CN106180650A - A kind of wear-resisting type castingin tup and production technology thereof - Google Patents
A kind of wear-resisting type castingin tup and production technology thereof Download PDFInfo
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- CN106180650A CN106180650A CN201610571937.3A CN201610571937A CN106180650A CN 106180650 A CN106180650 A CN 106180650A CN 201610571937 A CN201610571937 A CN 201610571937A CN 106180650 A CN106180650 A CN 106180650A
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- Prior art keywords
- wear
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- tup
- castingin
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Classifications
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- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
Abstract
The invention discloses a kind of wear-resisting type castingin tup and production technology thereof, described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, its mass percent is respectively as follows: the content of described titanium carbide and accounts for 36 44%, the content of described ferrum accounts for 28 36%, the content of described nickel accounts for 2.8 3.6%, the content of described molybdenum is 1.2 2.0%, and remaining is antifriction alloy；Described antifriction alloy is mixed by manganese and chromium, it is 54 66% that described manganese accounts for the mass percent of described antifriction alloy, it is 34 46% that described chromium accounts for the mass percent of described antifriction alloy, by the way, the present invention can possess high anti-wear performance, and its service life is greatly improved, and tup replacing number of times in use can also be reduced, without built-up welding, improve production efficiency, save production cost.
Description
Technical field
The present invention relates to a kind of tup, particularly to a kind of wear-resisting type castingin tup and production technology thereof.
Background technology
Hammer mill is applicable to crush medium-hard material at industrial departments such as cement, chemical industry, electric power, metallurgy, as
Broken and in small, broken bits operation in the materials such as limestone, slag, coke, coal.Tup is the important process parts in hammer mill, rises
Fragmentation, and its material is potassium steel, a kind of typical Development of Wear Resistant Steel, under high-octane impact, extruding condition, top layer is fast
There is processing hardening phenomenon in speed so that it is while heart portion still keeps toughness that austenite is good and plasticity, hardened layer has well
Abrasion resistance.
And this tup wearability is poor, needs constantly to repair built-up welding during use, service life is short, causes and stops kiln
Time is longer, thus affects manufacturing schedule, and need to spend substantial amounts of human and material resources, along with complication and the client of industrial and mineral condition
Require improves constantly, and the big tup of traditional ultra-high manganese steel has not caught up with demand.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of wear-resisting type castingin tup and production technology thereof, it is possible to possess
There is high anti-wear performance, its service life is greatly improved, and tup replacing number of times in use can also be reduced, it is not necessary to heap
Weldering, improves production efficiency, saves production cost.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of wear-resisting type castingin tup,
Including: body and multiple wear-resistant block, each described wear-resistant block castingin is on the work surface of described body；
Described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, and its mass percent is respectively as follows: institute
The content stating titanium carbide accounts for 36-44%, and the content of described ferrum accounts for 28-36%, and the content of described nickel accounts for 2.8-3.6%, containing of described molybdenum
Amount is 1.2-2.0%, and remaining is antifriction alloy；
Described antifriction alloy is mixed by manganese and chromium, and it is 54-66% that described manganese accounts for the mass percent of described antifriction alloy, institute
Stating chromium and accounting for the mass percent of described antifriction alloy is 34-46%.
In a preferred embodiment of the present invention, the material of described body is ZGMn13Cr2。
In a preferred embodiment of the present invention, in described antifriction alloy, the quality proportioning of each composition is particularly as follows: described manganese
Content account for 60%, the content of described chromium accounts for 40%.
Present invention also offers the production technology of a kind of wear-resisting type castingin tup, specifically include following steps:
(1), melting: by ZGMn13Cr2Being melt into molten metal in putting into high-temperature smelting pot, melt temperature is 1500-1540 DEG C；
(2), cast: first multiple wear-resistant blocks are preheated to 180-220 DEG C, more multiple wear-resistant blocks are fixedly installed in sandbox die cavity
A sidewall on, then sandbox die cavity center places in above-mentioned pouring metal melt to this sandbox after behind a loam core, and cast temperature is
1430-1450 DEG C, obtaining alloy block after natural cooling, cool time is more than 12h；
(3), quench: above-mentioned alloy block is put into glowing furnace and carries out Quenching Treatment, particularly as follows:
When in-furnace temperature is between 0-340 DEG C, programming rate is 70-100 DEG C/h, and is incubated 2-5h when 340 DEG C；
When in-furnace temperature is between 340-640 DEG C, programming rate is 40-70 DEG C/h, and is incubated 5-6h when 640 DEG C；
When in-furnace temperature is between 640-1080 DEG C, programming rate is 90-110 DEG C/h, and is incubated 5-6h when 1080 DEG C；
When in-furnace temperature is heated up to more than 1100 DEG C, being incubated 0.5-1h, by transferred product in stove to pond, transfer time is not
More than 0.5min, final cooling obtains wear-resisting type castingin tup.
