CN102274901B - Cold drawing broaching process for stainless steel tube/plate - Google Patents
Cold drawing broaching process for stainless steel tube/plate Download PDFInfo
- Publication number
- CN102274901B CN102274901B CN201110100448.7A CN201110100448A CN102274901B CN 102274901 B CN102274901 B CN 102274901B CN 201110100448 A CN201110100448 A CN 201110100448A CN 102274901 B CN102274901 B CN 102274901B
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- steel tube
- pulling eye
- plate
- rough
- 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.)
- Active
Links
Images
Abstract
The invention relates to a coil, in particular to a cold drawing broaching process for a stainless steel tube/plate. The process comprises the following steps of: drilling; milling a groove; rough broaching: performing primary broaching on the milled groove with a rough broaching die and smearing grease at a position contacted with the die; polishing; finish broaching: performing secondary broaching with a finish broaching die and smearing lubricating oil or grease or a lubricating agent at a position contacted with the die; and polishing. The inner orifice of a broached hole flanging of the stainless steel tube/plate obtained with the process is free from crack defect and has small position deflection; the height of the hole flanging is up to 8-9 millimeters in minimum; in particular, a stainless steel tube/plate of which the thickness is equal to or more than 3.5 millimeters can be processed; a welding line between the hole flanging and a butt joint branch pipe is firm, reliable, corrosion-resistant and durable, and has reliable quality and long service life; materials are selected reasonably, and the cost is low; and the process is simple and the ordering period is short.
Description
Technical field
The present invention relates to coil pipe, be specifically related to a kind of stainless steel tube, plate cold-drawn pulling eye technique.
Background technology
In Copper Ores copper smelting technique, matte is blown to obtain blister copper be a committed step, wherein coil pipe one of the equipment that is absolutely necessary.Due to special working environment, this technological requirement coil pipe can high temperature resistant, high pressure resistant, anticorrosion, and pipe hole flanging height need reach 7.5mm or higher, to overcome impact and the shake in system running.But in actual production, hole flanging quality is difficult to control, and reaches the Stainless Steel Coil of this hole flanging index in defects such as its hole flanging position easily crack.In addition owing to can not heating in hole flanging manufacture process, otherwise can cause the part material modification of hole flanging place so that have influence on coil pipe and arm between bonding strength.This coil pipe is mainly the Stainless Steel Coil of external import at present, and its price is high, and the order cycle time is long.
In prior art, the thickness of stainless steel tube tube wall or corrosion resistant plate is larger, and its hole flanging difficulty of processing is higher.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of stainless steel tube, plate cold-drawn pulling eye technique, at stainless steel tube, plate processing hole flanging, is used for docking arm, and its hole flanging height can touch the mark and be not easy to crack at hole flanging position.
For solving the problems of the technologies described above, the technical solution used in the present invention is: stainless steel tube, plate cold-drawn pulling eye technique, and its difference is: its technique comprises the following steps:
Step 1), boring: the position boring of docking arm on stainless steel tube, plate;
Step 2), groove milling: according to the hole flanging size obtaining after cold-drawn pulling eye PROCESS FOR TREATMENT and height groove milling, it is benchmark that boring is take in groove milling, and the internal diameter of groove milling Length Ratio docking arm is smaller, and deviation is in 1mm;
Step 3), rough: with rough mould, groove milling is carried out to pulling eye for the first time, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact;
Step 4), polishing: the rough hole of the stainless steel tube of the rough processing of step 3) is polished smooth;
Step 5), finish draw: with the rough hole flanging of finish draw mould air exercise ground smooth, carry out pulling eye for the second time, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact;
Step 6), polishing: the finish draw hole that step 5) finish draw was processed polishes smooth.
By above scheme, the lubricating oil of applying in described step 3) or step 5) is punching drawing oil.
By above scheme, the lubricating grease of applying in described step 3) or step 5) is high temperature-resistant grease.
By above scheme, the lubricant of applying in described step 3) or step 5) is selected from molybdenum bisuphide solid additive or graphite solid lubricant.
By above scheme, described stainless steel tube material is selected from austenitic stainless steel.
By above scheme, described stainless steel tube material is 316L austenitic stainless steel.
By above scheme, described stainless steel tube tube wall or the thickness of corrosion resistant plate are 1-12 mm.
By above scheme, described stainless steel tube tube wall or the thickness of corrosion resistant plate are 3.5-12 mm.
