CN103659188A - Machining process of valve body of single-base adjusting valve - Google Patents
Machining process of valve body of single-base adjusting valve Download PDFInfo
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- CN103659188A CN103659188A CN201310682760.0A CN201310682760A CN103659188A CN 103659188 A CN103659188 A CN 103659188A CN 201310682760 A CN201310682760 A CN 201310682760A CN 103659188 A CN103659188 A CN 103659188A
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- chamfering
- endoporus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
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Abstract
The invention discloses a machining process of a valve body of a single-base adjusting valve. The machining process includes the following steps of casting, heat processing, surface processing, first turning, second turning, third turning, fourth turning, plier machining, detecting, mark printing, applying rust-proof oil onto a machined face, and storing in a warehouse. According to the machining process, the high-precision valve body of the adjusting valve can be obtained, due to the fact that the two ends of the valve body of the adjusting valve are machined respectively, service life of the valve body of the adjusting valve is greatly prolonged, and reliability of the single-base adjusting valve is improved.
Description
Technical field
The invention belongs to control valve technical field, specifically, relate in particular to a kind of single-seat adjusting valve valve body processing technology.
Background technology
Single-seat adjusting valve is equipped with by regulation valve body the industry spot execution instrument that different YEs forms, it accepts 4-20mA or the pulse signal of adjuster output, carry out closed-loop control, realization is to flow, pressure, temperature, the isoparametric automatic control of liquid level, and can select intelligent electric executer, realize Digital Transmission with DCS, PLC etc., form more intelligent control system.The supply voltage of electric control valve has two kinds of 220V and 380V, the discharge characteristic of electric control valve have equal percentage, linearity, fast etc. three kinds.
Single-seat adjusting valve divides single seat diaphragm valve and single seat piston type regulating valve, it is to take compressed air as power source, take diaphragm type or piston type cylinder as actuator, and remove to drive valve by means of annexes such as electropneumatic valve positioner, converter, magnetic valve, guarantor position valves, realize switching value or proportion expression and regulate, the control signal that receives industrial automation control system completes the various technological parameters such as the flow of adjustable pipe track media, pressure, temperature.The feature of pneumatic control valve controls simply exactly, react fast and essential safety, do not need to take in addition explosion precaution again.The cost of pneumatic control valve is also low with respect to electric control valve, and in fields such as chemical industry, petrochemical industry, pneumatic control valve has the incomparable advantage of electric control valve.
Control valve valve body is a vitals of single-seat adjusting valve, so the crudy of control valve valve body is on service life of single-seat adjusting valve etc. all having larger impact, so design a kind of technique that can promoting or transferring joint valve body crudy, necessitates.
Summary of the invention
The object of the invention is to provide a kind of single-seat adjusting valve valve body processing technology that can improve control valve valve body high life.
For achieving the above object, the invention provides a kind of single-seat adjusting valve valve body processing technology, it is characterized in that comprising the steps:
Step 1, casting: the hot investment casting of molten metal water is obtained to foundry goods;
Step 2, heat treatment: the foundry goods that step 1 is obtained carries out stress relief annealing processing;
Step 3, surface treatment: the product that step 2 is obtained carries out sand removal, blasting treatment;
Step 4, Vehicle Processing for the first time: the product that step 3 is obtained adopts three-jaw folder flange excircle, proofreaies and correct endoporus, is first car inner bore chamfering, gets on the bus stifled, and rolling center holds out against, and is finally rough turn cylindrical, made allowance 1mm;
Step 5, Vehicle Processing for the second time: the product that step 4 is obtained adopts three-jaw to press from both sides turning, proofreaies and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 6, Vehicle Processing for the third time: to the finished cylindrical of step 5, adopt three-jaw to clamp, proofread and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 7, the 4th Vehicle Processing: the product that step 6 is obtained lengthens four paws folder flange both ends of the surface and two sides, proofread and correct angle square, the firstth, face work, guarantee valve seat size and chamfering, the secondth, rough turn endoporus, made allowance 1mm, the 3rd is rough threading path, made allowance 1mm, the 4th is rough turn endoporus, made allowance 1mm, the 5th is finish turning endoporus, made allowance 1mm, the 6th is that rough turn endoporus is to size, the 7th is finish turning screw thread path, chamfering is to size, the 8th is cutting thread, the 9th is that finish turning endoporus is to size, the tenth is that finish turning endoporus guarantees size, the 11 is chamfering, deburring,
Step 8, pincers processing: the product upper table pressing plate that step 7 is obtained compresses, the firstth, draw screw, center line and the position line, the secondth, bore thread Pilot hole, the 3rd is chamfering, tapping, the 4th is to draw two flange holes, center line and the position line, the 5th is to bore two flange holes, and the 6th is chamfering, deburring;
Step 9, check: with 1.5 times of nominal pressures, carry out pre-packer permeability test, continue not leak for 10 minutes;
Each position building blocks are cleaned and dried up to step 10, franking, polishing then;
Step 11, machined surface are coated with antirust oil, then warehouse-in.