The invention have the benefit that
(1) castingin in the working end of potassium steel tup, is used to have multiple wear-resistant block possessing and having high-wearing feature, it is possible to significantly to carry
The anti-wear performance of high tup, increases substantially service life；
(2), use melting to add the production technology of castingin, without built-up welding during use, replacing number of times is greatly reduced, compared to
Traditional forging adds the production method of built-up welding, and production efficiency is higher, and production cost is low.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that thus protection scope of the present invention is made apparent clear and definite defining.
Embodiment 1:
A kind of wear-resisting type castingin tup, including: body and multiple wear-resistant block, each described wear-resistant block castingin is in the work of described body
Make on face；
The material of described body is ZGMn13Cr2；
Described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, and its mass percent is respectively as follows: institute
The content stating titanium carbide accounts for 36%, and the content of described ferrum accounts for 28%, and the content of described nickel accounts for 2.8%, and the content of described molybdenum is 1.2%,
The content of described antifriction alloy is 32%；
Described antifriction alloy is mixed by manganese and chromium, and it is 54% that described manganese accounts for the mass percent of described antifriction alloy, described chromium
The mass percent accounting for described antifriction alloy is 46%.
The production technology of described wear-resisting type castingin tup specifically includes following steps:
(1), melting: by ZGMn13Cr2Being melt into molten metal in putting into high-temperature smelting pot, melt temperature is 1500 DEG C；
(2), cast: first multiple wear-resistant blocks are preheated to 180 DEG C, more multiple wear-resistant blocks are fixedly installed in sandbox die cavity
On sidewall, then sandbox die cavity center is placed in above-mentioned pouring metal melt to this sandbox after behind a loam core, and cast temperature is 1430
DEG C, obtaining alloy block after natural cooling, cool time is more than 12h；
(3), quench: above-mentioned alloy block is put into glowing furnace and carries out Quenching Treatment, particularly as follows:
When in-furnace temperature is between 0-340 DEG C, programming rate is 70 DEG C/h, and is incubated 2h when 340 DEG C；
When in-furnace temperature is between 340-640 DEG C, programming rate is 40 DEG C/h, and is incubated 5h when 640 DEG C；
When in-furnace temperature is between 640-1080 DEG C, programming rate is 90 DEG C/h, and is incubated 5h when 1080 DEG C；
When in-furnace temperature is heated up to more than 1100 DEG C, being incubated 0.5h, by transferred product in stove to pond, transfer time does not surpasses
Crossing 0.5min, final cooling obtains wear-resisting type castingin tup.
Embodiment 2:
A kind of wear-resisting type castingin tup, including: body and multiple wear-resistant block, each described wear-resistant block castingin is in the work of described body
Make on face；
The material of described body is ZGMn13Cr2；
Described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, and its mass percent is respectively as follows: institute
The content stating titanium carbide accounts for 44%, and the content of described ferrum accounts for 36%, and the content of described nickel accounts for 3.6%, and the content of described molybdenum is 2.0%,
The content of described antifriction alloy is 14.4%；
Described antifriction alloy is mixed by manganese and chromium, and it is 66% that described manganese accounts for the mass percent of described antifriction alloy, described chromium
The mass percent accounting for described antifriction alloy is 34%.
The production technology of described wear-resisting type castingin tup specifically includes following steps:
(1), melting: by ZGMn13Cr2Being melt into molten metal in putting into high-temperature smelting pot, melt temperature is 1540 DEG C；
(2), cast: first multiple wear-resistant blocks are preheated to 220 DEG C, more multiple wear-resistant blocks are fixedly installed in sandbox die cavity
On sidewall, then sandbox die cavity center is placed in above-mentioned pouring metal melt to this sandbox after behind a loam core, and cast temperature is 1450
DEG C, obtaining alloy block after natural cooling, cool time is more than 12h；
(3), quench: above-mentioned alloy block is put into glowing furnace and carries out Quenching Treatment, particularly as follows:
When in-furnace temperature is between 0-340 DEG C, programming rate is 100 DEG C/h, and is incubated 5h when 340 DEG C；
When in-furnace temperature is between 340-640 DEG C, programming rate is 70 DEG C/h, and is incubated 6h when 640 DEG C；
When in-furnace temperature is between 640-1080 DEG C, programming rate is 110 DEG C/h, and is incubated 6h when 1080 DEG C；
When in-furnace temperature is heated up to more than 1100 DEG C, being incubated 1h, by transferred product in stove to pond, transfer time is less than
0.5min, final cooling obtains wear-resisting type castingin tup.
Embodiment 3:
A kind of wear-resisting type castingin tup, including: body and multiple wear-resistant block, each described wear-resistant block castingin is in the work of described body
Make on face；
The material of described body is ZGMn13Cr2；
Described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, and its mass percent is respectively as follows: institute
The content stating titanium carbide accounts for 40%, and the content of described ferrum accounts for 32%, and the content of described nickel accounts for 3.2%, and the content of described molybdenum is 1.6%,
The content of described antifriction alloy accounts for 23.2%；
Described antifriction alloy is mixed by manganese and chromium, and it is 60% that described manganese accounts for the mass percent of described antifriction alloy, described chromium
The mass percent accounting for described antifriction alloy is 40%.
