CN102310014A - High performance composite metal hammer - Google Patents
High performance composite metal hammer Download PDFInfo
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- CN102310014A CN102310014A CN201110240477A CN201110240477A CN102310014A CN 102310014 A CN102310014 A CN 102310014A CN 201110240477 A CN201110240477 A CN 201110240477A CN 201110240477 A CN201110240477 A CN 201110240477A CN 102310014 A CN102310014 A CN 102310014A
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- tup
- hammer handle
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Abstract
The invention relates to a high performance composite metal hammer which comprises a hammerhead and a hammer handle. The hammer handle is made of 40 Mn2 low alloy steel; the hammerhead is made of high-chromium alloy cast iron; surface structure of a shank where the hammer handle and the hammerhead join is in a shape of net; the hammerhead has a hardness HRC no less than 58 and impact toughness ak no less than 3 J.cm<2>; the hammer handle has a hardness HBW of 187to 255 and impact toughness ak no less than 40 J.cm<2>. According to the wear resistant hammer provided in the invention, striking position of the hammerhead has high hardness and a certain degree of toughness, which enables the hammer to meet the requirement for wear resistance, and the hammer handle has high toughness and a certain degree of hardness, which enables the hammer to be used safely.
Description
Technical field
The present invention relates to be used for the production technical field of the wear-resistant hammer head on the large-scale hammer mill, relate in particular to a kind of high-performance composition metal tup.
Background technology
Tup is the critical component of large-scale hammer mill; Be widely used in broken industries such as cement, mine, traffic, building materials, power plant, metallurgy; It is a kind of consumable accessory; Annual metal material because of the wearing and tearing labor, the anti-wear performance of grinder hammerhead and safety in utilization thereof are to estimate the important indicator of tup serviceability.Along with the development of crushing mechanism industry, increasing problem goes out one after another, and material and the preparation technology thereof to wear-resistant hammer head has higher requirement like the expansion in broken field, disintegrating apparatus maximization etc.For large-scale tup; How to design a kind of tup; Both made the strike position of tup have high rigidity and certain toughness; The anti-wear performance that satisfies tup requires, makes again the installation position of tup to have high tenacity and certain rigidity, guarantees the safety in utilization of tup, is problem to be solved by this invention.
Summary of the invention
The present invention provides a kind of under high and low impact condition, the high-performance composition metal tup that anti-wear performance and safety in utilization are all good in order to overcome the deficiency of above technology.
Technical scheme of the present invention is: high-performance composition metal tup; Comprise tup and hammer handle; Said hammer handle material is a 40Mn2 low-alloy steel, and the tup material is a high-chromium alloy cast-iron, and hammer handle combines the surface texture of shank with tup be netted; Tup hardness HRC >=58, impact flexibility ak >=3Jcm2, hammer handle hardness HBW:187-255, impact flexibility ak >=40Jcm2;
The percentage by weight chemical composition of said tup is: C:2.6～3.1%, Si:0.4～0.7%, Cr:18～22%, Mn:1.0～1.6%, Mo:1.2～1.4%, Ni:1.2～1.4%, S≤0.03%, P≤0.035%, surplus are Fe;
The percentage by weight chemical composition of said hammer handle is: C:0.35～0.45%, Si:0.2～0.4%, Mn:1.6～1.8%, surplus are Fe.
