KR20080065862A - Performance testing system of seal ring for automatic transmission - Google Patents

Abstract

A performance test system of a seal ring for an automatic transmission is provided to compare performance values of a seal ring to be tested and an existing product with each other at a glance. A performance test system of a seal ring for an automatic transmission includes a measurement member(100), a motor driving member(200), an air supply member(300), an oil supply member(400), a power supply member(500), and a control member(600). The motor driving member is connected to the measurement member, rotates a jig(20) for testing the seal ring, and applies predetermined torque. The control member controls the operation of each member. The control member reads measured values and displays or stores the result of the performance test.

Description

PERFORMANCE TESTING SYSTEM OF SEAL RING FOR AUTOMATIC TRANSMISSION}

1 is an overall configuration diagram of a performance measurement system of an automatic transmission seal according to the present invention;

Figure 2 is a detailed configuration diagram of the measuring means of the performance measurement system of the automatic transmission sealing according to the present invention,

3 is a detailed configuration diagram of the motor driving means of the performance measurement system of the automatic transmission seal according to the present invention;

4 is a detailed configuration diagram of the air supply means of the performance measurement system of the seal for automatic transmission according to the present invention;

5 is a detailed configuration diagram of the oil supply means of the performance measurement system of the automatic transmission sealing according to the present invention,

6 is a detailed block diagram of the control means of the performance measurement system of the automatic transmission seal according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: sealing test jig 11: sealing groove

20: first sealing 21: second sealing

100: measuring means 110: jig case

121: temperature sensor 122: jig heating heater

200: motor driving means 210: main motor

220: torque device 230: bearing spindle

240: oil control unit 300: air supply means

310: compressed air input unit 320: oil mist separator

330: air dryer 340: regulator

350: first valve 360: second valve

400: oil supply means 410: oil supply tank

420: oil supply pump 430: oil circulation pump

440: pilot oil supply tank 450: pilot oil supply pump

500: power supply means 600: control means

610: key operation unit 620: computer

630: display unit 640: printing unit

650: driving unit 660: measuring unit

The present invention relates to a system for measuring the performance of a seal (seal ring) mounted in the transmission of the vehicle, and more particularly, after manufacturing a separate seal test jig to measure the seal, After mounting a pair of left and right seals and sealingly mounting the sealing test jig to the measuring means, the jig is added to the test chain while controlling the rotation of the jig, environment (temperature), and supply and control of air and oil. It measures various performances such as rapid durability, maximum surface pressure durability, internal pressure, contamination level, hydraulic response, rotational friction, dry test, leakage condition, creep test, etc. The performance measurement system of the sealing for automatic transmissions allows to compare the performance (measurement) values of at a glance.

As is well known, a transmission is a transmission that converts power generated by various engines into a required rotational force according to a speed and is a very important component of a vehicle.

The transmission is equipped with a plurality of seals to prevent leakage of the supplied oil, etc., the performance of the seal performs an important function that determines the performance of the transmission itself.

However, in the past, there was no device for measuring the performance of such a seal. In Korea, there was no environment in which the performance of a foreign company could be compared with that of a foreign company. It was.

Therefore, knowing how much the performance of the seals currently manufactured in Korea can give a competitive edge to the product, and now such a sealing measuring device is desperately required.

The present invention was made under the above-mentioned background, and an object of the present invention is to manufacture a separate sealing test jig to measure the performance of a seal ring mounted inside a transmission of a vehicle, and then, When a pair of seals are mounted and the sealing test jig is sealed to the measuring means, the jig is subjected to acceleration / deceleration, environment (temperature) adjustment, air and oil supply and control, and Durability, maximum surface pressure durability, internal pressure, degree of contamination, hydraulic response, rotational friction, dry test, leakage condition, creep test, etc. It is to provide a performance measurement system of the sealing for automatic transmissions so that the (measurement) values can be compared at a glance.

