CN106834926A - A kind of mechanical arm antifriction alloy casting and its casting method - Google Patents
A kind of mechanical arm antifriction alloy casting and its casting method Download PDFInfo
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- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- 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
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- 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
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- 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
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- 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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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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Abstract
The present invention proposes a kind of mechanical arm antifriction alloy casting and its casting method, is related to machine casting technical field, and the chemical element component and its mass percent that the mechanical arm antifriction alloy casting contains are as follows：C：1.2 1.8%, Si：1.4 2.2%, Mn：1.4 2.0%, Cr：4.5 5.5%, Mo：0.4 0.55%, Ni：0.6 1.0%, W：0.22 0.32%, Ti：0.13 0.22%, B：0.06 0.12%, rare earth：0.12 0.18%, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity, casting method of the present invention is simple, production efficiency is high, by strict control chemical element component, optimization smelting technology and Technology for Heating Processing etc., the wearability of obtained alloy-steel casting, toughness is set to have further raising, long service life compared with traditional handicraft.
Description
Technical field
The present invention relates to machine casting technical field, and in particular to a kind of mechanical arm antifriction alloy casting and its casting side
Method.
Background technology
Robotic arm also known as mechanical arm, it is that most broad practice is obtained in robot technical field at present
Automated machine device, in fields such as industrial manufacture, therapeutic treatment, entertainment service, military affairs, semiconductor manufacturing and space probations
Its figure can be seen.Although their form is had nothing in common with each other, they have one it is common the characteristics of, can exactly receive
Instruction, being precisely positioned to three-dimensional (or two dimension) certain point spatially carries out operation.Mechanical arm typically has three motions：Stretch
Contracting, rotation and lifting, wherein rotary motion are completed with mechanical arm and corresponding mechanical arm mounting bracket, more specifically
Say, in the mechanical arm rotary drive mechanism of this structure, mechanical arm is typically all hinged on mechanical arm mounting bracket, while mechanical
Arm is also associated with the cylinder or oil cylinder of driving, thus realizes the rotary motion of mechanical arm.
Mechanical arm needs to use under circumstances, it is therefore desirable to which possessing excellent physical property and chemical property could expire
Sufficient use demand.Existing mechanical arm is often worn in the long-term course of work, and existing mechanical arm product has very
Many technical limitations, the bad arm segments of some qualities are easy to be worn, with so that the inefficiency of mechanical arm,
Its service life has been shortened significantly simultaneously.
The content of the invention
For above-mentioned problem, the present invention proposes a kind of mechanical arm antifriction alloy casting and its casting method,
The alloy-steel casting that casting is obtained has high-wearing feature, high tenacity, long service life.
In order to realize above-mentioned purpose, the present invention uses following technical scheme：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.2-1.8%, Si：1.4-2.2%, Mn：1.4-2.0%, Cr：4.5-5.5%, Mo：0.4-0.55%, Ni：0.6-1.0%,
W：0.22-0.32%, Ti：0.13-0.22%, B：0.06-0.12%, rare earth：0.12-0.18%, P≤0.04%, S≤
0.04%th, balance of Fe and inevitable impurity.
Preferably, the chemical element component and its mass percent that the mechanical arm antifriction alloy casting contains are as follows：
C：1.6%th, Si：1.8%th, Mn：1.6%th, Cr：5.0%th, Mo：0.45%th, Ni：0.8%th, W：0.28%th, Ti：0.16%th, B：
0.08%th, rare earth：0.15%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
Preferably, the rare earth is rare earth oxide Ce2O3、La2O3Or Y2O3。
Preferably, the rare earth is rare earth oxide La2O3。
Present invention also offers the above-mentioned mechanical arm casting method of antifriction alloy casting, comprise the following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and dilute are weighed by recipe ratio
Soil, it is standby；
(2) pig iron, steel scrap are heated into fusing in electric furnace, after molten iron is melting down, ferrosilicon and ferromanganese is sequentially added, using aluminium
After silk deoxidation, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron are sequentially added, removed using aluminium wire deoxidation and in molten iron level again
After slag, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron is poured into casting-up shaping after standing；
(3) cast gained casting is heated to 750-780 DEG C, is incubated 2-3h, be then heated to the speed of 22-30 DEG C/h
920-950 DEG C, 1-1.5h is incubated, casting is taken out from stove after being cooled to 750-780 DEG C with stove, it is air-cooled to 420-450 DEG C；Then
It is put into the stove for being preheated to 420-450 DEG C, is incubated 1-1.5h, be cooled to 250-270 DEG C with stove afterwards, air cooling of coming out of the stove is obtained final product described
Antifriction alloy casting.
