철도 전력 시스템의 수호자를 위한 견인 모터 고정자 베이스

Introduction of Rail Traction Motor Stator Base

In modern industrial power systems, the traction motor is like the heart, providing powerful energy for rail transit, electric vehicles, and industrial equipment. The key structure that supports the efficient operation of this core component – the stator base – 으로 간주될 수 있다. “skeletal system” of the power system, which is little known. This ring-shaped structure, cast from high-strength metal, is not only the physical carrier of the motor stator but also the core hub that maintains the stability of the electromagnetic field and ensures the conversion of energy.

The traction motor stator base is a part of the permanent magnet motor, consisting of the stator, rotor, and base. The stator and base are the same as those of asynchronous motors, while the rotor is composed of an iron core and permanent magnets. The working principle of the permanent magnet traction motor is that the three-phase inverter supplies power to the three-phase windings of the stator, generating a rotating magnetic field that interacts with the magnetic field produced by the rotor’s permanent magnets, thereby generating torque and driving the rotor to rotate synchronously.

The Structure of Rail Traction Motor Stator Base

The stator base adopts a double-layer composite structure design. The outer layer is a stress-bearing frame optimized through finite element analysis, while the inner layer is precisely machined to form positioning slots that perfectly match the stator core. This structure ensures overall rigidity while reserving a micro-gap of 0.02-0.05mm to provide a buffer space for the thermal expansion of silicon steel laminations. 그만큼 72 sets of positioning pin holes distributed on the base end face are arranged in an involute pattern, controlling the electromagnetic vibration amplitude within ±5μm while ensuring the heat dissipation space at the end of the winding.
 

In terms of heat dissipation design, modern stator bases have evolved from traditional radiation cooling to active liquid cooling structures. The spiral cooling channels embedded in the base adopt a variable cross-section design, with a 3mm diameter channel at the inlet expanding to 5mm when passing through the high-temperature area. Combined with Al₂O₃ nanofluid coolant, the winding temperature rise can be reduced by 40%. This bionic vascular heat dissipation system increases the continuous output power of the motor to 1.8 times that of the traditional design.

재료 Rail Traction Motor Stator Base

The first-generation stator base used HT250 gray cast iron, which, with an elastic modulus of 4.5GPa, could meet basic requirements, but its density of 7.2g/cm³ became a bottleneck for lightweight design. With the maturity of aluminum alloy die-casting technology, the ADC12 aluminum alloy base reduced the weight by 58% and achieved a yield strength of 310MPa through T6 heat treatment. 하지만, the true breakthrough progress came from carbon fiber reinforced magnesium matrix composites (CF/Mg), which maintained a tensile strength of 780MPa while reducing the density to 1.8g/cm³ and improving the thermal expansion coefficient match with silicon steel sheets to 99.3%.

The Manufacturing Process of Rail Traction Motor Stator Base

The manufacturing of modern stator bases integrates multiple cutting-edge technologies: vacuum differential pressure casting with 3D printed sand molds enables the one-time forming of complex cooling channels; five-axis CNC machines equipped with laser online measurement systems achieve automatic compensation for clamping errors; the residual stress elimination process introduces ultrasonic impact technology, reducing the traditional 48-hour heat aging treatment cycle to 15 분. The quality inspection system has been fully upgraded to digitalization: industrial CT scanning can detect internal defects larger than Φ0.3mm, eddy current testing instruments scan the mating surface accuracy with a resolution of 0.01mm, and laser Doppler vibrometers build three-dimensional vibration mode cloud maps of the base. These data are uploaded to the MES system in real-time, forming a “digital twin” file for each base.

The Future Trends of Rail Traction Motor Stator Base

Integration of Intelligence and Greenness Frontier research is exploring the intelligent transformation of stator bases: embedding distributed optical fiber sensor networks to monitor stress and strain distribution in real time; applying shape memory alloys to make adjustable stiffness brackets for dynamic vibration suppression; developing self-healing microcapsule coatings to repair microcracks generated during operation automatically. The SMARTER project, supported by the EU’s “Horizon 2020” program, has developed an acoustic metal material base that can reduce electromagnetic noise by 12 데시벨.

In terms of environmental protection, bio-based composites are beginning to enter the practical stage. The experimental base made of flax fiber-reinforced polylactic acid (PLA) has shown mechanical properties comparable to traditional metal parts in small and medium power motors while reducing the carbon footprint by 76%. 동시에, a material traceability system based on blockchain technology ensures that each base is traceable from mineral extraction to finished product delivery.

Package of Rail Traction Motor Stator Base

Polybag+Wooden 케이스/팔레트, 고객의 요청에 따라

회사 프로필

뤄양포뇨중공업(Luoyang Fonyo Heavy Industries), 주식회사. 에 설립되었습니다 1998, 면적 72,600㎡, 이상으로 300 직원, 32 기술자, 포함 5 수석 엔지니어, 11 보조 엔지니어, 그리고 16 기술자. 낙양 공정 기술 센터로 평가되었습니다., 낙양기술R&D센터, 여러 번 국가 하이테크 기업.
우리의 생산 능력은 30,000 연간 톤. 현재, 우리는 주로 주강을 생산하고 있습니다, 주철 (회색 철, 연성이 있는 철, 등.), 완제품 가공 및 부품 조립.제품은 러시아로 수출되었습니다., 미국, 독일, 아르헨티나, 일본, 프랑스, 남아프리카,이탈리아 및 기타 국가.

자주 묻는 질문

1분기: 당신은 제조업체입니까, 아니면 무역회사입니까??
에이:우리는 제조업체입니다. 우리 회사는 에 설립되었습니다. 1998, 주조 업계에서 거의 30년 동안, 총면적 72,600㎡, 공장건축면적 51,000㎡.
2분기. 주요 제품은 무엇입니까?
에이: 우리는 주로 철강 주조에 중점을 두고 있습니다., 철 주조, 완제품 가공, 및 부품 조립 생산.
3분기: 주조 부품을 얼마나 정밀하게 생산할 수 있습니까??
에이: 우리는 다양한 주조 공정으로 주조 부품을 생산할 수 있는 능력을 갖추고 있습니다.. 생산은 ISO를 엄격히 준수합니다. 9001, ISO 14001 및 ISO45001,EN15085, 아이리스.
4분기. 샘플에 따라 생산할 수 있습니까??
 예, 우리는 귀하의 샘플이나 기술 도면으로 생산할 수 있습니다. 샘플을 받은 후에도 도면을 제작할 수 있습니다..
Q5: 배송 전 품질 관리는 어떻게 합니까??
에이: 품질 검사는 철강 주조 부품의 품질을 보장하는 매우 중요한 요소입니다.. 우리는 따른다 3 전체 생산 과정 중 검사 횟수. 그리고 우리는 재료 테스트 보고서를 제공할 것입니다, 치수 테스트 보고서, 납품 전에 고객에게 기계적 특성 테스트 보고서.

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