The production technology of described wear-resisting type castingin tup specifically includes following steps:
(1), melting: by ZGMn13Cr2Being melt into molten metal in putting into high-temperature smelting pot, melt temperature is 1520 DEG C；
(2), cast: first multiple wear-resistant blocks are preheated to 200 DEG C, more multiple wear-resistant blocks are fixedly installed in sandbox die cavity
On sidewall, then sandbox die cavity center is placed in above-mentioned pouring metal melt to this sandbox after behind a loam core, and cast temperature is 1440
DEG C, obtaining alloy block after natural cooling, cool time is more than 12h；
(3), quench: above-mentioned alloy block is put into glowing furnace and carries out Quenching Treatment, particularly as follows:
When in-furnace temperature is between 0-340 DEG C, programming rate is 85 DEG C/h, and is incubated 3.5h when 340 DEG C；
When in-furnace temperature is between 340-640 DEG C, programming rate is 55 DEG C/h, and is incubated 5.5h when 640 DEG C；
When in-furnace temperature is between 640-1080 DEG C, programming rate is 100 DEG C/h, and is incubated 5.5h when 1080 DEG C；
When in-furnace temperature is heated up to more than 1100 DEG C, being incubated 0.75h, by transferred product in stove to pond, transfer time is not
More than 0.5min, final cooling obtains wear-resisting type castingin tup.
Be different from prior art, the present invention use castingin in the working end of potassium steel tup have multiple possess have high abrasion
The wear-resistant block of property, it is possible to the anti-wear performance of tup is greatly improved, increases substantially service life；Use melting to add the life of castingin simultaneously
Production. art, without built-up welding during use, is greatly reduced replacing number of times, adds the producer of built-up welding compared to traditional forging
Method, production efficiency is higher, and production cost is low.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (4)
1. a wear-resisting type castingin tup, it is characterised in that including: body and multiple wear-resistant block, each described wear-resistant block castingin
On the work surface of described body；
Described wear-resistant block is formed by titanium carbide, ferrum, nickel, molybdenum and antifriction alloy melting mixing, and its mass percent is respectively as follows: institute
The content stating titanium carbide accounts for 36-44%, and the content of described ferrum accounts for 28-36%, and the content of described nickel accounts for 2.8-3.6%, containing of described molybdenum
Amount is 1.2-2.0%, and remaining is antifriction alloy；
Described antifriction alloy is mixed by manganese and chromium, and it is 54-66% that described manganese accounts for the mass percent of described antifriction alloy, institute
Stating chromium and accounting for the mass percent of described antifriction alloy is 34-46%.
Wear-resisting type castingin tup the most according to claim 1, it is characterised in that the material of described body is ZGMn13Cr2。
Wear-resisting type castingin tup the most according to claim 1, it is characterised in that the quality of each composition in described antifriction alloy
Proportioning is particularly as follows: the content of described manganese accounts for 60%, and the content of described chromium accounts for 40%.
4. the production technology of a wear-resisting type castingin tup, it is characterised in that specifically include following steps:
(1), melting: by ZGMn13Cr2Being melt into molten metal in putting into high-temperature smelting pot, melt temperature is 1500-1540 DEG C；
(2), cast: first multiple wear-resistant blocks are preheated to 180-220 DEG C, more multiple wear-resistant blocks are fixedly installed in sandbox die cavity
A sidewall on, then sandbox die cavity center places in above-mentioned pouring metal melt to this sandbox after behind a loam core, and cast temperature is
1430-1450 DEG C, obtaining alloy block after natural cooling, cool time is more than 12h；
(3), quench: above-mentioned alloy block is put into glowing furnace and carries out Quenching Treatment, particularly as follows:
When in-furnace temperature is between 0-340 DEG C, programming rate is 70-100 DEG C/h, and is incubated 2-5h when 340 DEG C；
When in-furnace temperature is between 340-640 DEG C, programming rate is 40-70 DEG C/h, and is incubated 5-6h when 640 DEG C；
When in-furnace temperature is between 640-1080 DEG C, programming rate is 90-110 DEG C/h, and is incubated 5-6h when 1080 DEG C；
When in-furnace temperature is heated up to more than 1100 DEG C, being incubated 0.5-1h, by transferred product in stove to pond, transfer time is not
More than 0.5min, final cooling obtains wear-resisting type castingin tup.
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| CN201610571937.3A CN106180650A (en) | 2016-07-20 | 2016-07-20 | A kind of wear-resisting type castingin tup and production technology thereof |
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Cited By (2)
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| CN108201923A (en) * | 2016-12-16 | 2018-06-26 | 姚晓宁 | A kind of Ceramic Composite rod-toothed crusher roller tooth and preparation method thereof |
| CN110523956A (en) * | 2019-09-04 | 2019-12-03 | 马鞍山海华耐磨材料科技有限公司 | A kind of preparation process of the anticorrosive liner plate of high-strength abrasion-proof |
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| CN110523956A (en) * | 2019-09-04 | 2019-12-03 | 马鞍山海华耐磨材料科技有限公司 | A kind of preparation process of the anticorrosive liner plate of high-strength abrasion-proof |
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