CN111726589B - Production and processing method of valve body - Google Patents
Production and processing method of valve body Download PDFInfo
- Publication number
- CN111726589B CN111726589B CN202010645068.0A CN202010645068A CN111726589B CN 111726589 B CN111726589 B CN 111726589B CN 202010645068 A CN202010645068 A CN 202010645068A CN 111726589 B CN111726589 B CN 111726589B
- Authority
- CN
- China
- Prior art keywords
- module
- valve body
- metal block
- metal
- valve
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/001—Texturing; Colouring; Generation of texture or colour
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
Abstract
The invention discloses a production and processing method of a valve body, which relates to the field of valve bodies and comprises the following steps: the method comprises the following steps: and putting the metal block into a heating furnace for heating, so that the metal block is burnt red and has deformation capacity, and then taking out the metal block. According to the invention, through the multiple groups of electronic eyes, the 2D image display module, the 3D model reconstruction module, the 3D image display module, the comparison module, the analysis module and the control module, the electronic eyes are used for replacing manual observation commands, the phenomenon that burning metal scraps splash to hurt observers when a hydraulic press presses and beats metal blocks is avoided, and through the 3D model reconstruction module, the comparison module and the analysis module, the shape simulation analysis is carried out on the pressed and beaten metal blocks through a machine, so that a more accurate control command is issued, and the follow-up need of repeated remediation caused by inaccurate visual observation is avoided.
Description
Technical Field
The invention relates to the field of valve bodies, in particular to a production and processing method of a valve body.
Background
The metal valve is made of different metal materials, and the valve is used in the industry that: the food biscuit industry, the instant noodle and rice flour industry, various quick-frozen food dewatering assembly line equipment and the glass product industry can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
When the existing large metal valve body is produced and processed, firstly, the metal block body is heated up firstly, so that the metal block body can be beaten by a hydraulic machine, the metal block body can be made to be approximately the same as a preset valve body conveniently, but when the hydraulic machine beats a burned metal block, the metal block needs to be observed at one side manually, and a beating command is transmitted to a worker controlling the hydraulic machine and a clamp, the metal block which is burned to be red can not only splash metal scraps at the outer side when being beaten, so that the observer can be injured by mistake, and the beating form of the metal block can be judged by mistake when the metal block is observed by naked eyes, so that a plurality of groups of remedial operations are needed at the later stage, and when the existing metal valve body is produced and processed, bubbles and air holes are easy to appear on a base of a cast valve body, and the rejection rate is about more than 40%.
Disclosure of Invention
The invention aims to: in order to solve the problems that when an existing large metal valve body is produced and machined, firstly, a metal block body is heated up, and can be beaten by a hydraulic machine, so that the metal block body can be made into a roughly-designed valve body conveniently, but when a red metal block is beaten by the hydraulic machine, the red metal block needs to be observed at one side manually, and a beating command is transmitted to a worker controlling the hydraulic machine and a clamp, metal scraps at the outer side of the red metal block can splash in beating, so that the observer can be injured by mistake, and the beating form of the metal block can be judged by naked eye observation, so that a plurality of groups of remedial operations are needed in the later period, and bubbles and air holes are easy to appear on a base of a cast valve body when the existing metal valve body is produced and machined, and the rejection rate is about more than 40%, the valve body production and machining method is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a production and processing method of a valve body comprises the following steps:
the method comprises the following steps: putting the metal block into a heating furnace for heating, so that the metal block is burned red and has deformation capacity, and then taking out the metal block;
step two: the metal block after being taken out is placed under a hydraulic press, the clamp clamps the metal block, the hydraulic press beats the metal block, an electronic eye replaces a human eye to observe the beated metal block, and the shape data of the metal block is transmitted to a controller;
step three: after the metal valve body is hammered and processed to have the shape characteristics of the metal valve body, casting a valve base, controlling the temperature and the gas forming amount to form the metal valve body, and increasing the height of a casting mold;
step four: after the valve base is produced, the valve body and the base are respectively processed and then welded, and the air tightness of the valve body and the base is tested repeatedly to enable the valve body and the base to reach the sealing standard.
Preferably, the heating furnace in the first step adopts a large intermediate frequency diathermy furnace, the temperature is raised from 700 ℃ to 1200 ℃ in a section-by-section heating mode, the temperature is controlled and kept for 2-3 hours, and then the heating furnace is taken out by using a control clamp.
