CN106756516B - A kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw - Google Patents

A kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw Download PDF

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Publication number
CN106756516B
CN106756516B CN201710067904.XA CN201710067904A CN106756516B CN 106756516 B CN106756516 B CN 106756516B CN 201710067904 A CN201710067904 A CN 201710067904A CN 106756516 B CN106756516 B CN 106756516B
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mechanical arm
clamping screw
alloy
arm clamping
steel casting
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CN106756516A (en
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程华
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Hexian Longsheng Precision Machinery Co Ltd
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Hexian Longsheng Precision Machinery Co Ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Clamps And Clips (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw, and the weight percent of each element is in raw material：C：0.21 0.29%, Si：0.09 0.11%, Mn：1.4 2.1%, Ni：0.11 0.13%, Cr, 0.12 0.17%, V：0.11 0.13%, Al：0.11 0.17%, P：0.02 0.04%, Mg：0.04 0.05%, Cu：0.12 0.16%, remaining is Fe.Pass through the addition of each element in raw material so that the structural strength of mechanical arm clamping screw is further promoted, while the casting technique used can be further generalized use in practical production.

Description

A kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw
Technical field
The present invention relates to mechanical arm accessory alloy fields, and in particular to a kind of alloy suitable for mechanical arm clamping screw is cast Part and its casting technique.
Background technology
With present industrialization, information-based development, the use of various mechanical equipments is also more and more extensive.But in entirety For, the use of various mechanical equipments is also irregular.
Particularly in present machinery manufacturing industry, due to most of product in actual use, the structure of itself is strong Degree directly affects its service life used, traditional plant produced machining large-sized mechanical equipment be need to use mechanical arm etc. it is inhuman The device of work, but practical in use, since the connection between most of mechanical arm is fixed by bolt, generally Bolt when fixing, should consider the structural strength of clamping screw, consider the toughness of clamping screw again.Not so its structural strength It is difficult to meet practical production needs, more inconvenient property is brought to the actual production of factory.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of alloy-steel casting suitable for mechanical arm clamping screw and its Casting technique so that the structural strength of mechanical arm clamping screw is further promoted.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of alloy-steel casting suitable for mechanical arm clamping screw, the weight percent of each element is in raw material：C：0.21- 0.29%th, Si：0.09-0.11%, Mn：1.4-2.1%, Ni：0.11-0.13%, Cr, 0.12-0.17%, V：0.11- 0.13%th, Al：0.11-0.17%, P：0.02-0.04%, Mg：0.04-0.05%, Cu：0.12-0.16%, remaining is Fe.
Preferably, the weight percent of each element is in raw material：C：0.23-0.27%, Si：0.1-0.11%, Mn：1.8- 2.1%th, Ni：0.12-0.13%, Cr, 0.13-0.15%, V：0.12-0.13%, Al：0.11-0.15%, P：0.02- 0.03%th, Mg：0.04-0.05%, Cu：0.12-0.14%, remaining is Fe.
Preferably, the weight percent of each element is in raw material：C：0.26%th, Si：0.1%th, Mn：1.9%th, Ni： 0.12%th, Cr, 0.14%, V：0.12%th, Al：0.14%th, P：0.02%th, Mg：0.04%th, Cu：0.13%, remaining is Fe.
The casting technique of the alloy-steel casting suitable for mechanical arm clamping screw, operating procedure are as follows：
1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
2) temperature in the raw material reacting furnace of step 1) is increased 30-50 DEG C, continues addition containing in original by raw material ratio The iron ore of element controls melting time 1-2 hour；
3) step 2) melt is imported in mold, cast, until being cooled to room temperature, molded；
4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then near room temperature；So 870-960 DEG C of heating is being carried out afterwards, 0.5-1 hours are being kept the temperature, finally to room temperature.
Preferably, the temperature controlled in the step 1) is 1510-1530 DEG C.
Preferably, oil cooling is used in the step 4).
Preferably, it during the die sinking used in the step 3), is first sprayed with cold water in die surface, then carry out die sinking behaviour Make.
The present invention provides a kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw, by raw material Carbon, the silicon of addition can increase the yield point and tensile strength of clamping screw, enhance the corrosion resistance of lining plate structure.Also change simultaneously The hot-working character of internal structure has been apt to it, has controlled the content of phosphorus, element sulphur, has promoted plasticity.Convenient for the qualitative of clamping screw Model.
