KR20030030115A - Coherence measuring device for cylinder liner - Google Patents
Coherence measuring device for cylinder liner Download PDFInfo
- Publication number
- KR20030030115A KR20030030115A KR1020010061776A KR20010061776A KR20030030115A KR 20030030115 A KR20030030115 A KR 20030030115A KR 1020010061776 A KR1020010061776 A KR 1020010061776A KR 20010061776 A KR20010061776 A KR 20010061776A KR 20030030115 A KR20030030115 A KR 20030030115A
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- South Korea
- Prior art keywords
- cylinder liner
- adhesion
- cylinder
- ultrasonic
- cylinder block
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/041—Analysing solids on the surface of the material, e.g. using Lamb, Rayleigh or shear waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/101—Number of transducers one transducer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/102—Number of transducers one emitter, one receiver
Abstract
Description
본 발명은 실린더라이너의 밀착성 측정장치에 관한 것으로서, 특히 실린더라이너와 실린더블럭의 접합부분에 초음파를 조사하고 그 반사파를 측정하여 실린더라이너와 실린더블럭의 밀착성을 측정하여 화면 출력하므로서, 생산된 실린더라이너와 실린더블럭의 밀착성을 정밀하게 측정할 수 있게되어 제품의 불량을 방지하고, 엔진의 성능향상 및 신뢰도를 한층 더 향상시킬 수 있도록 한 실린더라이너의 밀착성 측정장치에 관한 것이다.The present invention relates to an adhesion measuring device of a cylinder liner, and in particular, by applying ultrasonic waves to the joint portion of the cylinder liner and the cylinder block and measuring the reflected wave to measure the adhesion between the cylinder liner and the cylinder block, the produced cylinder liner And the adhesion of the cylinder liner to be able to accurately measure the adhesion of the cylinder block to prevent product defects, further improve the performance and reliability of the engine.
실린더라이너라 함은 원통형으로 형성되어 실린더블럭의 실린더 내벽면에 장착되어 피스톤의 왕복운동에 의해 발생하는 마찰열을 실린더블럭으로 전달하여 효과적으로 냉각시켜주는 기능을 하며, 또 피스톤의 고속 왕복운동에 의해 마모되었을때 실린더라이너 만을 교체하여 사용할 수 있도록 한 것이다.The cylinder liner is formed in a cylindrical shape and is mounted on the inner wall of the cylinder to transfer frictional heat generated by the reciprocating motion of the piston to the cylinder block to effectively cool it. When the cylinder liner is replaced, only the cylinder liner can be used.
이러한 실린더라이너와 실린더블럭 간의 밀착성(접합성) 상태가 불량하게되면, 실린더라이너와 실린더블럭간의 밀착성 저하에 따라 엔진 구동시 발생하는 진동에 의해 상기 밀착성이 좋지못한 부분의 실린더라이너가 파손되는 문제점이 발생하게되고, 또 실린더라이너와 실린더블럭간의 밀착성이 좋지못한 부분에 공간이 형성되므로서 피스톤과 실린더라이너 사이에 발생되는 열을 효과적으로 방출하지 못하게되며, 밀착성이 아주 불량한 곳에는 열집중현상이 발생하여 실린더라이너가 쉽게 파손되는 문제점이 발생하게 된다.If the adhesion (adhesion) state between the cylinder liner and the cylinder block is poor, a problem occurs in which the cylinder liner of the poor adhesion property is broken by vibration generated during engine operation due to the decrease in adhesion between the cylinder liner and the cylinder block. In addition, the space is formed at the poor adhesion between the cylinder liner and the cylinder block, so that the heat generated between the piston and the cylinder liner cannot be effectively released, and the heat concentration phenomenon occurs at the poor adhesion. The problem is that the liner is easily broken.