The present invention for achieving the above object is a plurality of sealing grooves formed on the outer periphery of the body by mounting a seal ring test jig in which a plurality of the first and second seals to be inspected by inserting the interior mounted therein Measuring means for measuring the performance of acceleration and deceleration of the first and second seals, maximum surface pressure durability, internal pressure, contamination, hydraulic response, rotational friction, dry, oil leakage, creep, and the like; Is connected to the rotational driving jig for the sealing test, the motor driving means to give a constant torque, and the air to supply the air controlled by the sealing test jig of the measuring means to test the performance of the sealing Supply means, oil supply means for supplying the oil controlled by the sealing test jig of the measuring means to test the performance of the sealing; Controlling the operation of the each part and a power supply means for supplying, and, for reading the measured value, characterized in that the means of control, including to display or store the result of the performance of the seal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram of a system for measuring performance of an automatic transmission seal according to the present invention.

As shown, in the performance measurement system of the automatic transmission seal according to the present invention, a plurality of first seals 20 and second seals 21 which are inspected objects are inserted into a plurality of seal grooves 11 formed on the outer circumference of the body. The sealing test jig 10 is manufactured, and the sealing test jig 10 is mounted on the measuring means 100 to measure various performances and durability of the sealing 20.

The sealing test jig 10 has a structure in which the inner jig 10 shown in FIG. 1 and the outer jig not shown are combined and mounted to the measuring means 100, ① durability test during acceleration and deceleration, and ② maximum surface pressure. Durability test, ③ pressure test, ④ pollution test, ⑤ hydraulic response test, ⑥ rotary friction test, ⑦ dry test, ⑧ oil leakage test, ⑨ creep test, etc.

 Therefore, the performance measurement system of the automatic transmission sealing according to the present invention is equipped with a sealing test jig 10 in which the first and second seals 20 and 21, which are the inspected object, are mounted therein so as to mount the first and second seals. Measuring means (100) for measuring the performances of acceleration and deceleration (20, 21), maximum surface pressure durability, internal pressure, contamination, hydraulic responsiveness, rotational friction, dry, oil leakage, creep, and the like; The motor driving means 200 is connected to the measuring means 100 and rotates the sealing test jig 20 and gives a constant torque, and the sealing test jig 20 of the measuring means 100. Air supply means (300) for supplying controlled air to the test to test the performance of the seal, and the oil supplied to the sealing test jig (20) of the measuring means (100) to supply the Oil supply means 400 to test the performance, and operating power to each part It includes a power supply means for supplying a 500, and a control means for controlling the operation of each part, and reading or reading the measured value to display or store the results of the performance of the sealing.

Figure 2 is a detailed configuration of the measuring means of the performance measurement system of the seal for automatic transmission according to the present invention.

As shown, the measuring means 100 is connected to the motor driving means 200, and includes a jig case 110 into which the sealing test jig 10 is inserted.

The sealing test jig 10 is inserted into the jig case 110, and the sealing test jig 10 is completely sealed using the cover 111 of the jig case 110.

In addition, an air supply pipe supplied from the air supply means 300 and an oil supply pipe supplied from the oil supply means 400 are connected to the outer circumferential surface of the jig case 110, and a plurality of oil leakage pipes 113 are provided on the other side. A plurality of beakers 115 are installed to allow leakage of oil generated inside the jig case 110 to flow down.

A reference numeral 114 denotes a leakage oil open / close valve, and the sealing test jig 10 maintains the temperature at a constant level by applying heat to the jig temperature sensor 12 for detecting the temperature of the jig 10 and the jig 10. Jig heating heater 122 is further installed.

In addition, the measuring means 200 is configured in the chamber 130 of the closed space provided with a chamber door 131 on the front. The chamber 130 is further provided with a chamber temperature sensor 132 for detecting the internal temperature of the chamber.

 Figure 3 is a detailed configuration of the motor drive means of the performance measurement system of the seal for automatic transmission according to the present invention.

As shown, the motor driving means 200 is a DC motor having a positive torque characteristic to the main motor 210 for rotationally driving the sealing test jig 10, and to detect the speed of the main motor 210 A first disc coupled to the speed detecting sensor 211 and the shaft of the main motor 210 to partially offset the mechanical error and vibration generated by the driving force transmission by the integral disk coupling having great torsional rigidity and excellent mobility. A torque device 220 connected to the coupling 212 and the first coupling 212 to implement stable torque value, excellent mounting stability and durability, zero speed automatic correction, and stable output at low speed; A torque sensor 221 for detecting the rotational torque of the torque device 220, a torque speed detection sensor 222 for detecting the rotational speed of the drive shaft of the torque device 220, and a tip portion of the torque device 220; Second coupling 223 connected to the And a bearing connected to the distal end of the second coupling 223 and configured as an integral disk coupling and a high precision bearing to connect and support the shaft for transmitting the driving force generated by the main motor 210. And a spindle 230.

The bearing spindle 230 has an oil tank 241 for storing and managing a predetermined amount of bearing oil supplied to a bearing lubrication device configured therein, and is connected to the oil tank 241 to supply compressed air to a bearing lubrication device. A solenoid valve 242 for controlling whether or not, a regulator 243 connected to the solenoid valve 242 for precisely adjusting the pressure of the compressed air supplied to the bearing lubrication device, and controlling the operation of the bearing lubrication device. The oil control unit 240 further includes.

Figure 4 is a detailed configuration of the air supply means of the performance measurement system of the seal for automatic transmission according to the present invention.

As shown, the air supply means 300 is composed of an air filter 311, a regulator 312, a lubricator (313), a pressure gauge 314 and a pressure switch 315, the compression supplied to the equipment The compressed air input unit 310 that controls the pressure of the air constantly and manages the cleanliness of the compressed air, and removes the oil mist (mist) of the compressed air output from the compressed air input unit 310 and the rust of 0.3 micron or more An oil mist separator 320 for removing particulate solids such as carbon, a residual pressure relief valve 321 for removing residual pressure of compressed air remaining on a supply line, and a low pressure supplied to the equipment at a high pressure suitable for test conditions. It is included in the booster valve 322 for boosting, the air tank 323 for storing and managing a predetermined amount of the boosted compressed air output from the booster valve 322, and the compressed air output from the air tank 323. The air dryer 330 to remove the moisture to increase the dry state of the compressed air, and if the operation of the air dryer 330 is not smooth closing the closing valve formed in the input and output terminal of the air dry 330, Bypass valve 331 for supplying compressed air through the bypass line side, regulator 340 for precisely adjusting the pressure of the supplied compressed air, and the pressure of the compressed air supplied through the regulator 340 The first seal (L) on the left side of the sealing test jig 10 of the jig case 110 of the measuring means 100 of the pressure detector 341 and the compressed air supplied through the pressure detector 341. Right side (R) of the sealing test jig 10 of the jig case 110 of the measuring means 100 of the first opening and closing valve 350 and the compressed air supplied through the pressure detector 341 to the 20) side. The second opening and closing valve 360 is supplied to the second sealing 21 side.

Figure 5 is a detailed configuration of the oil supply means of the performance measurement system of the seal for automatic transmission according to the present invention.

As shown, the oil supply means 400 of the present invention, the oil supply tank 410 for storing and managing a predetermined amount of oil to be supplied to the sealing test jig 10, and the oil temperature in the oil supply tank 410 A temperature sensor 411 for detecting and displaying a level switch, a level switch 412 for detecting and displaying an amount of oil in the oil supply tank 410, and an oil in the oil supply tank 410 as a circulating action of cooling water. A water cooler 414 for cooling, an electric heater 415 for heating oil in the oil supply tank 410 to a constant temperature, and a valve 416 for controlling the presence or absence of cooling water to the water cooler 414; , An oil supply pump 420 for supplying the oil of the oil supply tank 410 to the supply line, a pressure filter 421 for removing foreign substances from the oil supplied on the supply line and displaying a time of exchange, and a sealing test. To detect the pressure of the oil supplied to the jig 10 for A pressure sensor 422, an on / off valve 423 for controlling whether oil is supplied to the sealing test jig 10, a circulation pump 430 for circulating oil in the oil supply tank 410, and oil It includes a return filter 431 for removing the foreign matter of the oil recovered to the oil supply tank 410 in the supply line of the and marks the point of replacement.

In addition, a pilot oil supply tank 440 for storing and managing a predetermined amount of pilot oil, a temperature sensor 441 for detecting and displaying an oil temperature in the pilot oil supply tank 440, and the pilot oil supply tank 440. Level switch 442 for detecting and displaying the amount of oil in the tank), a water cooler 443 for cooling the oil in the pilot oil supply tank 440 by circulating coolant, and the water cooler 443 A valve 444 for controlling the supply of cooling water, a pilot oil supply pump 450 for supplying oil from the pilot oil supply tank 440 to the pilot line, and a pressure gauge for displaying the oil pressure supplied to the pilot line. (451), the servovalve 452 for controlling the pressure of the oil supplied in order to control the logic system in proportion to the input current, the foreign matter of the oil supplied on the pilot line, and the time of replacement. A filter 453, and a switching valve 454 for controlling whether or not to supply oil to the pilot line further comprises.

6 is a detailed block diagram of the control means of the performance measurement system of the automatic transmission seal according to the present invention.

As shown, the control means 600 according to the present invention is a key operation unit 610 for performing various functions and setting key input for testing the performance of the sealing (20, 21), and of the key operation unit 610 A computer 620 for driving the driving device of each means in accordance with a key input, calculating the performance of the tested sealing by receiving the measured value from the measuring means 100, and displaying, printing and storing the computer 620; A display unit 630 for driving various outputs of the test and the result display, a printing unit 640 for printing various test results of the tested seal according to the output of the computer 620, and The driving unit 650 for driving the driving device of each means in accordance with the output of the computer 620, and the measuring unit 660 for transmitting various experimental measurement data detected from the measuring means 100 to the computer 620 Include.

The computer 620 performs the following test.

① Durability test during acceleration and deceleration

The endurance test is selected during acceleration and deceleration through the key input unit 610.

At this time, the internal temperature of the chamber 132 of the measuring means 100, the oil temperature and oil pressure of the oil supply means 400, the sealing test jig 10 temperature of the measuring means 100, air through the measuring unit 660 The air pressure of the supply means 300, the rotation speed and the torque value of the main motor 210 of the motor driving means 200 is input.

The internal temperature of the chamber 132 by the chamber temperature sensor 132 of the measuring means 100, the oil temperature and oil pressure by the temperature sensor 411 and the pressure sensor 422 of the oil supply means 400, The temperature of the sealing test jig 10 is controlled by the jig temperature sensor 121 of the measuring means 100, and the air pressure is controlled by the pressure detector 341 of the air supply means 300. And the torque value is detected by the speed detection sensor 211 and the torque sensor 221 of the motor driving means 200.

The computer 620 reads the values, displays the current values on the display unit 630, and if there is a key setting input for the condition to be tested from the key operation unit 610, the computer 620 returns to the drive unit 650 to meet the conditions. Outputs to drive the devices of each means to maintain the conditions.

When such test conditions are completed, the test is started, and after completion of the test, the results, that is, the thickness wear amount, the height wear amount and the milling amount of the first seal 20 and the second seal 21 are displayed. It is displayed as a result and can be compared with each other.

 Therefore, the result of the endurance test when the acceleration and deceleration of the seal is obtained, and the result is output through the printing unit 640 or stored in the computer 620.

② Maximum surface pressure endurance test

The maximum surface pressure endurance test, like the endurance test at the time of acceleration and deceleration, is for testing the internal temperature of the chamber 132 of the measuring means 100, the oil temperature and oil pressure of the oil supply means 400, and the sealing means of the measuring means 100. After setting the jig 10 temperature, the air pressure of the air supply means 300, the rotational speed and the torque value of the main motor 210 of the motor driving means 200 to a desired value, a test is performed.

The result is expressed by the thickness wear amount, height wear amount, milling amount, housing wear amount and shaft wear amount of the first seal 20 and the second seal 21, and the like as the result of other products. It becomes possible.

③ Withstand pressure test

The internal pressure test is performed after setting the internal temperature of the chamber 132 of the measuring means 100, the oil temperature of the oil supply means 400, and the oil pressure.

The result is represented by the amount of oil leakage and the milling amount of the first seal 20 and the second seal 21, it is displayed as the result of other products and can be compared with each other.

④ Pollution test

The contamination test, like the endurance test at the time of acceleration and deceleration, the internal temperature of the chamber 132 of the measuring means 100, the oil temperature and oil pressure of the oil supply means 400, the jig for sealing test of the measuring means 100 ( 10) After setting the temperature, the air pressure of the air supply means 300, the rotational speed and the torque value of the main motor 210 of the motor driving means 200 to a desired value, the test is performed after administering a foreign substance.

The result is expressed by the thickness wear amount, height wear amount, milling amount, housing wear amount and shaft wear amount of the first seal 20 and the second seal 21, and the like as the result of other products. It becomes possible.

⑤ Hydraulic response test

The hydraulic responsiveness test is performed after setting the internal temperature of the chamber 132 of the measuring means 100 and the oil temperature of the oil supply means 400.

The results are expressed in oil pressure and response time.

⑥Rotational friction test

The rotation friction test is performed after setting the internal temperature of the chamber 132 of the measuring means 100 and the oil temperature of the oil supply means 400.

The results are displayed graphically showing the friction index, which is displayed like the results of other products, and can be compared with each other.

⑦ Dry test

The dry test is performed after setting the internal temperature of the chamber 132 of the measuring means 100 and the oil temperature of the oil supply means 400.

The result is represented by the thickness wear and height wear of the first seal 20 and the second seal 21, it is displayed as the result of the other products can be compared with each other.

8. Oil leakage test

The oil leakage test is performed after setting the internal temperature of the chamber 132 and the oil temperature of the oil supply means 400.

As a result, the leakage state of the first seal 20 and the second seal 21 is displayed, and the result is displayed as the result of other products, so that the comparison is possible.

9. Creep test

The creep test is performed after setting the internal temperature of the chamber 132 and the oil temperature of the oil supply means 400.

The result is represented by the thickness wear amount, the height wear amount and the milling amount of the first seal 20 and the second seal 21, and are displayed as the result of other products so that comparison with each other is possible.

As described above, the present invention relates to a system for measuring the performance of a seal (seal ring) mounted in the transmission of a vehicle, and more particularly, after manufacturing a separate sealing test jig to measure the seal. After mounting a pair of left and right seals on the jig and sealingly mounting the sealing test jig to the measuring means, the jig is subjected to acceleration / deceleration, environment (temperature) adjustment, air and oil supply control, The chain seal measures various performances such as durability during acceleration and deceleration, maximum surface pressure durability, internal pressure, pollution degree, hydraulic response, rotational friction, dry test, leakage condition, creep test, etc. It is a useful invention that can compare the performance (measurement) value of the existing product with a glance.

