CN106501549B - A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity - Google Patents
A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity Download PDFInfo
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- CN106501549B CN106501549B CN201610907472.4A CN201610907472A CN106501549B CN 106501549 B CN106501549 B CN 106501549B CN 201610907472 A CN201610907472 A CN 201610907472A CN 106501549 B CN106501549 B CN 106501549B
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- bullet
- numerical control
- compressed air
- air shotblasting
- shotblasting machine
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
Abstract
The present invention provides a kind of method of the measurement calibration of numerical control compressed air shotblasting machine flow velocity, including a bullet collector, sprays bullet quality different in flow rate by measurement same time and verifies to the flow velocity of the bullet of injection；Provide the method for effective, the simple and direct calibration numerical control compressed air shotblasting machine flow rate of a weight, it may be verified that the precision of numerical control compressed air shotblasting machine flow velocity is effectively controlled influence of the flow velocity to shot peening strength；This method is will to collect to separate with weighing, can also design collection weighing integrated device, be more convenient for detecting.
Description
Technical field
The present invention relates to detection technique field, especially a kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity.
Background technique
Shot-blast process is the cannonball injection workpiece surface layer using high speed, is allowed to generate a kind of aircraft of plastic deformation
The anti-fatigue performance, stress corrosion resistant and anti-crack ability of various metal materials can be improved in metal plate special warfare processing method,
It is indispensable one of the key technology of large and medium-sized civil aircraft metal wings manufacturing field.
There are many parameter for influencing shot peening strength, and wherein bullet flow velocity is one of main affecting parameters, its inaccuracy
Direct influence can be generated on contour peening or shot peening strengthening, special warfare inspection is sprayed in Boeing's BAC5730 file
When ball project, it is desirable that shot-peening flow rate need meet ± 10% precision, and by retrieval understand, at present the country in the detection
It is provided on field without specific file, the equal nothing of instrument that the means and calibration for the calibration of numerical control compressed air shotblasting machine flow velocity use
It requires in plain text, in order to solve this problem, is badly in need of the method for invention energy Accurate Determining calibration numerical control compressed air shotblasting machine flow velocity.
Summary of the invention
The purpose of the present invention is to provide a kind of practical, the sides of the measurement calibration of convenient and fast numerical control compressed air shotblasting machine flow velocity
Method.
A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity, including bullet collector, bullet collector are one close
Container is sealed, container side is equipped with a bullet receiving port, is connected with the docking of the nozzle of numerical control compressed air shotblasting machine, and container bottom is equipped with a row
Ball mouth, specific measuring process are as follows:
1) the multiple measurement calibration points of uniform design in the entire range of numerical control compressed air shotblasting machine flow velocity；
2) bullet collector is placed on preprepared electronic scale and carries out peeling clearing；
3) bullet collector is removed, is placed it in the spray box of numerical control compressed air shotblasting machine；
4) the flow velocity value and other parameters of first selected point are set on the control panel of numerical control compressed air shotblasting machine, then
The coordinate system for setting numerical control compressed air shotblasting machine jet hole, is in jet hole and the receiving port of bullet collector in same horizontal line, but
It is not interfaced；
5) starting numerical control compressed air shotblasting machine starts to carry out sky to penetrate that (bullet sprayed at this time does not flow to bullet collector according to program
It is interior)；
6) after sky penetrates 3 minutes, it is in stable state to bullet flow velocity, jet hole is moved horizontally and bullet collector
Receiving port docking, bullet flow in bullet collector, while starting timing, bullet collector access numerical control at this time spray using stopwatch
The bullet of ball machine injection；
7) when stopwatch is shown n minutes, nozzle is removed to the receiving port of container, closes numerical control compressed air shotblasting machine；
8) bullet collector at this time is placed on electronic scale and is weighed, record bullet quality m at this time1；
9) the quality m of bullet three times three times according to above-mentioned steps duplicate measurements, is obtained1、m2And m3, and number is calculated as follows
Control the actual average flow rate of compressed air shotblasting machineAs actual flow value of the numerical control compressed air shotblasting machine in the point
In formula: m1、m2、m3--- claim to collect the quality of bullet three times
N --- collect the time of bullet；
10) the opposite error of indication of first numerical control compressed air shotblasting machine flow rate is obtained:
In formula: Qb--- the nominal value of flow velocity
--- the actual flow velocity flow value measured three times；
11) from the bullet after the discharge measurement of row ball hole, according to step 4) --- 10) measure remaining selected measurement calibration
Point obtains the actual average flow rate of remaining Chosen PointWith △ with respect to error of indication value；
12) the maximum opposite opposite error of indication of the error of indication as numerical control compressed air shotblasting machine is chosen.