Preferably, the hydraulic machine in the second step is a 500-800 ton hydraulic machine, the electronic eyes are arranged on the right opposite side, the upper side, the lower side and the rear side of the pressing platform, the number of the electronic eyes is multiple, and the output end of each electronic eye is electrically connected with the 2D image display module, the 3D model reconstruction module, the 3D graphic display module, the comparison module, the analysis module and the control module.
Preferably, the output ends of the 2D image display module, the 3D model reconstruction module, the 3D image display module, the comparison module, the analysis module and the control module are all connected with a screen wall, the screen wall is located a control personnel working room, the output end of the control module is electrically electrolyzed with a command sending module, and the output end of the command sending module is electrically connected with a control clamp and a hydraulic machine.
Preferably, the using steps of the 2D image display module, the 3D model reconstruction module, the 3D graphic display module, the comparison module, the analysis module and the control module include:
s1: the video images of the metal blocks pressed and beaten by the hydraulic press are recorded by the multiple groups of electronic eyes, shutter shooting is adopted, and the shapes of the metal blocks pressed at one time are displayed on a screen wall through a 2D display module for workers to observe;
s2: the 3D image reconstruction module is used for making a 3D image of the metal block through the 2D image and displaying the 3D image on a screen wall through the 3D image display module for a worker to observe, the 3D image after each beating is compared with the last beating form through the comparison module, the numerical difference of the 3D forms is calculated, analysis data is obtained through the analysis module, and the analysis data is provided for the control module and the operator;
s3: after the control module obtains the analysis data, a control command is sent to the control clamp and the hydraulic machine through the command sending module, so that the control command is matched with the existing shape of the metal block to beat, and the large shape deviation of the metal block caused by uneven force application is avoided;
s4: and obtaining the metal block with the shape of the metal valve body, and cooling the metal block after the metal block is static, so that the later-stage lathe welding operation is facilitated.
Preferably, in the third step, after the valve base is cast, the valve base is put into a kiln to be dried, the temperature is controlled to be 180-220 ℃ for heat preservation for 2-3 hours, the gas evolution is reduced, then the mud core except the core head is coated with the coating with poor air permeability, the hollow cast iron pipe with the air outlet hole is used for replacing the core bone of the mud core, the middle exhaust rod is changed into a heat preservation riser, the overflow of cold iron liquid is reduced, and the exhaust is increased.
Preferably, in the third step, the valve base can increase the height of the casting mold to increase the ferrostatic pressure so as to reduce the air holes, and can also increase the casting temperature and the casting speed so as to reduce the air holes.
Preferably, the subsequent production steps of the valve body in the fourth step comprise marking inspection, milling a joint surface, reserving a trimming and milling amount, drilling and reaming a joint hole, assembling a circle, returning a circle, lap welding, rough turning and finish turning of a surfacing part of a sealing surface, rough turning of other parts, flaw detection, lap welding cutting, surfacing welding, marking inspection again, trimming and milling the joint surface, assembling a circle, returning a circle and marking a positioning pin hole processing line, drawing a non-processing surface staggered tooth line, overlap welding a closed surface, co-drilling, hinging a closed surface positioning pin, assembling a pin, cutting and overlap welding, processing defects, relief grinding the non-processing surface staggered tooth, rough turning, rough boring, flaw detection, fine turning, fine grinding, fine boring, flaw detection, valve body hydrostatic test, assembling with a valve, fine boring the valve, shaft hole, sealing test, performing test movably, cleaning and closing the valve body, and cleaning and coating the valve body.
Preferably, the air tightness detection in the fourth step needs to be performed for multiple times, the detection environment needs to be changed, different detection environments are selected and changed according to different use scenes of the valve, and the requirement is that the air tightness needs to reach the national standard.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the multiple groups of electronic eyes, the 2D image display module, the 3D model reconstruction module, the 3D image display module, the comparison module, the analysis module and the control module, the electronic eyes are used for replacing manual observation commands, the phenomenon that burning metal scraps splash to hurt observers when a hydraulic press presses and beats metal blocks is avoided, and through the 3D model reconstruction module, the comparison module and the analysis module, the shape simulation analysis is carried out on the pressed and beaten metal blocks through a machine, so that a more accurate control command is issued, and the follow-up need of repeated remediation caused by inaccurate visual observation is avoided.