The step of preparation process of said tup is:
The preparation technology of said hammer handle: through batching, smelt, after the cast depanning, carry out stress relief annealing earlier, polish after the annealing, hammer handle and tup binding site must be smooth, casting skin must not be arranged, before the tup castingin, and the interior 200 ℃ of heating of heat release processing stove, subsequent use;
The preparation technology of said tup is: through batching, and 1500 ℃ of smeltings, 1408～1380 ℃ of depanning coolings after 8 hours are poured into a mould, are incubated to above-mentioned hammer handle and tup binding site, polishing, heat tracing, wind are quenched, tempering, cooling acquisition goods;
Said heat tracing step is to take the heating of four sections warm areas, is incubated after every section warm area heating, is warmed up to the preparation of quenching of 920 ℃ of hardening heats at last;
Described quenching step is that semi-finished product are come out of the stove after 920 ℃ of constant temperature of hardening heat keep accomplishing, and after cold wind quenched, temperature was reduced to 100 ± 5 ℃ and carried out the tempering preparation;
Described tempering step is that the semi-finished product after quenching are heated to 250 ± 5 ℃ of temperatures, slowly cooling after constant temperature keeps accomplishing, and the time that its constant temperature keeps is 4 hours.
Said heat tracing step comprises following operation:
1) with semi-finished product dress basket, is fed into heat-treatment furnace;
2) being heated to 450 ℃ → constant temperature kept 120 minutes;
3) being heated to 650 ℃ → secondary constant temperature kept 120 minutes;
4) being heated to 800 ℃ → three times constant temperature kept 120 minutes;
5) being heated to 920 ℃ → four times constant temperature kept 120 minutes.
The beneficial effect that the present invention had: owing to fully take into account the anufacturability of tup during the design of the chemical composition of tup; Factor such as application conditions and adaptability; Through the chemical composition of appropriate design tup and the network structure on segmentation heat tracing and hammer handle and surface, tup joint portion; Make the surface contact portion of hammer handle and tup ooze interlock, strong bonded mutually, tup hardness HRC >=58, the impact flexibility ak >=3Jcm2 that obtain, hammer handle hardness HBW:187-255, impact flexibility ak >=40Jcm2; The strike position of having satisfied large-scale tup has high rigidity and certain toughness, guarantees its high-wearing feature; Hammer handle has high tenacity and certain rigidity simultaneously; Have the transition connecting portion to the installation position from hitting the position, each position performance of tup is changed in gradient, thereby guarantee phenomenon of rupture not occur in the use; Guarantee the safety in utilization of tup, and increase substantially its service life.。
Description of drawings
Fig. 1 is a high-performance composition metal tup Technology for Heating Processing flow chart of the present invention.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; The specific embodiment, method, step, characteristic and effect thereof to the high-performance composition metal tup that proposes according to the present invention specify as follows:
Embodiment 1:
The first step: alloying component by weight percentage is: C:0.35%, Si:0.4%, Mn:1.6%, and surplus is Fe; Through batching → cooling forming in 1500 ℃ of sand casting chambeies that are cast to required hammer handle shape, the 200 ℃ of heating in polishing (hammer handle and tup binding site must smooth, casting skin must not be arranged) → heat release processing stove of in the time of 100 ℃, shaking out of annealing back hammer handle, subsequent use;
Second step: chemical composition is by weight percentage: C:2.6%, Si:0.7%, Cr:18%, Mn:1.6%, Mo:1.2%, Ni:1.4%, S:0.03%, P:0.03%, and surplus is Fe; Through → 1500 ℃ of batchings smelt → 1408～1380 ℃ after 8 hours are poured into a mould, are incubated to above-mentioned hammer handle and tup binding site depanning cool off → polish → be warming up to 450 ℃, 120 minutes → 650 ℃ of insulations, 120 minutes → 800 ℃ of insulations, 120 minutes → 920 ℃ of insulations, be incubated 120 minutes → wind and quench to 105 ℃ → 250 ℃ tempering → naturally cool to and obtain final tup product below 100 ℃; Tup hardness HRC=60, impact flexibility ak=3Jcm2, hammer handle hardness HBW:=250, impact flexibility ak=45Jcm2.
