This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of split-flow centrifugal oil filter rotor assemblies. This standard applies to hydraulically driven split-flow centrifugal oil filter rotor assemblies for internal combustion engines with a power of 22 to 735 kW (30 to 1000 horsepower). JB/T 6018-1992 Technical requirements for split-flow centrifugal oil filter rotor assemblies JB/T6018-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6018-92
Technical conditions for split flow centrifugal oil filter rotor assembly
Published on May 28, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Mechanical Industry Standard of the People's Republic of China
Technical conditions for split flow centrifugal oil filter rotor assembly
1 Subject content and scope of application
JB/T6018-92
This standard specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of split flow centrifugal oil filter rotor assemblies. This standard applies to the rotor assembly of hydraulically driven split-flow centrifugal oil filter for internal combustion engines with a capacity of 22 to 735 kW (30 to 1000 horsepower) (hereinafter referred to as the rotor assembly).
Referenced standardswww.bzxz.net
GB2828
GB3821
GB5200
3 Technical requirements
Counting sampling procedures and sampling tables for batch inspection (applicable to inspection of continuous batches) Cleanliness determination method for small and medium-power internal combustion engines Centrifugal oil filter test method
3.1 The rotor assembly shall be manufactured according to the product drawings and technical documents approved by the prescribed procedures. 3.2 The rotor assembly shall be dynamically balanced, and the unbalance amount of dynamic balancing shall not exceed 5g·cm. 3.3 Use clean mineral oil with a kinematic viscosity of 19±1 mm/s as the test medium (HC-11 diesel engine oil is recommended, the test oil temperature is 80±2℃, and the kinematic viscosity is 19±1 mm/s). Install the rotor assembly on the rotor shaft and base of the series product, and perform performance tests on the rotor assembly. Its performance should meet the following requirements. 3.3.1
The rotor speed and drive volume flow rate should meet the requirements of Table 1. Table 1
Oil inlet pressure
Rotor speed
Drive volume flow rate
≥5500
≥5500
≥5000
≥5000
Apply twice the oil inlet pressure specified in Table 1 for 5 minutes. Except for the connection threads of the rotor body and the clamping nut, all connection parts of the rotor assembly should be sealed and there should be no oil leakage. 3.3.3 Apply the oil inlet pressure as specified in Article 3.3.2, and run the filter for 10 minutes. The rotor assembly should not break and the parts should not be damaged. When the filter is tilted 30° to the left and right, the rotor speed should not drop by more than 10% of the value specified in Article 3.3.1. 3.3.4
3.4 ​​The outer surface of the rotor assembly should be clean, and its cleanliness should comply with the requirements of Table 2. Table 2
Cleanliness
Approved by the Ministry of Machinery and Electronics Industry on May 28, 1992 FL100
Implementation on January 1, 1993
JB/T 6018-92
3.5 The steel parts of the rotor assembly should be treated with anti-rust, and the anti-rust layer should be firm and reliable, and should not rust or fall off. 3.6 The rotor assembly should not have obvious bumps and scratches that affect the appearance quality. 3.7 The outer surface of the die casting of the rotor assembly, except for the dynamic balancing grinding surface, shall be flat and smooth. There shall be no defects such as burrs and flashes, and the surface roughness parameter R is 6.3μum.
3.8 The test method of the rotor assembly shall comply with the provisions of GB5200. 4 Inspection rules
4.1 Inspection classification
4.1.1 Factory inspection.
4.1.2 Type inspection.
4.2 Inspection items
Factory inspection
Rotor speed:
Drive volume flow:
c. Unbalance of dynamic balancing of the rotor assembly; Rust prevention quality:
External surface quality of the die casting:
fAppearance quality:
g. Packaging quality.
4.2.2 Type inspection
Includes all factory inspection items and the following items: Cleanliness of rotor assembly:
b. Rotor speed when tilted at 30°:
c. Sealing of rotor assembly;
d. Pressure resistance of rotor assembly.
4.3 Sampling method
According to the sampling inspection rules specified in GB2828. 4.4 Inspection method
4.4 The inspection methods for the four inspection items of rotor assembly speed, driving volume flow, sealing and pressure resistance shall be in accordance with GB5200. 4.4.2 The inspection method for cleanliness of rotor assembly shall be in accordance with CB3821. The four inspection items of rotor assembly anti-rust quality, die casting outer surface quality, appearance quality and packaging quality shall be visually inspected. 4.4.3
5 Marking. Packaging, transportation, storage
5.1 Marking
The outer surface of the packaging box should be marked with:
Manufacturer name or factory mark;
b. Product name and model;
Packing date (year, month)
The outer surface of the packaging box should be marked with:
Manufacturer name or factory mark;
Product name and model:
Total mass and quantity:
d. Overall dimensions (length × width × width), mm:e "Handle with care", "moisture-proof", "pressure-proof" and other words;2
f, factory year and month.
5.2 Packaging
JB/T6018-92
5.2.1Each rotor assembly should be accompanied by the manufacturer's inspection certificate. It should be cleaned and rust-proofed before packaging, and packed with waterproof materials and then packed into the packaging box.
5.2.2 The rotor assembly packed in the packaging box should be packed in a dry packaging box lined with waterproof material. 5.3 Transportation
The total mass of each packaging box shall not exceed 50kg, and it shall be guaranteed not to be damaged during normal transportation. 5.4 Storage
The rotor assembly packed in the packaging box shall be stored in a ventilated and dry warehouse. Under normal storage conditions, the manufacturer shall ensure that it will not rust within 12 months from the date of leaving the factory. Additional remarks:
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. The main drafter of this standard is Meng Shihuan.
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