JB/T 51127-1999
Product quality grading of construction machinery hydraulic cylinder
Product quality grading of construction machinery hydraulic cylinder
Catalogue
Scope, References, Sealing, Pressure, Test
Scope
Construction hydraulic parts production, inspection
Applicable to construction machinery hydraulic cylinder
Normative References
Keywords
Engineering cylinder
sealing
pressure resistance
load
grading
Application Summary AI generated
1. High-pressure sealing and pressure resistance as core indexes
2. Controls deformation and leakage under load
3. Includes high/low temperature and impact test
4. Classified defect sampling.
Standard Timeline
replaces
JB/T 51127.1
replaces
51127.3-94
Related Standards
JB/T 51128-1999
Single Cylinder Diesel Engine - Block - Product Quality Grading (Internal Use)
JB/T 51129-1999
Internal Combustion Engines - Condenser Radiators - Product Quality Grading (Internal Use)
JB/T 51130-1999
Product quality grading of construction machinery disc brake
GB/T 4652-2003
Testing method of loader for underground mining
GB/Z 26139-2010
Earth-moving machinery - Guidelines for assessment of exposure to whole-body vibration of ride-on machines - Use of harmonized data measured by international institutes, organizations and manufacturers
GB/Z 41096-2021
Earth-moving machinery—Conformity assessment and certification process
GB/Z 45864.2-2025
Earth-moving machinery—Collision warning and avoidance—Part 2:On-board J1939 communication interface
GB/T 18577.1-2001
Earth-moving machinery--Definitions of dimensions and symbols--Part 1:Base machine
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.