T/CI 056-2022 Active

Scope: This document specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for forklift drive axles. This document applies to 1.5 T to 3.5 T forklift drive axles (cast axle bodies, drum brakes). Main technical content: 4. Technical requirements 4.1 Tolerance requirements The unspecified tolerance grades for linear and angular dimensions of machined parts shall comply with the provisions of m grade in GB/T 1804-2000; the unspecified tolerance values for shape and position shall comply with the provisions of K grade in GB/T 1184-1996. 4.2 Castings The technical requirements for castings shall comply with the provisions of JB/T 5938. 4.2.1 Brake drums When rotating the brake drum by hand, there shall be no blocking, jamming, or loosening. 4.2.2 Hub starting force The hub starting force shall comply with the provisions of Table 1. Table 1 Hub starting force Bearing inner diameter/mm 24–30 30–40 40–50 50–65 65–80 80–100 100–120 Starting force/N 25–50 30–60 35–70 40–80 50–90 60–120 80–150 4.2.3 Axle housing The minimum fatigue life of the axle housing shall not be less than 3.0×105 times, and the technical requirements shall comply with the provisions of JB/T 5939. 4.3 Forgings The technical requirements for forgings shall comply with the provisions of JB/T 5942.