CN106501549A - A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity - Google Patents

A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity Download PDF

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Publication number
CN106501549A
CN106501549A CN201610907472.4A CN201610907472A CN106501549A CN 106501549 A CN106501549 A CN 106501549A CN 201610907472 A CN201610907472 A CN 201610907472A CN 106501549 A CN106501549 A CN 106501549A
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bullet
numerical control
compressed air
air shotblasting
control compressed
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CN201610907472.4A
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CN106501549B (en
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胡小娇
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AVIC Aircraft Corp Xian Aircraft Branch
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AVIC Aircraft Corp Xian Aircraft Branch
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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
    • 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 method that the present invention provides a kind of 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 the flow velocity of the bullet for spraying is verified；The method for providing 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 impact of the flow velocity to shot peening strength；The method is will to collect to separate with weighing, and can also design collection and weigh integrated device, be more convenient for detecting.

Description

A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity
Technical field
The present invention relates to detection technique field, particularly a kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity.
Background technology
Shot-blast process is the cannonball injection surface of the work layer using high speed, is allowed to a kind of aircraft for producing plastic deformation Panel beating special warfare processing method, can improve anti-fatigue performance, stress corrosion resistant and the anti-crack ability of various metal materials, It is one of indispensable key technology in big-and-middle-sized civil aircraft metal wings manufacture field.
Affect that the parameter of shot peening strength is a lot, wherein bullet flow velocity is one of main affecting parameters, it inaccurate Contour peening or shot peening strengthening can be produced directly affects, and special warfare inspection is sprayed in Boeing's BAC5730 files During ball project, it is desirable to shot-peening flow rate need to meet ± 10% precision, and pass through retrieval and understand, the country is in the detection at present Specify without specific file on field, the equal nothing of the instrument that the means and calibration that calibrates for numerical control compressed air shotblasting machine flow velocity are used Require in plain text, in order to solve this problem, be badly in need of the method that invention energy Accurate Determining calibrates numerical control compressed air shotblasting machine flow velocity.
Content of the invention
It is an object of the invention to provide a kind of practical, the side that easily measurement of numerical control compressed air shotblasting machine flow velocity is calibrated Method.
A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity, including bullet collector, bullet collector is close for one Envelope container, container side are provided with a bullet receiving port, are connected with the nozzle docking of numerical control compressed air shotblasting machine, and container bottom is provided with a row Ball mouth, specific measuring process are as follows：
1) the multiple measurement calibration points of uniform design in the whole range of numerical control compressed air shotblasting machine flow velocity；
2) bullet collector is placed on preprepared electronic scale 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 specification of first selected point are set on the control panel of numerical control compressed air shotblasting machine, then The coordinate system of numerical control compressed air shotblasting machine jet hole is set, jet hole and the receiving port of bullet collector is in same horizontal line, but Not interfaced；
5) start numerical control compressed air shotblasting machine and sky is proceeded by according to program penetrate that (bullet for now spraying does not flow to bullet collector Interior)；
6), after sky penetrates 3 minutes, treat that bullet flow velocity, in stable state, jet hole is moved horizontally and bullet collector Receiving port is docked, and bullet is flowed in bullet collector, while starting timing using stopwatch, the now access numerical control of bullet collector is sprayed The bullet of ball machine injection；
7), when stopwatch shows n minutes, nozzle is removed container receiving port closes numerical control compressed air shotblasting machine；
8) bullet collector now is placed on electronic scale and is weighed, record bullet quality m now1；
9) according to above-mentioned steps duplicate measurements three times, quality m of three bullets is obtained1、m2And m3, and it is calculated as follows number The actual average flow rate of control compressed air shotblasting machineAs actual flow value of the numerical control compressed air shotblasting machine in the point
In formula：m1、m2、m3Claim the quality that must collect bullet for three times
N collects the time of bullet；
10) the relative error of indication of first numerical control compressed air shotblasting machine flow rate is obtained：
In formula：QbThe nominal value of flow velocity
The actual flow velocity flow value of three measurements；
11) bullet after measurement is discharged from row's ball hole, according to step 4) 10) measure remaining selected measurement calibration Point, obtains the actual average flow rate of remaining Chosen PointError of indication value relative with △；
12) the maximum relative error of indication is chosen as the relative error of indication of numerical control compressed air shotblasting machine.
The present invention is not impacted to the pipeline of numerical control compressed air shotblasting machine body, is selected in the end of numerical control compressed air shotblasting machine shot-peening pipeline Verified, i.e., the flow velocity of the bullet for spraying is verified at numerical control shot-peening machine nozzle；Provide a weight effective, simple 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 Impact 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, and can also design collection and weigh integrated device, be more convenient for detecting.
Description of the drawings：
Before Fig. 1 is collected, bullet collector is removed the peel, is reset
Fig. 2 bullets collector receives the bullet of injection
Bullet collector after Fig. 3 collections
Explanation is numbered in figure：1st, bullet collector；2nd, electronic scale；3rd, receiving port；4th, 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 accompanying drawing 1-3：
Referring to accompanying drawing, bullet collector 1 is a sealing container, and container side is provided with a bullet receiving port 3, with numerical control shot-peening The nozzle docking of machine is connected, and container bottom is provided with row's ball mouth 4.
1) the multiple measurement calibration points of uniform design in the whole 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 is selected during standard；
2) bullet collector 1 is placed on preprepared electronic scale 2 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) first 2kg/min flow velocities are calibrated, set on the controller of numerical control compressed air shotblasting machine flow velocity as 2kg/min and other parameters, then set the coordinate system of numerical control compressed air shotblasting machine jet hole, make jet hole with bullet collector 1 Receiving port 3 is in same horizontal line but not interfaced；
5) start numerical control compressed air shotblasting machine and sky is proceeded by according to program penetrate that (bullet for now spraying does not flow to bullet collector In 1)；
6), after sky penetrates 3 minutes, treat that bullet flow velocity, in stable state, jet hole is moved horizontally and bullet collector 1 receiving port 3 is docked, and bullet is flowed in bullet collector 1, while start timing using stopwatch, the now access number of bullet collector 1 The bullet of control compressed air shotblasting machine injection；
7) nozzle is removed receiving port 3 after spraying 5 minutes, numerical control compressed air shotblasting machine is closed and is stopped shot-peening, now receive in collector Collection has the bullet stream of 5 minutes；；
8) bullet collector 1 now is placed on electronic scale 2 and is weighed, record bullet quality m now1, obtain It is 9.75kg to quality；
9) according to above-mentioned steps duplicate measurements three times, quality m of three bullets is obtained1、m2And m3Be respectively 9.75kg, 9.72kg and 9.74kg.It is calculated as follows the actual average flow rate of numerical control compressed air shotblasting machineAs numerical control compressed air shotblasting machine is in the point Actual flow value
In formula：m1、m2、m3Claim the quality that must collect bullet for three times
N collects the time of bullet；
10) the relative error of indication of first numerical control compressed air shotblasting machine flow rate is obtained：
In formula：QbThe nominal value of flow velocity
The actual flow velocity flow value of three measurements；
11) bullet 4 after measurement is discharged from row's ball hole, according to step 4) 10) measure remaining selected measurement calibration Point, obtains the actual average flow rate of remaining Chosen PointError of indication value relative with △, is calculated according to above method The error of indication of 4kg/min is 3% and 10kg/ for the error of indication of 3%, 6kg/min for the error of indication of 4%, 8kg/min The error of indication of min is 4%,
12) the maximum relative error of indication 4% is chosen as the relative error of indication of numerical control compressed air shotblasting machine, i.e. the numerical control shot-peening The relative error of indication of machine flow velocity is 4%.
, due to not affecting the internal structure of numerical control compressed air shotblasting machine, versatility is stronger, is applicable to multiple shot-peenings for this measuring method Machine, provides effective and feasible method for its calibration.

Claims (1)

1. a kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity, including bullet collector, the bullet collector is one Sealing container, container side are provided with a bullet receiving port, can be connected with the docking of the nozzle of numerical control compressed air shotblasting machine, and container bottom is provided with one Individual row's ball mouth, specific measuring process are as follows：
1) the multiple measurement calibration points of uniform design in the whole range of numerical control compressed air shotblasting machine flow velocity；
2) bullet collector is placed on preprepared electronic scale 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 specification of first selected point is set on the control panel of numerical control compressed air shotblasting machine, is then set The coordinate system of numerical control compressed air shotblasting machine jet hole, makes jet hole and the receiving port of bullet collector be in same horizontal line, but not Interfaced；
5) startup numerical control compressed air shotblasting machine proceeds by sky according to program and penetrates (bullet for now spraying is not flowed in bullet collector)；
6), after sky penetrates 3 minutes, treat that bullet flow velocity, in stable state, jet hole is moved horizontally and is received with bullet collector Mouth docking, bullet is flowed in bullet collector, while starting timing, bullet collector now access numerical control compressed air shotblasting machine using stopwatch The bullet of injection；
7), when stopwatch shows n minutes, nozzle is removed container receiving port closes numerical control compressed air shotblasting machine；
8) bullet collector now is placed on electronic scale and is weighed, record bullet quality m now1；
9) according to above-mentioned steps duplicate measurements three times, quality m of three bullets is obtained1、m2And m3, and it is calculated as follows numerical control spray The actual average flow rate of ball machineAs actual flow value of the numerical control compressed air shotblasting machine in the point
Q ‾ = m 1 n + m 2 n + m 3 n 3
In formula：m1、m2、m3Claim the quality that must collect bullet for three times
N collects the time of bullet；
10) the relative error of indication of first numerical control compressed air shotblasting machine flow rate is obtained：
Δ = Q ‾ - Q b Q b × 100 %
In formula：QbThe nominal value of flow velocity
The actual flow velocity flow value of three measurements；
11) bullet after measurement is discharged from row's ball hole, according to step 4) remaining selected measurement calibration point 10) is measured, obtain Actual average flow rate to remaining Chosen PointError of indication value relative with △；
12) the maximum relative error of indication is chosen as the relative error of indication of numerical control compressed air shotblasting machine.
CN201610907472.4A 2016-10-19 2016-10-19 A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity Active CN106501549B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
CN109141587A (en) * 2018-08-09 2019-01-04 安徽省法米特物联技术有限公司 A kind of the product quality support method and device, terminal, medium of flow sensor
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
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
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
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
CN114167077A (en) * 2021-12-08 2022-03-11 中航西安飞机工业集团股份有限公司 Shot blasting flow velocity measuring device and measuring method

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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
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

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
CN109141587A (en) * 2018-08-09 2019-01-04 安徽省法米特物联技术有限公司 A kind of the product quality support method and device, terminal, medium of flow sensor
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
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
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
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
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
CN114167077A (en) * 2021-12-08 2022-03-11 中航西安飞机工业集团股份有限公司 Shot blasting flow velocity measuring device and measuring method
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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