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Custom Rail Train Castings & Forgings

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Custom Metal Parts For Rail Train

Customized railway train metal components are designed and manufactured according to the specific needs of the railway industry, including brake systems, wheels, axles, couplings and structural parts, track parts and other components. These parts are usually made of high-strength materials such as steel or iron. Through precise drawing design and customized manufacturing processes, the durability, wear resistance and corrosion resistance of the components can be ensured, as well as the ability to withstand extreme operating conditions such as heavy loads, high speeds and changing weather environments.

Rail Train Parts Classification

1. Wheel and Axle Assembly

The wheel and axle assembly is a critical component for the stability and movement of rail trains, providing both support and traction. Castings are typically used for wheel hubs and axle housings due to their complex shapes and structural integrity. Forgings are employed for axles and wheels to ensure strength, durability, and resistance to fatigue under heavy loads and constant use.

· Castings: Wheel hubs, Axle housings

· Forgings: Train wheels, Axles


Custom Rail Train Casting & Forging Metal Parts

2. Brake System

The brake system ensures the safe stopping and control of the train, especially under high-speed or heavy-load conditions. Castings are often used for brake components like calipers or housings, which require intricate shapes and high strength. Forgings are used for critical components such as brake discs or pistons, where high wear resistance and mechanical strength are essential.

· Castings: Brake calipers, Brake housings

· Forgings: Brake discs, Brake pistons


3. Coupling System

The coupling system connects multiple carriages of a train, transferring power and ensuring structural integrity during movement. Castings are used for coupling housings, while forgings are necessary for the main coupler components, which must withstand high forces and provide long-term reliability under dynamic conditions.

· Castings: Coupling housings

· Forgings: Couplers, Coupling pins


4. Suspension System

The suspension system supports the weight of the train and absorbs vibrations from the track, ensuring smooth operation. Castings are typically used for suspension brackets or housings, whereas forgings are employed for components like suspension springs or leaf spring brackets that experience high loads and stresses.

· Castings: Suspension brackets, Housings

· Forgings: Suspension springs, Leaf spring brackets


5. Frame and Chassis

The frame and chassis form the structural foundation of the rail train, providing the necessary strength and rigidity to support all other components. Castings are used for complex frame components, while forgings are used for critical load-bearing parts like cross members, ensuring robustness under extreme stresses.

· Castings: Frame components, Support brackets

· Forgings: Cross members, Chassis components


6. Engine Components

Engine components are responsible for generating the power necessary for train operation. Castings are used for engine blocks and various housings, while forgings are used for components such as crankshafts and connecting rods that must withstand high levels of stress, heat, and wear over time.

· Castings: Engine block, Oil pan

· Forgings: Crankshaft, Connecting rods


7. Railway Track Components

Railway track components include elements that ensure secure rail fastening and proper alignment. Castings are used for rail chairs, baseplates, and fishplates, which are subject to complex loading conditions. Forgings are utilized for components like rail clips and fasteners that need to provide high strength and maintain tight tolerances.

· Castings: Rail chairs, Baseplates, Fishplates

· Forgings: Rail clips, Track fasteners


Available Materials For Rail Train Parts

Cast Iron

Gray cast iron and ductile iron have excellent casting properties, strong wear resistance and outstanding vibration damping ability. They are widely used in the production of structural parts of railway train components. These materials are very suitable for heavy-duty applications requiring complex geometries and have excellent durability and stability under high load conditions.

Steel

Steel is widely used in railway vehicle components due to its excellent mechanical properties, including high tensile strength, toughness and fatigue resistance. Steel forgings are used in applications that require excellent strength and performance under high stress and high load conditions; steel castings are used for components with precise and complex shapes for trains and tracks.

Aluminum Alloy

Aluminum alloy is lightweight, corrosion-resistant and has good mechanical properties. It is an ideal material for reducing weight without sacrificing strength. It is typically used for non-load-bearing components, structural elements and components exposed to corrosion, helping to improve the overall energy efficiency and performance optimization of railway trains.

Other Metal Alloys

In addition to the common materials of cast iron, steel, and aluminum, other specialized alloys are employed in rail train parts to meet unique performance requirements. These alloys are often selected for their superior properties, such as heat resistance, corrosion resistance, or high strength, in specific applications that demand extreme performance.

Cast Iron

Gray cast iron and ductile iron have excellent casting properties, strong wear resistance and outstanding vibration damping ability. They are widely used in the production of structural parts of railway train components. These materials are very suitable for heavy-duty applications requiring complex geometries and have excellent durability and stability under high load conditions.

Steel

Steel is widely used in railway vehicle components due to its excellent mechanical properties, including high tensile strength, toughness and fatigue resistance. Steel forgings are used in applications that require excellent strength and performance under high stress and high load conditions; steel castings are used for components with precise and complex shapes for trains and tracks.

Aluminum Alloy

Aluminum alloy is lightweight, corrosion-resistant and has good mechanical properties. It is an ideal material for reducing weight without sacrificing strength. It is typically used for non-load-bearing components, structural elements and components exposed to corrosion, helping to improve the overall energy efficiency and performance optimization of railway trains.

Other Metal Alloys

In addition to the common materials of cast iron, steel, and aluminum, other specialized alloys are employed in rail train parts to meet unique performance requirements. These alloys are often selected for their superior properties, such as heat resistance, corrosion resistance, or high strength, in specific applications that demand extreme performance.

How To Customize Rail Train Parts

3D Drawings

3D Drawings

Processing Drawings

Processing Drawings

Sample

Sample

1. Provide Detailed Design Documents Or Samples

Simis engineer team will analyze the rail train part 3D drawings (CAD models) and processing drawings or Rail Train part samples provided by customers to ensure that the parts meet the manufacturing requirements.

2. Confirm Material/Process/Performance

According to the use environment and technical requirements of railway parts, combined with the price, shape, size, precision, material, surface quality, etc. of the parts, formulate appropriate parts manufacturing process. Simis will also give reasonable suggestions for customers' reference based on the price, mechanical properties, wear resistance, etc. of the materials.

3. Make Production Molds And Samples

After both parties confirm that everything is correct, Simis will make the parts mold and samples. It usually takes about 30 to 45 days to make samples, which includes designing molds, making molds, casting/forging, heat treatment, machining, surface treatment and other steps.

4. Comprehensive Sample Inspection

After production is completed, the samples will be fully inspected to ensure that they meet the design standards and customer quality requirements. Simis can provide sample inspection reports such as dimensional and tolerance inspection, mechanical property testing, chemical composition analysis, and non-destructive testing.

5. Mass Production

After the sample is approved by the customer, Simis will arrange a mass production plan according to the order requirements. The mass production process uses the same casting/forging equipment and process as the sample stage to ensure that each batch of customized railway train parts is exactly the same.

6. Post-production Parts Multiple Quality Inspections

After mass production is completed, all parts will undergo detailed quality inspections, and multiple sampling tests will be conducted before packaging and shipment to ensure that the mass-produced railway train parts meet customer requirements.

1. Provide Detailed Design Documents Or Samples

Simis engineer team will analyze the rail train part 3D drawings (CAD models) and processing drawings or Rail Train part samples provided by customers to ensure that the parts meet the manufacturing requirements.

2. Confirm Material/Process/Performance

According to the use environment and technical requirements of railway parts, combined with the price, shape, size, precision, material, surface quality, etc. of the parts, formulate appropriate parts manufacturing process. Simis will also give reasonable suggestions for customers' reference based on the price, mechanical properties, wear resistance, etc. of the materials.

3. Make Production Molds And Samples

After both parties confirm that everything is correct, Simis will make the parts mold and samples. It usually takes about 30 to 45 days to make samples, which includes designing molds, making molds, casting/forging, heat treatment, machining, surface treatment and other steps.

4. Comprehensive Sample Inspection

After production is completed, the samples will be fully inspected to ensure that they meet the design standards and customer quality requirements. Simis can provide sample inspection reports such as dimensional and tolerance inspection, mechanical property testing, chemical composition analysis, and non-destructive testing.

5. Mass Production

After the sample is approved by the customer, Simis will arrange a mass production plan according to the order requirements. The mass production process uses the same casting/forging equipment and process as the sample stage to ensure that each batch of customized railway train parts is exactly the same.

6. Post-production Parts Multiple Quality Inspections

After mass production is completed, all parts will undergo detailed quality inspections, and multiple sampling tests will be conducted before packaging and shipment to ensure that the mass-produced railway train parts meet customer requirements.

Custom Processing of Rail Train Parts

Casting

Casting

In the railway train parts industry, casting processes are used to produce metal critical components of various complex shapes and sizes such as train wheels, brake housings and engine blocks. These parts require high structural integrity and durability to withstand the heavy loads, vibrations and environmental conditions common in railway systems.

Forging

Forging

In the field of railway train components, forging processes are used to produce high-strength components such as axles, suspension components and coupling mechanisms. These forged components have excellent fatigue resistance and mechanical strength, ensuring the safety, reliability and service life of the train system under extreme operating conditions.

Heat Treatment

Heat Treatment

In the railway train parts industry, heat treatment is used to improve the mechanical properties of components such as train wheels, rails and axles, and to increase the wear resistance, toughness and fatigue strength of parts, especially those used in railway transportation systems that are exposed to continuous friction, high pressure and thermal cycles.

Machining

Machining

In the railway train parts industry, machining ensures that critical components such as engine parts, bearing seats and gears meet strict tolerances and quality standards, ensuring that railway systems operate safely and efficiently.

Sheet Metal Fabrication

Sheet Metal Fabrication

In the field of railway train components, sheet metal processing is used to manufacture parts such as train body panels, internal frames and safety shields. Sheet metal processing provides lightweight, durable components that improve the overall structural integrity, safety and performance of the train.

Surface Treatment

Surface Treatment

In the railway train components industry, surface treatment processes such as galvanizing, anodizing and coating are used to protect components from corrosion, wear and environmental damage. Train components such as wheels, axles and brake systems are often surface treated to improve their durability, reduce maintenance and extend the life of critical components that operate under harsh operating conditions.

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