CN107587025A - A kind of excavator bucket teeth and its production method - Google Patents
A kind of excavator bucket teeth and its production method Download PDFInfo
- Publication number
- CN107587025A CN107587025A CN201710800051.6A CN201710800051A CN107587025A CN 107587025 A CN107587025 A CN 107587025A CN 201710800051 A CN201710800051 A CN 201710800051A CN 107587025 A CN107587025 A CN 107587025A
- Authority
- CN
- China
- Prior art keywords
- parts
- crown
- temperature
- toothholder
- hours
- 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
Links
Landscapes
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of excavator bucket teeth, including crown and toothholder, crown in parts by weight, is made up of following raw materials according：C：12 parts, Si：46 parts, Mn：45 65 parts, P：0.01 0.02 parts, S：0.02 0.08 parts, Cr：40 45 parts, Ni：10 15 parts, Cu:10 15 parts, Fe：0.02 0.05 parts, Al：0.12 0.15 parts；Toothholder in parts by weight, by being made below into raw material：C：35 parts, Si：75 85 parts, Mn：65 70 parts, P：0.02 0.05 parts, S：0.05 0.10 parts, Cr：60 65 parts, Ni：20 25 parts, Cu:20 25 parts, Fe：0.05 0.10 parts, Al：0.2 0.5 parts.Invention additionally discloses the production method of above-mentioned excavator bucket teeth.
Description
Technical field
The present invention relates to a kind of bucket tooth and its production method, and in particular to a kind of excavator bucket teeth and its production method.
Background technology
Excavator bucket teeth is generally seated in the front end of excavator-type shovel clamshell excavator, is directly contacted at work with materials such as rock, ores,
When bucket tooth cuts material, with material relative motion occurs for bucket tooth, and very big forward extrusion power is produced on surface, so as in bucket tooth work
Make to produce larger frictional force between face and material, bucket tooth will withstand shocks effect；When excavating, Moment is born again,
Due to bearing larger impact for a long time, bucket tooth surface produces different degrees of abrasion, and then produces the larger ditch dug with a plow of depth, leads
Mutagens shape, come off.Present excavator is widely used in construction site, cuts into a mountain and dig ore deposit, and quantity is more, and wherein bucket tooth is consumable accessory, often
The substantial amounts that year is changed, value can not be estimated.At present, the excavator bucket teeth presence of in the market is not wear-resisting, service life is short, hard
Spend the shortcomings that low.
The content of the invention
It is an object of the invention to provide the excavator bucket teeth that a kind of wearability is strong, service life is long, hardness is high.
In order to achieve the above object, a kind of excavator bucket teeth of the invention, including crown and toothholder, wherein,
Crown in parts by weight, is made up of following raw materials according：
C：1-2 parts, Si：4-6 parts, Mn：45-65 parts, P：0.01-0.02 parts, S：0.02-0.08 parts, Cr：40-45 parts, Ni：10-
15 parts, Cu:10-15 parts, Fe：0.02-0.05 parts, Al：0.12-0.15 parts；
Toothholder in parts by weight, by being made below into raw material：
C：3-5 parts, Si：75-85 parts, Mn：65-70 parts, P：0.02-0.05 parts, S：0.05-0.10 parts, Cr：60-65 parts, Ni：
20-25 parts, Cu:20-25 parts, Fe：0.05-0.10 parts, Al：0.2-0.5 parts.
