CN110385421A - A kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks - Google Patents

A kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks Download PDF

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Publication number
CN110385421A
CN110385421A CN201810348026.3A CN201810348026A CN110385421A CN 110385421 A CN110385421 A CN 110385421A CN 201810348026 A CN201810348026 A CN 201810348026A CN 110385421 A CN110385421 A CN 110385421A
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CN
China
Prior art keywords
wear
zg35grmnsi
cast iron
rack
chromium cast
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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
CN201810348026.3A
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Chinese (zh)
Inventor
郝凤山
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.)
Chaoyang Multicomponent Bimetal Composite Manufacturing Co Ltd
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Chaoyang Multicomponent Bimetal Composite Manufacturing Co Ltd
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Application filed by Chaoyang Multicomponent Bimetal Composite Manufacturing Co Ltd filed Critical Chaoyang Multicomponent Bimetal Composite Manufacturing Co Ltd
Priority to CN201810348026.3A priority Critical patent/CN110385421A/en
Publication of CN110385421A publication Critical patent/CN110385421A/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
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/04—Casting by dipping

Abstract

The present invention discloses a kind of complex method twice of anti-wear-resisting ZG35GrMnSi steel part that breaks, and the rack that steel wire package wear-resistant ceramic material particle is made into is embedded in the intracavitary abrading section of upper box, nowel stays sprue gate；It is poured into the ZG35GrMnSi molten steel after fusing in the nowel cavity for the type of having made, cools down after reaching predetermined position；The rich chromium cast iron water melted pours to fill top box type intracavitary；The surface layer in ZG35GrMnSi steel face is melted away, is combined into one after both sides' infiltration；As rich chromium cast iron water is poured into moulding cavity, rack is melted, is immersed inside wear-resistant ceramic material particle；Wear-resistant ceramic material particle is evenly distributed on the abrading section that rich chromium cast iron is matrix.Save the cost of the present invention and reduction expense play good effect to raising tup, counterpunch board, liner plate, the Resisting fractre of tooth plate and flexibility and wearability, and reduce the influence of composition to recycling and reusing.

