CN104209705A - Manufacturing process of screw - Google Patents

Manufacturing process of screw Download PDF

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Publication number
CN104209705A
CN104209705A CN201410416693.2A CN201410416693A CN104209705A CN 104209705 A CN104209705 A CN 104209705A CN 201410416693 A CN201410416693 A CN 201410416693A CN 104209705 A CN104209705 A CN 104209705A
Authority
CN
China
Prior art keywords
screw
wire rod
keep
manufacture craft
wire
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
Application number
CN201410416693.2A
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Chinese (zh)
Inventor
金国洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI SECOND COMPONENT Co Ltd
Original Assignee
WUXI SECOND COMPONENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUXI SECOND COMPONENT Co Ltd filed Critical WUXI SECOND COMPONENT Co Ltd
Priority to CN201410416693.2A priority Critical patent/CN104209705A/en
Publication of CN104209705A publication Critical patent/CN104209705A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Metal Extraction Processes (AREA)

Abstract

The invention discloses a manufacturing process of a screw. The process comprises the following steps of (1) preparation of wires: using a stainless steel wire; (2) annealing; (3) acid pickling: putting the annealed wires in a hydrochloric acid solution with concentration of 20-25% to soak, cleaning by clean water, putting into a phosphate solution with concentration of 5-8% to soak, cleaning by clean water, and applying a proper amount of lubricating agent; (4) shaping: putting the acid pickled wires in a wire drawing machine, drawing to the required diameter, and performing cold upsetting for shaping; (5) thread grinding: fixing a thread plate, enabling a movable thread plate to drive the product to move, and forming the required threads by extrusion; (6) heat treatment. The manufacturing process has the advantages that the process is simple, a crystallizing structure is adjusted by annealing, the hardness is decreased, the processing property of the wire is improved, an oxidation film on the surface of the wire is removed by acid pickling, and the hardness of the screw is improved by heat treatment.

