CN108571629A - A kind of manufacturing process of novel flange - Google Patents

A kind of manufacturing process of novel flange Download PDF

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Publication number
CN108571629A
CN108571629A CN201810187523.XA CN201810187523A CN108571629A CN 108571629 A CN108571629 A CN 108571629A CN 201810187523 A CN201810187523 A CN 201810187523A CN 108571629 A CN108571629 A CN 108571629A
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CN
China
Prior art keywords
forging
flange
temperature
steel plate
time
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
CN201810187523.XA
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Chinese (zh)
Inventor
张小林
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.)
Anhui Tongling Fenglin Flange Manufacturing Co Ltd
Original Assignee
Anhui Tongling Fenglin Flange Manufacturing 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 Anhui Tongling Fenglin Flange Manufacturing Co Ltd filed Critical Anhui Tongling Fenglin Flange Manufacturing Co Ltd
Priority to CN201810187523.XA priority Critical patent/CN108571629A/en
Publication of CN108571629A publication Critical patent/CN108571629A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention discloses a kind of manufacturing process of novel flange, a kind of manufacturing process of novel flange includes the following steps:(1)Sorting:It is spare to choose the steel plate that thickness is 60 100mm;(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, forging is divided into three phases, first stage forging temperature is 880 900 DEG C, forging time is 15 18s, and second stage forging temperature is 750 780 DEG C, and forging time is 18 20s, phase III forging temperature is 910 925 DEG C, forging time is 13 15s, and forging is cooled down after completing, and cooling temperature is 25 27 DEG C.The present invention uses traditional flange production technology, such traditional processing technology facilitates the large batch of production of flange, and carrying out the forging of three stages for steel plate raw material can make steel plate have certain toughness, and this conducting forging processing can prevent flange processing and manufacturing from completing during crackle appearance, and finished product can reinforce the intensity of flange to a certain extent during forging.