Description

A kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks
Technical field
The present invention relates to casting technology field, specifically a kind of casting method of composite material.
Background technique
It is all at this stage using wearing layer built-up welding skill using the tup of high chromium cast iron material production, counterpunch board, liner plate, tooth plate Art, resurfacing welding material higher cost, labour cost consumption are larger.Although product produced improves service life, but all easy fractures, Very big loss is brought to factory and production.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of casting method of composite material, particular technique Scheme is as follows:
A kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks, steps are as follows:
(1), the branch mailbox in moulding stays sprue gate and riser in top box moulding, the wear-resistant ceramic material that steel wire is wrapped up The rack that particle is made into is embedded in the intracavitary abrading section of box, and nowel presses workpiece moulding, stays sprue gate；Mould assembling waits for after having made type Casting；
(2), the ZG35GrMnSi molten steel that temperature is 1450-1550 DEG C after melting, is poured into the nowel for the type of having made In cavity, cool down after reaching predetermined position；
(3), ZG35GrMnSi molten steel cools to 1300-1400 DEG C, the height for being 1420-1520 DEG C by the temperature melted Chrome cast iron water pours that fill top box type intracavitary；
(4), the rich chromium cast iron water of high temperature with the ZG35GrMnSi steel that first injects carries out temperature biography in both sides' contact surface at this time It passs, melts away the surface layer in ZG35GrMnSi steel face, be just tightly combined, be combined into one after both sides' infiltration；
(5), as rich chromium cast iron water is poured into moulding cavity, after reaching rack position, rack, rich chromium cast iron are first wrapped up Water immerses inside wear-resistant ceramic material particle, using the high temperature of rich chromium cast iron water itself, melts rack；Due to rich chromium cast iron water ratio Weight is larger, and wear-resistant ceramic material particle specific gravity is smaller, and wear-resistant ceramic material particle uniformly divides in buoyancy float downward, diffusion Cloth is in the abrading section of rich chromium cast iron matrix.
The rack is concentric bicylindrical type or concentric both sides' box-like, fills wear-resistant ceramic material between inner and outer interlayer Particle.The axis and horizontal direction parallel of bicylindrical type or concentric both sides' box-like rack are convenient for wear-resistant ceramic material particle in this way Diffusion.
The rich chromium cast iron is KMTB-Gr26, and specific gravity is 7.8-7.85g/cm3；The wear-resistant ceramic material is AL2O3? The one or two of grain or Brown Alundum particle；The AL2O3Particle specific gravity is 3.6-3.9g/cm3；The Brown Alundum particle specific gravity For 3.94-4.05g/cm3；AL2O3The diameter of particle or Brown Alundum particle is 1-3mm.
Bicylindrical shape rack 5-30mm of internal diameter, 15-50mm of outer diameter, length is depending on casting dimension, concentric both sides' box Shape rack is determining according to casting geometric dimension, 5-30mm of thickness.
For manufacturing tup, counterpunch board, liner plate, tooth plate.
The invention has the advantages that multiple twice using ZG35GrMnSi steel, rich chromium cast iron, wear-resistant ceramic (or Brown Alundum) material The Resisting fractre that symphysis produces is wear-resisting, and (DYFH tup, counterpunch board, liner plate, tooth plate are cast using the toughness of ZG35GrMnSi steel and high chromium Iron, wear-resistant ceramic (or Brown Alundum) material wearability successfully solve above-mentioned problem.It is proved by field practice, the method is not It is only capable of greatly save the cost and reduction expense, to improving tup, counterpunch board, liner plate, the Resisting fractre of tooth plate and toughness and wear-resisting Property all plays good effect, and reduces the influence of composition to recycling and reusing.
Detailed description of the invention
Fig. 1 is the casting example schematic that method of the invention is used for tup；
In figure, 1 is top box, and 2 be nowel, and 3 be ZG35GrMnSi molten steel, and 4 be composite layer, and 5 be rich chromium cast iron water, and 6 be steel Silk screen, 7 be rack, and 8 be riser.
Specific embodiment
The present invention is illustrated with reference to the accompanying drawing, as shown,
(1), the branch mailbox in moulding stays sprue gate and riser 8 in top box moulding, wear-resistant ceramic that steel wire 6 is wrapped up (or Brown Alundum) rack 7 that is made into of material granule is embedded in the intracavitary abrading section of 1 type of top box, and nowel 2 presses the moulding of ZG35GrMnSi steel, Stay sprue gate；Mould assembling is to be cast after having made type；
(2), the ZG35GrMnSi molten steel 3 for being 1450-1550 DEG C by fusion temperature, is poured into the nowel chamber for the type of having made In vivo, cool down after reaching predetermined position；
It (3), is 1420-1520 DEG C by the temperature melted after ZG35GrMnSi molten steel 3 cools to 1300-1400 DEG C Rich chromium cast iron water 5 pour that fill top box type intracavitary；
(4), the rich chromium cast iron water 5 of high temperature is transmitted with the ZG35GrMnSi steel first injected in both sides' contact surface temperature at this time, The surface layer in ZG35GrMnSi steel face is melted away, is just tightly combined, is combined into one after both sides' infiltration, form composite layer 4；
(5), as rich chromium cast iron water is poured into moulding cavity, after reaching 7 position of rack, rack 7, Gao Gezhu is first wrapped up Molten iron immerses inside wear-resistant ceramic (or Brown Alundum) material granule, using the high temperature of rich chromium cast iron water itself, melts rack；Due to Rich chromium cast iron water specific gravity is larger, and wear-resistant ceramic (or Brown Alundum) material granule specific gravity is smaller, wear-resistant ceramic (or Brown Alundum) material Particle is evenly distributed on the abrading section of rich chromium cast iron matrix in buoyancy float downward, diffusion.
The rack is concentric bicylindrical type or concentric square box type, immerses and spreads convenient for molten steel, internal diameter and outer diameter it Between fill wear-resistant ceramic (or Brown Alundum) material granule.
The rich chromium cast iron is KMTB-Gr26, and specific gravity is 7.8-7.85g/cm3；Wear-resistant ceramic material is AL2O3Particle, Specific gravity is 3.6-3.9g/cm3；Brown Alundum is GZ (A) particle, and specific gravity is 3.94-4.05g/cm3；Two kinds of particles size is 1-3mm, rack 5-30mm of internal diameter, 15-50mm of outer diameter, length is depending on casting dimension.Square box shaped rack is several according to casting What size is determining, 5-30mm of thickness.
Through testing, data of the invention and performance are as follows:
A, ZG35GrMnSi steel impact absorbing energy value >=27KUJ/cm2, rich chromium cast iron (KMTB-Gr26) impact toughness >= 3KJ/cm2, compound rear impact toughness >=21KJ/cm2, increases by 7-15 times than rich chromium cast iron (KMTB-Gr26)；
B, ZG35GrMnSi steel hardness >=HBW 217, rich chromium cast iron (KMTB-Gr26) hardness >=HRC58 are mixed after compound Layer hardness >=HRC21-58.Wear-resistant ceramic hardness >=HRA85, Brown Alundum microhardness HV1800-2450, abrading section is in height After ceramic (or Brown Alundum) material of chrome cast iron intrinsic silicon complex abrasion-proof, friction durability is greatly improved, and is 2-the 3 of rich chromium cast iron Times；
C, good toughness, not broken；
D, light-weight, substantially reduce the operating load of equipment.

