This standard specifies the terms and definitions, models, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of automobile body calibration machines (hereinafter referred to as calibration machines). This standard applies to all types of platform-type and frame-type automobile body correction machines with a rated load-bearing mass not exceeding 5000kg.
JT/T 639-2005 Referenced Document
GB/T 3768 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane*, 2017-12-29 Update
JB/T 8108.1 Short link chain for lifting purposes.General conditions of acceptance
JB/T 8108.2 Short link chain for lifting purposes.Grade T(8),calibrated,for chain hoists and other lifting appliances
JT/T 639-2005 history
2005JT/T 639-2005 Autobody and frame alignment machine