The Motor Pressure Ring for Railway High-Quality Steel Cast Part

Introduction of the Motor Pressure Ring

A high-speed motor power system is one of the key representatives of high iron at the core of modern rail transit; the stability and reliability of the power system directly affect the operation efficiency and safety of the train. In the complex structure of high-speed railway traction motors, although the motor pressure ring is a seemingly ordinary component, it bears vital functions. It is called the “invisible guard” of the efficient operation of the motor.

The Function& Structure of the Motor Pressure Ring

The function and structure design for the clamping ring is usually installed on both ends of the motor rotor motor; the primary function is through the fixed motor winding and precision pressure to prevent it due to the centrifugal force in the high-speed rotating or vibrating displacement or deformation. This component needs to be stable under extreme conditions of high-frequency vibration, severe temperature changes and electromagnetic interference, and its structural design needs to be both strong and lightweight. Modern high-speed iron motor press rings are mostly made of high-strength alloy materials (such as special stainless steel or titanium aluminum alloy), which are manufactured by precision forging and heat treatment process to ensure their mechanical properties stability in the environment of -40℃ to 200℃.

Technology Innovation and Performance of the Motor Pressure Ring

Technology innovation and performance optimization in response to the operation requirements in excess of 350 kilometers per hour, clamping ring on the design of a new generation of breakthrough technology bottlenecks: with low permeability materials reduce the eddy current loss, improve the motor efficiency; The surface is treated with nanometer coating to enhance wear resistance and corrosion resistance; Bionic design is introduced in the structure to reduce weight while maintaining structural rigidity through honeycomb hollowing. Some advanced models also integrate temperature sensors to achieve real-time monitoring of operating status.

Manufacture Process and Quality Control of the Motor Pressure Ring

Manufacture process and quality control of the motor pressure circle involved in precision stamping, laser welding, dynamic balance calibration and so on more than 20 procedures, key size tolerance should be controlled within + / – 0.01 mm. Production enterprises generally adopt intelligent production lines, and the machine vision inspection system ensures that the surface finish, concentricity and assembly accuracy of each press ring meet aviation-grade standards. As “bones” of the traction motor, the performance of the compression ring motor has a close relationship with the power output efficiency and life cycle. According to statistics, the high-quality pressure ring can increase the efficiency of the motor by 3%-5% while reducing the failure rate by 40%. Under the strategic background of China’s high-speed rail “going out,” the domestic motor pressure ring has passed the EU TSI certification, and its technical standards have reached the international leading level, becoming a micro epitome of China’s high-end manufacturing strength. With the development of maglev trains and another new type of rail transit, the motor pressure will continue evolving to the integration of superconducting materials and molding in the more extreme working conditions to protect the safety of power systems and fuel rail transit technology towards a new height.

Company Profile

Luoyang Fenyo Heavy Industries Co., Ltd. was founded in 1998, covers an area of 72,600㎡, with more than 300 employees, 32 technicians, including 5 senior engineers, 11 assistant engineers, and 16 technicians. It has been rated as Luoyang Engineering Technology Center, Luoyang Technology R&D Center, and National High-tech Enterprise for many times.

Our production capacity is 30,000 tons per year. Currently, we mainly produce cast steel, cast iron (gray iron, ductile iron, etc.), processing of finished product and component assembly. The company mainly produces parts and railcar gearbox component assemblies for high-speed rail, railcars, locomotives, passenger cars, subways, mines, coal machines, petroleum machinery, wind power, water conservancy, ceramics, engineering machinery and other equipment. At the same time, the products have been exported to Russia, the United States, Germany, Argentina, Japan, France, South Africa, Italy and other countries..

FAQS

Q1: Are you a manufacturer or trading company?
A:Yes,our company was founded in 1998, with nearly 30 years in casting industry, a total area of 72,600㎡, with a factory building area of 51,000㎡.
Q2. What are your main products?
A: We primarily focus on steel casting, iron casting, finished product machining, and component assembly production.
Q3: How precision can you produce casting parts?
A: We have the capability of producing casting parts with different casting processes. The production is strictly comply with ISO 9001, ISO 14001 and ISO45001,EN15085, IRIS.
Q4. Can you produce according to the samples?
 Yes, we can produce by your samples or technical drawings. We can build drawings for you after we get your samples too.
Q5: How do you do Quality Control before delivery?
A: Quality inspection is a very important factor to guarantee the quality of steel casting parts. We follow 3 times of inspection during the whole production process. And we will provide material testing report, dimensional testing report, and mechanical properties testing report to our clients before delivery.

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