CN105803304A - High-load wear resistant stacking machine arm and preparation method - Google Patents
High-load wear resistant stacking machine arm and preparation method Download PDFInfo
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- CN105803304A CN105803304A CN201610247148.4A CN201610247148A CN105803304A CN 105803304 A CN105803304 A CN 105803304A CN 201610247148 A CN201610247148 A CN 201610247148A CN 105803304 A CN105803304 A CN 105803304A
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- molten iron
- piling
- robotic arm
- resistant
- wear
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 128
- 229910052742 iron Inorganic materials 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 229910000604 Ferrochrome Inorganic materials 0.000 claims abstract description 9
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 9
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims abstract description 9
- 229910000805 Pig iron Inorganic materials 0.000 claims abstract description 9
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 13
- 229910052720 vanadium Inorganic materials 0.000 claims description 13
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 239000008187 granular material Substances 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 claims description 9
- 235000019738 Limestone Nutrition 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 239000006028 limestone Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 239000000956 alloy Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000016768 molybdenum Nutrition 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a high-load wear resistant stacking machine arm and a preparation method. The high-load wear resistant stacking machine arm consists of the following components in percentage by weight: 3.0-4.5% of C, 12-25% of Cr, 0.6-0.9% of Si, 0.4-1.3% of Mo, 0.4-1.4% of Mn, 0.2-0.8% of Ni, 0.01-0.06% of V, 0.02-0.08% of S, 0.01-0.06% of P, and 0.01-0.06% of Zn. The preparation method comprises the following steps: firstly, waste steel and pig iron are molten and pre-deoxidized; then, ferrochromium, ferromanganese and ferrosilicon are added to obtain molten iron; silicon is added to perform final deoxidation and slagging; and after the molten iron is molded through pouring, the heat treatment and the surface treatment are performed. The stacking machine arm is excellent in high-load capacity and hardness, is simple and effective in preparation method, and is suitable for large-scale industrial popularization.
Description
Technical field
The present invention relates to field of alloy material, be specifically related to a kind of high capacity wear-resistant piling machine
Arm product and preparation method.
Background technology
Stacking machine, it be by conveyer conveying come pocket, carton or other packaging material by
The working method required according to customer process is stacked into buttress automatically, and is carried by the material becoming buttress
Equipment.At present the most on upper market is automatic stacking machine, and it is that mechanical, electrical integration is high
New Product, in, Low Level Code stack machine low-producing production needs in can meeting.Can be according to
The organizational systems required and the number of plies, complete the piling to various products such as pocket, blob of viscose, casings,
Optimized design makes to pile up neatly shape closely, neatly.Automatic stacking machine is divided into machine by intelligent level
Device people's stacking machine and mechanical type piling two kinds, mechanical type stacking machine can be divided into again planer-type piling
Stacking machine, column stacking machine, mechanical arm type stacking machine.
At present, piling robotic arm prepared by domestic commonly used alloy material, and alloy material is full
The different working condition requirements of foot, in addition to adjusting phosphorus content, are also aided with other alloying element, as nickel, tungsten,
Molybdenums etc., form multicomponent alloy material and meet the market demands of piling robotic arm.But code at present
Often there are the defects such as slag inclusion, pore, shrinkage cavity and porosity in buttress robotic arm preparation technology, makes made
Standby piling robotic arm dense internal organization degree out is the highest, and hardness is inadequate, and load capacity is the highest,
The most easily being worn, service life is short.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of high capacity wear-resistant piling machine
Arm and preparation method so that the high capacity wear-resistant piling robotic arm invented has good good
Good high load capability and hardness.
For realizing object above, the present invention is achieved by the following technical programs:
The invention provides a kind of high capacity wear-resistant piling robotic arm, by following percentage by weight
Composition: C:3.0-4.5%, Cr:12-25%, Si:0.6-0.9%, Mo:0.4-1.3%, Mn:
0.4-1.4%, Ni:0.2-0.8%, V:0.01-0.06%, S:0.02-0.08%, P:0.01-0.06%,
Zn:0.01-0.06%.
Preferably, it is made up of following percentage by weight: C:3.5-4.0%, Cr:16-20%, Si:
0.7-0.85%, Mo:0.8-1.0%, Mn:0.6-1.2%, Ni:0.1-0.4%, V:0.02-0.05%,
S:0.018-0.025%, P:0.03-0.04%, Zn:0.02-0.04%.
Preferably, it is made up of following percentage by weight: C:3.5%, Cr:16%, Si:0.75%,
Mo:1.0%, Mn:0.8%, Ni:0.2%, V:0.03%, S:0.019%, P:0.03%,
Zn:0.02%.
The preparation method of a kind of piling robotic arm as wear-resistant in high capacity, comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550-1600 DEG C, addition silicon, every
Put into once every 15-20min, put in three times, then carry out final deoxidizing, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1400-1460 DEG C, vanadium carbide granule is added
Mix and blend 20-30min, pours in tundish, then with 0.6-1.0L/min by protection sleeve pipe
Speed pour mould into and pour into a mould, after molten iron cooled and solidified, obtain high capacity after being poured
Wear-resistant piling robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 2-3h in heating furnace, its
The temperature of middle heating furnace is 1000-1200 DEG C, then de-scaling 1-2h in high pressure descaling machine, cooling
To room temperature.
Preferably, the siliceous amount added in described step (3) accounts for described qualified molten steel quality
0.1-0.3%.
Preferably, the speed of the described cooling in step (5) is 50-70 DEG C/h, in descaling mill
Hydraulic pressure be 20-30MPa.
The method have the benefit that
The present invention, by the scientific matching to product constituent content, makes the piling robotic arm of invention have
There are good high load capability and hardness, in preparation method, additionally before molten iron casting, add carbonization
Vanadium granule, vanadium carbide granule has good chemical stability and high-temperature behavior, can not only be bright
Aobvious raising alloy property, it is also possible to suppression alloy grain increases and improves organizational structure, it is possible to have
The defects such as the slag inclusion controlling to occur in robotic arm material of effect, pore, shrinkage cavity and porosity, so that
Prepared by piling robotic arm dense internal organization degree out high, there is higher hardness, have
Higher load capacity；The present invention adds silicon and carries out three deoxidations, during casting machine arm with
Reducing its oxygen content in steel, silicon, in addition to generating oxide precipitation, also generates nitride and continues
Reacting with oxygen, deaerating effect is more notable.Piling robotic arm heat treatment process of the present invention uses first
Heat the mode of the last air cooling again of de-scaling again, by changing microscopic structure and the material of material internal
The trickle process in surface, it is possible to the effective toughness improving piling robotic arm and wearability, makes gained
To product have more excellent quality, proportioning of the present invention is scientific and reasonable, and preparation method simply has
Effect, is suitable for large-scale promotion in the industry.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close embodiments of the invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Describe.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiment 1:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:3.5,
Cr:18%, Si:0.7%, Mo:0.8%, Mn:0.8%, Ni:0.2%, V:0.03%,
S:0.018%, P:0.03%, Zn:0.02%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550 DEG C, add and account for described qualified molten iron
The silicon of quality 0.1%, puts into once at interval of 15min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1420 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 20min, pour in tundish by protection sleeve pipe, then pour into the speed of 0.6L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 2h in heating furnace, wherein
The temperature of heating furnace is 1000 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 20MPa
1h, is then cooled to room temperature with the rate of cooling of 50 DEG C/h.
Embodiment 2:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:3.6%,
Cr:16%, Si:0.7%, Mo:0.8%, Mn:0.8%, Ni:0.12%, V:0.02%,
S:0.02%, P:0.03%, Zn:0.02%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1600 DEG C, add and account for described qualified molten iron
The silicon of quality 0.2%, puts into once at interval of 16min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1440 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 25min, pour in tundish by protection sleeve pipe, then pour into the speed of 0.8L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 3h in heating furnace, wherein
The temperature of heating furnace is 1200 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 25MPa
1h, is then cooled to room temperature with the rate of cooling of 50 DEG C/h.
Embodiment 3:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:3.5%,
Cr:18%, Si:0.7%, Mo:0.8%, Mn:0.9%, Ni:0.3%, V:0.03%,
S:0.018%, P:0.04%, Zn:0.04%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550 DEG C, add and account for described qualified molten iron
The silicon of quality 0.3%, puts into once at interval of 20min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1460 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 25min, pour in tundish by protection sleeve pipe, then pour into the speed of 0.8L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 3h in heating furnace, wherein
The temperature of heating furnace is 1200 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 25MPa
2h, is then cooled to room temperature with the rate of cooling of 70 DEG C/h.
Embodiment 4:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:3.8%,
Cr:18%, Si:0.7%, Mo:0.8%, Mn:1.0%, Ni:0.2%, V:0.03%,
S:0.02%, P:0.03%, Zn:0.02%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550 DEG C, add and account for described qualified molten iron
The silicon of quality 0.3%, puts into once at interval of 16min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1460 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 30min, pour in tundish by protection sleeve pipe, then pour into the speed of 1.0L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 3h in heating furnace, wherein
The temperature of heating furnace is 1200 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 30MPa
2h, is then cooled to room temperature with the rate of cooling of 70 DEG C/h.
Embodiment 5:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:3.8%,
Cr:18%, Si:0.7%, Mo:0.8%, Mn:0.8%, Ni:0.2%, V:0.03%,
S:0.018%, P:0.03%, Zn:0.02%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1600 DEG C, add and account for described qualified molten iron
The silicon of quality 0.3%, puts into once at interval of 17min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1460 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 28min, pour in tundish by protection sleeve pipe, then pour into the speed of 0.8L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 3h in heating furnace, wherein
The temperature of heating furnace is 1200 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 30MPa
2h, is then cooled to room temperature with the rate of cooling of 70 DEG C/h.
Embodiment 6:
A kind of high capacity wear-resistant piling robotic arm, is made up of following percentage by weight: C:4.0%,
Cr:18%, Si:0.7%, Mo:0.8%, Mn:0.8%, Ni:0.2%, V:0.02%,
S:0.018%, P:0.03%, Zn:0.02%.
Preparation method comprises the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550 DEG C, add and account for described qualified molten iron
The silicon of quality 0.3%, puts into once at interval of 17min, puts in three times, then carries out the most de-
Oxygen, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1420 DEG C, adds the mixing of vanadium carbide granule and stir
Mix 20min, pour in tundish by protection sleeve pipe, then pour into the speed of 1.0L/min
Mould is poured into a mould, and obtains the wear-resistant piling of high capacity after being poured after molten iron cooled and solidified
Robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 3h in heating furnace, wherein
The temperature of heating furnace is 1200 DEG C, then de-scaling in the high pressure descaling machine that hydraulic pressure is 30MPa
2h, is then cooled to room temperature with the rate of cooling of 60 DEG C/h.
Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, those of ordinary skill in the art
It is understood that the technical scheme described in foregoing embodiments still can be modified by it,
Or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, not
The essence making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a high capacity wear-resistant piling robotic arm, it is characterised in that by following weight percent
Than composition: C:3.0-4.5%, Cr:12-25%, Si:0.6-0.9%, Mo:0.4-1.3%,
Mn:0.4-1.4%, Ni:0.2-0.8%, V:0.01-0.06%, S:0.02-0.08%, P:
0.01-0.06%, Zn:0.01-0.06%.
2. high capacity wear-resistant piling robotic arm as claimed in claim 1, it is characterised in that
It is made up of following percentage by weight: C:3.5-4.0%, Cr:16-20%, Si:0.7-0.85%,
Mo:0.8-1.0%, Mn:0.6-1.2%, Ni:0.1-0.4%, V:0.02-0.05%, S:
0.018-0.025%, P:0.03-0.04%, Zn:0.02-0.04%.
3. high capacity wear-resistant piling robotic arm as claimed in claim 2, it is characterised in that
It is made up of following percentage by weight: C:3.5%, Cr:16%, Si:0.75%, Mo:1.0%,
Mn:0.8%, Ni:0.2%, V:0.03%, S:0.019%, P:0.03%, Zn:0.02%.
4. the preparation side of the wear-resistant piling robotic arm of the high capacity as described in claim 1-3
Method, it is characterised in that comprise the following steps:
(1) weigh raw material steel scrap, the pig iron the most by weight percentage, be then placed in induction furnace
Melt and carry out pre-deoxidation operation, being subsequently added into ferrochrome, ferromanganese and ferrosilicon, treating that raw material is the most molten
Solve and obtained molten iron；
(2) take molten iron sample and carry out content analysis, according to analysis result described molten iron adjusted to
The requirement of qualified molten iron, is subsequently adding limestone；
(3) then qualified molten iron temperature is brought up to 1550-1600 DEG C, addition silicon, every
Put into once every 15-20min, put in three times, then carry out final deoxidizing, take off Slag treatment；
(4), when the molten iron temperature of pending mistake is down to 1400-1460 DEG C, vanadium carbide granule is added
Mix and blend 20-30min, pours in tundish, then with 0.6-1.0L/min by protection sleeve pipe
Speed pour mould into and pour into a mould, after molten iron cooled and solidified, obtain high capacity after being poured
Wear-resistant piling robotic arm；
(5) finally wear-resistant for high capacity piling robotic arm is put into insulation 2-3h in heating furnace, its
The temperature of middle heating furnace is 1000-1200 DEG C, then dephosphorization 1-2h in high pressure dephosphorization agent, cooling
To room temperature.
5. the preparation method of high capacity wear-resistant piling robotic arm as claimed in claim 4, its
Being characterised by, the siliceous amount added in described step (3) accounts for described qualified molten steel quality
0.1-0.3%.
6. the preparation method of high capacity wear-resistant piling robotic arm as claimed in claim 4, its
Being characterised by, the speed of the described cooling in step (5) is 50-70 DEG C/h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142747A (en) * | 2019-06-18 | 2019-08-20 | 温州中壹技术研究院有限公司 | A kind of high load is wear-resistant robotic arm and preparation method |
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| SU1355639A1 (en) * | 1986-08-12 | 1987-11-30 | Производственное Объединение "Гомсельмаш" | Wear-resistant cast iron |
| CN102330016A (en) * | 2011-09-16 | 2012-01-25 | 昆明市宜良化工设备铸造厂 | Hypoeutectic high-chromium white cast iron and preparation method thereof |
| CN104131214A (en) * | 2013-05-02 | 2014-11-05 | 襄阳通威机械有限公司 | Improved wear-resistant cast iron material-blending technology |
| CN105296889A (en) * | 2015-11-03 | 2016-02-03 | 合肥海源机械有限公司 | Manufacturing method of automobile speed changing box alloy gear shaft |
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| JPS5665963A (en) * | 1979-10-30 | 1981-06-04 | Hitachi Metals Ltd | Nodular graphite cast iron and its manufacture |
| SU1355639A1 (en) * | 1986-08-12 | 1987-11-30 | Производственное Объединение "Гомсельмаш" | Wear-resistant cast iron |
| CN102330016A (en) * | 2011-09-16 | 2012-01-25 | 昆明市宜良化工设备铸造厂 | Hypoeutectic high-chromium white cast iron and preparation method thereof |
| CN104131214A (en) * | 2013-05-02 | 2014-11-05 | 襄阳通威机械有限公司 | Improved wear-resistant cast iron material-blending technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110142747A (en) * | 2019-06-18 | 2019-08-20 | 温州中壹技术研究院有限公司 | A kind of high load is wear-resistant robotic arm and preparation method |
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