그러나, 종래에는 본 발명과같은 실린더라이너의 밀착성 측정장치가 제공되지 않았기 때문에 생산된 실린더라이너와 실린더블럭의 밀착성을 정확하게 측정하지 못하였고, 이에의해 실린더라이너와 실린더블럭 간의 밀착성 불량으로 발생되는 실린더라이너의 수명단축, 피스톤 과열, 실린더라이너 파손 등에 대해 효과적으로 대처하지 못하는 문제점이 발생하고 있었다.However, in the related art, since the adhesion measuring device of the cylinder liner as in the present invention was not provided, the adhesion between the produced cylinder liner and the cylinder block could not be accurately measured, and thus the cylinder liner generated due to poor adhesion between the cylinder liner and the cylinder block. There was a problem that can not effectively cope with the shortening of the life of the piston, overheating, damage to the cylinder liner.
따라서, 상기 문제점을 해결하기 위한 본 발명은 실린더라이너와 실린더블럭의 접합부분에 초음파를 조사하고 그 반사파를 측정하여 실린더라이너와 실린더블럭의 밀착성을 측정하여 화면 출력하므로서, 생산된 실린더라이너와 실린더블럭의 밀착성을 정밀하게 측정할 수 있게되어 제품의 불량을 방지하고, 엔진의 성능향상 및 신뢰도를 한층 더 향상시킬 수 있도록 한 실린더라이너의 밀착성 측정장치를 제공함을 목적으로 한다.Therefore, the present invention for solving the above problems is to produce a cylinder liner and cylinder block produced by outputting the screen by measuring the adhesion between the cylinder liner and the cylinder block by irradiating the ultrasonic wave to the junction of the cylinder liner and the cylinder block and measuring the reflected wave It is an object of the present invention to provide a cylinder liner adhesion measuring device capable of precisely measuring the adhesion of the product to prevent product defects and to further improve engine performance and reliability.
도 1 은 본 발명의 실린더라이너의 밀착성 측정장치를 보인 블럭도.1 is a block diagram showing the adhesion measuring device of the cylinder liner of the present invention.
도 2 는 본 발명에 적용된 탐촉자와 초음파리시버의 연결상태를 보인 도면.2 is a view showing a connection state of the transducer and the ultrasonic receiver applied to the present invention.
도 3 은 본 발명에 적용된 탐촉자를 펄서와 리시버로 분리하여 사용할때의 연결상태를 보인 도면.3 is a view showing a connection state when using the transducer applied to the present invention separated into a pulser and a receiver.
도 4 는 본 발명에 적용된 A/D변환부와 초음파리시버의 연결상태를 보인 도면.4 is a view showing a connection state of the A / D conversion unit and the ultrasonic receiver applied to the present invention.
도 5 는 탐촉자의 설치상태를 보인 도면.5 is a view showing the installation state of the transducer.
도 6 은 탐촉자의 동작궤도를 보인 도면.6 is a view showing the trajectory of the transducer.
도 7 은 표시부를 통해 제공되는 측정결과 출력을 위한 메인화면을 보인 도면.7 is a diagram illustrating a main screen for outputting a measurement result provided through a display unit;
도 8 은 메인화면을 통한 측정결과의 출력예를 보인 도면.8 is a view showing an example of the output of the measurement results through the main screen.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
1 : 탐촉자 2 : 펄서1: probe 2: pulsar
3 : 리시버 4 : 초음파리시버3: receiver 4: ultrasonic receiver
5 : A/D변환부 6 : 제어부5: A / D converter 6: controller
7 : 메모리 8 : 표시부7 memory 8 display unit
9 : 구동부 10 : 모터9 drive unit 10 motor
11 : 실린더블럭 12 : 실린더라이너11 cylinder block 12 cylinder liner
13 : 오실로스코프13: oscilloscope
첨부된 도면 도 1 내지 도 8 은 상기 목적달성을 위한 본 발명을 도시한 것으로서 이 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.1 to 8 illustrate a preferred embodiment of the present invention with reference to the drawings as showing the present invention for achieving the above object as follows.
