JB/T 6003-1992 Technical Specifications for Plate-fin Oil Cooler Cores for Internal Combustion Engines JB/T6003-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 6003-1992
Internal Combustion Engine Plate Fin Oil Cooler Core
Technical Conditions
Published on 1992-05-28
Practical Implementation on 1993-01-01
Internal Combustion Engine Plate Fin Oil Cooler Core
Technical Conditions
1 Subject Content and Scope of Application
JB/T6003-1992
This standard specifies the technical requirements, test methods and inspection rules for internal combustion engine plate fin oil cooler cores. This standard applies to internal combustion engine plate fin oil cooler cores (hereinafter referred to as cooler cores) for automobiles, tractors, engineering machinery, generator sets and small ships. Other oil cooler cores can also be used for reference. 2 Reference standards
GB2828
GB3821
JB/T5095
3 Terms
3.1 Heat transfer coefficient ko
Batch inspection counting sampling procedure and sampling table (applicable to continuous batch inspection) Method for determining the cleanliness of small and medium-power internal combustion engines Test method for heat transfer performance of internal combustion engine oil cooler Indicates the heat flow that can be transferred per 1m? heat transfer area on the oil side of the cooler core when the temperature difference between the cold and hot media is 1℃. 3.2 Volume utilization coefficient k
Indicates the heat flow that can be transferred per 1m3 volume of the cooler core when the temperature difference between the cold and hot media is 1℃. 3.3 Weight utilization coefficient k.
Indicates the heat flow that can be transferred per 1kg weight of the cooler core when the temperature difference between the cold and hot media is 1℃. 3.4 Oil side
The channel of the cooler core oil.
4 Technical requirements
4.1 Products shall be manufactured in accordance with product drawings and technical documents approved by the prescribed procedures and comply with the provisions of this standard. 4.2 The materials of the main parts and solders of the cooler core are recommended to be: Chip 1Cr18Ni9, 0Cr18Ni9, 1Cr18Ni9Ti or B19: Fin 08F, 08Al, 1Cr18Ni9, 0Cr18Ni9, 1Cr18Ni9Ti or B19 Brazing material T, or T1
4.3 The main performance of the cooler shall comply with the provisions of Table 1. 4.4 Sealing performance of the oil side of the cooler core
The oil side of the cooler core shall be sealed, and no leakage shall occur after a gas pressure test of not less than 900kPa for 3 minutes. 4.5 Vibration resistance of cooler core
The cooler core is tested at a resonance point within the frequency range of 0~50Hz (if there is no resonance point, use 50Hz frequency), with an acceleration of 40m/s2, and continuous vibration up and down for 1.2 million times. Leakage is not allowed. 4.6 Cleanliness of the oil side of the cooler core
The cleanliness of the oil side of the cooler core is expressed by the amount of impurities Wc washed from the oil side of each cooler core, calculated according to formula (1): Wc≤7+10F. mg
Where: F.
-oil side heat transfer area, m2.
Heat transfer coefficient ko
W/(m2.℃)
Volume utilization coefficient ky×10-3
W/(m2.℃)
Weight utilization coefficient ka
W/ (kg·℃)
Oil side pressure difference ApowwW.bzxz.Net
Note: ①The data in the table are measured within the range of oil inlet temperature 95±1℃ and water inlet temperature 85±1℃. ②When calculating k or k., the volume or weight of the specimen connection plate is not taken into account. ③ The test data is processed according to the provisions of JB/T5095. 4.7 Pressure alternating cycle resistance performance
....1)
Performance index
≥1000
≥1300
≥900
≥870
≥830
≥440
≥260
≥285
≥210
≥250
≥170
≥150
≥140
The oil cavity of the cooler is filled with medium, and the medium pressure rises from 25kPa to 500kPa, and then returns to 25kPa after being maintained, each for 2s. 6s time is one cycle, and 30,000 cycles are performed. Leakage and deformation are not allowed. The medium temperature is 85 ± 1℃. 4.8 The surface of the cooler core is not allowed to be damaged. Under the premise of ensuring the performance data listed in Table 1, hidden lines and traces of brazing material overflow are allowed.
5 Test method
JB/T6003-1992
5.1 The performance data in Table 1 are tested on the heat transfer performance test bench according to the provisions of JB/T5095. 5.2 The oil side cleanliness is determined by first injecting the cooler core with the test gasoline occupying 60% of the oil side volume, sealing it and placing it on a vibration table with a frequency of 30Hz and an amplitude of 1mm for continuous vibration for 3 minutes, and then testing the gasoline cleaning liquid in the cooler oil cavity according to the filter elements and filter devices, impurity collection operating procedures, impurity filtration and weighing, and impurity calculation specified in GB3821. 5.3 On the sealing test bench, the cooler core submerged in the water tank is passed through dry compressed air at the pressure specified in Article 4.4 for 3 minutes. No bubbles should appear.
5.4 On the vibration test bench, the vibration resistance test is carried out according to the working conditions specified in Article 4.5. The amplitude A is calculated according to formula (2): 40×103
(2 inches)2
Where: f is the frequency, Hz.
5.5 On the pressure alternating cycle test bench, the pressure alternating cycle test is carried out according to the working conditions specified in Article 4.7. 6 Inspection rules
6.1 Products must be inspected and qualified by the quality inspection department of the manufacturer before they can leave the factory. 6.2 When the ordering unit samples the products, it shall refer to the relevant contents of GB2828 or conduct acceptance according to the acceptance rules agreed by both parties. 7 Marking, packaging, transportation and storage
7.1 Marking
7.1.1 The product shall be marked with:
a. Manufacturer’s name or trademark;
b. Product model and name;
c. Production date or production number.
7.1.2 The marking position shall comply with the provisions of the product drawings approved through the prescribed procedures. The product shall be kept intact during use. 7.2 Packaging
7.2.1 The oil inlet and outlet shall be covered to prevent dirt from entering the oil cavity. 7.2.2 The product shall be packaged after leaving the factory, and the packaging method shall ensure that the product is not damaged during transportation and storage. (2)
The packaging box shall be accompanied by a packing list signed and stamped by the manufacturer’s packer, and the packing list shall indicate the product name, model, quantity and packing date.
The packaging box shall be accompanied by a product certificate and instruction manual signed by the manufacturer's quality inspector. The certificate shall indicate: a. Manufacturer's name; b. Product name and model: c. Factory date or factory number.
7.2.5 The packaging box shall be marked with: a. Manufacturer's name and address; b. Product name and model: c. Quantity and total weight of the packaging box: d. Overall dimensions; e. Factory date.
7.3 Transportation
JB/T6003-1992
A well-packaged cooler core shall be allowed to be transported by any normal method. 7.4 Storage
The cooler core should be stored in a ventilated and dry warehouse. Under normal storage conditions, the manufacturer should ensure that the cooler core will not rust within 12 months from the date of leaving the factory.
Additional instructions:
This standard was proposed and managed by the Shanghai Internal Combustion Engine Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Shanghai Internal Combustion Engine Research Institute of the Ministry of Machinery and Electronics Industry. The main drafter of this standard is Chen Daneng
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