloyed powder includes the composition of following mass percent：
Tic, which accounts for 30%, Ni and accounts for 3.0%, Mo and account for 3.2%, Si and account for 6.4%, Mn, accounts for 0.8%, surplus Fe；
（3）, cooling：Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal to mould inside cold But, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, finally gives high abrasion roll.
Embodiment 2：
A kind of preparation technology of high abrasion roll, specifically comprises the following steps；
（1）, melting：From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1600℃；
（2）, casting：2mm antifriction alloy powder is coated in the side wall of mould inside, then above-mentioned molten metal is cast rapidly extremely In mould, the cast temperature is 1520 DEG C so that antifriction alloy powder of the molten metal covering on mould side wall is described wear-resisting Alloyed powder includes the composition of following mass percent：
Tic, which accounts for 36%, Ni and accounts for 3.6%, Mo and account for 2.4%, Si and account for 4.8%, Mn, accounts for 1.6%, surplus Fe；
（3）, cooling：Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal to mould inside cold But, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, finally gives high abrasion roll.
Embodiment 3：
A kind of preparation technology of high abrasion roll, specifically comprises the following steps；
（1）, melting：From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1580℃；
（2）, casting：1.5mm antifriction alloy powder is coated in the side wall of mould inside, then above-mentioned molten metal is cast rapidly To mould, the cast temperature is 1500 DEG C so that antifriction alloy powder of the molten metal covering on mould side wall, it is described resistance to Break-in bronze includes the composition of following mass percent：
Tic, which accounts for 33%, Ni and accounts for 3.3%, Mo and account for 2.8%, Si and account for 5.6%, Mn, accounts for 1.2%, surplus Fe；
（3）, cooling：Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal to mould inside cold But, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, finally gives high abrasion roll.
Wherein, the cooling gas of the cooling air gun is nitrogen.
It is different from prior art, a kind of preparation technology of high abrasion roll of the present invention, by using in the side of mould inside Wall goes out to coat antifriction alloy powder, then during casting, is melted antifriction alloy powder admittedly in roll side by cooling down rapidly Surface, so that the roll for preparing gained, which possesses, high anti-wear performance, casting cost is low, prepares convenient, simple.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims (4)

1. a kind of preparation technology of high abrasion roll, it is characterised in that specifically comprise the following steps；
（1）, melting：From ZG35SiMn as parent, and put into and molten metal is melt into high-temperature smelting pot, melting temperature is 1560-1600℃；
（2）, casting：1-2mm antifriction alloy powder is coated in the side wall of mould inside, then above-mentioned molten metal is cast rapidly To mould so that antifriction alloy powder of the molten metal covering on mould side wall；
（3）, cooling：Air-cooled processing is carried out to die surface using cooling air gun, so as to drive the molten metal to mould inside cold But, so as to the shaping that cools, and the antifriction alloy powder on mould side wall is incorporated into product surface, finally gives high abrasion roll.
2. the preparation technology of high abrasion roll according to claim 1, it is characterised in that the step（2）In casting Temperature is 1480-1520 DEG C.
3. the preparation technology of high abrasion roll according to claim 1, it is characterised in that the antifriction alloy powder is included such as The composition of lower mass percent：
Tic accounts for 30-36%, and Ni accounts for 3.0-3.6%, and Mo accounts for 2.4-3.2%, and Si accounts for 4.8-6.4%, and Mn accounts for 0.8-1.6%, surplus Fe.
4. the preparation technology of high abrasion roll according to claim 1, it is characterised in that the cooling gas of the cooling air gun Body is nitrogen.
CN201710515091.6A 2017-06-29 2017-06-29 A kind of preparation technology of high abrasion roll Pending CN107350456A (en)

Priority Applications (1)

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CN201710515091.6A CN107350456A (en) 2017-06-29 2017-06-29 A kind of preparation technology of high abrasion roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710515091.6A CN107350456A (en) 2017-06-29 2017-06-29 A kind of preparation technology of high abrasion roll

Publications (1)

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CN107350456A true CN107350456A (en) 2017-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760665A (en) * 2019-11-13 2020-02-07 永卓防务科技有限公司 Production process of high-wear-resistance roller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221649A (en) * 1982-06-18 1983-12-23 Kubota Ltd Centrifugal casting method of abrasion-resistant casting
CN1498705A (en) * 2002-11-05 2004-05-26 鲍志勇 Casting infiltration method of heating power for preparing composite alloy material with metal base
CN101168190A (en) * 2007-10-11 2008-04-30 丁家伟 Hard alloy and double-metal composite technique and device
CN102274951A (en) * 2011-08-04 2011-12-14 广东新劲刚超硬材料有限公司 Method for synthesizing titanium carbide-base hard alloy coating on surfaces of castings in situ
CN105964983A (en) * 2016-07-05 2016-09-28 常熟市电力耐磨合金铸造有限公司 Production process of compound type imbedding squeeze roller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58221649A (en) * 1982-06-18 1983-12-23 Kubota Ltd Centrifugal casting method of abrasion-resistant casting
CN1498705A (en) * 2002-11-05 2004-05-26 鲍志勇 Casting infiltration method of heating power for preparing composite alloy material with metal base
CN101168190A (en) * 2007-10-11 2008-04-30 丁家伟 Hard alloy and double-metal composite technique and device
CN102274951A (en) * 2011-08-04 2011-12-14 广东新劲刚超硬材料有限公司 Method for synthesizing titanium carbide-base hard alloy coating on surfaces of castings in situ
CN105964983A (en) * 2016-07-05 2016-09-28 常熟市电力耐磨合金铸造有限公司 Production process of compound type imbedding squeeze roller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760665A (en) * 2019-11-13 2020-02-07 永卓防务科技有限公司 Production process of high-wear-resistance roller

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Application publication date: 20171117