Beneficial effect of the present invention: the drawing hole flanging internal orifice of the stainless steel tube that the present invention makes, plate is little through carrying out flaw detection flawless defect and hole location deviation, an interface tube hole flanging height maximum for φ 89 * 6 mm stainless steel tubes can reach 8-9mm, an interface tube hole flanging height maximum for φ 150 * 8mm stainless steel tube can reach 12mm, and its height marker of hole flanging of corrosion resistant plate processing more easily reaches; And owing to there is no application of heat means in cold-drawn pulling eye technical process, thereby kept the original premium properties of hole flanging place stainless steel material; Especially can process 3.5 mm and be greater than stainless steel tube, the plate of 3.5 mm thickness, and hole flanging is solid and reliable with the weld seam docking between arm, anticorrosion durable, reliable in quality, the life-span is long; Material selection is reasonable, and cost is low; Technique is simple, and the customized cycle is short.
Accompanying drawing explanation
Fig. 1 is the Stainless Steel Coil structural representation of embodiment 1;
Fig. 2 is the rough hole of the stainless steel tube of embodiment 1 schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the invention.
embodiment 1:as Figure 1-Figure 2, stainless steel tube cold-drawn pulling eye technique, its difference is: its technique comprises the following steps:
Step 1), boring: the position boring of docking arm on stainless steel tube; Concrete, the position of docking arm on stainless steel tube, the line of crossing, and carry out sample punching at the center of cross hairs, bore circular hole;
Step 2), groove milling: according to the size of the hole flanging 1-1 obtaining after cold-drawn pulling eye PROCESS FOR TREATMENT and height groove milling; Concrete, take cross hairs center as benchmark, along stainless steel tube axis direction milling ellipse groove;
Step 3), rough: groove milling is carried out to pulling eye for the first time with rough mould, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact, lubricating oil generally selects punching stretch, glossy consistent lubricant generally selects high temperature-resistant grease, and lubricant is generally selected from molybdenum bisuphide solid additive or graphite solid lubricant.
Concrete, referring to Fig. 2, stainless steel tube 1 is fixed on the fixture 4 of rough mould, drawing head 3 to be aimed to groove milling and carry out pulling eye for the first time, and smear lubricating grease at the position of rough mould contact, described lubricating grease is punching drawing oil;
Step 4), polishing: the rough hole flanging of the stainless steel tube of the rough processing of step 3) is polished smooth;
Step 5), finish draw: with the rough hole flanging of finish draw mould air exercise ground smooth, carry out pulling eye for the second time, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact, lubricating oil generally selects punching stretch, glossy consistent lubricant generally selects high temperature-resistant grease, and lubricant is generally selected from molybdenum bisuphide solid additive or graphite solid lubricant.
Step 6), polishing: the finish draw hole of the stainless steel tube of the rough processing of step 5) is polished smooth.
Concrete, described stainless steel tube material is selected from a kind of in austenitic stainless steel.Concrete austenitic stainless steel material is as 1Cr18Ni9Ti, 0Cr18Ni9(304), 0Cr18Ni11Ti(321), 00Cr19Ni10(304L), 0Cr17Ni12Mo2Ti(316), 00Cr17Ni14Mo2(316L), 00Cr19Ni13Mo3(317L), 00Cr20Ni25Mo4.5Cu(904L), 00Cr27Ni31Mo4Cu.
Preferably, described stainless steel tube material is 316L austenitic stainless steel.
Step 2) concrete steps are: take and hole as benchmark groove milling, the internal diameter of groove milling Length Ratio docking arm is smaller, and deviation is in 1mm.
The experiment proved that, the arm interface hole flanging 1-1 of φ 89 * 6 mm Austenitic stainless steel pipes highly maximum can reach 8-9mm, and the arm interface hole flanging 1-1 of φ 150 * 8mm Austenitic stainless steel pipe highly maximum can reach 12mm.
For strengthening finished product rate, control, after rough, finish draw step, can add inspection step, test sieve is selected the stainless steel tube that the defects such as hole flanging internal orifice flawless and hole location deviation are not more than 1.5mm.
Referring to Fig. 1, the arm interface branch pipe welded directly to the run pipe 2 at the stainless steel tube 1 of above-mentioned making, obtains Stainless Steel Coil.
embodiment 2:change the processing object stainless steel tube in embodiment 1 into stainless steel materials, its technique is substantially the same manner as Example 1, and under only rough mould, finish draw mould being converted according to Technology Need, this type of conversion belongs to general knowledge as well known to those skilled in the art.
Concrete, the corrosion resistant plate material in embodiment 2 is selected from a kind of in austenitic stainless steel.Concrete austenitic stainless steel material is as 1Cr18Ni9Ti, 0Cr18Ni9(304), 0Cr18Ni11Ti(321), 00Cr19Ni10(304L), 0Cr17Ni12Mo2Ti(316), 00Cr17Ni14Mo2(316L), 00Cr19Ni13Mo3(317L), 00Cr20Ni25Mo4.5Cu(904L), 00Cr27Ni31Mo4Cu.Preferably, described corrosion resistant plate material is 316L austenitic stainless steel.