The present invention adopts above step to carry out, and can access the control valve valve body that precision is high, because two end faces of control valve valve body are processed respectively, thus the service life of greatly having improved control valve valve body, thus the reliability of flat single-seat adjusting valve increased.
The invention has the beneficial effects as follows: can access the control valve valve body that precision is high, because two ends of control valve valve body are processed respectively, thus the service life of greatly having improved control valve valve body, thus the reliability of flat single-seat adjusting valve increased.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
A kind of single-seat adjusting valve valve body processing technology as shown in Figure 1, is characterized in that comprising the steps:
Step 1, casting: the hot investment casting of molten metal water is obtained to foundry goods;
Step 2, heat treatment: the foundry goods that step 1 is obtained carries out stress relief annealing processing;
Step 3, surface treatment: the product that step 2 is obtained carries out sand removal, blasting treatment;
Step 4, Vehicle Processing for the first time: the product that step 3 is obtained adopts three-jaw folder flange excircle, proofreaies and correct endoporus, is first car inner bore chamfering, gets on the bus stifled, and rolling center holds out against, and is finally rough turn cylindrical, made allowance 1mm;
Step 5, Vehicle Processing for the second time: the product that step 4 is obtained adopts three-jaw to press from both sides turning, proofreaies and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 6, Vehicle Processing for the third time: to the finished cylindrical of step 5, adopt three-jaw to clamp, proofread and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 7, the 4th Vehicle Processing: the product that step 6 is obtained lengthens four paws folder flange both ends of the surface and two sides, proofread and correct angle square, the firstth, face work, guarantee valve seat size and chamfering, the secondth, rough turn endoporus, made allowance 1mm, the 3rd is rough threading path, made allowance 1mm, the 4th is rough turn endoporus, made allowance 1mm, the 5th is finish turning endoporus, made allowance 1mm, the 6th is that rough turn endoporus is to size, the 7th is finish turning screw thread path, chamfering is to size, the 8th is cutting thread, the 9th is that finish turning endoporus is to size, the tenth is that finish turning endoporus guarantees size, the 11 is chamfering, deburring,
Step 8, pincers processing: the product upper table pressing plate that step 7 is obtained compresses, the firstth, draw screw, center line and the position line, the secondth, bore thread Pilot hole, the 3rd is chamfering, tapping, the 4th is to draw two flange holes, center line and the position line, the 5th is to bore two flange holes, and the 6th is chamfering, deburring;
Step 9, check: with 1.5 times of nominal pressures, carry out pre-packer permeability test, continue not leak for 10 minutes;
Each position building blocks are cleaned and dried up to step 10, franking, polishing then;
Step 11, machined surface are coated with antirust oil, then warehouse-in.