Preferably, the electric furnace in the step (2) is medium-frequency induction furnace.
Preferably, in the step (3)：Cast gained casting is heated to 760 DEG C, 2.5h is incubated, then with 28 DEG C/h
Speed be heated to 950 DEG C, be incubated 1h, casting is taken out from stove after being cooled to 760 DEG C with stove, it is air-cooled to 435 DEG C；It is then placed in
It is preheated in 435 DEG C of stove, is incubated 1.5h, be cooled to 260 DEG C with stove afterwards, air cooling of coming out of the stove obtains final product the antifriction alloy casting.
The beneficial effects of the invention are as follows：
There is high-wearing feature by the mechanical arm alloy-steel casting obtained by casting method of the present invention, cast(ing) surface is attractive in appearance,
Internal defects count is few, and overall performance is excellent.The addition of Cr can improve the hardness and toughness of casting in the present invention, appropriate W's
Addition can improve the hardness of casting, and refined carbides and matrix；The addition of a small amount of rare earth can purifying molten iron, the stream of improvement molten iron
Dynamic property, and structure of cast iron can be refined, substantially increase molding effect.
Casting method of the present invention is simple, and production efficiency is high, by strict control chemical element component, optimization smelting technology and
Technology for Heating Processing etc., makes the wearability of obtained alloy-steel casting, toughness have further raising, service life compared with traditional handicraft
It is long.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment 1：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.2-1.8%, Si：1.4-2.2%, Mn：1.4-2.0%, Cr：4.5-5.5%, Mo：0.4-0.55%, Ni：0.6-1.0%,
W：0.22-0.32%, Ti：0.13-0.22%, B：0.06-0.12%, rare earth oxide La2O3：0.12-0.18%, P≤
0.04%th, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting, comprises the following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and dilute are weighed by recipe ratio
Native oxide La2O3, it is standby；
(2) pig iron, steel scrap are heated into fusing in medium-frequency induction furnace, after molten iron is melting down, sequentially adds ferrosilicon and manganese
Iron, using aluminium wire deoxidation after, sequentially add ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron, again using aluminium wire deoxidation and
After molten iron level slagging-off, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron poured into casting mold after standing and is poured
Form shape；
(3) cast gained casting is heated to 760 DEG C, is incubated 2.5h, be then heated to 950 DEG C with the speed of 28 DEG C/h,
Insulation 1h, takes out casting from stove after being cooled to 760 DEG C with stove, air-cooled to 435 DEG C；It is then placed in being preheated in 435 DEG C of stove,
Insulation 1.5h, is cooled to 260 DEG C with stove afterwards, and air cooling of coming out of the stove obtains final product the antifriction alloy casting.
Embodiment 2：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.4%th, Si：1.6%th, Mn：1.6%th, Cr：5.5%th, Mo：0.48%th, Ni：1.0%th, W：0.30%th, Ti：0.16%th, B：
0.10%th, rare earth oxide Ce2O3：0.16%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting, comprises the following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and dilute are weighed by recipe ratio
Native oxide Ce2O3, it is standby；
(2) pig iron, steel scrap are heated into fusing in medium-frequency induction furnace, after molten iron is melting down, sequentially adds ferrosilicon and manganese
Iron, using aluminium wire deoxidation after, sequentially add ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron, again using aluminium wire deoxidation and
After molten iron level slagging-off, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron poured into casting mold after standing and is poured
Form shape；
(3) cast gained casting is heated to 780 DEG C, is incubated 2h, be then heated to 920 DEG C with the speed of 25 DEG C/h, protected
Warm 1.5h, takes out casting from stove after being cooled to 750 DEG C with stove, air-cooled to 430 DEG C；It is then placed in being preheated in 430 DEG C of stove,
Insulation 1.5h, is cooled to 270 DEG C with stove afterwards, and air cooling of coming out of the stove obtains final product the antifriction alloy casting.