2. According to the invention, by means of controlling the temperature and time, improving the casting height, controlling the casting speed and the like when the valve body base is cast, air holes and air bubbles at the top of the valve body base are reduced, so that the rejection rate of the base is reduced, the rejection rate can be reduced to below 10%, and the problem of base invasive air holes is effectively solved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations and positional relationships shown, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Example 1
A production and processing method of a valve body comprises the following steps:
the method comprises the following steps: putting the metal block into a heating furnace for heating, so that the metal block is burned red and has deformation capacity, and then taking out the metal block;
step two: the metal block after being taken out is placed under a hydraulic press, the clamp clamps the metal block, the hydraulic press beats the metal block, an electronic eye replaces a human eye to observe the beated metal block, and the shape data of the metal block is transmitted to a controller;
step three: after the metal valve body is hammered and processed to have the shape characteristics of the metal valve body, casting a valve base, controlling the temperature and the gas forming amount to form the metal valve body, and increasing the height of a casting mold;
step four: after the valve base is produced, the valve body and the base are machined and then welded, and the air tightness of the valve body and the base is tested repeatedly to enable the valve body and the base to reach the sealing standard.
According to the invention, through the multiple groups of electronic eyes, the 2D image display module, the 3D model reconstruction module, the 3D image display module, the comparison module, the analysis module and the control module, the electronic eyes are used for replacing manual observation commands, the phenomenon that burning red metal scraps splash to hurt an observer when a hydraulic machine presses and beats metal blocks is avoided, and through the 3D model reconstruction module, the comparison module and the analysis module, the shape simulation analysis is carried out on the pressed and beaten metal blocks through a machine, so that a more accurate control command is issued, and the follow-up need of repeated remediation caused by inaccurate visual observation is avoided.
Example 2
The heating furnace in the first step can adopt a large intermediate frequency diathermy furnace, the temperature is raised from 700 ℃ to 1200 ℃ in a section-by-section heating mode, the temperature is controlled and kept for 2-3 hours, and then the heating furnace is taken out by utilizing a control clamp.
In the invention, the output end of the control clamp is electrically connected with the controller, the clamping force and the rotating direction can be controlled, and when the hydraulic press presses the metal block, the metal block is clamped and turned over by the clamp.
Example 3
And in the second step, the hydraulic machine is 500-800 tons, the electronic eyes are arranged on the right opposite surface, the upper part, the lower part and the rear side of the pressing platform, the number of the electronic eyes is multiple, and the output end of each electronic eye is electrically connected with a 2D image display module, a 3D model reconstruction module, a 3D graph display module, a comparison module, an analysis module and a control module.
In the invention, the electronic eye adopts a shutter shooting type electronic eye, and can transmit the instantaneous picture after the metal block is pressed to the 2D image display module and display the picture through the screen wall.
Example 4
The output ends of the 2D image display module, the 3D model reconstruction module, the 3D graphic display module, the comparison module, the analysis module and the control module are all connected with a screen wall, the screen wall is located in a control personnel working room, the output end of the control module is electrically electrolyzed to be provided with a command sending module, and the output end of the command sending module is electrically connected with a control clamp and a hydraulic machine.
In the invention, the output end of the screen wall is electrically connected with the storage module, and images displayed on the screen wall can be displayed
The line is stored, makes things convenient for later stage to transfer and watch.
Example 5
The use steps of the 2D image display module, the 3D model reconstruction module, the 3D graph display module, the comparison module, the analysis module and the control module comprise:
s1: the video images of the metal blocks pressed and beaten by the hydraulic press are recorded by the multiple groups of electronic eyes, shutter shooting is adopted, and the shapes of the metal blocks pressed at one time are displayed on a screen wall through a 2D display module for workers to observe;
s2: the 3D image reconstruction module is used for making a 3D image of the metal block through the 2D image and displaying the 3D image on a screen wall through the 3D image display module for a worker to observe, the 3D image after each beating is compared with the last beating form through the comparison module, the numerical difference of the 3D forms is calculated, analysis data is obtained through the analysis module, and the analysis data is provided for the control module and the operator;
s3: after the control module obtains the analysis data, a control command is sent to the control clamp and the hydraulic machine through the command sending module, so that the control command is matched with the existing shape of the metal block to beat, and the large shape deviation of the metal block caused by uneven force application is avoided;
s4: the metal block with the approximate shape is obtained, is kept still and then is cooled, and the later turning welding operation is convenient.