Entire technological design is simple, simple operation so that and each element can be effectively fused together by the proportioning of raw material, Reach certain effect, enhance alloy wear-resisting performance and structural strength, use can be further generalized in practical production.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the implementation of the present invention Example, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is the present invention Part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
Embodiment 1：
The present embodiment provides a kind of alloy-steel casting suitable for mechanical arm clamping screw, the weight percent of each element in raw material Than for：C：0.26%th, Si：0.1%th, Mn：1.9%th, Ni：0.12%th, Cr, 0.14%, V：0.12%th, Al：0.14%th, P： 0.02%th, Mg：0.04%th, Cu：0.13%, remaining is Fe.
Suitable for the casting technique of the alloy-steel casting of mechanical arm clamping screw, operating procedure is as follows：
1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
2) temperature in the raw material reacting furnace of step 1) is increased 30-50 DEG C, continues addition containing in original by raw material ratio The iron ore of element controls melting time 1-2 hour；
3) step 2) melt is imported in mold, cast, until being cooled to room temperature, molded；
4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then near room temperature；So 870-960 DEG C of heating is being carried out afterwards, 0.5-1 hours are being kept the temperature, finally to room temperature.
The temperature controlled in step 1) is 1510-1530 DEG C.
Oil cooling is used in step 4).
During the die sinking used in step 3), first sprayed with cold water in die surface, then carry out mold-break operations.
Embodiment 2：
The present embodiment provides a kind of alloy-steel casting suitable for mechanical arm clamping screw, the weight percent of each element in raw material Than for：C：0.21%th, Si：0.11%th, Mn：2.1%th, Ni：0.11%th, Cr, 0.17%, V：0.11%th, Al：0.11%th, P： 0.04%th, Mg：0.05%th, Cu：0.16%, remaining is Fe.
Suitable for the casting technique of the alloy-steel casting of mechanical arm clamping screw, operating procedure is as follows：
1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
2) temperature in the raw material reacting furnace of step 1) is increased 30-50 DEG C, continues addition containing in original by raw material ratio The iron ore of element controls melting time 1-2 hour；
3) step 2) melt is imported in mold, cast, until being cooled to room temperature, molded；
4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then near room temperature；So 870-960 DEG C of heating is being carried out afterwards, 0.5-1 hours are being kept the temperature, finally to room temperature.
The temperature controlled in step 1) is 1510-1530 DEG C.
Oil cooling is used in step 4).
During the die sinking used in step 3), first sprayed with cold water in die surface, then carry out mold-break operations.
Embodiment 3：
The present embodiment provides a kind of alloy-steel casting suitable for mechanical arm clamping screw, the weight percent of each element in raw material Than for：C：0.29%th, Si：0.09%th, Mn：1.4%th, Ni：0.13%th, Cr, 0.12%, V：0.13%th, Al：0.17%th, P： 0.02%th, Mg：0.04%th, Cu：0.12%, remaining is Fe.
Suitable for the casting technique of the alloy-steel casting of mechanical arm clamping screw, operating procedure is as follows：
1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
2) temperature in the raw material reacting furnace of step 1) is increased 30-50 DEG C, continues addition containing in original by raw material ratio The iron ore of element controls melting time 1-2 hour；
3) step 2) melt is imported in mold, cast, until being cooled to room temperature, molded；
4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then near room temperature；So 870-960 DEG C of heating is being carried out afterwards, 0.5-1 hours are being kept the temperature, finally to room temperature.
The temperature controlled in step 1) is 1510-1530 DEG C.
During the die sinking used in step 3), first sprayed with cold water in die surface, then carry out mold-break operations.
Embodiment 4：
The present embodiment provides a kind of alloy-steel casting suitable for mechanical arm clamping screw, the weight percent of each element in raw material Than for：C：0.23%th, Si：0.1%th, Mn：1.8%th, Ni：0.12%th, Cr, 0.13%, V：0.13%th, Al：0.15%th, P： 0.03%th, Mg：0.04%th, Cu：0.14%, remaining is Fe.
Suitable for the casting technique of the alloy-steel casting of mechanical arm clamping screw, operating procedure is as follows：
1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
2) temperature in the raw material reacting furnace of step 1) is increased 30-50 DEG C, continues addition containing in original by raw material ratio The iron ore of element controls melting time 1-2 hour；
3) step 2) melt is imported in mold, cast, until being cooled to room temperature, molded；
4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then near room temperature；So 870-960 DEG C of heating is being carried out afterwards, 0.5-1 hours are being kept the temperature, finally to room temperature.
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 is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation Technical solution recorded in example modifies or carries out equivalent replacement to which part technical characteristic；And these modification or It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.