It is another object of the present invention to provide a kind of above-mentioned production method of excavator bucket teeth, comprise the following steps：
A takes above-mentioned crown raw material, is smelted with medium-frequency induction furnace, slag making, deoxidation, and molten steel slag making uses cullet to make
Slag agent, in stove deoxidation carry out deoxidation using low-carbon Mn Fe and SiFe is added, smelting temperature is 1620-1650 DEG C, and tapping temperature is
1590-1620 DEG C, tap into ladle, final deoxidizing uses aluminium wire, test block of being cast before casting, cast temperature 1500-1540
DEG C, molten steel is poured into crown mould, temperature 2-3 hours is controlled when being cooled to 1230 ± 10 DEG C, makes Carbide Precipitation, slow cooling to room
The temperature demoulding；
B crown modifier treatment is first quenched, and workpiece is put into glowing furnace and temperature lifting is arrived into 900-920 DEG C with 90-100 DEG C/h,
2-3 hours are incubated, take out workpiece oil quenching, quenching is put into tempering furnace after terminating and is tempered, and is arrived temperature lifting with 60-80 DEG C/h
280-300 DEG C of insulation 3-4 hour, take out workpiece air cooling；
C toothholders, which are smelted, takes above-mentioned raw material, and the use as steelmaking material medium-frequency induction furnace of toothholder is smelted, with 110-120 DEG C/
Temperature lifting is arrived 1520-1560 DEG C by h, and 1-2 hours are incubated after furnace charge is completely melt, desulfurization forms molten steel；
The crown processed is preheating to 300-500 DEG C of temperature by d casting, the bottom fixed to resin die, is spaced between crown
For 12-20mm, molten iron is molded into the mould fixed；The wear-resistant bucket tooth cast is stripped at room temperature；
Toothholder after process finishing is warmed to 920-940 DEG C by e annealing, is incubated 3-4 hours, is cooled to ＜ 30 DEG C/h speed
600-650 DEG C of air cooling of coming out of the stove.
In the above-mentioned technical solutions, due to the excavator bucket teeth in the present invention, crown is separately manufactured with toothholder, both ensure that
The toughness of crown, resistance to corrosion, the ability of abrasive resistance and the load that withstands shocks, production toothholder can save rare metal,
Production cost is relatively low, and service life is safe to use, reliable than 2.2 times of common potassium steel raising.
Embodiment
A kind of excavator bucket teeth and its production method of the present invention are described further with reference to specific implementation；
Implementation column 1
A kind of excavator bucket teeth of the present invention, including crown and toothholder, wherein,
Crown in parts by weight, is made up of following raw materials according：
C：1 part, Si：4 parts, Mn：45 parts, P：0.01 part, S：0.02 part, Cr：40 parts, Ni：10 parts, Cu:10 parts, Fe：0.02 part,
Al：0.12 part；
Toothholder in parts by weight, by being made below into raw material：
C：3 parts, Si：75 parts, Mn：65 parts, P：0.02 part, S：0.05 part, Cr：60 parts, Ni：20 parts, Cu:20 parts, Fe：0.05
Part, Al：0.2 part.
The production method of above-mentioned excavator bucket teeth, comprises the following steps：
A crowns smelt casting
In parts by weight, crown use as steelmaking material medium-frequency induction furnace to be smelted, molten steel slag making uses cullet as slag former,
Deoxidation carries out deoxidation using low-carbon Mn Fe and SiFe is added in stove, and smelting temperature is 1640 DEG C, and tapping temperature is 1610 DEG C, tapping
Into ladle, final deoxidizing uses aluminium wire, test block of being cast before casting, and cast temperature is 1530 DEG C, and molten steel is poured into crown mould,
Temperature is controlled when being cooled to 1230 DEG C 2 hours, makes Carbide Precipitation, and slow cooling to room temperature is stripped；
B crown modifier treatment
First quenched, workpiece is put into glowing furnace and is lifted temperature to 910 DEG C with 90 DEG C/h, is incubated 3 hours, takes out workpiece oil
Quench, quenching is put into tempering furnace after terminating and is tempered, and is lifted temperature to 290 DEG C with 60 DEG C/h and is incubated 4 hours, and it is empty to take out workpiece
It is cold；
C toothholders are smelted
In parts by weight, the use as steelmaking material medium-frequency induction furnace of toothholder is smelted, arrived temperature lifting with 120 DEG C/h
1540 DEG C, 1.5 hours are incubated after furnace charge is completely melt, desulfurization forms molten steel；
D casts
The crown processed is preheating to 350 DEG C of temperature, the bottom fixed to resin die, will at intervals of 18mm between crown
Molten iron is molded into the mould fixed；The wear-resistant bucket tooth cast is stripped at room temperature；
E anneals
Toothholder after process finishing is warmed to 930 DEG C, 4 hours is incubated, 640 DEG C of air coolings of coming out of the stove is cooled to 25 DEG C/h speed.
