High Quality Reversing Gearbox Housing for Railway

제품 매개변수

Our Reversing & Transfer Gearbox Housing for railway locomotives is manufactured from high-strength ductile iron or cast steel, ensuring excellent mechanical properties and long-term durability. The housings are produced using V-Process vacuum molding or furan resin sand casting, followed by precision CNC machining to guarantee accurate gear alignment and tight tolerances. Designed to carry and protect internal gears and bearings, the gearbox housing enables reliable torque transmission, smooth direction changes between forward and reverse, and vibration resistance under heavy loads. Rigorous quality inspections, including dimensional checks and material testing, ensure consistent performance and safety throughout the component’s service life, making it ideal for demanding railway and wind power applications.

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설명

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나The reversing and transfer gearbox serves as a very important component within a locomotive’s mechanical transmission system. As the main structural support for gears, shafts, bearings, as well as the lubrication system, 그만큼Reversing Gearbox Housing plays a decisive role in maintaining stable torque transmission, enabling reliable direction changes between forward and reverse, and ensuring long-term operational safety.

OurReversing Gearbox Housing units are manufactured from high-strength ductile iron or cast steel, and they undergo stringent machining and inspection processes to satisfy the rigorous requirements of modern railway applications.

1.Technical Features of the Reversing Gearbox Housing

그만큼 Reversing Gearbox Housing exhibits high structural strength and excellent fatigue resistance. 예를 들어, it utilizes high-grade ductile iron such as QT450-10 or QT500-7, which provides excellent tensile and yield strength along with good impact resistance. 추가적으로, the material offers high vibration damping capacity and maintains stable mechanical performance even under heavy alternating loads. 게다가, through optimized rib structures and reinforced bearing seats, the housing guarantees extended service life in demanding operating environments.

뿐만 아니라, precision machining is essential for maintaining accurate gear alignment. 사실은, the dimensional accuracy of theReversing Gearbox Housing directly influences gear meshing quality and noise levels. Accordingly, we employ CNC milling and boring, multi-surface positioning, and precise bearing seat machining with tight tolerance control, typically within ±0.02–0.05 mm. 결과적으로, this ensures correct alignment of gears and shafts, which reduces vibration and minimizes transmission losses.

Another important feature is the reliable sealing and lubrication protection integrated into the design. Since a reversing gearbox requires consistent lubrication for safe long-term operation, 그만큼Reversing Gearbox Housing incorporates a labyrinth sealing structure along with standard oil-seal grooves. 동시에, internal oil passages and smoothly finished casting surfaces promote efficient oil return flow. 그러므로, this design prevents oil leakage and contamination, contributing to consistent and reliable performance.

2.Function of the Reversing Gearbox Housing

그만큼 Reversing Gearbox Housing fulfills several core functions within the locomotive transmission system. 첫째로, it carries and protects the internal gear sets and bearings.

둘째, it maintains precise alignment among all rotating components.

게다가, the housing supports the reversing function, which allows the locomotive to switch between forward and reverse output. It also transfers power from the engine to the axle system via matching gears.

마지막으로, the housing ensures reliable vibration resistance during high-load and long-term operations. In summary, 그만큼 Reversing Gearbox Housing acts as the structural backbone of the locomotive’s mechanical transmission.

3.Manufacturing Process of reversing gearbox housing

We produce high-quality Reversing Gearbox Housing castings using advanced manufacturing techniques. To begin with, we employ casting technologies such as V-Process vacuum molding and resin sand casting, supplemented by special heat treatments to guarantee uniform hardness and dimensional stability. 따라서, the casting process delivers low porosity, a sound internal structure, high surface quality, and strong mechanical properties.

그후, machining is performed on CNC machining centers, where boring and milling of mating surfaces are carried out with high precision. Following this, each housing undergoes coordinate measurement and a full dimensional accuracy check.

마지막으로, inspection includes MT/UT nondestructive testing, roughness and hardness measurements, and strength tests. Importantly, final dimensional inspection is conducted using a CMM. 결과적으로, 모든Reversing Gearbox Housing is delivered with verified performance and fully traceable quality documentation.

4. Typical Material Properties (Example: QT450-10)

재산	값
인장강도	≥ 450 MPa
항복 강도	≥ 310 MPa
연장	≥ 10%
경도	160–210 HB
Impact Toughness	High impact resistance, suitable for applications with shock and vibration loads

(Values may vary depending on customer specifications.)

5.Packaging and Delivery

Each Reversing Gearbox Housing is packaged thoroughly to ensure safe transit. 구체적으로, we apply anti-rust oil and protective plastic film before placing the housing in a custom wooden case with shock-proof padding. This packaging approach guarantees corrosion protection and safe long-distance shipping

회사 프로필

뤄양포뇨중공업(Luoyang Fonyo Heavy Industries), 주식회사, 설립된 1998, covers an area of 72,600㎡ and employs over 300 staff, 포함 32 skilled technicians—5 senior engineers, 11 보조 엔지니어, 그리고 16 기술자. Our company has been recognized multiple times as the Luoyang Engineering Technology Center, 낙양기술R&D센터, and a National High-tech Enterprise.

With an annual production capacity of 30,000 톤, we specialize in 설계, 주조, 가공, assembly, and inspection of large-scale castings for the railway and wind power industries. Our main products include cast steel and cast iron (회색 철, 연성이 있는 철, 등.) for locomotives, 철도 차량, 고속 열차, 광산 장비, and wind turbines.

Equipped with advanced design capabilities, precise casting processes, comprehensive machining, and rigorous quality inspection, we ensure each product meets the highest industry standards. 게다가, we provide professional after-sales support to guarantee customer satisfaction.

Our products have been exported to over 10 countries, including Russia, 미국, 독일, 아르헨티나, 일본, 프랑스, 남아프리카, 그리고 이탈리아, demonstrating our strong international presence in heavy industrial castings.

자주 묻는 질문

1분기: Are you a manufacturer or a trading company?
에이: We are a professional manufacturer. 설립연도 1998, we have nearly 30 years of experience in the casting industry. Our facility covers 72,600㎡, 공장건축면적 51,000㎡.

2분기: 주요 제품은 무엇입니까?
에이: 우리는 전문적으로 steel casting, 철 주조 (including gray iron and ductile iron), 완제품 가공, and component assembly. Our products serve industries such as railway locomotives, 철도 차량, 고속 열차, 광산 장비, 그리고 풍력.

3분기: How precise can you produce casting parts?
에이: We are capable of producing casting parts using various casting processes with high precision. All production strictly complies with ISO 9001, ISO 14001, ISO 45001, 안에 15085, 그리고 아이리스 표준.

4분기: Can you produce according to samples or drawings?
에이: 예, we can manufacture parts based on your samples or technical drawings. If needed, we can also create professional drawings for you from your samples.

Q5: How do you ensure quality control before delivery?
에이: Quality control is critical for ensuring the reliability of our castings. We conduct three stages of inspection throughout the production process. Before delivery, we provide clients with material test reports, dimensional inspection reports, and mechanical properties test reports to guarantee product quality.