1 Scope
This standard specifies manufacturing, testing and marking requirements for solid-section fork arms, for quantity production and with all types of mounting. These include, but are not limited to, hook, shaft or pin, bolt-on and roller type fork arms.
By agreement between the fork arm manufacturer and the purchaser, these requirements may also be applied to fork arms not intended for quantity manufacture.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, all parties coming to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 229 Metallic Materials - Charpy Pendulum Impact Test Method (GB/T 229-2007, ISO 148-1: 2006, MOD)
GB/T 5140 Fork Lift-Trucks - Hook-on Type Fork Arms – Vocabulary (GB/T 5140-2005, ISO 2331: 1974, IDT)
GB/T 5184-2008 Fork-lift Trucks - Hook-on Type Fork Arms and Fork Arm Carriages - Mounting Dimensions (ISO 2328: 2007, IDT)
ISO 683-1: 1987 Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels; Part 1: Direct-Hardening Unalloyed and Low Alloyed Wrought Steel in Form of Different Black Products
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Manufacture
5 Testing
6 Yield Test
7 Impact Test
8 Fatigue Test
9 Surface-Crack Detection
10 Marking