CN103411840A - Apparatus and method used for analyzing effects of shot blast materials - Google Patents
Apparatus and method used for analyzing effects of shot blast materials Download PDFInfo
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- CN103411840A CN103411840A CN2013103121766A CN201310312176A CN103411840A CN 103411840 A CN103411840 A CN 103411840A CN 2013103121766 A CN2013103121766 A CN 2013103121766A CN 201310312176 A CN201310312176 A CN 201310312176A CN 103411840 A CN103411840 A CN 103411840A
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Abstract
The invention discloses an apparatus and a method used for analyzing effects of shot blast materials. The apparatus comprises a peening machine, a support for plates, a displacement sensor, a laser velocity sensor, a controller and an X-ray emitter; the nozzle of the peening machine is vertical to the plane of a plate; the laser velocity sensor is used for measuring the velocity of the shot blast materials; and the displacement sensor is used for recording the displacement of the shot blast materials; and the X-ray emitter is used for measuring the plate residual stress caused by the impact of the shot blast materials. The apparatus and method are capable of measuring the change of the impact velocity of the shot blast materials on the plate and the plate residual stress, so that the apparatus and the method are capable of analyzing influences of different shot blast parameters on the effects of the shot blast materials.
Description
Technical field
The present invention relates to a kind of test unit, be specially a kind of be used to analyzing the device and method of bullet action effect.
Background technology
Shot-blasting formation technique is the surface that utilizes High-velocity Projectiles stream to clash into sheet metal, make to be impacted surface and the plastic yield of lower metal material production thereof and extend, thereby progressively making sheet material that a kind of manufacturing process of required profile occurs to reach to the flexural deformation that is subjected to the spray plane projection.This technology starts from phase earlier 1950s, and progressively grow up along with the widespread use of overall aircraft wall panel parts, due to this kind forming mode in forming process without particular manufacturing craft and pressing machine, manufacturing process is versatile and flexible, is very suitable for small serial production.Therefore, the contour peening method is widely applied during wallboard with wing, fuselage and the carrier rocket fuel tank etc. of aircraft is shaped.
In the process of contour peening, need to obtain to the technological parameter analysis of shot-peening contour peening effect preferably.In real process, measure the shot peening strength of various shot-peening parameters with the Almen test piece, and the Fuchs H O of Stanford university research is pointed out, there is the defect of the aspects such as intensity definition is imperfect in the Almen test piece, the incomplete defect map of Almen test piece intensity definition only is difficult to determine actual shot-blast process by Almen intensity now, because dust-shot at a high speed and the large bullet of low speed can reach identical Almen test piece measured intensity.In order further to study different bullet diameters and velocity of shot to the action effect of plate, need to obtain bullet and touch with plate the speed that breaks away from this whole process bullet with plate, and also be difficult in test at present measure.
Summary of the invention
The technical matters solved
The problem existed for solving prior art, further study different bullets and the velocity of shot action effect to plate, the present invention proposes a kind of be used to analyzing the device and method of bullet action effect,
Technical scheme
Technical scheme of the present invention is:
Described a kind of be used to analyzing the device of bullet action effect, it is characterized in that: formed by compressed air shotblasting machine, plate support, displacement transducer, laser velocimeter sensor, controller and X ray transmitter; Plate to be impacted is arranged on the plate support, and the compressed air shotblasting machine nozzle is perpendicular to the plate plane, laser velocimeter sensor measurement shot-peening speed, and displacement transducer records the shot-peening displacement, and the X ray transmitter is surveyed the plate unrelieved stress that bullet impact causes; The measurement result input control device of laser velocimeter sensor, displacement transducer and X ray transmitter.
Described a kind of be used to analyzing the method for bullet action effect, it is characterized in that: adopt following steps:
Step 1: compressed air shotblasting machine emission bullet impact plate, laser velocimeter sensor measurement bullet are from being transmitted into the speed of colliding bullet the overall process of rebounding, and displacement transducer records bullet from being transmitted into the change in displacement of colliding the overall process of rebounding;
Step 2: according to the measurement result of displacement transducer, obtain bullet and plate time of contact T
1And bullet and plate disengaging moment T
2, in the velocity of shot change curve, find T constantly
1And T
2Corresponding velocity of shot V
1And V
2And obtain the plate unrelieved stress by the X ray transmitter;
Step 3: change shot-peening diameter and shot-peening transmitting range, repeating step 1, to step 2, obtains bullet contact velocity and second cosmic velocity that different shot-peening diameters and shot-peening transmitting range are corresponding, and the plate unrelieved stress.
Beneficial effect
The present invention proposes a kind of be used to analyzing the device and method of bullet action effect, the velocity variations by measuring different bullets collision plates and the unrelieved stress of plate, thus can analyze the impact of different bullet parameters on the bullet action effect.
The accompanying drawing explanation
Fig. 1: device schematic diagram of the present invention.
Wherein: 1, displacement transducer; 2, right support; 3, plate to be impacted; 4, bullet; 5, laser velocimeter sensor; 6, left socle; 7, compressed air shotblasting machine.
Embodiment
Below in conjunction with specific embodiment, the present invention is described:
With reference to accompanying drawing 1, the device be used to analyzing the bullet action effect in the present embodiment is comprised of compressed air shotblasting machine 7, plate support, displacement transducer 1, laser velocimeter sensor 5, controller and X ray transmitter.Plate 3 to be impacted is arranged on the plate support, and the compressed air shotblasting machine nozzle is perpendicular to the plate plane, laser velocimeter sensor measurement shot-peening speed, and displacement transducer records the shot-peening displacement, and the X ray transmitter is surveyed the plate unrelieved stress that bullet impact causes; The measurement result input control device of laser velocimeter sensor, displacement transducer and X ray transmitter, controller is uploaded to outer computer in real time by measurement data.
In the present embodiment, some technological parameters in the contour peening process are set, bullet is the cast steel bullet, and the jet length of nozzle and plate is 100～300mm, and the jet pressure of vapour-pressure type compressed air shotblasting machine is 1MPa.
Utilize displacement transducer and laser velocimeter sensor to leaving this process of plate, to measure from acting on plate whole bullet: the laser velocimeter sensor has two ports: an emission port, send LED light source; One is the port of taking pictures at a high speed, realizes CCD area high speed imaging contrast, by the image comparison of two times in the short time at the utmost point, differentiates the distance that bullet moves, and the algorithm of combined sensor inside is exported the speed of bullet in real time.LED light emission port goes out laser facing to pellet injection, passes to signal processor after reflex to the shooting receiving port, receiving signal, by algorithm, calculate its speed, and displacement transducer can obtain the positional information of bullet.
Concrete analytic process is:
Step 1: compressed air shotblasting machine emission bullet impact plate, laser velocimeter sensor measurement bullet are from being transmitted into the speed of colliding bullet the overall process of rebounding, and displacement transducer records bullet from being transmitted into the change in displacement of colliding the overall process of rebounding;
Step 2: according to the measurement result of displacement transducer, obtain bullet and plate time of contact T
1And bullet and plate disengaging moment T
2, in the velocity of shot change curve, find T constantly
1And T
2Corresponding velocity of shot V
1And V
2And obtain the plate unrelieved stress by the X ray transmitter;
Step 3: change shot-peening diameter and shot-peening transmitting range, repeating step 1, to step 2, obtains bullet contact velocity and second cosmic velocity that different shot-peening diameters and shot-peening transmitting range are corresponding, and the plate unrelieved stress.
The present embodiment is chosen the bullet of diameter 0.5～6mm the speed of their whole collision processes is measured, comparative analysis is in the distribution situation of the situation lower plate unrelieved stress of different jet lengths and bullet size, thereby can further study different bullet diameters and the velocity of shot action effect to plate.
Claims (2)
1. one kind be used to analyzing the device of bullet action effect, it is characterized in that: be comprised of compressed air shotblasting machine, plate support, displacement transducer, laser velocimeter sensor, controller and X ray transmitter; Plate to be impacted is arranged on the plate support, and the compressed air shotblasting machine nozzle is perpendicular to the plate plane, laser velocimeter sensor measurement shot-peening speed, and displacement transducer records the shot-peening displacement, and the X ray transmitter is surveyed the plate unrelieved stress that bullet impact causes; The measurement result input control device of laser velocimeter sensor, displacement transducer and X ray transmitter.
2. method that adopts the analysis bullet action effect of the described device of claim 1 is characterized in that: adopt following steps:
Step 1: compressed air shotblasting machine emission bullet impact plate, laser velocimeter sensor measurement bullet are from being transmitted into the speed of colliding bullet the overall process of rebounding, and displacement transducer records bullet from being transmitted into the change in displacement of colliding the overall process of rebounding;
Step 2: according to the measurement result of displacement transducer, obtain bullet and plate time of contact T
1And bullet and plate disengaging moment T
2, in the velocity of shot change curve, find T constantly
1And T
2Corresponding velocity of shot V
1And V
2And obtain the plate unrelieved stress by the X ray transmitter;
Step 3: change shot-peening diameter and shot-peening transmitting range, repeating step 1, to step 2, obtains bullet contact velocity and second cosmic velocity that different shot-peening diameters and shot-peening transmitting range are corresponding, and the plate unrelieved stress.
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| CN201310312176.6A CN103411840B (en) | 2013-07-23 | 2013-07-23 | Apparatus and method used for analyzing effects of shot blast materials |
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| CN201310312176.6A CN103411840B (en) | 2013-07-23 | 2013-07-23 | Apparatus and method used for analyzing effects of shot blast materials |
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| CN103411840A true CN103411840A (en) | 2013-11-27 |
| CN103411840B CN103411840B (en) | 2015-07-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569304A (en) * | 2014-12-17 | 2015-04-29 | 浙江工业大学 | Shot blasting treatment mechanism study experimental device |
| CN105891244A (en) * | 2016-04-12 | 2016-08-24 | 上海理工大学 | Method for evaluating reliability of shot blasting part with X-ray diffraction technology |
| CN106501549A (en) * | 2016-10-19 | 2017-03-15 | 中航飞机股份有限公司西安飞机分公司 | A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity |
| CN107817177A (en) * | 2017-09-14 | 2018-03-20 | 吉林大学 | A kind of material blast Deformation Experiments method |
| CN109387654A (en) * | 2018-12-06 | 2019-02-26 | 济南大学 | It is a kind of to carry out the method and device that shot-peening tests the speed using associated rotary motion |
| CN110082559A (en) * | 2019-04-19 | 2019-08-02 | 成都飞机工业（集团）有限责任公司 | Velocity measuring device and speed measurement method during a kind of shot-peening |
| CN110864843A (en) * | 2019-10-23 | 2020-03-06 | 广州市昊志机电股份有限公司 | Impact force detection method, system and device for flexible wheel shot blasting and storage medium |
| CN111007715A (en) * | 2019-12-18 | 2020-04-14 | 汉腾汽车有限公司 | Autonomous lane changing method and system based on vehicle position and course |
| CN111220311A (en) * | 2020-02-16 | 2020-06-02 | 山东开泰智能抛喷丸技术研究院有限公司 | Detection apparatus for shot blasting dynamics is thrown to shot-blasting machine bullet |
| CN112204338A (en) * | 2019-09-23 | 2021-01-08 | 深圳市大疆创新科技有限公司 | Shot launching system and method and movable platform |
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| JP2001038627A (en) * | 1999-07-27 | 2001-02-13 | Mitsubishi Heavy Ind Ltd | Shot peening strength measuring unit, and strength measuring method |
| US20050039511A1 (en) * | 2003-03-14 | 2005-02-24 | Prevey Paul S. | Method and apparatus for providing a layer of compressive residual stress in the surface of a part |
| CN101722361A (en) * | 2009-11-05 | 2010-06-09 | 江苏大学 | Device and method for controlling residual stress on surface of metal microstructure |
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2013
- 2013-07-23 CN CN201310312176.6A patent/CN103411840B/en not_active Expired - Fee Related
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| JP2001038627A (en) * | 1999-07-27 | 2001-02-13 | Mitsubishi Heavy Ind Ltd | Shot peening strength measuring unit, and strength measuring method |
| US20050039511A1 (en) * | 2003-03-14 | 2005-02-24 | Prevey Paul S. | Method and apparatus for providing a layer of compressive residual stress in the surface of a part |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569304B (en) * | 2014-12-17 | 2016-08-24 | 浙江工业大学 | A kind of bead study mechanism experimental provision |
| CN104569304A (en) * | 2014-12-17 | 2015-04-29 | 浙江工业大学 | Shot blasting treatment mechanism study experimental device |
| CN105891244A (en) * | 2016-04-12 | 2016-08-24 | 上海理工大学 | Method for evaluating reliability of shot blasting part with X-ray diffraction technology |
| CN106501549A (en) * | 2016-10-19 | 2017-03-15 | 中航飞机股份有限公司西安飞机分公司 | A kind of measurement calibration steps of numerical control compressed air shotblasting machine flow velocity |
| CN106501549B (en) * | 2016-10-19 | 2019-03-01 | 中航飞机股份有限公司西安飞机分公司 | A kind of measurement calibration method of numerical control compressed air shotblasting machine flow velocity |
| CN107817177B (en) * | 2017-09-14 | 2020-04-21 | 吉林大学 | Material explosion deformation experimental method |
| CN107817177A (en) * | 2017-09-14 | 2018-03-20 | 吉林大学 | A kind of material blast Deformation Experiments method |
| CN109387654A (en) * | 2018-12-06 | 2019-02-26 | 济南大学 | It is a kind of to carry out the method and device that shot-peening tests the speed using associated rotary motion |
| CN110082559A (en) * | 2019-04-19 | 2019-08-02 | 成都飞机工业（集团）有限责任公司 | Velocity measuring device and speed measurement method during a kind of shot-peening |
| CN112204338A (en) * | 2019-09-23 | 2021-01-08 | 深圳市大疆创新科技有限公司 | Shot launching system and method and movable platform |
| WO2021056145A1 (en) * | 2019-09-23 | 2021-04-01 | 深圳市大疆创新科技有限公司 | Projectile launching system and method, and movable platform |
| CN110864843A (en) * | 2019-10-23 | 2020-03-06 | 广州市昊志机电股份有限公司 | Impact force detection method, system and device for flexible wheel shot blasting and storage medium |
| CN110864843B (en) * | 2019-10-23 | 2021-07-09 | 广州市昊志机电股份有限公司 | Impact force detection method, system and device for flexible wheel shot blasting and storage medium |
| CN111007715A (en) * | 2019-12-18 | 2020-04-14 | 汉腾汽车有限公司 | Autonomous lane changing method and system based on vehicle position and course |
| CN111220311A (en) * | 2020-02-16 | 2020-06-02 | 山东开泰智能抛喷丸技术研究院有限公司 | Detection apparatus for shot blasting dynamics is thrown to shot-blasting machine bullet |
| CN111220311B (en) * | 2020-02-16 | 2021-05-28 | 山东开泰智能抛喷丸技术研究院有限公司 | Detection apparatus for shot blasting dynamics is thrown to shot-blasting machine bullet |
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