Claims (5)

1. a kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks, it is characterised in that steps are as follows:
(1), the branch mailbox in moulding stays sprue gate and riser in top box moulding, the wear-resistant ceramic material particle that steel wire is wrapped up The rack being made into is embedded in the intracavitary abrading section of box, and nowel presses workpiece moulding, stays sprue gate；Mould assembling is to be poured after having made type Note；
(2), the ZG35GrMnSi molten steel that temperature is 1450-1550 DEG C after melting, is poured into the cavity of the nowel for the type of having made It is interior, cool down after reaching predetermined position；
(3), ZG35GrMnSi molten steel cools to 1300-1400 DEG C, and the high chromium that the temperature melted is 1420-1520 DEG C is cast The completely upper box of molten iron casting is intracavitary；
(4), the rich chromium cast iron water of high temperature and the ZG35GrMnSi steel first injected are melted in the progress temperature transmitting of both sides' contact surface at this time The surface layer in ZG35GrMnSi steel face is melted, is just tightly combined, is combined into one after both sides' infiltration；
(5), as rich chromium cast iron water is poured into moulding cavity, after reaching rack position, rack, rich chromium cast iron water logging are first wrapped up Enter inside wear-resistant ceramic material particle, using the high temperature of rich chromium cast iron water itself, melts rack；Due to rich chromium cast iron water specific gravity compared with Greatly, wear-resistant ceramic material particle specific gravity is smaller, and wear-resistant ceramic material particle is evenly distributed in buoyancy float downward, diffusion The abrading section of rich chromium cast iron matrix.
2. the complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks according to claim 1, it is characterised in that: institute Stating rack is concentric bicylindrical type or concentric both sides' box-like, fills wear-resistant ceramic material particle between inner and outer interlayer.
3. the complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks according to claim 2, it is characterised in that: institute Stating rich chromium cast iron is KMTB-Gr26, and specific gravity is 7.8-7.85g/cm3；The wear-resistant ceramic material is AL2O3Particle or Brown Alundum The one or two of particle；The AL2O3Particle specific gravity is 3.6-3.9g/cm3；The Brown Alundum particle specific gravity is 3.94- 4.05g/cm3；AL2O3The diameter of particle or Brown Alundum particle is 1-3mm.
4. the complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks according to claim 2, it is characterised in that: double Cylindrical rack internal diameter 5-30mm, 15-50mm of outer diameter, length depending on casting dimension, concentric both sides' box-like rack according to Casting geometric dimension is determining, 5-30mm of thickness.
5. the complex method twice of any anti-wear-resisting ZG35GrMnSi steel part that breaks described in -4 according to claim 1, feature It is: for manufacturing tup, counterpunch board, liner plate, tooth plate.
CN201810348026.3A 2018-04-18 2018-04-18 A kind of complex method twice of the anti-wear-resisting ZG35GrMnSi steel part that breaks Pending CN110385421A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069571A (en) * 2020-02-10 2020-04-28 孙岗 Endogenetic metal composite of control and pick
CN111408702A (en) * 2020-04-07 2020-07-14 聂章银 Bimetal casting mould convenient to move
CN111468702A (en) * 2020-05-18 2020-07-31 邯郸慧桥复合材料科技有限公司 Casting method of double-liquid composite hammer head by adopting protective agent
CN111468703A (en) * 2020-05-18 2020-07-31 邯郸慧桥复合材料科技有限公司 Casting method of double-liquid composite hammer head
CN112844638A (en) * 2020-12-31 2021-05-28 松山湖材料实验室 Prefabricated body and preparation method thereof, and wear-resistant part and preparation method thereof

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CN101239381A (en) * 2007-02-05 2008-08-13 荣守范 Production technique method of double-liquid bimetal composite casting hammer type hammerhead
CN102310596A (en) * 2011-07-01 2012-01-11 广州有色金属研究院 Method for producing reinforced wear resistance composite material by partially positioning of ceramic particles
CN103361579A (en) * 2013-06-27 2013-10-23 重庆罗曼耐磨材料有限公司 Preparation method of ceramic metal composite wear-resistant part easy to machine and install
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JPH05192761A (en) * 1990-10-11 1993-08-03 Technogenia Sa Method of manufacturing part with abrasion proof face
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111069571A (en) * 2020-02-10 2020-04-28 孙岗 Endogenetic metal composite of control and pick
CN111408702A (en) * 2020-04-07 2020-07-14 聂章银 Bimetal casting mould convenient to move
CN111468702A (en) * 2020-05-18 2020-07-31 邯郸慧桥复合材料科技有限公司 Casting method of double-liquid composite hammer head by adopting protective agent
CN111468703A (en) * 2020-05-18 2020-07-31 邯郸慧桥复合材料科技有限公司 Casting method of double-liquid composite hammer head
CN111468702B (en) * 2020-05-18 2021-07-20 邯郸慧桥复合材料科技有限公司 Casting method of double-liquid composite hammer head by adopting protective agent
CN112844638A (en) * 2020-12-31 2021-05-28 松山湖材料实验室 Prefabricated body and preparation method thereof, and wear-resistant part and preparation method thereof
CN112844638B (en) * 2020-12-31 2023-05-30 松山湖材料实验室 Preform and preparation method thereof, and wear-resistant part and preparation method thereof

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