• 2026-06-13

Main Causes of Terminal Overheating and Blackening 1. Unqualified Contact & Loose Installation Loose crimping, uneven torque and assembly gaps reduce the effective contact area of terminals. Based on the I²R heating principle, local high resistance generates intense heat, scorching metal surfaces and forming permanent black carbonized marks. Excessive crimping also causes micro-cracks and...

• 2026-06-15

Key Precision Influences of High-Speed Terminal Stamping High-speed stamping usually runs at 1000–6000 strokes per minute. The core precision deviations mainly come from dynamic operation rather than the process itself:   - Equipment Vibration & Position Deviation: Long-term high-frequency impact causes slight body vibration and slider deflection, resulting in step distance errors a...

• 2026-06-18

  Common Stator & Rotor Core Defects The most frequent manufacturing defects for silicon steel motor cores include lamination edge burrs, inter-lamination short circuits, loose stacking and delamination, excessive core iron loss, dimensional tolerance errors, rotor die-casting faults and surface corrosion. All these issues result from improper process operation and insufficient quality co...