Claims (10)

Sealing test jig 10 for inserting and sealing a plurality of the first seal 20 and the second seal 21 to be inspected by the plurality of sealing grooves 11 formed on the outer periphery of the body therein Measurement to measure the performance of acceleration and deceleration of first and second seals 20 and 21, durability of maximum surface pressure, internal pressure, contamination, hydraulic response, rotational friction, dry, oil leakage, creep, etc. Means (100); A motor driving means (200) connected to the measuring means (100) to rotate the sealing test jig (20) to impart a constant torque; Air supply means (300) for supplying controlled air to the sealing test jig (20) of the measuring means (100) to test the performance of the sealing; Oil supply means 400 for supplying a controlled oil to the sealing test jig 20 of the measuring means 100 to test the performance of the sealing; Power supply means 500 for supplying operation power to each unit; And And a control means (600) for controlling the operation of each part and reading the measured values to display or store the result of the performance of the sealing. The method of claim 1, The measuring means 100 is connected to the motor driving means 200, the jig case 110 is inserted into the sealing test jig 10 and the cover portion for completely sealing the sealing test jig 10 111 is formed, and the air supply pipe supplied from the air supply means 300 and the oil supply pipe supplied from the oil supply means 400 are connected to the outer circumferential surface of the jig gaze 110, a plurality of the other side A system for measuring the performance of a sealing for automatic transmission, characterized in that a plurality of beakers (115) are installed so that the oil leakage generated in the jig case (110) flows through the oil leak pipe (113). The method of claim 2, The measuring means is characterized in that the chamber 130 of the closed space provided with a chamber door 131 on the front surface, the chamber temperature sensor 132 for detecting the internal temperature of the chamber 130 is automatically installed Performance measurement system of transmission seals. The method of claim 2, The sealing test jig 10 further includes a jig temperature sensor 12 for detecting the temperature of the jig 10 and a jig heating heater 122 for applying heat to the jig 10 to maintain the temperature at a constant level. Performance measurement system of the sealing for automatic transmission, characterized in that the installation. The method of claim 1, The motor driving means 200 is a DC motor having a positive torque characteristic, the main motor 210 for rotationally driving the sealing test jig 10, and the speed detection sensor 211 for detecting the speed of the main motor 210. And a first coupling 212 connected to the shaft of the main motor 210 to partially offset mechanical errors and vibrations generated from driving force transmission by an integral disk coupling, and the first coupling 212. A torque device 220 connected to the torque device 220 to implement a stable torque value and to perform mounting stability, durability reliability, zero speed automatic correction, and stable output at low speed, and a torque sensor for detecting the rotational torque of the torque device 220. 221, a torque speed detection sensor 222 for detecting the rotational speed of the drive shaft of the torque device 220, a second coupling 223 connected to the distal end of the torque device 220, and the The disk is connected to the distal end of the two couplings 223 Performance measurement system of the automatic transmission seal, characterized in that it comprises a bearing spindle 230 composed of a fling and high precision bearings to perform the connection and support role of the shaft for transmitting the driving force generated in the main motor 210 . The method of claim 5, wherein The bearing spindle 230 has an oil tank 241 for storing and managing a predetermined amount of bearing oil supplied to a bearing lubrication device configured therein, and is connected to the oil tank 241 to supply compressed air to a bearing lubrication device. A solenoid valve 242 for controlling whether or not, a regulator 243 connected to the solenoid valve 242 for precisely adjusting the pressure of the compressed air supplied to the bearing lubrication device, and controlling the operation of the bearing lubrication device. Performance measurement system of the automatic transmission sealing, characterized in that it further comprises an oil control unit (240). The method of claim 1, The air supply means 300 is composed of an air filter 311, a regulator 312, a lubricator 313, a pressure gauge 314 and a pressure switch 315 to control the pressure of the compressed air supplied to the equipment Compressed air input unit 310 that constantly controls and manages cleanliness of compressed air, and removes oil mist from compressed air output from the compressed air input unit 310 and removes particulate matter such as rust or carbon of 0.3 micron or more. Oil mist separator 320 for removing oil, residual pressure relief valve 321 for removing residual pressure of compressed air remaining on the supply line, and a booster valve for boosting the low pressure supplied to the equipment to a high pressure suitable for test conditions 322, an air tank 323 for storing and managing a predetermined amount of the compressed air output from the booster valve 322, and the moisture contained in the compressed air output from the air tank 323. Air dryer 330 to increase the dry state of the compressed air and, if the operation of the air dryer 330 is not smooth, closes the opening and closing valve formed at the input and output ends of the air dry 330, the bypass line side Bypass valve 331 for supplying the pressurized air through the air, a regulator 340 for precisely adjusting the pressure of the compressed air supplied through the pressure, and a pressure detector for detecting the pressure of the compressed air supplied through the regulator 340 341 and the compressed air supplied through the pressure detector 341 are supplied to the left (L) first sealing 20 side of the sealing test jig 10 of the jig case 110 of the measuring means 100. Right (R) second sealing of the sealing test jig 10 of the jig case 110 of the measuring means 100 of the first opening and closing valve 350 and the compressed air supplied through the pressure detector 341 It characterized in that it comprises a second opening and closing valve 360 for supplying to the (21) side Performance measurement system for the automatic transmission of a seal that. The method of claim 1, The oil supply means 400 is an oil supply tank 410 for storing and managing a predetermined amount of oil to be supplied to the sealing test jig 10 and a temperature sensor for detecting and displaying an oil temperature in the oil supply tank 410. 411, a level switch 412 for detecting and displaying the amount of oil in the oil supply tank 410, and a water cooler 414 for cooling the oil in the oil supply tank 410 by circulating coolant. And, the electric heater 415 for heating the oil in the oil supply tank 410 to a constant temperature, the valve 416 for controlling the supply of cooling water to the water cooler 414, and the oil supply tank 410 Oil supply pump 420 for supplying the oil of the supply to the supply line, a pressure filter 421 for removing foreign matters of the oil supplied on the supply line and indicating the time of exchange, and a jig 10 for the sealing test. Pressure sensor 422 for detecting the pressure of the oil to be sealed, On-off valve 423 for controlling whether or not to supply oil to the jig for jist 10, a circulation pump 430 for circulating the oil in the oil supply tank 410, and an oil supply tank (in the oil supply line) And a return filter (431) for removing foreign substances in the oil recovered to the 410 and displaying the time of replacement. The method of claim 8, The oil supply means includes a pilot oil supply tank 440 for storing and managing a predetermined amount of pilot oil, a temperature sensor 441 for detecting and displaying an oil temperature in the pilot oil supply tank 440, and the pilot oil supply. A level switch 442 for detecting and displaying the amount of oil in the tank 440, a water cooler 443 for cooling the oil in the pilot oil supply tank 440 by circulating coolant, and the water cooler 443 A valve 444 for controlling the supply of cooling water, a pilot oil supply pump 450 for supplying oil from the pilot oil supply tank 440 to the pilot line, and an oil pressure supplied to the pilot line. The pressure gauge 451, the servo valve 452 for controlling the pressure of the oil supplied to control the logic system in proportion to the input current, and the foreign matter of the oil supplied on the pilot line are removed and replaced. The line filter 453, and a performance measurement system of the seal for an automatic transmission, characterized in that the further comprises an on-off valve 454 for controlling whether or not to supply oil to the pilot line to display. The method of claim 1, The control means 600 is a key operation unit 610 for performing various functions and setting key input for testing the performance of the sealing (20, 21), and driving of each means in accordance with the key input of the key operation unit 610 Drives the device, receives the measured value from the measuring means 100, calculates the performance of the tested seal, displays, prints, and stores the computer 620 and drives the output according to the output of the computer 620 for various experiments. A display unit 630 for displaying a display, a result display, and the like, a printing unit 640 for printing various test results of the sealing tested according to the output of the computer 620, and an output of the computer 620 according to the output. A driving unit 650 for driving the driving device of each means, and a measuring unit 660 for transmitting various experimental measurement data detected from the measuring means 100 to the computer 620. Performance side of transmission seal System.

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