High-rigidity Cast Iron Frame With Reinforcing Ribs
Integrally cast iron housing with integrated reinforcing ribs on base and outer wall, strong anti-deformation capacity to bear continuous impact loads from forging and mining sites.
Extended 180M Core Electromagnetic Assembly
Extended stator core with larger effective magnetic conduction area, lower electromagnetic density under 25hp rated power to greatly cut electromagnetic running noise.
Class F Solvent-free Vacuum Impregnation Process
Windings treated with vacuum solvent-free insulating varnish, Class F 155℃ heat resistance. Compact void-free coating blocks moisture and dust to eliminate partial winding leakage risk.
Low-noise Stable Long-term Operation
Extended core weakens magnetic field harmonics, heavy cast iron housing absorbs vibration. Operating decibel is much lower than aluminum motors of same power, suitable for production lines with strict noise control requirements.
Wide Overload Tolerance Range
Enlarged core reserves sufficient electromagnetic margin, supporting stable operation under 125% short-time overload for 30 minutes without tripping, better fault tolerance for material jams and instantaneous impact loads.
Controllable Long-term Maintenance Cost
Vacuum impregnated windings resist damp short circuit, wear-proof cast iron shell avoids breakage. Only one bearing grease refilling per year under normal conditions, greatly reducing downtime maintenance frequency.
Q:How much heavier is the extended core 180M 25hp motor than the standard core version?
A:With the same cast iron housing, the extended core model weighs about 12kg more, with higher torque reserve, ideal for 24-hour non-stop heavy-duty production lines.
Q:What is the approximate running noise of 180M cast iron 25hp motor?
A:Standard 4-pole model has no-load noise ≤78dB, full-load noise within 83dB; a shock absorption base can further reduce noise by 6-10dB.
Q:How long can this motor sustain 125% short-time overload?
A:Under standard working condition with ambient temperature ≤40℃, it can run steadily at 125% rated load for 30 minutes without overheat shutdown protection.
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