Products
Grey iron casting +
Ductile iron casting +
Carbon steel casting +
Alloy Steel casting +
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Carbon Steel Wheel

Carbon steel wheels are robust and durable components widely used in industrial machinery, material handling equipment, rail transport, mining vehicles, and heavy-duty carts. Manufactured from high-strength carbon steel, these wheels offer exceptional load-bearing capacity, wear resistance, and impact toughness. Precision machining ensures smooth rolling, reduced vibration, and long service life, even under demanding operating environments.

Product Description

 

Key Features

  • High Strength and Load Capacity – Can withstand heavy loads and high torque in industrial applications.

  • Durable and Wear-Resistant – Long-lasting performance under continuous operation and abrasive conditions.

  • Precision Machined – Ensures accurate alignment, smooth rotation, and minimal vibration.

  • Good Corrosion Resistance – Optional surface treatments protect against rust and environmental factors.

  • Customizable Design – Available in various diameters, groove types, and hub configurations to fit different belts and shafts.

Production Process
1. Pattern Design and Manufacturing

3D models are created based on customer drawings, considering shrinkage and machining allowance.
Patterns are CNC-machined from wood, aluminum, or resin, depending on accuracy and production volume. Wood is used for small batches, aluminum for durability, and resin for complex, high-precision parts.
2. Molding

Green sand molding is used for standard shapes and high-volume production, offering good economy and speed. Resin sand molding is selected for complex geometries or tighter tolerance needs.
Cores are made when internal passages are required. Core shooting machines produce sand cores using cold-box or hot-box technology, which are then precisely placed into the mold before pouring.
3. Melting and Pouring

Grey iron is melted in a medium-frequency induction furnace. The raw material mix typically includes pig iron, scrap steel, and recycled castings to ensure stable composition.
Molten iron is poured into the prepared molds at controlled temperatures, usually between 1350°C and 1450°C, to ensure smooth flow, complete filling, and minimal casting defects.
6. Machining (if required)

CNC machining is applied to critical surfaces to achieve required tolerances and finishes. This includes milling, turning, and surface grinding as needed.
Holes are drilled and threads are tapped according to drawing specifications. Additional treatments such as deburring or surface coating may also be performed upon request.
5. Cleaning and Fettling

Castings are cleaned by shot blasting to remove sand residue, scale, and oxides, revealing the metal surface underneath.
Fettling involves removing gating systems, risers, and any excess material using cutting tools or grinders. Care is taken not to affect dimensional accuracy.
4. Cooling and Shakeout

Castings are cooled in the mold under controlled conditions to minimize internal stress and distortion. Cooling time varies depending on part size and wall thickness.
After cooling, molds are broken apart and the castings are removed. The sand is separated and recycled for use in future molds.
1. Pattern Design and Manufacturing

3D models are created based on customer drawings, considering shrinkage and machining allowance.
Patterns are CNC-machined from wood, aluminum, or resin, depending on accuracy and production volume. Wood is used for small batches, aluminum for durability, and resin for complex, high-precision parts.
2. Molding

Green sand molding is used for standard shapes and high-volume production, offering good economy and speed. Resin sand molding is selected for complex geometries or tighter tolerance needs.
Cores are made when internal passages are required. Core shooting machines produce sand cores using cold-box or hot-box technology, which are then precisely placed into the mold before pouring.
3. Melting and Pouring

Grey iron is melted in a medium-frequency induction furnace. The raw material mix typically includes pig iron, scrap steel, and recycled castings to ensure stable composition.
Molten iron is poured into the prepared molds at controlled temperatures, usually between 1350°C and 1450°C, to ensure smooth flow, complete filling, and minimal casting defects.
6. Machining (if required)

CNC machining is applied to critical surfaces to achieve required tolerances and finishes. This includes milling, turning, and surface grinding as needed.
Holes are drilled and threads are tapped according to drawing specifications. Additional treatments such as deburring or surface coating may also be performed upon request.
5. Cleaning and Fettling

Castings are cleaned by shot blasting to remove sand residue, scale, and oxides, revealing the metal surface underneath.
Fettling involves removing gating systems, risers, and any excess material using cutting tools or grinders. Care is taken not to affect dimensional accuracy.
4. Cooling and Shakeout

Castings are cooled in the mold under controlled conditions to minimize internal stress and distortion. Cooling time varies depending on part size and wall thickness.
After cooling, molds are broken apart and the castings are removed. The sand is separated and recycled for use in future molds.
Quality Control

Quality Inspection

  • Chemical Composition Test – Spectrometer to verify alloy compliance

  • Hardness Testing – Rockwell or Brinell scale to confirm heat treatment results

  • Dimensional Accuracy – Gauges and CMM inspection for proper fitment

  • Wear Resistance Test – Simulation testing for performance verification

  • Fitment Check – Trial assembly with adapters and locking pins

QC
QC
QC
Packing and Delivery

Rust Protection Treatment
Before packaging, all castings undergo anti-rust treatment to ensure corrosion resistance during transportation and storage. Common treatments include applying anti-corrosion oil or a water-based rust inhibitor, especially for machined surfaces and critical contact areas.

Secure and Export-Ready Packaging
Each product is carefully packed in fumigation-free wooden crates or reinforced wooden pallets to ensure safety during handling and long-distance shipping. The packaging is compliant with international export standards (ISPM-15) and suitable for sea, air, or land transport.

  • Heavy or large parts are secured with steel straps and foam pads to prevent shifting or collision.

  • Small and medium-sized castings are individually wrapped and separated with protective padding to avoid surface damage.

  • If required, desiccant or shrink film is added inside the packaging to control moisture.

Customized Labeling and Marking
We provide customized labels, barcodes, and product markings based on customer requirements. Typical markings include:

  • Part number and revision code

  • Purchase order number

  • Heat number or batch number for full traceability

  • Customer logo or destination tags (if needed)

Lead Time
Standard lead time is 45 to 55 working days, depending on:

  • Order quantity

  • Whether machining or special testing is required

  • Pattern availability and casting complexity

Urgent delivery requests or phased shipments can be arranged upon agreement.

Packing
Packing