Description

A kind of manufacturing process of novel flange
Technical field
The present invention relates to flange manufacturing technology field, specially a kind of manufacturing process of novel flange.
Background technology
Flange(Flange)It is called ring flange or flange.Flange is zero for making pipe and pipe and being connected with each other with valve Part is connected to pipe end.Perforation on flange, bolt make two flanges be close to.With liner sealing between flange.Flange point is threadedly coupled (Silk connects)Flange and welded flange and cutting ferrule flange.
Flange because what is used is all steel plate hard material, may make method during processing and manufacturing in the fabrication process Orchid cracks and influences the use of flange, for this purpose, it is proposed that a kind of manufacturing process of novel flange.
Invention content
The purpose of the present invention is to provide a kind of manufacturing process of novel flange, are asked with solve to propose in background technology Topic.
To achieve the above object, the present invention provides the following technical solutions:A kind of manufacturing process of novel flange, described one kind The manufacturing process of novel flange includes the following steps:
(1)Sorting:It is spare to choose the steel plate that thickness is 60-100mm;
(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, and forging is divided into three phases, first stage forging temperature It is 880-900 DEG C, forging time 15-18s, second stage forging temperature is 750-780 DEG C, forging time 18-20s, the Three stage forging temperatures are 910-925 DEG C, forging time 13-15s, and forging is cooled down after completing, cooling temperature 25- 27℃;
(3)It rolls:By step(2)Progress flange rolls among the steel plate that forging is completed is delivered to flange bushing machine, and it is one to roll The flange of set pattern lattice;
(4)Welding:By step(3)The flange for rolling completion is welded, and when welding, is opened V-type cut reverse side gouge, is dug to just Face is welded to connect position;
(5)Smoothing:Soldered flange is smoothed, extruding smoothing is carried out by extruder, then utilize sander into Row flange periphery deburring is handled;
(6)Finished product forges:By step(5)Flange after smoothing carries out conducting forging processing, and forging temperature is 850-880 DEG C, forging Time is 2-3min, is then placed in the environment that temperature is 35-45 DEG C and carries out quenching treatment, processing time 1-2min;
(7)Lathe process:The flange that finished product forging is completed is subjected to lathe process, by endoporus according to certain dimensioned, so Flange is subjected to end hole afterwards, drilling hole amount is 4-12, and novel flange is manufactured and completed after drilling is completed.
The present invention uses traditional flange production technology, such traditional processing technology to facilitate the large batch of production of flange, And carrying out the forging of three stages for steel plate raw material can make steel plate have certain toughness, and this conducting forging processing can prevent method The appearance of crackle during orchid processing and manufacturing is completed, and finished product can reinforce the strong of flange to a certain extent during forging Degree.
Specific implementation mode
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one:
A kind of manufacturing process of novel flange, a kind of manufacturing process of novel flange include the following steps:
(1)Sorting:It is spare to choose the steel plate that thickness is 60mm;
(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, and forging is divided into three phases, first stage forging temperature It it is 880 DEG C, forging time 15s, second stage forging temperature is 750 DEG C, forging time 18s, phase III forging temperature It it is 910 DEG C, forging time 13s, forging is cooled down after completing, and cooling temperature is 25 DEG C;
(3)It rolls:By step(2)Progress flange rolls among the steel plate that forging is completed is delivered to flange bushing machine, and it is one to roll The flange of set pattern lattice;
(4)Welding:By step(3)The flange for rolling completion is welded, and when welding, is opened V-type cut reverse side gouge, is dug to just Face is welded to connect position;
(5)Smoothing:Soldered flange is smoothed, extruding smoothing is carried out by extruder, then utilize sander into Row flange periphery deburring is handled;
(6)Finished product forges:By step(5)Flange after smoothing carries out conducting forging processing, and forging temperature is 850 DEG C, forging time For 2min, it is then placed in the environment that temperature is 35 DEG C and carries out quenching treatment, processing time 1min;
(7)Lathe process:The flange that finished product forging is completed is subjected to lathe process, by endoporus according to certain dimensioned, so Flange is subjected to end hole afterwards, drilling hole amount is 4, and novel flange is manufactured and completed after drilling is completed.
Embodiment two:
A kind of manufacturing process of novel flange, a kind of manufacturing process of novel flange include the following steps:
(1)Sorting:It is spare to choose the steel plate that thickness is 100mm;
(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, and forging is divided into three phases, first stage forging temperature It it is 900 DEG C, forging time 18s, second stage forging temperature is 780 DEG C, forging time 20s, phase III forging temperature It it is 925 DEG C, forging time 15s, forging is cooled down after completing, and cooling temperature is 27 DEG C;
(3)It rolls:By step(2)Progress flange rolls among the steel plate that forging is completed is delivered to flange bushing machine, and it is one to roll The flange of set pattern lattice;
(4)Welding:By step(3)The flange for rolling completion is welded, and when welding, is opened V-type cut reverse side gouge, is dug to just Face is welded to connect position;
(5)Smoothing:Soldered flange is smoothed, extruding smoothing is carried out by extruder, then utilize sander into Row flange periphery deburring is handled;
(6)Finished product forges:By step(5)Flange after smoothing carries out conducting forging processing, and forging temperature is 880 DEG C, forging time For 3min, it is then placed in the environment that temperature is 45 DEG C and carries out quenching treatment, processing time 2min;
(7)Lathe process:The flange that finished product forging is completed is subjected to lathe process, by endoporus according to certain dimensioned, so Flange is subjected to end hole afterwards, drilling hole amount is 12, and novel flange is manufactured and completed after drilling is completed.
Embodiment three:
A kind of manufacturing process of novel flange, a kind of manufacturing process of novel flange include the following steps:
(1)Sorting:It is spare to choose the steel plate that thickness is 80mm;
(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, and forging is divided into three phases, first stage forging temperature It it is 890 DEG C, forging time 17s, second stage forging temperature is 765 DEG C, forging time 19s, phase III forging temperature It it is 918 DEG C, forging time 14s, forging is cooled down after completing, and cooling temperature is 26 DEG C;
(3)It rolls:By step(2)Progress flange rolls among the steel plate that forging is completed is delivered to flange bushing machine, and it is one to roll The flange of set pattern lattice;
(4)Welding:By step(3)The flange for rolling completion is welded, and when welding, is opened V-type cut reverse side gouge, is dug to just Face is welded to connect position;
(5)Smoothing:Soldered flange is smoothed, extruding smoothing is carried out by extruder, then utilize sander into Row flange periphery deburring is handled;
(6)Finished product forges:By step(5)Flange after smoothing carries out conducting forging processing, and forging temperature is 865 DEG C, forging time For 2.5min, it is then placed in the environment that temperature is 40 DEG C and carries out quenching treatment, processing time 1.5min;
(7)Lathe process:The flange that finished product forging is completed is subjected to lathe process, by endoporus according to certain dimensioned, so Flange is subjected to end hole afterwards, drilling hole amount is 8, and novel flange is manufactured and completed after drilling is completed.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (1)