Description

A kind of manufacture craft of screw
Technical field
The present invention relates to a kind of manufacture craft of screw, belong to standard component processing technique field.
Background technology
Screw is industrial necessity indispensable in daily life: as camera, glasses, clock and watch, electronics etc. use Micro screw; The general screw of TV, electric product, musical instrument, furniture etc.; Large-scale screw, nut is then used as engineering, building, bridge; Traffic tool, aircraft, electric car, automobile etc. then sized by screw using.Screw industrially bears vital task, as long as the earth also exists industry, then the function of screw is forever important.
Current screw intensity is often difficult to ensure, the dangerous phenomenons such as in use generation is sometimes turned around, the fracture of bar portion, very large so be necessary the screw manufacture craft providing a kind of high strength, high-quality to ensure to industrial production harm.
Summary of the invention
The present invention seeks to, be used for making up the deficiencies in the prior art, and a kind of manufacture craft of screw is provided.
To achieve these goals, technical scheme of the present invention is as follows:
A manufacture craft for screw, comprises following step:
(1) wire rod prepares: described wire rod is stainless steel material, and wherein in stainless steel, phosphorus content is less than 0.2%, and aluminum content is less than 0.02%, and copper content is less than 0.02%, and manganese content is 0.2-0.5%, and nickel content is 0.5-1.5%;
(2) anneal: be keep 60-100min under the condition of 300-350 DEG C in temperature by wire rod, naturally cool;
(3) pickling: the wire rod after annealing being placed in concentration is that the hydrochloric acid of 20-25% soaks 5-10min, and clear water is cleaned, then to be placed in concentration be that 5-8% phosphate solution soaks 5-10min, clear water is cleaned, and smears appropriate lubricant;
(4) shaping: the wire rod through overpickling to be placed in wire pulling machine and to be pulled to required diameter, cold-heading molding;
(5) grind tooth: fixed by one piece of dental lamina, another block movable teeth strip movable property product move, utilize extruding to form required screw thread;
(6) heat treatment: the screw after stone roller tooth is placed in stove keeps 120-150min under 200-230 DEG C of condition, then be warming up to 300-340 DEG C, keep 60-90min, oil cooling is to 200-230 DEG C, insulation 60-90min, then be warming up to 300-340 DEG C, keep 90-120 DEG C, be warming up to 540-580 DEG C again, keep 120-150min, fast cooling, to 300-340 DEG C, keeps 30-60min, air cooling, to normal temperature, can obtain screw.
The manufacture craft of described a kind of screw, described lubricant is soda soap.
The manufacture craft of described a kind of screw, carries out antirust treatment to screw surface after heat treatment.
According to the screw that the manufacture craft of described a kind of screw obtains.
Beneficial effect of the present invention is as follows:
Machining process of the present invention is simple, by annealing, have adjusted crystalline structure, reduces hardness, improve the processing characteristics of wire rod, by pickling, eliminate the oxide-film of wire surface, improve the hardness of screw by heat treatment.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1:
A manufacture craft for screw, comprises following step:
(1) wire rod prepares: described wire rod is stainless steel material, and wherein in stainless steel, phosphorus content is less than 0.2%, and aluminum content is less than 0.02%, and copper content is less than 0.02%, and manganese content is 0.5%, and nickel content is 0.5%;
(2) anneal: be keep 100min under the condition of 350 DEG C in temperature by wire rod, naturally cool;
(3) pickling: the wire rod after annealing is placed in concentration be 25% hydrochloric acid soak 10min, clear water is cleaned, then to be placed in concentration be that 5% phosphate solution soaks 10min, and clear water is cleaned, and smears appropriate lubricant;
(4) shaping: the wire rod through overpickling to be placed in wire pulling machine and to be pulled to required diameter, cold-heading molding;
(5) grind tooth: fixed by one piece of dental lamina, another block movable teeth strip movable property product move, utilize extruding to form required screw thread;
(6) heat treatment: the screw after stone roller tooth is placed in stove keeps 150min under 230 DEG C of conditions, then be warming up to 340 DEG C, keep 90min, oil cooling to 230 DEG C, insulation 90min, then be warming up to 340 DEG C, keep 120 DEG C, be warming up to 580 DEG C again, keep 150min, fast cooling to 340 DEG C, keep 60min, air cooling, to normal temperature, can obtain screw.
Embodiment 2:
A manufacture craft for screw, comprises following step:
(1) wire rod prepares: described wire rod is stainless steel material, and wherein in stainless steel, phosphorus content is less than 0.2%, and aluminum content is less than 0.02%, and copper content is less than 0.02%, and manganese content is 0.5%, and nickel content is 1.5%;
(2) anneal: be keep 60min under the condition of 300 DEG C in temperature by wire rod, naturally cool;
(3) pickling: the wire rod after annealing is placed in concentration be 20% hydrochloric acid soak 5min, clear water is cleaned, then to be placed in concentration be that 8% phosphate solution soaks 5min, and clear water is cleaned, and smears appropriate soda soap;
(4) shaping: the wire rod through overpickling to be placed in wire pulling machine and to be pulled to required diameter, cold-heading molding;
(5) grind tooth: fixed by one piece of dental lamina, another block movable teeth strip movable property product move, utilize extruding to form required screw thread;
(6) heat treatment: the screw after stone roller tooth is placed in stove keeps 120min under 200 DEG C of conditions, then be warming up to 300 DEG C, keep 60min, oil cooling to 200 DEG C, insulation 60min, then be warming up to 300 DEG C, keep 90 DEG C, be warming up to 580 DEG C again, keep 120min, fast cooling to 340 DEG C, keep 30min, air cooling, to normal temperature, can obtain screw, carries out antirust treatment after heat treatment to screw surface.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof .

Claims (4)

1. a manufacture craft for screw, is characterized in that, comprises following step:
(1) wire rod prepares: described wire rod is stainless steel material, and wherein in stainless steel, phosphorus content is less than 0.2%, and aluminum content is less than 0.02%, and copper content is less than 0.02%, and manganese content is 0.2-0.5%, and nickel content is 0.5-1.5%;
(2) anneal: be keep 60-100min under the condition of 300-350 DEG C in temperature by wire rod, naturally cool;
(3) pickling: the wire rod after annealing being placed in concentration is that the hydrochloric acid of 20-25% soaks 5-10min, and clear water is cleaned, then to be placed in concentration be that 5-8% phosphate solution soaks 5-10min, clear water is cleaned, and smears appropriate lubricant;
(4) shaping: the wire rod through overpickling to be placed in wire pulling machine and to be pulled to required diameter, cold-heading molding;
(5) grind tooth: fixed by one piece of dental lamina, another block movable teeth strip movable property product move, utilize extruding to form required screw thread;
(6) heat treatment: the screw after stone roller tooth is placed in stove keeps 120-150min under 200-230 DEG C of condition, then be warming up to 300-340 DEG C, keep 60-90min, oil cooling is to 200-230 DEG C, insulation 60-90min, then be warming up to 300-340 DEG C, keep 90-120 DEG C, be warming up to 540-580 DEG C again, keep 120-150min, fast cooling, to 300-340 DEG C, keeps 30-60min, air cooling, to normal temperature, can obtain screw.
2. the manufacture craft of a kind of screw according to claim 1, is characterized in that, described lubricant is soda soap.
3. the manufacture craft of a kind of screw according to claim 1, is characterized in that, carries out antirust treatment after heat treatment to screw surface.
4. the screw that the manufacture craft of a kind of screw according to above arbitrary claim obtains.
CN201410416693.2A 2014-08-22 2014-08-22 Manufacturing process of screw Pending CN104209705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410416693.2A CN104209705A (en) 2014-08-22 2014-08-22 Manufacturing process of screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410416693.2A CN104209705A (en) 2014-08-22 2014-08-22 Manufacturing process of screw

Publications (1)

Publication Number Publication Date
CN104209705A true CN104209705A (en) 2014-12-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410416693.2A Pending CN104209705A (en) 2014-08-22 2014-08-22 Manufacturing process of screw

Country Status (1)

Country Link
CN (1) CN104209705A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270320A (en) * 2015-06-24 2017-01-04 铨益盛机械有限公司 The eccentric linkage of tooth roller
CN107557798A (en) * 2017-10-25 2018-01-09 苏州华丰不锈钢紧固件有限公司 A kind of fastener raw material acid cleaning process
CN107695631A (en) * 2017-10-25 2018-02-16 苏州华丰不锈钢紧固件有限公司 A kind of processing and forming technology of screw
CN108544186A (en) * 2018-03-28 2018-09-18 徐州东鑫铸造有限公司 A kind of screw production technology
CN109434382A (en) * 2018-11-13 2019-03-08 泰州市环星不锈钢有限公司 A kind of screw production technology
CN109623269A (en) * 2018-12-05 2019-04-16 中山市固耐特金属制品有限公司 A kind of quick-fried head of anti-CARBURIZING FURNACE FOR STAINLESS FASTENER promotes the processing technology of product precision
CN109821922A (en) * 2019-02-19 2019-05-31 海盐孙氏建新标准件制造有限公司 A kind of manufacturing process of screw wire rod
CN110129528A (en) * 2019-05-15 2019-08-16 安徽环新集团有限公司 Wire annealing pre-treatment production line and method for piston ring
CN110369953A (en) * 2019-07-19 2019-10-25 苏州中新精密工业有限公司 A kind of production technology of screw
CN111702433A (en) * 2020-06-29 2020-09-25 陕西奉航橡胶密封件有限责任公司 Backflow line extrusion forming cutter and backflow line cold extrusion forming process
CN113414308A (en) * 2021-07-28 2021-09-21 苏州海墨精密五金有限公司 Screw production method
CN115198180A (en) * 2022-06-27 2022-10-18 邢台新翔金属材料科技股份有限公司 Production method for refining wire by using socket wrench

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270320A (en) * 2015-06-24 2017-01-04 铨益盛机械有限公司 The eccentric linkage of tooth roller
CN107557798A (en) * 2017-10-25 2018-01-09 苏州华丰不锈钢紧固件有限公司 A kind of fastener raw material acid cleaning process
CN107695631A (en) * 2017-10-25 2018-02-16 苏州华丰不锈钢紧固件有限公司 A kind of processing and forming technology of screw
CN108544186A (en) * 2018-03-28 2018-09-18 徐州东鑫铸造有限公司 A kind of screw production technology
CN109434382A (en) * 2018-11-13 2019-03-08 泰州市环星不锈钢有限公司 A kind of screw production technology
CN109623269A (en) * 2018-12-05 2019-04-16 中山市固耐特金属制品有限公司 A kind of quick-fried head of anti-CARBURIZING FURNACE FOR STAINLESS FASTENER promotes the processing technology of product precision
CN109821922A (en) * 2019-02-19 2019-05-31 海盐孙氏建新标准件制造有限公司 A kind of manufacturing process of screw wire rod
CN110129528A (en) * 2019-05-15 2019-08-16 安徽环新集团有限公司 Wire annealing pre-treatment production line and method for piston ring
CN110369953A (en) * 2019-07-19 2019-10-25 苏州中新精密工业有限公司 A kind of production technology of screw
CN111702433A (en) * 2020-06-29 2020-09-25 陕西奉航橡胶密封件有限责任公司 Backflow line extrusion forming cutter and backflow line cold extrusion forming process
CN113414308A (en) * 2021-07-28 2021-09-21 苏州海墨精密五金有限公司 Screw production method
CN115198180A (en) * 2022-06-27 2022-10-18 邢台新翔金属材料科技股份有限公司 Production method for refining wire by using socket wrench
CN115198180B (en) * 2022-06-27 2023-09-22 邢台新翔金属材料科技股份有限公司 Production method of socket wrench refined wire rod

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Application publication date: 20141217

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