Claims (1)
1. a single-seat adjusting valve valve body processing technology, is characterized in that comprising the steps:
Step 1, casting: the hot investment casting of molten metal water is obtained to foundry goods;
Step 2, heat treatment: the foundry goods that step 1 is obtained carries out stress relief annealing processing;
Step 3, surface treatment: the product that step 2 is obtained carries out sand removal, blasting treatment;
Step 4, Vehicle Processing for the first time: the product that step 3 is obtained adopts three-jaw folder flange excircle, proofreaies and correct endoporus, is first car inner bore chamfering, gets on the bus stifled, and rolling center holds out against, and is finally rough turn cylindrical, made allowance 1mm;
Step 5, Vehicle Processing for the second time: the product that step 4 is obtained adopts three-jaw to press from both sides turning, proofreaies and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 6, Vehicle Processing for the third time: to the finished cylindrical of step 5, adopt three-jaw to clamp, proofread and correct endoporus, the firstth, face work, inner bore chamfering, guarantees apart from centre distance, the secondth, get on the bus stifled, with rolling center, hold out against, the 3rd is rough turn cylindrical, the 4th be turning and end face to size, the 5th is car flange side, guarantee that flange thickness is to size, the 6th is fine turning outer circle, and the 7th is chamfering, deburring;
Step 7, the 4th Vehicle Processing: the product that step 6 is obtained lengthens four paws folder flange both ends of the surface and two sides, proofread and correct angle square, the firstth, face work, guarantee valve seat size and chamfering, the secondth, rough turn endoporus, made allowance 1mm, the 3rd is rough threading path, made allowance 1mm, the 4th is rough turn endoporus, made allowance 1mm, the 5th is finish turning endoporus, made allowance 1mm, the 6th is that rough turn endoporus is to size, the 7th is finish turning screw thread path, chamfering is to size, the 8th is cutting thread, the 9th is that finish turning endoporus is to size, the tenth is that finish turning endoporus guarantees size, the 11 is chamfering, deburring,
Step 8, pincers processing: the product upper table pressing plate that step 7 is obtained compresses, the firstth, draw screw, center line and the position line, the secondth, bore thread Pilot hole, the 3rd is chamfering, tapping, the 4th is to draw two flange holes, center line and the position line, the 5th is to bore two flange holes, and the 6th is chamfering, deburring;
Step 9, check: with 1.5 times of nominal pressures, carry out pre-packer permeability test, continue not leak for 10 minutes;
Each position building blocks are cleaned and dried up to step 10, franking, polishing then;
Step 11, machined surface are coated with antirust oil, then warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310682760.0A CN103659188A (en) | 2013-12-13 | 2013-12-13 | Machining process of valve body of single-base adjusting valve |
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| CN201310682760.0A CN103659188A (en) | 2013-12-13 | 2013-12-13 | Machining process of valve body of single-base adjusting valve |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104002103A (en) * | 2014-05-29 | 2014-08-27 | 贵州遵义驰宇精密机电制造有限公司 | Machining method of valve body of double-valve core electromagnetic pilot valve |
| CN104096852A (en) * | 2014-06-23 | 2014-10-15 | 上海交通大学 | Optimization method for servo valve core working edge small burr online removal process system |
| CN104384834A (en) * | 2014-09-24 | 2015-03-04 | 扬州尼尔液压科技有限公司 | Machining process of power unit valve block |
| CN104439957A (en) * | 2014-11-19 | 2015-03-25 | 江苏恒义汽配制造有限公司 | Automobile steering pin machining method |
| CN104588993A (en) * | 2014-12-12 | 2015-05-06 | 龙工（上海）精工液压有限公司 | Valve body machining method |
