T/CNGMA 027-2025 Stepping motor

Scope

This document specifies the product classification and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality assurance period of stepper motors (hereinafter referred to as "motors"). This document applies to permanent magnet stepper motors and hybrid stepper motors. Other types of stepper motors can refer to this document for implementation. The motors described in this document are mainly used in motion control systems in industrial automation, precision instruments, medical equipment, automotive electronics, and smart homes. 4 Classification and Basic Parameters 4.1 Classification Principles 4.1.1 Classification by working principle 4.1.2 Classification by number of phases 4.1.3 Classification by structural characteristics 4.2 Basic Parameters 4.2.1 Electrical parameters 4.2.2 Mechanical parameters 4.2.3 Performance parameters 4.3 Parameter Measurement and Verification 5 Technical Requirements 5.1 Environmental Conditions 5.1.1 Climate Conditions 5.1.2 Mechanical Environmental Conditions 5.2 Appearance and Structural Requirements 5.2.1 Appearance Quality 5.2.2 Installation and Connection Dimensions 5.3 Electrical Performance 5.3.1 DC Resistance of Windings 5.3.2 Insulation Resistance 5.3.3 Insulation Dielectric Strength 5.4 Mechanical Performance 5.4.1 Axial Radial Runout 5.4.2 Axial and Radial Clearance 5.4.3 Accuracy of Installation Interface 5.5 Operating Characteristics 5.5.1 Step Angle Accuracy 5.5.2 Holding Torque 5.5.3 Traction and Release Torque 5.5.4 Frequency Characteristics 5.5.5 Torque-Frequency Characteristics 5.6 Safety Requirements 5.6.1 Temperature Rise Limit 5.6.2 Protection Class 5.6.3 Electrical Safety 5.7 Environmental Adaptability 5.7.1 Low Temperature Operation 5.7.2 High Temperature Operation 5.7.3 Constant Humidity and Heat 5.7.4 Vibration Adaptability 5.7.5 Impact Adaptability

Development Information

Related Standards