Embodiment 2:
The first step: alloying component by weight percentage is: C:0.4%, Si:0.3%, Mn:1.7%, and surplus is Fe; Through batching → cooling forming in 1500 ℃ of sand casting chambeies that are cast to required hammer handle shape, the 200 ℃ of heating in polishing (hammer handle and tup binding site must smooth, casting skin must not be arranged) → heat release processing stove of in the time of 100 ℃, shaking out of annealing back hammer handle, subsequent use;
Second step: chemical composition is by weight percentage: C:2.8%, Si:0.4%, Cr:20%, Mn:1.4%, Mo:1.3%, Ni:1.3%, S:0.02%, P:0.025%, and surplus is Fe; Through → 1500 ℃ of batchings smelt → 1408～1380 ℃ after 8 hours are poured into a mould, are incubated to above-mentioned hammer handle and tup binding site depanning cool off → polish → be warming up to 450 ℃, 120 minutes → 650 ℃ of insulations, 120 minutes → 800 ℃ of insulations, 120 minutes → 920 ℃ of insulations, be incubated 120 minutes → wind and quench to 98 ℃ → 248 ℃ tempering → naturally cool to and obtain final tup product below 100 ℃; Tup hardness HRC=59, impact flexibility ak=4Jcm2, hammer handle hardness HBW=200, impact flexibility ak=41Jcm2.
Embodiment 3:
The first step: alloying component by weight percentage is: C:0.45%, Si:0.2%, Mn:1.8%, and surplus is Fe; Through batching → cooling forming in 1500 ℃ of sand casting chambeies that are cast to required hammer handle shape, the 200 ℃ of heating in polishing (hammer handle and tup binding site must smooth, casting skin must not be arranged) → heat release processing stove of in the time of 100 ℃, shaking out of annealing back hammer handle, subsequent use;
Second step: chemical composition is by weight percentage: C:3.1%, Si:0.6%, Cr:22%, Mn:1.0%, Mo:1.4%, Ni:1.2%, S:0.01%, P:0.035%, and surplus is Fe; Through → 1500 ℃ of batchings smelt → 1408～1380 ℃ after 8 hours are poured into a mould, are incubated to above-mentioned hammer handle and tup binding site depanning cool off → polish → be warming up to 450 ℃, 120 minutes → 650 ℃ of insulations, 120 minutes → 800 ℃ of insulations, 120 minutes → 920 ℃ of insulations, be incubated 120 minutes → wind and quench to 102 ℃ → 251 ℃ tempering → naturally cool to and obtain final tup product below 100 ℃; Tup hardness HRC=58, impact flexibility ak=5Jcm2, hammer handle hardness HBW=189, impact flexibility ak=40Jcm2.
The above is merely the specific embodiment of the present invention.Protection scope of the present invention is not limited thereto, and any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (3)
1. high-performance composition metal tup; Comprise tup and hammer handle; It is characterized in that: said hammer handle material is a 40Mn2 low-alloy steel, and the tup material is a high-chromium alloy cast-iron, and hammer handle combines the surface texture of shank with tup be netted; Tup hardness HRC >=58, impact flexibility ak >=3Jcm2, hammer handle hardness HBW:187-255, impact flexibility ak >=40Jcm2;
The percentage by weight chemical composition of said tup is: C:2.6～3.1%, Si:0.4～0.7%, Cr:18～22%, Mn:1.0～1.6%, Mo:1.2～1.4%, Ni:1.2～1.4%, S≤0.03%, P≤0.035%, surplus are Fe;
The percentage by weight chemical composition of said hammer handle is: C:0.35～0.45%, Si:0.2～0.4%, Mn:1.6～1.8%, surplus are Fe.