Claims (6)

  1. A kind of 1. alloy-steel casting suitable for mechanical arm clamping screw, which is characterized in that the weight percent of each element in raw material For：C：0.21-0.29%, Si：0.09-0.11%, Mn：1.4-2.1%, Ni：0.11-0.13%, Cr, 0.12-0.17%, V： 0.11-0.13%, Al：0.11-0.17%, P：0.02-0.04%, Mg：0.04-0.05%, Cu：0.12-0.16%, remaining is Fe, suitable for the casting technique of the alloy-steel casting of the mechanical arm clamping screw, operating procedure is as follows：
    1) scrap iron, ore raw materials are subjected to melting, reach molten condition, and control time 0.5-1 hours；
    2) material temperature of step 1) is increased 30-50 DEG C, by raw material than continuing iron ore of the addition containing above-mentioned element, control Melting time 1-2 hour；
    3) melt is imported in mold, cast, until being cooled to room temperature, molded；
    4) by the molding model heating treatment of step 3) to 770-850 DEG C, 1-2 hours then are kept the temperature, then be down to room temperature；Then again 870-960 DEG C of heating is carried out, 0.5-1 hours is kept the temperature, is finally cooled to room temperature.
  2. 2. it is suitable for the alloy-steel casting of mechanical arm clamping screw as described in claim 1, which is characterized in that each element in raw material Weight percent be：C：0.23-0.27%, Si：0.1-0.11%, Mn：1.8-2.1%, Ni：0.12-0.13%, Cr, 0.13-0.15%, V：0.12-0.13%, Al：0.11-0.15%, P：0.02-0.03%, Mg：0.04-0.05%, Cu： 0.12-0.14%, remaining is Fe.
  3. 3. it is suitable for the alloy-steel casting of mechanical arm clamping screw as claimed in claim 2, which is characterized in that each element in raw material Weight percent be：C：0.26%th, Si：0.1%th, Mn：1.9%th, Ni：0.12%th, Cr, 0.14%, V：0.12%th, Al： 0.14%th, P：0.02%th, Mg：0.04%th, Cu：0.13%, remaining is Fe.
  4. 4. it is suitable for the alloy-steel casting of mechanical arm clamping screw as described in claim 1, which is characterized in that the step 1) The temperature of middle control is 1510-1530 DEG C.
  5. 5. it is suitable for the alloy-steel casting of mechanical arm clamping screw as described in claim 1, which is characterized in that the step 4) In cool down twice use oil cooling.
  6. 6. it is suitable for the alloy-steel casting of mechanical arm clamping screw as described in claim 1, which is characterized in that the step 3) During the die sinking of middle use, first sprayed with cold water in die surface, then carry out mold-break operations.
CN201710067904.XA 2017-02-07 2017-02-07 A kind of alloy-steel casting and its casting technique suitable for mechanical arm clamping screw Active CN106756516B (en)

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JP2968844B2 (en) * 1995-01-13 1999-11-02 日立金属株式会社 High hardness martensitic stainless steel with excellent pitting resistance
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