Embodiment 3：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.8%th, Si：1.4%th, Mn：2.0%th, Cr：5.5%th, Mo：0.4%th, Ni：1.0%th, W：0.32%th, Ti：0.13%th, B：
0.12%th, rare earth oxide Y2O3：0.12%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting, comprises the following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and dilute are weighed by recipe ratio
Native oxide Y2O3, it is standby；
(2) pig iron, steel scrap are heated into fusing in medium-frequency induction furnace, after molten iron is melting down, sequentially adds ferrosilicon and manganese
Iron, using aluminium wire deoxidation after, sequentially add ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron, again using aluminium wire deoxidation and
After molten iron level slagging-off, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron poured into casting mold after standing and is poured
Form shape；
(3) cast gained casting is heated to 750 DEG C, is incubated 3h, be then heated to 950 DEG C with the speed of 30 DEG C/h, protected
Warm 1h, takes out casting from stove after being cooled to 760 DEG C with stove, air-cooled to 450 DEG C；It is then placed in being preheated in 450 DEG C of stove, protects
Warm 1h, is cooled to 250 DEG C with stove afterwards, air cooling of coming out of the stove, and obtains final product the antifriction alloy casting.
Embodiment 4：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.5%th, Si：2.0%th, Mn：1.5%th, Cr：4.5%th, Mo：0.45%th, Ni：0.9%th, W：0.25%th, Ti：0.17%th, B：
0.12%th, rare earth oxide La2O3：0.14%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting, comprises the following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and dilute are weighed by recipe ratio
Native oxide La2O3, it is standby；
(2) pig iron, steel scrap are heated into fusing in medium-frequency induction furnace, after molten iron is melting down, sequentially adds ferrosilicon and manganese
Iron, using aluminium wire deoxidation after, sequentially add ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron, again using aluminium wire deoxidation and
After molten iron level slagging-off, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron poured into casting mold after standing and is poured
Form shape；
(3) cast gained casting is heated to 770 DEG C, is incubated 2.5h, be then heated to 940 DEG C with the speed of 22 DEG C/h,
Insulation 1.5h, takes out casting from stove after being cooled to 780 DEG C with stove, air-cooled to 420 DEG C；It is then placed in being preheated to 420 DEG C of stove
In, 1h is incubated, it is cooled to 260 DEG C with stove afterwards, air cooling of coming out of the stove obtains final product the antifriction alloy casting.
Embodiment 5：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.2%th, Si：2.2%th, Mn：1.4%th, Cr：4.5%th, Mo：0.55%th, Ni：0.6%th, W：0.22%th, Ti：0.22%th, B：
0.06%th, rare earth oxide La2O3：0.18%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting is with embodiment 1.
Embodiment 6：
A kind of mechanical arm antifriction alloy casting, its chemical element component for containing and its mass percent are as follows：C：
1.7%th, Si：1.4%th, Mn：1.8%th, Cr：5.3%th, Mo：0.48%th, Ni：1.0%th, W：0.22%th, Ti：0.13%th, B：
0.12%th, rare earth oxide Y2O3：0.15%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable impurity.
The above-mentioned mechanical arm casting method of antifriction alloy casting is with embodiment 3.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (7)
1. a kind of mechanical arm antifriction alloy casting, it is characterised in that its chemical element component and its mass percent for containing
It is as follows：C：1.2-1.8%, Si：1.4-2.2%, Mn：1.4-2.0%, Cr：4.5-5.5%, Mo：0.4-0.55%, Ni：0.6-
1.0%th, W：0.22-0.32%, Ti：0.13-0.22%, B：0.06-0.12%, rare earth：0.12-0.18%, P≤0.04%, S
≤ 0.04%, balance of Fe and inevitable impurity.