1. a kind of manufacturing process of novel flange, it is characterised in that:A kind of manufacturing process of novel flange includes following step Suddenly:
(1)Sorting:It is spare to choose the steel plate that thickness is 60-100mm;
(2)Forging:By step(1)The steel plate of selection carries out conducting forging processing, and forging is divided into three phases, first stage forging temperature It is 880-900 DEG C, forging time 15-18s, second stage forging temperature is 750-780 DEG C, forging time 18-20s, the Three stage forging temperatures are 910-925 DEG C, forging time 13-15s, and forging is cooled down after completing, cooling temperature 25- 27℃;
(3)It rolls:By step(2)Progress flange rolls among the steel plate that forging is completed is delivered to flange bushing machine, and it is one to roll The flange of set pattern lattice;
(4)Welding:By step(3)The flange for rolling completion is welded, and when welding, is opened V-type cut reverse side gouge, is dug to just Face is welded to connect position;
(5)Smoothing:Soldered flange is smoothed, extruding smoothing is carried out by extruder, then utilize sander into Row flange periphery deburring is handled;
(6)Finished product forges:By step(5)Flange after smoothing carries out conducting forging processing, and forging temperature is 850-880 DEG C, forging Time is 2-3min, is then placed in the environment that temperature is 35-45 DEG C and carries out quenching treatment, processing time 1-2min;
(7)Lathe process:The flange that finished product forging is completed is subjected to lathe process, by endoporus according to certain dimensioned, so Flange is subjected to end hole afterwards, drilling hole amount is 4-12, and novel flange is manufactured and completed after drilling is completed.
CN201810187523.XA 2018-03-07 2018-03-07 A kind of manufacturing process of novel flange Pending CN108571629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810187523.XA CN108571629A (en) 2018-03-07 2018-03-07 A kind of manufacturing process of novel flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810187523.XA CN108571629A (en) 2018-03-07 2018-03-07 A kind of manufacturing process of novel flange

Publications (1)

Publication Number Publication Date
CN108571629A true CN108571629A (en) 2018-09-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111376119A (en) * 2020-04-27 2020-07-07 赵大为 Stainless steel flange batch processing method
CN112518244A (en) * 2020-11-23 2021-03-19 河北鑫泰重工有限公司 Manufacturing process of novel flange
CN112792511A (en) * 2021-01-11 2021-05-14 洪岸彬 Production and machining process of high-precision flange plate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528384A (en) * 2010-12-23 2012-07-04 浙江旺灵法兰管件有限公司 Large-caliber flange rolling process
CN102642120A (en) * 2012-05-02 2012-08-22 兰溪市同力机械有限公司 Manufacturing process of dining-table support supporting arm
CN102699637A (en) * 2012-06-26 2012-10-03 江苏金源锻造股份有限公司 Process for forging main shaft flange of wind driven generator
CN103286521A (en) * 2012-02-27 2013-09-11 山西天宝风电法兰有限公司 Forging technology of oval wind-power door frame flange
CN106475503A (en) * 2016-10-21 2017-03-08 宝鸡市永盛泰钛业有限公司 A kind of manufacture method of titanium forged flange threeway
CN106624625A (en) * 2016-11-18 2017-05-10 江苏力野精工科技有限公司 Flange plate processing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528384A (en) * 2010-12-23 2012-07-04 浙江旺灵法兰管件有限公司 Large-caliber flange rolling process
CN103286521A (en) * 2012-02-27 2013-09-11 山西天宝风电法兰有限公司 Forging technology of oval wind-power door frame flange
CN102642120A (en) * 2012-05-02 2012-08-22 兰溪市同力机械有限公司 Manufacturing process of dining-table support supporting arm
CN102699637A (en) * 2012-06-26 2012-10-03 江苏金源锻造股份有限公司 Process for forging main shaft flange of wind driven generator
CN106475503A (en) * 2016-10-21 2017-03-08 宝鸡市永盛泰钛业有限公司 A kind of manufacture method of titanium forged flange threeway
CN106624625A (en) * 2016-11-18 2017-05-10 江苏力野精工科技有限公司 Flange plate processing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111376119A (en) * 2020-04-27 2020-07-07 赵大为 Stainless steel flange batch processing method
CN111376119B (en) * 2020-04-27 2021-05-07 浙江大隆特材有限公司 Stainless steel flange batch processing method
CN112518244A (en) * 2020-11-23 2021-03-19 河北鑫泰重工有限公司 Manufacturing process of novel flange
CN112792511A (en) * 2021-01-11 2021-05-14 洪岸彬 Production and machining process of high-precision flange plate
CN112792511B (en) * 2021-01-11 2022-04-08 山西天宝集团有限公司 Production and machining process of high-precision flange plate

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Application publication date: 20180925