| CN104972272A (en) * | 2015-05-26 | 2015-10-14 | 扬中市第一蝶阀厂有限公司 | Leakage-proof valve production process |
| CN105414905A (en) * | 2015-12-30 | 2016-03-23 | 鞠小平 | Machining method of valve body for intelligent electrically-driven gearbox hydraulic control system |
| CN105538072A (en) * | 2015-12-02 | 2016-05-04 | 无锡威孚马山油泵油嘴有限公司 | Double-end-surface polishing process of oil discharge valve base |
| CN106826108A (en) * | 2016-12-26 | 2017-06-13 | 常熟市惠机电有限公司 | A kind of preparation method of high temp.-resistant valve connector |
| CN107971697A (en) * | 2017-10-13 | 2018-05-01 | 浙江昊龙电气有限公司 | A kind of production method of valve class workpiece |
| CN109531076A (en) * | 2018-12-29 | 2019-03-29 | 苏州莱易精密机电有限公司 | A kind of gas valve threads hole machined improvement technique |
| CN109807557A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchor cup casting technique |
| CN111230070A (en) * | 2020-01-18 | 2020-06-05 | 四川永森航空材料科技有限公司 | Casting process of rail transit derailing valve |
| CN112427882A (en) * | 2019-08-26 | 2021-03-02 | 广东盛田科技有限公司 | Stress-relieving treatment process for metal workpiece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104002103A (en) * | 2014-05-29 | 2014-08-27 | 贵州遵义驰宇精密机电制造有限公司 | Machining method of valve body of double-valve core electromagnetic pilot valve |
| CN104002103B (en) * | 2014-05-29 | 2016-08-31 | 贵州遵义驰宇精密机电制造有限公司 | A kind of processing method of double spool electromagnetic pilot valve body |
| CN104096852A (en) * | 2014-06-23 | 2014-10-15 | 上海交通大学 | Optimization method for servo valve core working edge small burr online removal process system |
| CN104096852B (en) * | 2014-06-23 | 2016-01-13 | 上海交通大学 | The small burr of valve core of servo valve working edge removes the optimization method of process system online |
| CN104384834A (en) * | 2014-09-24 | 2015-03-04 | 扬州尼尔液压科技有限公司 | Machining process of power unit valve block |
| CN104439957B (en) * | 2014-11-19 | 2016-08-24 | 江苏恒义汽配制造有限公司 | A kind of processing method of automobile steering pins |
| CN104439957A (en) * | 2014-11-19 | 2015-03-25 | 江苏恒义汽配制造有限公司 | Automobile steering pin machining method |
| CN104588993A (en) * | 2014-12-12 | 2015-05-06 | 龙工（上海）精工液压有限公司 | Valve body machining method |
| CN104588993B (en) * | 2014-12-12 | 2017-05-17 | 龙工（上海）精工液压有限公司 | Valve body machining method |
| CN104972272A (en) * | 2015-05-26 | 2015-10-14 | 扬中市第一蝶阀厂有限公司 | Leakage-proof valve production process |
| CN105538072A (en) * | 2015-12-02 | 2016-05-04 | 无锡威孚马山油泵油嘴有限公司 | Double-end-surface polishing process of oil discharge valve base |
| CN105414905A (en) * | 2015-12-30 | 2016-03-23 | 鞠小平 | Machining method of valve body for intelligent electrically-driven gearbox hydraulic control system |
| CN105414905B (en) * | 2015-12-30 | 2018-05-18 | 鞠小平 | The processing method that a kind of intelligence electricity drives gear box hydraulic control system valve body |
| CN106826108A (en) * | 2016-12-26 | 2017-06-13 | 常熟市惠机电有限公司 | A kind of preparation method of high temp.-resistant valve connector |
| WO2018119629A1 (en) * | 2016-12-26 | 2018-07-05 | 常熟市惠一机电有限公司 | Manufacturing method for high temperature-resistant valve connector |
| CN107971697A (en) * | 2017-10-13 | 2018-05-01 | 浙江昊龙电气有限公司 | A kind of production method of valve class workpiece |
| CN107971697B (en) * | 2017-10-13 | 2019-10-11 | 浙江昊龙电气有限公司 | A kind of production method of valve class workpiece |
| CN109531076A (en) * | 2018-12-29 | 2019-03-29 | 苏州莱易精密机电有限公司 | A kind of gas valve threads hole machined improvement technique |
| CN109807557A (en) * | 2019-01-28 | 2019-05-28 | 杭州海伦铸钢有限公司 | A kind of anchor cup casting technique |
| CN112427882A (en) * | 2019-08-26 | 2021-03-02 | 广东盛田科技有限公司 | Stress-relieving treatment process for metal workpiece |
| CN111230070A (en) * | 2020-01-18 | 2020-06-05 | 四川永森航空材料科技有限公司 | Casting process of rail transit derailing valve |
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Application publication date: 20140326 |
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