According to the invention, by adding the electronic eyes and other equipment, the human speech observation and the control command sending are replaced, the manual participation is reduced, the automation degree of the pressing process is higher, and the pressing effect is better.
Example 6
And in the third step, after the valve base is cast, the valve base is put into a kiln to be dried, the temperature is controlled at 180-220 ℃ for heat preservation for 2-3 hours, the gas evolution quantity is reduced, then the mud core except the core head is coated with the coating with poor air permeability, a hollow cast iron pipe with air outlet holes is used for replacing a mud core bone, the middle exhaust air rod is changed into a heat preservation riser, the overflow of cold iron liquid is reduced, and the exhaust is increased.
According to the invention, by means of controlling the temperature and time, improving the casting height, controlling the casting speed and the like when the valve body base is cast, air holes and air bubbles at the top of the valve body base are reduced, so that the rejection rate of the base is reduced, the rejection rate can be reduced to below 10%, and the problem of base invasive air holes is effectively solved.
Example 7
And step three, the valve base can increase the casting height to improve the iron hydrostatic pressure to achieve the purpose of reducing air holes, and can also achieve the purpose of reducing air holes by improving the pouring temperature and the pouring speed.
In the invention, the casting temperature is controlled to 1360-1380 ℃, and a power frequency furnace is adopted for smelting.
Example 8
The subsequent production steps of the valve body in the fourth step comprise marking inspection, milling a joint surface, reserving and repairing milling amount, drilling and reaming a hole, combining circles, returning, lap welding, rough turning and finish turning of a surfacing part of a sealing surface, rough turning of other parts, flaw detection, lap welding cutting, surfacing welding, marking inspection again, repairing and milling the joint surface, combining circles, returning and marking a positioning pin hole processing line, drawing a non-processing surface staggered tooth line, overlap welding a closed surface, co-drilling, hinging a closed surface positioning pin, assembling a pin, cutting and overlap welding, processing defects, relief grinding the non-processing surface staggered tooth, rough turning, rough boring, flaw detection, fine turning, fine grinding, fine boring, flaw detection, valve body hydrostatic test, assembling with a valve, fine boring the valve, shaft hole, sealing test, performing test movably, cleaning and closing the valve body, and cleaning and coating the valve body.
In the invention, the base also needs to be subjected to the same general steps as those of valve body production, such as rough turning, finish turning, flaw detection, pin hole positioning machining line marking, non-machined surface cross dental floss marking, defect treatment and the like, and then the base and the valve body are welded and assembled, and after the assembly is finished, flaw detection inspection is needed.
Example 9
And in the step four, the air tightness is detected, the detection is required to be carried out for many times, the detection environment is required to be replaced, different detection environments are selected and replaced according to different use scenes of the valve, and the requirement is that the air tightness needs to reach the national standard.
In the invention, the valve body can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, so that the valve body needs to be tested once in various environments so as to meet the requirements of later-stage production and ensure that the use feeling of the product valve is better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A production and processing method of a valve body is characterized by comprising the following steps:
the method comprises the following steps: putting the metal block into a heating furnace for heating, so that the metal block is burned red and has deformation capacity, and then taking out the metal block;
step two: the metal block after being taken out is placed under a hydraulic press, the clamp clamps the metal block, the hydraulic press beats the metal block, an electronic eye replaces a human eye to observe the beated metal block, and the shape data of the metal block is transmitted to a controller; the hydraulic machine in the second step is a 500-800 ton hydraulic machine, the electronic eyes are arranged on the right opposite surface, the upper side, the lower side and the rear side of the pressing platform, the number of the electronic eyes is multiple, and the output end of each electronic eye is electrically connected with a 2D image display module, a 3D model reconstruction module, a 3D graph display module, a comparison module, an analysis module and a control module; the output ends of the 2D image display module, the 3D model reconstruction module, the 3D image display module, the comparison module, the analysis module and the control module are all connected with a screen wall, the screen wall is positioned in a control personnel working room, the output end of the control module is electrically connected with a command sending module, and the output end of the command sending module is electrically connected with a control clamp and a hydraulic machine; the use steps of the 2D image display module, the 3D model reconstruction module, the 3D graph display module, the comparison module, the analysis module and the control module comprise:
s1: the video images of the metal blocks pressed and beaten by the hydraulic press are recorded by the multiple groups of electronic eyes, shutter shooting is adopted, and the shapes of the metal blocks pressed at one time are displayed on a screen wall through a 2D display module for workers to observe;
s2: the 3D image reconstruction module is used for making a 3D image of the metal block through the 2D image and displaying the 3D image on a screen wall through the 3D image display module for a worker to observe, the 3D image after each beating is compared with the last beating form through the comparison module, the numerical difference of the 3D forms is calculated, analysis data is obtained through the analysis module, and the analysis data is provided for the control module and the operator;
s3: after the control module obtains the analysis data, a control command is sent to the control clamp and the hydraulic machine through the command sending module, so that the control command is matched with the existing shape of the metal block to beat, and the large shape deviation of the metal block caused by uneven force application is avoided;
s4: obtaining a metal block with the shape of a metal valve body, and cooling the metal block after the metal block is static, so that the later-stage lathe welding operation is facilitated;
step three: after the metal valve body is hammered and processed to have the shape characteristics of the metal valve body, casting a valve base, controlling the temperature and the gas forming amount to form the metal valve body, and increasing the height of a casting mold; after the valve base is cast in the third step, the valve base is put into a kiln for drying, the temperature is controlled to be 180-220 ℃, the temperature is kept for 2-3 hours, the gas evolution quantity is reduced, then the mud core is coated with the coating with poor air permeability except the core head, a hollow cast iron pipe with air outlet holes is used for replacing a mud core bone, the middle exhaust air rod is changed into a heat-preservation riser, the overflow of cold iron liquid is reduced, and the exhaust is increased; in the third step, the valve base can not only increase the height of the casting mold to improve the iron hydrostatic pressure to achieve the purpose of reducing air holes, but also can achieve the purpose of reducing air holes by improving the casting temperature and the casting speed;
step four: after the valve base is produced, the valve body and the base are respectively processed and then welded, and the air tightness of the valve body and the base is tested repeatedly to enable the valve body and the base to reach the sealing standard.
2. The production and processing method of the valve body according to claim 1, wherein: the heating furnace in the first step adopts a large intermediate frequency diathermy furnace, the temperature is raised from 700 ℃ to 1200 ℃ in a section-by-section heating mode, the temperature is controlled and kept for 2-3 hours, and then the heating furnace is taken out by using a control clamp.
3. The production and processing method of the valve body according to claim 1, wherein: the subsequent production steps of the valve body in the fourth step comprise marking inspection, milling a joint surface, reserving and repairing milling amount, drilling and reaming a hole, combining circles, returning, lap welding, rough turning and finish turning of a surfacing part of a sealing surface, rough turning of other parts, flaw detection, lap welding cutting, surfacing welding, marking inspection again, repairing and milling the joint surface, combining circles, returning and marking and positioning pin hole processing lines, drawing a non-processing surface staggered tooth line, overlap welding a closed surface, co-drilling, hinging a closed surface positioning pin, assembling a pin, cutting and overlap welding, processing defects, relief grinding the non-processing surface staggered tooth, rough turning, rough boring, flaw detection, fine turning, fine grinding, fine boring, flaw detection, valve body hydrostatic test, assembling with a valve, fine boring the valve, shaft hole, sealing test, performing test movably, cleaning and closing the valve body, and cleaning and coating the valve body.