도 1 은 본 발명의 실린더라이너의 밀착성 측정장치를 도시한 것으로서,1 is a view showing the adhesion measuring device of the cylinder liner of the present invention,
실린더블럭(11)에 결합되어 있는 실린더라이너(12)의 상측에 위치하며, 실린더라이너 측으로 초음파를 방사하고, 그에대한 반사파를 수신하여 초음파리시버(4)로 공급하는 탐촉자(1)와;A probe (1) positioned above the cylinder liner (12) coupled to the cylinder block (11), radiating ultrasonic waves toward the cylinder liner side, and receiving reflected waves thereto and supplying them to the ultrasonic receiver (4);
상기 탐촉자(1)로부터 공급되는 반사파를 수신하여 A/D변환부(5)로 공급하는 초음파리시버(4)와;An ultrasonic receiver 4 for receiving the reflected wave supplied from the probe 1 and supplying the reflected wave to the A / D converter 5;
상기 초음파리시버(4)로 수신되는 초음파 반사파를 파형으로 표시하는 오실로스코프(13)와;An oscilloscope (13) for displaying an ultrasonic reflected wave received by the ultrasonic receiver (4) as a waveform;
초음파 리시버(4)로부터 공급되는 반사파를 디지탈신호로 변환시키는 A/D변환부(5)와;An A / D converter 5 for converting the reflected wave supplied from the ultrasonic receiver 4 into a digital signal;
상기 A/D변환부(5)에서 공급되는 디지탈신호를 신호처리하여 실린더블럭과 실린더라이너의 밀착성을 측정한 결과화면을 구성하여 화면출력하는 제어부(6)와;A control unit 6 for signal-processing the digital signal supplied from the A / D converter 5 to form a result screen of measuring the adhesion between the cylinder block and the cylinder liner and outputting the screen;
상기 제어부(6)에 의해 구성된 측정화면을 출력하는 표시부(8)와;A display unit 8 for outputting a measurement screen configured by the control unit 6;
상기 제어부(6)의 신호처리에 필요한 응용프로그램을 저장하는 메모리(7)와;A memory 7 for storing an application program for signal processing of the controller 6;
상기 탐촉자(1)가 정속도로서 실린더라이너(12)의 상면을 회전할 수 있도록 모터(10)를 구동시키는 구동부(9)와;A drive unit 9 for driving the motor 10 so that the transducer 1 can rotate the upper surface of the cylinder liner 12 at a constant speed;
상기 구동부(9)의 제어에 따라 구동하여 탐촉자(1)를 지정된 궤도에 따라 회전시키는 모터(10); 로 구성된 것을 특징으로 한다.A motor (10) for driving under the control of the drive unit (9) to rotate the transducer (1) according to a specified trajectory; Characterized in that consisting of.
그리고, 상기 탐촉자(1)는,And, the transducer 1,
초음파를 실린더라이너(12)와 실린더블럭(11)의 접합면을 향해 조사하는 펄서(2)와, 상기 펄서(2)에서 출력되어 실린더라이너(12)의 접합면에서 반사되는 반사파를 수신하여 초음파 리시버(3)로 공급하는 리시버(3)로 구성된 것을 특징으로 한다.Ultrasonic wave is received by the pulser 2 for irradiating the ultrasonic wave toward the joint surface of the cylinder liner 12 and the cylinder block 11, and the reflected wave output from the pulser 2 and reflected from the joint surface of the cylinder liner 12. It is characterized by consisting of a receiver (3) supplied to the receiver (3).
또한 상기 제어부(6)는 실린더라이너의 접합면에서 반사된 반사파를 이용하여 0°~360°에 이르는 실린더라이너(12)의 접합면 밀착성을 파형으로 표시하되, 각각의 실린더에 장착되어 있는 실린더라이너의 밀착성을 각기 다른 표시영역에 표시하는 것을 특징으로 한다.In addition, the control unit 6 displays the bonding surface adhesion of the cylinder liner 12 ranging from 0 ° to 360 ° using a reflected wave reflected from the bonding surface of the cylinder liner, but the cylinder liner mounted to each cylinder. It is characterized in that the adhesion of the display in different display areas.
상기한 구성요소들은 개인용 컴퓨터의 메인보드에 장착하여 사용하며, 표시부(8)는 컴퓨터의 모니터를 사용하는 것이 바람직하다.The above components are mounted on a main board of a personal computer and used, and the display unit 8 preferably uses a computer monitor.
도 2 는 상기 구성된 초음파리시버(4)에 탑촉자(1)를 연결하는 것을 도시한 것으로서,FIG. 2 shows the connection of the top contactor 1 to the configured ultrasonic receiver 4,
초음파리시버(4)에 4개의 콘넥터(41~44)(Pulse, Rec.in, Sig Out, Sync)가 형성되어 있고, 이중 제 1 콘넥터(41)에 탐촉자(1)를 연결하며, 제 3 콘넥터(43)와 제 4 콘넥터(44)에 오실로스코프(13)를 각각 연결한다.Four connectors 41 to 44 (Pulse, Rec. In, Sig Out, Sync) are formed in the ultrasonic receiver 4, and the transducer 1 is connected to the first connector 41, and the third connector The oscilloscope 13 is connected to the 43 and the fourth connectors 44, respectively.
상기 탐촉자(1)는 실린더라이너(12)와 실린더블럭(11)의 접합면 상측에 설치되어 상기 접합면을 향해 초음파를 출력하고, 그 접합면으로부터 반사된 반사파를 수신하여 제 1 콘넥터(41)를 통해 호음파리시버(4)로 공급한다.The transducer 1 is installed above the joining surface of the cylinder liner 12 and the cylinder block 11 and outputs ultrasonic waves toward the joining surface, and receives the reflected wave reflected from the joining surface. It feeds through the horn fly receiver (4).
도 3 은 탐촉자(1)를 펄서(2)와 리시버(3)로 분리하여 사용하는 경우를 도시한 것으로서,FIG. 3 illustrates a case where the transducer 1 is separated and used as a pulser 2 and a receiver 3,
초음파를 출력하는 펄서(2)를 제 1 콘넥터(41)에 연결하고, 상기 펄서(2)에서 출력된 후 실린더라이너(12)와 실린더블럭(11)의 접합면으로부터 반사되는 반사파를 수신하는 리시버(3)를 제 2 콘넥터(42)에 연결한 것이다.A receiver for connecting the pulser 2 for outputting the ultrasonic wave to the first connector 41 and receiving the reflected wave reflected from the joint surface of the cylinder liner 12 and the cylinder block 11 after being output from the pulser 2. (3) is connected to the second connector 42.
상기와같이 구성하면 펄서(2)에서 조사된 초음파가 실린더라이너(12)와 실린더블럭(11)의 접합면에서 반사되고, 이 반사파가 리시버(3)에 수신되어 초음파리시버(4)로 공급된다.With the above configuration, the ultrasonic waves irradiated from the pulser 2 are reflected at the joint surface of the cylinder liner 12 and the cylinder block 11, and the reflected waves are received by the receiver 3 and supplied to the ultrasonic receiver 4. .
도 4 는 본 발명에 적용된 초음파리시버(4)와 A/D변환부(5)의 연결관계를 도시한 것으로서,4 is a view illustrating a connection relationship between the ultrasonic receiver 4 and the A / D converter 5 applied to the present invention.
초음파리시버(4)의 제 1 콘넥터(41)에 탐촉자(1)가 연결되어 있고, 초음파리시버(4)의 신호출력단자인 제 3 콘넥터(43)(RF Out)를 A/D변환부(5)의 channel A에 연결하여 탐촉자(1)로부터 공급된 반사파가 A/D변환부(5)로 공급되도록 하며, 초음파리시버(4)의 동기단자인 제 4 콘넥터(44)를 A/D변환부(5)의 트리거(Trigger)단자에 접속하여 초음파리시버(4)와 A/D변환부(5)가 동기되도록 하였다.The transducer 1 is connected to the first connector 41 of the ultrasonic receiver 4, and the A / D converter 5 is connected to the third connector 43 (RF Out), which is a signal output terminal of the ultrasonic receiver 4; Is connected to the channel A of the A) so that the reflected wave supplied from the transducer 1 is supplied to the A / D converter 5, and the fourth connector 44, which is a synchronous terminal of the ultrasonic receiver 4, is connected to the A / D converter. The ultrasonic terminal 4 and the A / D converter 5 are synchronized by connecting to the trigger terminal of (5).
도 5 는 탐촉자(1)의 설치상태를 도시한 것으로서,5 shows an installation state of the transducer 1,
실린더라이너(12)와 실린더블럭(11)의 접합면 상측에 탐촉자(1)를 설치하며, 상기 탐촉자(1)는 미도시된 별도의 지그장치에 의해 실린더라이너(12)의 상측에 위치하도록 한다.The transducer 1 is installed on the upper surface of the cylinder liner 12 and the cylinder block 11, and the transducer 1 is positioned above the cylinder liner 12 by a separate jig device. .
도 6 은 탐촉자(1)가 실린더라이너(12)와 실린더블럭(11)의 접합면 측정을 위해 미리 설정된 궤도를 따라 회전이동하는 것을 도시한 것으로서,FIG. 6 shows that the transducer 1 rotates along a predetermined trajectory for measuring the joint surface of the cylinder liner 12 and the cylinder block 11.
탐촉자(1)는 모터(10)로부터 공급되는 동력으로 미리 설정된 궤도를 따라서 상기 도면과같이 일정속도로 회전하게된다.The transducer 1 is rotated at a constant speed as shown in the drawing along a preset trajectory by the power supplied from the motor 10.
상기 궤도를 따라 회전하면서 탐촉자(1)는 실린더라이너(12)와실린더블럭(11)의 접합면을 향해 초음파를 출력하게되고, 상기 접합면으로부터 반사되는 반사파는 다시 수신하여 초음파리시버(4)로 공급하는 것이다.While rotating along the trajectory, the transducer 1 outputs ultrasonic waves toward the joint surface of the cylinder liner 12 and the cylinder block 11, and the reflected wave reflected from the joint surface is received again to the ultrasonic receiver 4. To supply.
도 7 은 상기 탐촉자(1)에 의해 측정된 반사파를 제어부(6)가 신호처리하여 표시부(8)를 통해 출력하게되는 메인화면을 도시한 것으로서,FIG. 7 illustrates a main screen in which the control unit 6 signals the reflected wave measured by the transducer 1 and outputs it through the display unit 8.
상기 메인화면에는 6개의 실린더에 설치되는 각각의 실린더라이너와 실린더블럭 간의 밀착성을 표시하기위한 표시영역(D)이 독립적으로 표시되어 있고, 각각의 표시영역(D)에는 탐촉자(1)에 의해 측정된 밀착성을 색깔별로 표시한다.In the main screen, a display area D for displaying the adhesion between each cylinder liner and the cylinder block installed in the six cylinders is independently displayed, and each display area D is measured by the probe 1. Marked adhesion by color.
이와같이 구성된 본 발명의 동작을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above is as follows.
측정대상이 되는 실린더라이너(12)가 설치된 실린더블럭(11)을 본 발명의 장치에 위치시킨 후 탐촉자(1)가 실린더라이너(12)와 실린더블럭(11)의 접합면에 위치하도록 한다.After positioning the cylinder block 11 provided with the cylinder liner 12 to be measured in the apparatus of the present invention, the transducer 1 is positioned at the joint surface of the cylinder liner 12 and the cylinder block 11.
이상태에서 미도시된 구동스위치를 온시키면, 제어부(6)의 제어에 따라 구동부(9)가 구동하여 모터(10)를 정속도로 회전시키고, 상기 모터(10)에서 발생하는 동력에 의해 탐촉자(1)가 도 5 에 도시된 바와같이 실린더라이너(12)와 실린더블럭(11)간의 접합면을 따라 원궤적을 그리며 이동하게된다.In this state, when the drive switch is not shown, the drive unit 9 is driven under the control of the control unit 6 to rotate the motor 10 at a constant speed, and the transducer 1 is driven by the power generated by the motor 10. As shown in FIG. 5, the circular line moves along the joint surface between the cylinder liner 12 and the cylinder block 11.
또한, 상기 탐촉자(1)는 접합면을 따라 이동하면서 접합면을 향해 초음파를 출력하고, 그 접합면으로부터 반사되는 반사파를 다시 수신하여 초음파리시버(4)로 공급하며, 상기 초음파리시버(4)는 탐촉자(1)로부터 공급되는 반사파를 A/D변환부(5)로 공급한다.In addition, the transducer 1 outputs ultrasonic waves toward the joint surface while moving along the joint surface, receives the reflected wave reflected from the joint surface again, and supplies the ultrasonic wave to the ultrasonic receiver 4, wherein the ultrasonic receiver 4 is The reflected wave supplied from the transducer 1 is supplied to the A / D converter 5.
상기 A/D변환부(5)는 입력되는 반사파를 디지탈신호로 변환시켜 제어부(6)로공급하고, 상기 제어부(6)는 메모리(7)에 저장되어있는 각종 응용프로그램, 예를들면, 초음파 신호를 수집하는 제어계측용 프로그램, A-Scan, C-Scan, Digital Signal Processing, Image Processing 기능을 가지는 프로그램을 이용하여 A/D변환부(5)로부터 공급되는 반사파를 신호처리하여 실린더라이너(12)와 실린더블럭(11) 간의 밀착성을 측정하여 파형으로서 편집하게된다.The A / D converter 5 converts an input reflected wave into a digital signal and supplies the converted signal to the controller 6, and the controller 6 supplies various applications stored in the memory 7, for example, ultrasonic waves. The cylinder liner 12 is subjected to signal processing of the reflected wave supplied from the A / D converter 5 by using a control measurement program for collecting signals, a program having A-Scan, C-Scan, Digital Signal Processing, and Image Processing functions. ) And the adhesion between the cylinder block 11 is measured as a waveform.
즉, 제어부(6)는 실린더라이너(12)와 실린더블럭(11) 간의 밀착성이 높은 곳에서는 파동전달율이 상대적으로 높고, 밀착성이 낮은 곳에서는 파동 전달율이 상대적으로 낮은 것을 이용하여 상기 반사파로서 실린더라이너(12)와 실린더블럭(11) 간의 밀착성을 측정하게되며, 그 측정결과를 도 8 과같은 파형으로 표현하여 표시부(8)를 통해 출력한다.That is, the controller 6 uses the cylinder liner as the reflected wave using a wave transmission rate of relatively high where the adhesion between the cylinder liner 12 and the cylinder block 11 is high and a wave transmission rate of which is relatively low where the adhesion is low. The adhesion between the cylinder 12 and the cylinder block 11 is measured, and the measurement result is expressed by a waveform as shown in FIG. 8 and output through the display unit 8. FIG.
상기 도 8 에서는 표시영역(D)에 표시되는 파형을 진하기로서 표시하였으나, 실제 모니터 화면상에는 밀착성의 높고 낮음에 따라 색깔을 구분하여 표시한다.In FIG. 8, the waveform displayed in the display area D is displayed as dark, but colors are displayed on the actual monitor screen according to high and low adhesion.
예를들어, 밀착도가 아주 높음에서 점차 낮아짐에 따라 색깔이 적색, 청색, 노란색, 파란색 등으로 변화되도록 하여 작업자가 밀착도가 낮은 부분을 한눈에 알아볼 수 있도록 한다.For example, as the degree of adhesion decreases from very high to gradually decrease, the color changes to red, blue, yellow, blue, etc., so that the operator can recognize the low adhesion portion at a glance.
또한 상기 표시영역(D)의 시작부분이 처음 탐촉자(1)가 위치한 곳이며, 이후 0°~360°에 대응하는 위치의 밀착도가 표시영역(D)에 모두 표시되므로서, 작업자가 밀착도가 낮은 부분의 위치를 정확히 판단할 수 있게되어 제품의 불량여부를 판단할 수 있게된다.In addition, the beginning of the display area (D) is where the first transducer (1) is located, and since the adhesion of the positions corresponding to 0 ° to 360 ° are all displayed on the display area (D), the operator has low adhesion. It is possible to determine the position of the part accurately it is possible to determine whether the product is defective.
이상에서 설명한 바와같이 본 발명은 실린더라이너와 실린더블럭의 접합부분에 초음파를 조사하고 그 반사파를 측정하여 실린더라이너와 실린더블럭의 밀착성을 측정하여 화면 출력하므로서, 생산된 실린더라이너와 실린더블럭의 밀착성을 정밀하게 측정할 수 있게되어 제품의 불량을 방지하고, 엔진의 성능향상 및 신뢰도를 한층 더 향상시킬 수 있도록 한 실린더라이너의 밀착성 측정장치를 제공하는 효과를 기대할 수 있다.As described above, according to the present invention, the adhesion between the cylinder liner and the cylinder block is produced by irradiating ultrasonic waves to the joint portion of the cylinder liner and the cylinder block, measuring the reflected wave, and measuring the adhesion between the cylinder liner and the cylinder block. It is possible to expect the effect of providing an adhesion measuring device of the cylinder liner to be able to measure precisely to prevent product defects and to further improve the performance and reliability of the engine.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010061776A KR20030030115A (en) | 2001-10-08 | 2001-10-08 | Coherence measuring device for cylinder liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010061776A KR20030030115A (en) | 2001-10-08 | 2001-10-08 | Coherence measuring device for cylinder liner |
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| KR20030030115A true KR20030030115A (en) | 2003-04-18 |
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| KR1020010061776A KR20030030115A (en) | 2001-10-08 | 2001-10-08 | Coherence measuring device for cylinder liner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100497501B1 (en) * | 2002-11-29 | 2005-07-01 | (주)오리엔트전산 | Detection Method for Defect of piston gallery and The apparatus used thereto |
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|---|---|---|---|---|
| JPS5991364A (en) * | 1982-11-17 | 1984-05-26 | Hihakai Kensa Kk | Non-destructive inspection of lining section |
| JPS63159730A (en) * | 1986-12-24 | 1988-07-02 | Mitsubishi Heavy Ind Ltd | Cylinder lubricity evaluating device for piston engine |
| JPH0442011A (en) * | 1990-06-06 | 1992-02-12 | Jgc Corp | Method for measuring thickness of thin layer using ultrasonic wave |
| JPH0814099A (en) * | 1994-06-23 | 1996-01-16 | Mitsubishi Heavy Ind Ltd | Cylinder liner wear amount measuring device |
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2001
- 2001-10-08 KR KR1020010061776A patent/KR20030030115A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5991364A (en) * | 1982-11-17 | 1984-05-26 | Hihakai Kensa Kk | Non-destructive inspection of lining section |
| JPS63159730A (en) * | 1986-12-24 | 1988-07-02 | Mitsubishi Heavy Ind Ltd | Cylinder lubricity evaluating device for piston engine |
| JPH0442011A (en) * | 1990-06-06 | 1992-02-12 | Jgc Corp | Method for measuring thickness of thin layer using ultrasonic wave |
| JPH0814099A (en) * | 1994-06-23 | 1996-01-16 | Mitsubishi Heavy Ind Ltd | Cylinder liner wear amount measuring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100497501B1 (en) * | 2002-11-29 | 2005-07-01 | (주)오리엔트전산 | Detection Method for Defect of piston gallery and The apparatus used thereto |
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