2. mechanical arm according to claim 1 antifriction alloy casting, it is characterised in that its chemical element component for containing
And its mass percent is as follows：C：1.6%th, Si：1.8%th, Mn：1.6%th, Cr：5.0%th, Mo：0.45%th, Ni：0.8%th, W：
0.28%th, Ti：0.16%th, B：0.08%th, rare earth：0.15%th, P≤0.04%, S≤0.04%, balance of Fe and inevitable
Impurity.
3. mechanical arm according to claim 1 antifriction alloy casting, it is characterised in that the rare earth is rare earth oxide
Ce2O3、La2O3Or Y2O3。
4. mechanical arm according to claim 3 antifriction alloy casting, it is characterised in that the rare earth is rare earth oxide
La2O3。
5. the casting method of antifriction alloy casting of the mechanical arm according to claim any one of 1-4, it is characterised in that bag
Include following steps：
(1) pig iron, steel scrap, ferrosilicon, ferromanganese, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron and rare earth are weighed by recipe ratio, it is standby
With；
(2) pig iron, steel scrap are heated into fusing in electric furnace, after molten iron is melting down, sequentially adds ferrosilicon and ferromanganese, it is de- using aluminium wire
After oxygen, ferrochrome, molybdenum powder, ferronickel, ferrotungsten, titanium valve, ferro-boron are sequentially added, again using aluminium wire deoxidation and in molten iron level slagging-off
Afterwards, molten iron is come out of the stove rapidly and is poured into the casting ladle that rare earth is placed in bottom, molten iron is poured into casting-up shaping after standing；
(3) cast gained casting is heated to 750-780 DEG C, is incubated 2-3h, 920- is then heated to the speed of 22-30 DEG C/h
950 DEG C, 1-1.5h is incubated, casting is taken out from stove after being cooled to 750-780 DEG C with stove, it is air-cooled to 420-450 DEG C；It is then placed in
It is preheated in 420-450 DEG C of stove, is incubated 1-1.5h, be cooled to 250-270 DEG C with stove afterwards, air cooling of coming out of the stove is obtained final product described wear-resisting
Alloy-steel casting.
6. the mechanical arm according to claim 5 casting method of antifriction alloy casting, it is characterised in that the step
(2) electric furnace in is medium-frequency induction furnace.
7. the mechanical arm according to claim 5 casting method of antifriction alloy casting, it is characterised in that the step
(3) in：Cast gained casting is heated to 760 DEG C, 2.5h is incubated, 950 DEG C, insulation are then heated to the speed of 28 DEG C/h
1h, takes out casting from stove after being cooled to 760 DEG C with stove, air-cooled to 435 DEG C；It is then placed in being preheated in 435 DEG C of stove, is incubated
1.5h, is cooled to 260 DEG C with stove afterwards, air cooling of coming out of the stove, and obtains final product the antifriction alloy casting.
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| CN107696066A (en) * | 2017-10-13 | 2018-02-16 | 江苏捷帝机器人股份有限公司 | A kind of durable type robot arm balancing weight casting |
| CN107877543A (en) * | 2017-10-13 | 2018-04-06 | 江苏捷帝机器人股份有限公司 | A kind of wear-resisting high-strength spends long-life robotic forearm casting |
| CN107891443A (en) * | 2017-10-13 | 2018-04-10 | 江苏捷帝机器人股份有限公司 | A kind of high hard robotic forearm casting of corrosion resistant high tenacity |
| CN108149140A (en) * | 2018-01-12 | 2018-06-12 | 安徽臣诺机器人科技有限公司 | A kind of production technology of mechanical arm casting of robot |
| CN108149151A (en) * | 2018-01-12 | 2018-06-12 | 安徽臣诺机器人科技有限公司 | A kind of high strength industrial mechanical arm alloy-steel casting and casting technique |
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| CN108239721A (en) * | 2018-01-12 | 2018-07-03 | 和县隆盛精密机械有限公司 | A kind of mechanical arm alloy-steel casting and casting technique |
| CN109837453A (en) * | 2019-04-16 | 2019-06-04 | 郑州大学 | A kind of production method of the workbench of planer |
| CN115029616A (en) * | 2022-08-11 | 2022-09-09 | 垣曲县晋锋机械铸造有限公司 | Heat-resistant, wear-resistant and corrosion-resistant iron casting |
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