2. high-performance composition metal tup according to claim 1, it is characterized in that: the step of preparation process of said tup is:
The preparation technology of said hammer handle: through batching, smelt, after the cast depanning, carry out stress relief annealing earlier, polish after the annealing, before the tup castingin, 200 ℃ of heating in the stove are handled in heat release, and are subsequent use;
The preparation technology of said tup is: through batching, and 1500 ℃ of smeltings, 1408～1380 ℃ of depanning coolings after 8 hours are poured into a mould, are incubated to above-mentioned hammer handle and tup binding site, polishing, heat tracing, wind are quenched, tempering, cooling acquisition goods;
Said heat tracing step is to take the heating of four sections warm areas, is incubated after every section warm area heating, is warmed up to the preparation of quenching of 920 ℃ of hardening heats at last;
Described quenching step is that semi-finished product are come out of the stove after 920 ℃ of constant temperature of hardening heat keep accomplishing, and after cold wind quenched, temperature was reduced to 100 ± 5 ℃ and carried out the tempering preparation;
Described tempering step is that the semi-finished product after quenching are heated to 250 ± 5 ℃ of temperatures, slowly cooling after constant temperature keeps accomplishing, and the time that its constant temperature keeps is 4 hours.
3. high-performance composition metal tup according to claim 2 is characterized in that: said heat tracing step comprises following operation:
1) with semi-finished product dress basket, is fed into heat-treatment furnace;
2) being heated to 450 ℃ → constant temperature kept 120 minutes;
3) being heated to 650 ℃ → secondary constant temperature kept 120 minutes;
4) being heated to 800 ℃ → three times constant temperature kept 120 minutes;
5) being heated to 920 ℃ → four times constant temperature kept 120 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110240477.3A CN102310014B (en) | 2011-08-22 | 2011-08-22 | High performance composite metal hammer |
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| CN201110240477.3A CN102310014B (en) | 2011-08-22 | 2011-08-22 | High performance composite metal hammer |
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| CN102310014A true CN102310014A (en) | 2012-01-11 |
| CN102310014B CN102310014B (en) | 2015-09-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263958A (en) * | 2013-04-16 | 2013-08-28 | 安徽省宁国市宁沪钢球有限公司 | Novel multi-component alloy composite hammer |
| CN103266261A (en) * | 2013-04-16 | 2013-08-28 | 安徽省宁国市宁沪钢球有限公司 | High-chromium cast iron grinding body and preparation method thereof |
| CN103506181A (en) * | 2012-06-30 | 2014-01-15 | 洛阳天信矿山机械制造有限公司 | Reversible crusher and using method thereof |
| CN105252215A (en) * | 2015-10-08 | 2016-01-20 | 安徽创业机电设备有限公司 | Abrasion-resisting handle of hammer and preparation method of abrasion-resisting handle |
| CN106180651A (en) * | 2016-07-20 | 2016-12-07 | 常熟市电力耐磨合金铸造有限公司 | A kind of production technology of high abrasion castingin hammer dish |
| CN106180650A (en) * | 2016-07-20 | 2016-12-07 | 常熟市电力耐磨合金铸造有限公司 | A kind of wear-resisting type castingin tup and production technology thereof |
| CN106893927A (en) * | 2017-03-23 | 2017-06-27 | 金华市星球机械铸钢有限公司 | A kind of production technology of antiwear high-chromium cast iron material |
| CN110484809A (en) * | 2019-09-09 | 2019-11-22 | 广东省材料与加工研究所 | Composite hammer head, preparation method and composite hammer head cast model |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257741Y (en) * | 1996-01-05 | 1997-07-16 | 大连卡特林特种合金研究所 | Multiplex vibration double crushing wear-resisting alloyed hammerhead |
| CN2357826Y (en) * | 1999-02-09 | 2000-01-12 | 孙伟成 | Hammer head |