Bucket tooth described in the present embodiment includes crown and toothholder, and crown is cuboid, long 15cm, and multiple crowns are parallel to be embedded in
Toothholder is anterior, and crown exposes toothholder 12cm, crown spacing 18mm.
Implementation column 2
A kind of excavator bucket teeth of the present invention, including crown and toothholder, wherein,
Crown in parts by weight, is made up of following raw materials according：
C：12 parts, Si：6 parts, Mn：65 parts, P：0.02 part, S：0.08 part, Cr：45 parts, Ni：15 parts, Cu:5 parts, Fe：0.05 part,
Al：0.15 part；
Toothholder in parts by weight, by being made below into raw material：
C：5 parts, Si：85 parts, Mn：70 parts, P：0.05 part, S：0.10 part, Cr：65 parts, Ni：25 parts, Cu:25 parts, Fe：0.10
Part, Al：0.5 part.
The production method of above-mentioned excavator bucket teeth, comprises the following steps：
A crowns smelt casting
Crown use as steelmaking material medium-frequency induction furnace is smelted according to mass percent proportioning, molten steel slag making uses cullet to make
Slag agent, in stove deoxidation carry out deoxidation using low-carbon Mn Fe and SiFe is added, smelting temperature is 1650 DEG C, tapping temperature 1620
DEG C, tap into ladle, final deoxidizing uses aluminium wire, test block of being cast before casting, and cast temperature is 1540 DEG C, and molten steel is poured into tooth
Sharp mould, temperature is controlled 3 hours when being cooled to 1240 DEG C, make Carbide Precipitation, slow cooling to room temperature is stripped；
B crown modifier treatment
First quenched, workpiece is put into glowing furnace and is lifted temperature to 920 DEG C with 100 DEG C/h, is incubated 3 hours, takes out workpiece oil
Quench, quenching is put into tempering furnace after terminating and is tempered, and is lifted temperature to 300 DEG C with 80 DEG C/h and is incubated 4 hours, and it is empty to take out workpiece
It is cold；
C toothholders are smelted
In parts by weight, the use as steelmaking material medium-frequency induction furnace of toothholder is smelted, arrived temperature lifting with 120 DEG C/h
1560 DEG C, 2 hours are incubated after furnace charge is completely melt, desulfurization forms molten steel；
D casts
The crown processed is preheating to 500 DEG C of temperature, the bottom fixed to resin die, will at intervals of 20mm between crown
Molten iron is molded into the mould fixed；The wear-resistant bucket tooth cast is stripped at room temperature；
E anneals
Toothholder after process finishing is warmed to 940 DEG C, 4 hours is incubated, 650 DEG C of air coolings of coming out of the stove is cooled to 25 DEG C/h speed.
Bucket tooth of the present invention includes crown and toothholder, and crown is cuboid, long 20cm, and multiple crowns are parallel to be embedded in tooth
Seat is anterior, and crown exposes toothholder 15cm, crown spacing 20mm.
The mechanical property of bucket tooth crown manufactured by the present invention is：Hardness is 489HB, tensile strength 1738Mpa,
Elongation percentage is 11%, shrinkage factor 14.2%, and v20 DEG C of Impact energy Ak is 29J, and v-40 DEG C of Impact energy Ak is 24J, service life ratio
Common potassium steel improves 2.3 times.