4. The production and processing method of the valve body according to claim 1, wherein: and in the step four, the air tightness detection needs to be carried out for many times, the detection environment needs to be changed, different detection environments are selected and changed according to different use scenes of the valve, and the requirement is that the air tightness needs to reach the national standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645068.0A CN111726589B (en) | 2020-07-07 | 2020-07-07 | Production and processing method of valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645068.0A CN111726589B (en) | 2020-07-07 | 2020-07-07 | Production and processing method of valve body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111726589A CN111726589A (en) | 2020-09-29 |
| CN111726589B true CN111726589B (en) | 2022-01-28 |
Family
ID=72572989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010645068.0A Active CN111726589B (en) | 2020-07-07 | 2020-07-07 | Production and processing method of valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111726589B (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6385847B1 (en) * | 2000-09-13 | 2002-05-14 | Eaton Corporation | Seat faced engine valves and method of making seat faced engine valves |
| DE102006048166A1 (en) * | 2006-08-02 | 2008-02-07 | Daimler Ag | Method for observing a person in an industrial environment |
| RU2498408C2 (en) * | 2007-12-10 | 2013-11-10 | Абб Рисерч Лтд | Computer-implemented method and system for remote control of production process |
| CN101298090B (en) * | 2008-04-23 | 2010-06-09 | 武汉理工大学 | Electrical machinery pole shoe accurate cold forging forming technique |
| CN101713640B (en) * | 2009-09-30 | 2011-08-03 | 大连理工大学 | Non-contact measurement method for thermal state sizes of forgings |
| CN101690964B (en) * | 2009-10-25 | 2011-05-18 | 浙江大学宁波理工学院 | Automatic production device in valve pressure forging process |
| US8869377B2 (en) * | 2010-12-07 | 2014-10-28 | Shreyas R. Mehta | Integrated valve sleeve |
| CN102319873B (en) * | 2011-10-10 | 2013-04-10 | 广西玉林玉柴机器配件制造有限公司 | Production method for sand-lined metal mold casting cylinder body |
| CN106285797B (en) * | 2016-08-31 | 2018-02-09 | 上海发电设备成套设计研究院 | The supervising device and method of the inside manufacturing defect of inner casing, outer shell and valve casing |
| NO20170242A1 (en) * | 2017-02-17 | 2018-05-22 | Benarx Solutions As | A method and a tool for designing real 3-D structures |
| CN107876675A (en) * | 2017-11-21 | 2018-04-06 | 四川凯茨阀门制造有限公司 | A kind of flanged ball valve manufacture method |
| CN108655399A (en) * | 2018-01-25 | 2018-10-16 | 海宁市锦新轴承有限公司 | A kind of car model processing structure |
| CN210548054U (en) * | 2019-09-26 | 2020-05-19 | 云南南星科技开发有限公司 | Constant volume casting tank mechanism for tin metallurgy electrolytic refining |
| CN110509300B (en) * | 2019-09-30 | 2024-04-09 | 河南埃尔森智能科技有限公司 | Steel hoop processing and feeding control system and control method based on three-dimensional visual guidance |
| CN111275331A (en) * | 2020-01-20 | 2020-06-12 | 张家口卷烟厂有限责任公司 | Monitoring method and device for production system |
-
2020
- 2020-07-07 CN CN202010645068.0A patent/CN111726589B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111726589A (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108519321B (en) | Method for testing by using welding joint force-corrosion coupling testing device | |
| CN102756235A (en) | Field welding repair method especially for larger and penetrating defects in steel casting with heavy wall thickness | |
| CN104874767B (en) | Multi-pipeline low pressure, counter-pressure casting technique and its equipment | |
| CN111726589B (en) | Production and processing method of valve body | |
| CN105970033A (en) | Die casting method of dry aluminium alloy double-clutch valve body | |
| CN114888223A (en) | Temperature-controlled forging control system and method for large hydraulic forging press | |
| CN104874973B (en) | A kind of steam turbine deformation of joint surface processing method | |
| CN108709783A (en) | Artificial cores preparation facilities and preparation method thereof | |
| CN110280973A (en) | A kind of hydraulic cylinder manufacture method | |
| CN207423467U (en) | A kind of butterfly valve bulge test machine | |
| DE19828688A1 (en) | Control method for beer brewing process | |
| CN116037879A (en) | Intelligent water distribution method for secondary cooling section of billet continuous casting machine | |
| CN215250969U (en) | Radar scanning equipment for monitoring change of blast furnace burden surface | |
| CN207464399U (en) | A kind of multistation soldering system of motorcycle buzzer | |
| CN115890039A (en) | Welding manufacturing method of steam turbine hollow blade | |
| CN103949890A (en) | Q420 large angle steel producing and processing technology | |
| CN112414874A (en) | Experimental device and experimental method for rock shear crack propagation under high-temperature condition | |
| CN110918865A (en) | Forging method of flange forging | |
| CN213269979U (en) | Portable pressure regulating and measuring device for detecting and draining water under mine | |
| CN206135607U (en) | New energy automobile water -cooled machine casing | |
| JP6905648B1 (en) | Furnace wall wear measuring device and furnace wall wear measuring method | |
| CN107598126A (en) | A kind of new die casting | |
| CN110877194B (en) | Forming process of jacket cavity | |
| CN113358523B (en) | Grouting visual testing method with controllable viscosity and solidification characteristics | |
| CN114589465B (en) | Preparation method of composite strip steel for die casting composite slab rolling cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |