T/SXJP 056-2023 Sintered neodymium iron boron magnet steel for hub motors
T/SXJP 056-2023 Sintered neodymium iron boron magnet steel for hub motors
Basic Information
Scope
Main technical content: 4 Requirements 4.1 Appearance requirements The appearance of sintered neodymium-iron-boron magnets for hub motors should be clean and free from deformation. The product surface should not have defects such as cracks, sand holes, inclusions, or chipped edges that affect their use. 4.2 Dimension requirements The dimensions of sintered neodymium-iron-boron magnets for hub motors should comply with the technical requirements of the drawings. Unless otherwise specified, the main and general dimensions of the magnets should meet the provisions of GB/T 13560. 4.3 Main magnetic performance requirements 4.4 Temperature resistance requirements 5 Test methods 5.1 Appearance The appearance quality of the product is inspected visually. 5.2 Dimensions The dimensional and geometrical deviations of the product are measured using measuring tools that meet accuracy requirements and comply with national metrological standards, such as micrometers, calipers, feeler gauges, standard rims, etc., or by specialized measuring tools agreed upon by both the supplier and the buyer. 5.3 Main magnetic performance 5.4 Temperature resistance requirements 5.5 Coating