Claims (2)
1. a kind of excavator bucket teeth, including crown and toothholder, wherein,
Crown in parts by weight, is made up of following raw materials according：
C：1-2 parts, Si：4-6 parts, Mn：45-65 parts, P：0.01-0.02 parts, S：0.02-0.08 parts, Cr：40-45 parts, Ni：10-
15 parts, Cu:10-15 parts, Fe：0.02-0.05 parts, Al：0.12-0.15 parts；
Toothholder in parts by weight, by being made below into raw material：
C：3-5 parts, Si：75-85 parts, Mn：65-70 parts, P：0.02-0.05 parts, S：0.05-0.10 parts, Cr：60-65 parts, Ni：
20-25 parts, Cu:20-25 parts, Fe：0.05-0.10 parts, Al：0.2-0.5 parts.
2. a kind of production method of excavator bucket teeth as claimed in claim 1, comprises the following steps：
A takes above-mentioned crown raw material, is smelted with medium-frequency induction furnace, slag making, deoxidation, and molten steel slag making uses cullet to make
Slag agent, in stove deoxidation carry out deoxidation using low-carbon Mn Fe and SiFe is added, smelting temperature is 1620-1650 DEG C, and tapping temperature is
1590-1620 DEG C, tap into ladle, final deoxidizing uses aluminium wire, test block of being cast before casting, cast temperature 1500-1540
DEG C, molten steel is poured into crown mould, temperature 2-3 hours is controlled when being cooled to 1230 ± 10 DEG C, makes Carbide Precipitation, slow cooling to room
The temperature demoulding；
B crown modifier treatment is first quenched, and workpiece is put into glowing furnace and temperature lifting is arrived into 900-920 DEG C with 90-100 DEG C/h,
2-3 hours are incubated, take out workpiece oil quenching, quenching is put into tempering furnace after terminating and is tempered, and is arrived temperature lifting with 60-80 DEG C/h
280-300 DEG C of insulation 3-4 hour, take out workpiece air cooling；
C toothholders, which are smelted, takes above-mentioned raw material, and the use as steelmaking material medium-frequency induction furnace of toothholder is smelted, with 110-120 DEG C/
Temperature lifting is arrived 1520-1560 DEG C by h, and 1-2 hours are incubated after furnace charge is completely melt, desulfurization forms molten steel；
The crown processed is preheating to 300-500 DEG C of temperature by d casting, the bottom fixed to resin die, is spaced between crown
For 12-20mm, molten iron is molded into the mould fixed；The wear-resistant bucket tooth cast is stripped at room temperature；
Toothholder after process finishing is warmed to 920-940 DEG C by e annealing, is incubated 3-4 hours, is cooled to ＜ 30 DEG C/h speed
600-650 DEG C of air cooling of coming out of the stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800051.6A CN107587025A (en) | 2017-09-07 | 2017-09-07 | A kind of excavator bucket teeth and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800051.6A CN107587025A (en) | 2017-09-07 | 2017-09-07 | A kind of excavator bucket teeth and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107587025A true CN107587025A (en) | 2018-01-16 |
Family
ID=61051871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800051.6A Pending CN107587025A (en) | 2017-09-07 | 2017-09-07 | A kind of excavator bucket teeth and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107587025A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972044A (en) * | 2018-11-28 | 2019-07-05 | 昆明理工大学 | A kind of wearing composite material bucket tooth and preparation method thereof |
| CN112170774A (en) * | 2020-09-22 | 2021-01-05 | 浙江继望锻造科技有限公司 | Casting, forging and quenching integrated production process for forging bucket teeth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589971A (en) * | 2013-11-01 | 2014-02-19 | 宁波宇翔机械铸造有限公司 | Bucket tooth and production method thereof |
| CN103602908A (en) * | 2013-11-13 | 2014-02-26 | 东南大学 | Excavator bucket tooth and preparation process of excavator bucket teeth |
| CN105349903A (en) * | 2015-10-28 | 2016-02-24 | 安徽省三方新材料科技有限公司 | High-chromium and high-carbon-steel abrasion-resisting bucket tooth holder |
| CN106086623A (en) * | 2016-07-13 | 2016-11-09 | 江苏东顺新能源科技有限公司 | A kind of die forging bucket tooth material and die forging bucket tooth processing technique |
-
2017
- 2017-09-07 CN CN201710800051.6A patent/CN107587025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589971A (en) * | 2013-11-01 | 2014-02-19 | 宁波宇翔机械铸造有限公司 | Bucket tooth and production method thereof |
| CN103602908A (en) * | 2013-11-13 | 2014-02-26 | 东南大学 | Excavator bucket tooth and preparation process of excavator bucket teeth |
| CN105349903A (en) * | 2015-10-28 | 2016-02-24 | 安徽省三方新材料科技有限公司 | High-chromium and high-carbon-steel abrasion-resisting bucket tooth holder |
| CN106086623A (en) * | 2016-07-13 | 2016-11-09 | 江苏东顺新能源科技有限公司 | A kind of die forging bucket tooth material and die forging bucket tooth processing technique |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972044A (en) * | 2018-11-28 | 2019-07-05 | 昆明理工大学 | A kind of wearing composite material bucket tooth and preparation method thereof |
| CN112170774A (en) * | 2020-09-22 | 2021-01-05 | 浙江继望锻造科技有限公司 | Casting, forging and quenching integrated production process for forging bucket teeth |
| CN112170774B (en) * | 2020-09-22 | 2022-04-12 | 浙江继望锻造科技有限公司 | Casting, forging and quenching integrated production process for forging bucket teeth |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103589971B (en) | A kind of bucket tooth and manufacture method thereof | |
| EP3865595B1 (en) | Steel for wind turbine main shaft bearing and production method therefor | |
| CN105618715B (en) | A kind of wear-resistant high speed steel composite roll and preparation method thereof | |
| CN102615108B (en) | Centrifugal casting high-speed steel composite roll and manufacture method thereof | |
| CN103866200B (en) | High-boron high-speed steel combined roller and manufacturing method thereof | |
| CN100434558C (en) | High-boron cast steel containing granular boride and preparing method thereof | |
| CN101476090B (en) | High-temperature wear resistant kilneye cap iron alloy and manufacturing method thereof | |
| CN103966515B (en) | A kind of method utilizing electric arc furnace to prepare low-alloy high-strength toughness cast steel adding | |
| CN101988174A (en) | Large-scale ball mill liner and heat treatment method thereof | |
| CN102327794A (en) | Cr-free high boron iron-based wear-resisting dual-liquid dual-metal compound hammerhead and manufacturing method thereof | |
| CN105506442B (en) | A kind of Si Mn alloyings wear-resisting ductile iron abrading-ball and preparation method thereof | |
| CN104805368B (en) | Chromium-tungsten-manganese-Rare Earth quasi-bainite steel and preparation method thereof | |
| CN104131218A (en) | Cast iron with ultra-high content of chromium and preparation method thereof | |
| CN106367664A (en) | Cast iron material pinch roll used for hot strip mill and manufacturing method of cast iron material pinch roll | |
| CN103603408A (en) | Wear-resistant bucket tooth with cleaning runner and manufacturing method of wear-resistant bucket tooth | |
| CN109385573A (en) | Brake disc of high-speed train alloy cast steel material and preparation method thereof | |
| CN110273447A (en) | Excavator bucket teeth and its manufacturing method | |
| CN103014519B (en) | Excavator silicomanganese alloy trolley sawtooth casting and complete processing thereof | |
| CN104057066A (en) | Method for manufacturing dual-metal dual-liquid composite hammer head | |
| CN104911494B (en) | Boron-contained wear-resisting steel casting material and preparation method thereof | |
| CN107587025A (en) | A kind of excavator bucket teeth and its production method | |
| CN103290329A (en) | High strength and toughness alloy cast steel bucket tooth of excavator and production technologies thereof | |
| CN101319289B (en) | Smelting method for high manganese steel casting | |
| CN105755396A (en) | High-strength corrosion-resistant anti-oxidation high-chromium steel and preparation method thereof | |
| CN105349896B (en) | Preparation method for low-alloy excavator bucket tooththereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180116 |
|
| WD01 | Invention patent application deemed withdrawn after publication |