| CN2382470Y (en) * | 1999-08-04 | 2000-06-14 | 刘承刚 | Heavy crushing high strength impact resistant large hammer |
| CN201375909Y (en) * | 2009-01-20 | 2010-01-06 | 河南宏宇特铸股份有限公司 | Composite wearable alloy hammerhead |
| WO2010031663A1 (en) * | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Composite impactor for percussion crushers |
-
2011
- 2011-08-22 CN CN201110240477.3A patent/CN102310014B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257741Y (en) * | 1996-01-05 | 1997-07-16 | 大连卡特林特种合金研究所 | Multiplex vibration double crushing wear-resisting alloyed hammerhead |
| CN2357826Y (en) * | 1999-02-09 | 2000-01-12 | 孙伟成 | Hammer head |
| CN2382470Y (en) * | 1999-08-04 | 2000-06-14 | 刘承刚 | Heavy crushing high strength impact resistant large hammer |
| WO2010031663A1 (en) * | 2008-09-19 | 2010-03-25 | Magotteaux International S.A. | Composite impactor for percussion crushers |
| CN201375909Y (en) * | 2009-01-20 | 2010-01-06 | 河南宏宇特铸股份有限公司 | Composite wearable alloy hammerhead |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506181A (en) * | 2012-06-30 | 2014-01-15 | 洛阳天信矿山机械制造有限公司 | Reversible crusher and using method thereof |
| CN103263958A (en) * | 2013-04-16 | 2013-08-28 | 安徽省宁国市宁沪钢球有限公司 | Novel multi-component alloy composite hammer |
| CN103266261A (en) * | 2013-04-16 | 2013-08-28 | 安徽省宁国市宁沪钢球有限公司 | High-chromium cast iron grinding body and preparation method thereof |
| CN105252215A (en) * | 2015-10-08 | 2016-01-20 | 安徽创业机电设备有限公司 | Abrasion-resisting handle of hammer and preparation method of abrasion-resisting handle |
| CN106180651A (en) * | 2016-07-20 | 2016-12-07 | 常熟市电力耐磨合金铸造有限公司 | A kind of production technology of high abrasion castingin hammer dish |
| CN106180650A (en) * | 2016-07-20 | 2016-12-07 | 常熟市电力耐磨合金铸造有限公司 | A kind of wear-resisting type castingin tup and production technology thereof |
| CN106180651B (en) * | 2016-07-20 | 2018-08-10 | 常熟市电力耐磨合金铸造有限公司 | A kind of production technology of high abrasion castingin hammer disk |
| CN106893927A (en) * | 2017-03-23 | 2017-06-27 | 金华市星球机械铸钢有限公司 | A kind of production technology of antiwear high-chromium cast iron material |
| CN106893927B (en) * | 2017-03-23 | 2018-08-07 | 金华市星球机械铸钢有限公司 | A kind of production technology of antiwear high-chromium cast iron material |
| CN110484809A (en) * | 2019-09-09 | 2019-11-22 | 广东省材料与加工研究所 | Composite hammer head, preparation method and composite hammer head cast model |
| CN110484809B (en) * | 2019-09-09 | 2020-07-07 | 广东省材料与加工研究所 | Composite hammer head, preparation method thereof and composite hammer head casting model |
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| CN102310014B (en) | 2015-09-16 |
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Owner name: NINGGUO DONGFANG MILLING MATERIAL CO., LTD. Free format text: FORMER NAME: NINGGUO DONGFANG MILL MATERIAL CO., LTD. |
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Address after: 242300 No. 47 West Ningyang Road, Anhui, Ningguo Patentee after: NINGGUO DONGFANG MILLING MATERIAL CO.,LTD. Address before: 242300 No. 47 West Ningyang Road, Anhui, Ningguo Patentee before: Ningguo Dongfang Wear-Resistant Materials Co.,Ltd. |
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Denomination of invention: High performance composite metal hammer Effective date of registration: 20210820 Granted publication date: 20150916 Pledgee: China Construction Bank Corporation Ningguo sub branch Pledgor: NINGGUO DONGFANG MILLING MATERIAL Co.,Ltd. Registration number: Y2021980008030 |
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Date of cancellation: 20220819 Granted publication date: 20150916 Pledgee: China Construction Bank Corporation Ningguo sub branch Pledgor: NINGGUO DONGFANG MILLING MATERIAL CO.,LTD. Registration number: Y2021980008030 |