T/CMIF 234-2023 Quality Classification Standard for Electric Hoists
T/CMIF 234-2023
Basic Information
Scope
Main Technical Content: This document was developed in response to the guidance on building a quality powerhouse and promoting quality improvement in China, with the aim of stimulating innovation in quality, establishing technical requirements and grading methods for a quality grading system. Backed by the technical provisions of this document, it advocates for high-quality products commanding higher prices, guides and protects enterprises' enthusiasm for quality innovation and improvement, and provides technical support for industry associations and professional institutions to conduct fair and impartial quality grading evaluations. By making complex quality information transparent through professional judgment, it ensures the technical basis for improving the high-quality, high-price market mechanism. This document selects electric hoists as the object of study, selects appropriate technical performance indicators and test methods, and establishes quality grading standards. The goal is to create a healthy and competitive market environment where high-quality products thrive, help enterprises eliminate outdated and low-end products, promote orderly and scientific product upgrades, and foster benign competition in the electric hoist field, ultimately achieving quality leadership in this sector. This document provides a comprehensive quality evaluation system for electric hoist products, enabling technological and quality upgrades and offering scientific technical support for testing institutions, enterprises, and users in evaluating product excellence. Preface III Introduction IV 1 Scope 52 Normative Reference Documents 53 Terms and Definitions 54 Grading Principles 54.1 Scientificity 54.2 Advancedness 54.3 Applicability 55 Grading Indicators 55.1 Overview 55.2 Steel Wire Electric Hoists 55.3 Chain Electric Hoists 66 Grading Requirements 67.1 General Requirements 67.2 Qualified Products 67.3 Superior Products 68.4 Extraor