The present invention does not impact the pipeline of numerical control compressed air shotblasting machine body, selects in the end of numerical control compressed air shotblasting machine shot-peening pipeline
It is verified, i.e., the flow velocity of the bullet of injection is verified at numerical control shot-peening machine nozzle；It is effective, simple to provide a weight
The method of prompt calibration numerical control compressed air shotblasting machine flow rate, it may be verified that the precision of numerical control compressed air shotblasting machine flow velocity is effectively controlled
Influence of the flow velocity to shot peening strength；A kind of bullet collector is provided, the bullet of nozzle ejection, the party can be effectively collected
Method is will to collect to separate with weighing, can also design collection weighing integrated device, be more convenient for detecting.
Detailed description of the invention:
The peeling of bullet collector, clearing before Fig. 1 is collected
Fig. 2 bullet collector receives the bullet of injection
Bullet collector after Fig. 3 collection
Explanation: 1, bullet collector is numbered in figure；2, electronic scale；3, receiving port；4, ball mouth is arranged
Specific embodiment
The present invention is described in further details by taking the calibration of a certain numerical control compressed air shotblasting machine flow velocity as an example referring to attached drawing 1-3:
Referring to attached drawing, bullet collector 1 is a sealing container, and container side is equipped with a bullet receiving port 3, with numerical control shot-peening
The nozzle docking of machine is connected, and container bottom is equipped with row's ball mouth 4.
1) the multiple measurement calibration points of uniform design in the entire range of numerical control compressed air shotblasting machine flow velocity；For example, in measurement school
5 calibration points, 2kg/min, 4kg/min, 6kg/min, 8kg/min, 10kg/min are selected during quasi-；
2) bullet collector 1 is placed on preprepared electronic scale 2 and carries out peeling clearing；
3) bullet collector 1 is removed, is placed it in the spray box of numerical control compressed air shotblasting machine；
4) 2kg/min flow velocity is calibrated first, set on the controller of numerical control compressed air shotblasting machine flow velocity as
Then 2kg/min and other parameters set the coordinate system of numerical control compressed air shotblasting machine jet hole, make jet hole and bullet collector 1
Receiving port 3 is in same horizontal line, but not interfaced；
5) starting numerical control compressed air shotblasting machine starts to carry out sky to penetrate that (bullet sprayed at this time does not flow to bullet collector according to program
In 1)；
6) after sky penetrates 3 minutes, it is in stable state to bullet flow velocity, jet hole is moved horizontally and bullet collector
The docking of 1 receiving port 3, bullet flows in bullet collector 1, while starting timing using stopwatch, the access number at this time of bullet collector 1
Control the bullet of compressed air shotblasting machine injection；
7) nozzle is removed receiving port 3 after five minutes by injection, is closed numerical control compressed air shotblasting machine and is stopped shot-peening, receives in collector at this time
Collection has 5 minutes bullet stream；；
8) bullet collector 1 at this time is placed on electronic scale 2 and is weighed, record bullet quality m at this time1, obtain
It is 9.75kg to quality；
9) the quality m of bullet three times three times according to above-mentioned steps duplicate measurements, is obtained1、m2And m3Be respectively 9.75kg,
9.72kg and 9.74kg.The actual average flow rate of numerical control compressed air shotblasting machine is calculated as followsAs numerical control compressed air shotblasting machine is in the point
Actual flow value
In formula: m1、m2、m3--- claim to collect the quality of bullet three times
N --- collect the time of bullet；
10) the opposite error of indication of first numerical control compressed air shotblasting machine flow rate is obtained:
In formula: Qb--- the nominal value of flow velocity
--- the actual flow velocity flow value measured three times；
11) from the bullet 4 after the discharge measurement of row ball hole, according to step 4) --- 10) measure remaining selected measurement calibration
Point obtains the actual average flow rate of remaining Chosen PointWith △ with respect to error of indication value, it is calculated according to above method
The error of indication that the error of indication that the error of indication of 4kg/min is 3%, 6kg/min is 4%, 8kg/min is 3% and 10kg/
The error of indication of min is 4%,
12) the maximum opposite opposite error of indication of the error of indication 4% as numerical control compressed air shotblasting machine, i.e. the numerical control shot-peening are chosen
The opposite error of indication of machine flow velocity is 4%.
Internal structure of this measurement method due to not influencing numerical control compressed air shotblasting machine, versatility is stronger, is applicable to a variety of shot-peenings
Machine provides effective and feasible method for its calibration.
Claims (1)
1. a kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity, including bullet collector, the bullet collector is one
Sealing container, container side are equipped with a bullet receiving port, can dock and be connected with the nozzle of numerical control compressed air shotblasting machine, container bottom is equipped with one
A row's ball mouth, specific measuring process are as follows:
1) the multiple measurement calibration points of uniform design in the entire range of numerical control compressed air shotblasting machine flow velocity；
2) bullet collector is placed on preprepared electronic scale and carries out peeling clearing；
3) bullet collector is removed, is placed it in the spray box of numerical control compressed air shotblasting machine；
4) the flow velocity value and other parameters that first selected point is set on the control panel of numerical control compressed air shotblasting machine, then set
The coordinate system of numerical control compressed air shotblasting machine jet hole is in jet hole and the receiving port of bullet collector in same horizontal line, but not
It is interfaced；
5) starting numerical control compressed air shotblasting machine according to program start carry out sky penetrate, i.e., the bullet sprayed at this time does not flow in bullet collector；
6) after sky penetrates 3 minutes, it is in stable state to bullet flow velocity, jet hole is moved horizontally and is received with bullet collector
Mouth docking, bullet flows in bullet collector, while starting timing, the bullet collector compressed air shotblasting machine of access numerical control at this time using stopwatch
The bullet of injection；
7) when stopwatch is shown n minutes, nozzle is removed to the receiving port of container, closes numerical control compressed air shotblasting machine；
8) bullet collector at this time is placed on electronic scale and is weighed, record bullet quality m at this time1；
9) the quality m of bullet three times three times according to above-mentioned steps duplicate measurements, is obtained1、m2And m3, and numerical control spray is calculated as follows
The actual average flow rate of ball machineAs actual flow value of the numerical control compressed air shotblasting machine in the point
In formula: m1、m2、m3--- claim to collect the quality of bullet three times
N --- collect the time of bullet；
10) the opposite error of indication of first numerical control compressed air shotblasting machine flow rate is obtained:
In formula: Qb--- the nominal value of flow velocity
--- the actual flow velocity flow value measured three times；
11) from the bullet after the discharge measurement of row ball hole, according to step 4) --- 10) remaining selected measurement calibration point is measured, is obtained
To the actual average flow rate of remaining Chosen PointWith △ with respect to error of indication value；
12) the maximum opposite opposite error of indication of the error of indication as numerical control compressed air shotblasting machine is chosen.
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| CN201610907472.4A CN106501549B (en) | 2016-10-19 | 2016-10-19 | A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity |
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| CN201610907472.4A CN106501549B (en) | 2016-10-19 | 2016-10-19 | A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity |
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| CN106501549B true CN106501549B (en) | 2019-03-01 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109141586A (en) * | 2018-08-09 | 2019-01-04 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system that can improve accuracy of measurement |
| CN109117550A (en) * | 2018-08-09 | 2019-01-01 | 安徽省锐凌计量器制造有限公司 | Accuracy support method and device, terminal, the medium of flow sensor |
| CN109029642A (en) * | 2018-08-09 | 2018-12-18 | 安徽省锐凌计量器制造有限公司 | A kind of flow sensor that can ensure accuracy |
| CN109116819A (en) * | 2018-08-09 | 2019-01-01 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system |
| CN109143996A (en) * | 2018-08-09 | 2019-01-04 | 安徽省法米特物联技术有限公司 | A kind of Internet of Things big data acquisition processing system that can ensure product quality |
| CN109141587B (en) * | 2018-08-09 | 2020-09-04 | 安徽省法米特物联技术有限公司 | Product quality guarantee method and device for flow sensor, terminal and medium |
| CN109141585A (en) * | 2018-08-09 | 2019-01-04 | 安徽省锐凌计量器制造有限公司 | A kind of flow sensor that can improve accuracy of measurement |
| CN109141564A (en) * | 2018-08-09 | 2019-01-04 | 安徽省法米特物联技术有限公司 | A kind of accuracy of measurement method and device thereof improving flow sensor |
| CN109238407A (en) * | 2018-08-09 | 2019-01-18 | 安徽省锐凌计量器制造有限公司 | A kind of Internet of Things big data acquisition processing system that can ensure accuracy |
| CN114167077B (en) * | 2021-12-08 | 2023-12-22 | 中航西安飞机工业集团股份有限公司 | Shot blasting flow velocity measuring device and method |
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| JPH10192169A (en) * | 1997-01-06 | 1998-07-28 | Mk Seiko Co Ltd | Weighing rice chest |
| CN201885761U (en) * | 2010-11-08 | 2011-06-29 | 成都飞机工业（集团）有限责任公司 | Real-time solid particle flow detection device |
| CN103411840A (en) * | 2013-07-23 | 2013-11-27 | 西北工业大学 | Apparatus and method used for analyzing effects of shot blast materials |
| CN103575613A (en) * | 2012-07-19 | 2014-02-12 | 乌斯特技术股份公司 | Automatic impurity weighing device and method |
| CN205074936U (en) * | 2015-09-23 | 2016-03-09 | 昆山开信机械制造有限公司 | Shot ball material flow monitoring devices |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10192169A (en) * | 1997-01-06 | 1998-07-28 | Mk Seiko Co Ltd | Weighing rice chest |
| CN201885761U (en) * | 2010-11-08 | 2011-06-29 | 成都飞机工业（集团）有限责任公司 | Real-time solid particle flow detection device |
| CN103575613A (en) * | 2012-07-19 | 2014-02-12 | 乌斯特技术股份公司 | Automatic impurity weighing device and method |
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