In embodiment 1 and embodiment 2, the application stainless steel tube tube wall of processes of the present invention and the thickness of corrosion resistant plate can reach 1-12 mm; Preferably, the thickness of stainless steel tube tube wall or corrosion resistant plate can reach 3.5-12 mm.
The stainless steel of concrete processing dimension and pipe is only preferred embodiment above; not the present invention is done to any type of restriction; any simple modification, equivalent variations and modification that every foundation technological essence of the present invention is done above embodiment, all still belong in the protection domain of the claims in the present invention.
Claims (8)
1. stainless steel tube, plate cold-drawn pulling eye technique, is characterized in that: its technique comprises the following steps:
Step 1), boring: the position boring of docking arm on stainless steel tube, plate;
Step 2), groove milling: according to the hole flanging size obtaining after cold-drawn pulling eye PROCESS FOR TREATMENT and height groove milling, it is benchmark that boring is take in groove milling, and the internal diameter of groove milling Length Ratio docking arm is smaller, and deviation is in 1mm;
Step 3), rough: with rough mould, groove milling is carried out to pulling eye for the first time, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact;
Step 4), polishing: the rough hole of the stainless steel tube of the rough processing of step 3) is polished smooth;
Step 5), finish draw: with the rough hole flanging of finish draw mould air exercise ground smooth, carry out pulling eye for the second time, and the position coating lubricating oil or lubricating grease or the lubricant that at mould, contact;
Step 6), polishing: the finish draw hole that step 5) finish draw was processed polishes smooth.
2. stainless steel tube according to claim 1, plate cold-drawn pulling eye technique, is characterized in that: the lubricating oil of applying in described step 3) or step 5) is punching drawing oil.
3. stainless steel tube according to claim 1, plate cold-drawn pulling eye technique, is characterized in that: the lubricating grease of applying in described step 3) or step 5) is high temperature-resistant grease.
4. stainless steel tube according to claim 1, plate cold-drawn pulling eye technique, is characterized in that: the lubricant of applying in described step 3) or step 5) is selected from molybdenum bisuphide solid additive or graphite solid lubricant.
5. stainless steel tube according to claim 1, plate cold-drawn pulling eye technique, is characterized in that: described stainless steel tube material is selected from austenitic stainless steel.
6. stainless steel tube according to claim 5, plate cold-drawn pulling eye technique, is characterized in that: described stainless steel tube material is 316L austenitic stainless steel.
7. stainless steel tube according to claim 1, plate cold-drawn pulling eye technique, is characterized in that: described stainless steel tube tube wall or the thickness of corrosion resistant plate are 1-12 mm.
8. stainless steel tube according to claim 7, plate cold-drawn pulling eye technique, is characterized in that: described stainless steel tube tube wall or the thickness of corrosion resistant plate are 3.5-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110100448.7A CN102274901B (en) | 2011-04-21 | 2011-04-21 | Cold drawing broaching process for stainless steel tube/plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110100448.7A CN102274901B (en) | 2011-04-21 | 2011-04-21 | Cold drawing broaching process for stainless steel tube/plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102274901A CN102274901A (en) | 2011-12-14 |
| CN102274901B true CN102274901B (en) | 2014-02-26 |
Family
ID=45100810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110100448.7A Active CN102274901B (en) | 2011-04-21 | 2011-04-21 | Cold drawing broaching process for stainless steel tube/plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102274901B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989901A (en) * | 2015-05-27 | 2015-10-21 | 深圳市纯水一号水处理科技有限公司 | High pressure tube having hole and processing method thereof |
| CN106439334A (en) * | 2016-08-20 | 2017-02-22 | 嘉兴市杰希希管道工程有限公司 | Low-roughness stainless steel tee joint and machining process and application thereof |
| CN111715726A (en) * | 2019-03-18 | 2020-09-29 | 佛山市科鸿美威电器有限公司 | Equal-diameter three-way hole drawing and poking process and implementation method thereof |
| CN110883127A (en) * | 2019-12-05 | 2020-03-17 | 昆山新莱洁净应用材料股份有限公司 | U-shaped bent pipe machining process |
| CN112475814A (en) * | 2020-11-27 | 2021-03-12 | 中建三局第一建设工程有限责任公司 | Semi-automatic metal pipeline pre-branch construction method, device and application |
| CN112646653B (en) * | 2020-12-24 | 2023-09-12 | 合肥工业大学 | Composite lubricating grease for cold-drawn steel tube die and application thereof |
| CN113523716B (en) * | 2021-06-22 | 2022-06-17 | 浙江中财管道科技股份有限公司 | Cold rolling device and cold rolling welding method for main pipe and branch pipe of stainless steel water separator |
| CN114799752B (en) * | 2022-04-26 | 2023-04-28 | 核工业西南物理研究院 | Manufacturing method of water collecting pipe in vacuum chamber of tokamak device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543856A (en) * | 2008-12-22 | 2009-09-30 | 张士军 | Novel broaching device |
| CN101658889A (en) * | 2008-08-26 | 2010-03-03 | 上海德真工贸有限公司 | Process for machining connecting bracket of automotive front end framework |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5752531A (en) * | 1980-09-16 | 1982-03-29 | Mori Zenmai Kogyo Kk | Manufacture of v-pulley and its device |
-
2011
- 2011-04-21 CN CN201110100448.7A patent/CN102274901B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658889A (en) * | 2008-08-26 | 2010-03-03 | 上海德真工贸有限公司 | Process for machining connecting bracket of automotive front end framework |
| CN101543856A (en) * | 2008-12-22 | 2009-09-30 | 张士军 | Novel broaching device |
Non-Patent Citations (1)
| Title |
|---|
| JP昭57-52531A 1982.03.29 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102274901A (en) | 2011-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102274901B (en) | Cold drawing broaching process for stainless steel tube/plate | |
| CN102527767B (en) | Cold drawing welded tube manufacture process for high-accuracy hydraulic oil cylinder | |
| CN103556079B (en) | The high strength marine riser supervisor that a kind of anti-fatigue performance is excellent and manufacture method thereof | |
| CN103556054B (en) | A kind of high strength medium caliber heavy wall Submarine linepipe and manufacture method thereof | |
| CN103350320B (en) | A kind of production method of corrosion-resistant dual metal clad tube | |
| CN101581200A (en) | 120 steel grade drill pipe and manufacturing process method thereof | |
| CN105705261A (en) | Process for producing a multilayer pipe by expansion and multilayer pipe produced by said process | |
| CN103331327B (en) | A kind of composite bimetal pipe welding method of girth weld | |
| CN102465290B (en) | Manufacturing method of double-layer metal composite pipe | |
| CN102605235B (en) | High-collapse resistance hot stretch-reducing electric welding (SEW) petroleum casing pipe and manufacturing method thereof | |
| CN102729009A (en) | Process for manufacturing metallurgical composite pipe elbow | |
| CN102000906A (en) | Longitudinal submerged arc welding production line for stainless steel tubes and carbon steel tubes | |
| CN203560610U (en) | Mechanical composite pipe with overlay-welded corrosion-resistant alloy layer on pipe end | |
| CN105382499A (en) | Precise stainless steel bright annealing pipe production technology | |
| CN105945525A (en) | Welding forming method of highly corrosion-resistant stainless steel composite tube | |
| CN101862764A (en) | Method for manufacturing large-diameter thick-wall seamless steel pipe | |
| CN102407426A (en) | Method for manufacturing low alloy steel tube of low-temperature pressure vessel | |
| CN100408905C (en) | Manufacturing method of seamless steel pipe for pressure pipeline | |
| CN102407425A (en) | Method for manufacturing ventilated steel tube made of hull steel | |
| CN104213118A (en) | Manufacturing method of lining for galvanizing | |
| CN201969996U (en) | Longitudinal submerged-arc welding production line for stainless-steel pipe and carbon steel pipe | |
| CN105695714A (en) | Processing technology for preparing thermal insulated tubing from structural alloy steel | |
| CN104324972B (en) | A kind of production method of heavy caliber superhigh intensity steel seamless steel tube | |
| CN110904384A (en) | Q345NS spiral submerged arc welded pipe for resisting sulfuric acid dew point corrosion and manufacturing process thereof | |
| CN106636976A (en) | Manufacturing method of additive on surface of piston rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 430415 No. 10 Dongfeng Road, Yangluo street, Xinzhou District, Hubei, Wuhan Applicant after: WUHAN FULI MACHINERY MANUFACTURING CO.,LTD. Address before: 430415 No. 10 Dongfeng Road, Yangluo Economic Development Zone, Xinzhou District, Hubei, Wuhan Applicant before: Wuhan Fuli Machinery Manufacturing Co.,Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: WUHAN FULI MACHINERY MANUFACTURING CO.,LTD. TO: WUHAN FULI MACHINERY TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |