SU991292A1

SU991292A1 - Device for disk ultrasonic inspection

Info

Publication number: SU991292A1
Application number: SU813325616A
Authority: SU
Inventors: Григорий Элеозорович Ариевич; Николай Тихонович Азаров; Григорий Хацкелевич Зеликман; Анатолий Иванович Исаев; Валерий Георгиевич Ломоносов; Владимир Максимович Дробчик; Иван Иванович Осипов
Original assignee: Предприятие П/Я М-5671; Предприятие П/Я А-1665
Priority date: 1981-08-04
Filing date: 1981-08-04
Publication date: 1983-01-23

Description

Изобретение относитс к ультразвуковой дефектоскопии и может быть использовано в различных област х маишностроени .This invention relates to ultrasonic flaw detection and can be used in various areas of computer engineering.

Известно устройство дл контрол изделий, содержащее датчик, установленный на каретке, имеющей привод возвратно-поступательного движени , записывающее устройство, св занное с датчиком электрически и кинематически , и узел прерывистой подачи издели tl . ,A device for controlling products is known, comprising a sensor mounted on a carriage having a reciprocating drive, a recording device connected to the sensor electrically and kinematically, and an intermittent feed assembly of the product tl. ,

Недостатком этого устройства вл етс низка производительность контрол , обусловленна конструкцией привода возвратно-поступательного движени .A disadvantage of this device is the low monitoring performance due to the design of the reciprocating drive.

Наиболее близким по технической сущности к изобретению вл етс устройство дл ультразвукового контрол дисков, содержащее вращающийс с.тол, ультразвуковой преобразователь , механизм перемещени преобразовател , дефектоскоп с блоком автоматической сигнализации дефектов (АСД), привод кинематически св занный со столом и механизмом перемещени преобразовател , и блок индикации. Причем выход преобразовател соединен с входом блока индикации 2 .The closest to the technical essence of the invention is a device for ultrasonic testing of disks, containing a rotating table, an ultrasonic converter, a displacement transducer mechanism, a flaw detector with an automatic defect signaling unit (ASD), a drive kinematically connected with the table and a displacement transducer mechanism, and display unit. Moreover, the output of the Converter is connected to the input of the display unit 2.

Недостатком зтого-устройства вл етс низка надежность расшифровки результатов контрол дисков сложной конструкции, обусловленна соединением выхода преобразовател с входом блока индикации, так как эта св зь не позвол ет однозначно рас10 шифровать истинные дефекты на краю контролируемой зоны. Сложна конструкци дисков, таких, например, как турбины покрывного типа, предполагает контроль только в некото15 рых зонах, при этом промежуточные зоны будут регистрироватьс как дефектные участки.The disadvantage of this device is the low reliability of decoding the results of monitoring disks of complex design, due to the connection of the converter output to the input of the display unit, since this connection does not allow unambiguously deciphering the true defects at the edge of the controlled area. The complex construction of discs, such as, for example, turbines of the coating type, implies control only in certain 15 zones, with the intermediate zones registering as defective areas.

Целью изобретени вл етс повышение надежности расшифровки резуль20 татов контрол дисков сложной ;4 ОНструкции .The aim of the invention is to increase the reliability of deciphering the results of monitoring disk drives with complex; 4 ON instructions.

Эта цель достигаетс тем, что устройство дл ультразвукового контрол дисков снабжено эталонным блоком, This goal is achieved by the fact that the device for ultrasonic testing of disks is equipped with a reference unit,

Claims

25 made in the form of an additional rotating table, kinematically connected with the main table with the possibility of synchronous rotation with r next, fixed on the additional table of the copier with the profile of the control zones and the sensor tracking the profile of the copier, the logical element I, whose inputs are connected in the exhaust of the unit The ADS and the sensor output monitor the profile of the copier, and the output is connected to the input of the display unit, and a synchronizer connected to the movement mechanism of the ultrasonic transducer, the reference unit and the unit diction The drawing shows a schematic diagram of a device for ultrasonic inspection of disks. The device contains a rotating table 1, an ultrasonic transducer 2, a mechanism 3 for moving the transducer 2, a defectoscope 4, an ADD unit 5 of the flaw detector 4, an actuator 6 and a display unit 7, a reference unit 8 that includes an additional rotating table 9 kinematically coupled with the main table 1 with the possibility of synchronous rotation with the latter, a copier 10 with a profile 11 control zones, mounted on an additional table 9, and a sensor 12 tracking the profile 11 of the copier 10. In addition, the device contains a logical element And 13 inputs of which Ina with the input of the ASD unit 5 and the output of the sensor 12 tracking the profile 11 of the copier 10, and the output connected to the input of the display unit 7, and the synchronizer 14 connected to the movement mechanism 3 of the ultrasonic transducer 2, the reference unit 8 and the display unit 7. The device for ultrasonic control of the disks works as follows. The controlled product 15, for example, a turbine disk of the covering type, is mounted on the table 1. The actuator 6 drives the rotating stage I together with the controlled product 15 and the mechanism 3 moves the converter 2 together with the converter 2. Additional table 9 with a fixed cam 10 on it the rotated product 15 rotates synchronously with the table 1, and the sensor 12 for tracking the profile 11 of the copier 10 moves synchronously with the converter 2 due to the synchronizer 14. With the ultrasonic converter 2 in the controlled zone 16 for example, in the weld zone, the sensor 12 for tracking the profile of the copier 10 is above the profile 11 of copier 10, which causes a signal in the reference block 8. In the presence of a defect in the control zone, the signal from the transducer 2 is fed through the flaw detector. 4 on block 5 ASD. The arrival on both inputs of the logic element And 13 signals from the unit 5 of the ASD and the reference unit 8 leads to the operation of the display unit 7, i.e. to the registration of the defect. If a signal arrives at only one input of the logic element AND 13 (if there is no defect in the control zone or when transducer 2 is located in the intermediate zone, the display unit 7 does not work. Thus, the described device for ultrasonic disk control increases the reliability of decoding the results of control of complex discs due to use of the reference block and the logical element AND, since at the end of the control only real defects will be recorded on the recording material. Method of the Device for Ultrasonic Testing of Disks, comprising a rotating table, an ultrasonic transducer, a displacement transducer mechanism, a flaw detector with an automatic defect signaling unit, a drive kinematically associated with the table and a transducer displacement mechanism, and an indication unit, characterized in that reliability of decoding the results of controlling disks of complex construction; it is equipped with a reference block made in the form of an additional rotating table, kinemat connected to the main table with the possibility of synchronous rotation with the latter, mounted on the additional table of the copier with the profile of the control zones and the sensor tracking the profile of the copier, the logical element I, the inputs of which are connected to the output of the automatic defect signaling unit and the output of the sensor tracking the profile of the copier and the output is connected to the input of the display unit and the synchronizer connected to the movement mechanism of the ultrasonic transducer, the reference unit and the display unit. Sources of information taken into account in the examination 1. USSR author's certificate 219850, cl. G 01 N 29/04, 1965.

2. USSR author's certificate number 396621, cl. G 01 M 29/04, 1970.