JB/T 12684-2016YBZP series flame-proof variable-frequency adjustable-speed three-phase induction motors for crane application - Specification(frame sizes 112 to 250) (English PDF)

National Standard of the People's Republic of China

ICS

29.160.30

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Contents

• 1 Scope
• 2 Normative references
• 3 Type, basic parameters and dimensions
• 4 Technical requirements
• 5 Inspection rules
• 6 Test methods
• 6.1 General
• 6.2 Inspection of the mechanical appearance
• 6.3 Inspection of the dimensions and tolerances
• 6.4 Inspection of the marking, of the earthing and of the terminal box
• 6.5 Interturn insulation impulse withstand voltage test
• 6.6 Measurement of the maximum surface temperature
• 6.7 Enclosure protection test and alternating damp heat test
• 6.8 Measurement of the torque against slip curve
• 6.9 Measurement of the noise
• 6.10 Measurement of the vibration
• 6.11 Thermal test
• 6.12 Measurement of the load characteristics of the motor
• 7 Marking, packaging and warranty period
• Figure 1 Motors IM1001, IM1002, IM1003 and IM1004, with feet on the frame and without flange on the end shield
• Figure 2 Motors IM3001 and IM3003, horizontally mounted, without feet on the frame and with flange on the end shield
• Figure 3 Motors IM3011 and IM3013, vertically mounted, without feet on the frame and with flange on the end shield
• Figure 4 Load characteristic curve
• Table 1 Structure and mounting types of the motor
• Table 2 Correspondence between frame number, synchronous speed at the reference duty, nominal power, rated torque and moment of inertia of the rotor of the motor, and frequency regulation range
• Table 3 Mounting and overall dimensions of the motor (one)
• Table 4 Mounting and overall dimensions of the motor (two)
• Table 5 Mounting and overall dimensions of the motor (three)
• Table 6 Dimensions and tolerances of the key of the shaft extension
• Table 7 Radial run-out tolerance
• Table 8 Radial and axial run-out tolerances
• Table 9 Flatness tolerance
• Table 10 Symmetry tolerance
• Table 11 Guaranteed value of the ratio of the maximum torque to the rated torque