Precision Cast & Machined Gearbox Housing
Technical Specifications
|
Parameter |
Specification |
|
Casting Process |
Lost Wax Investment Casting (Silica Sol Process) |
|
Machining Accuracy |
Dimensional Tolerance: ISO 2768-mk / ±0.05mm critical features |
|
Surface Roughness |
Ra 3.2–6.3 μm (as-cast); Ra 1.6–3.2 μm (machined sealing faces) |
|
Weight Range |
5 kg – 150 kg per piece |
|
Heat Treatment |
Normalizing, Annealing, or Quenching & Tempering (as required) |
|
Surface Treatment |
Shot Blasting SA 2.5; Anti-rust Oil Coating; Primer Painting (optional) |
|
Quality Standards |
ISO 9001; IATF16949 |
Every Precision Cast & Machined Gearbox Housing undergoes 100% dimensional inspection using CMM (Coordinate Measuring Machine), surface defect detection via magnetic particle inspection (MPI) before shipment.
Key Features & Benefits
- Ultra-Precise Dimensions: CNC machining achieves tight tolerances (±0.05mm) on bearing bores and sealing faces, ensuring perfect component fit and eliminating assembly issues.
- Superior Mechanical Properties: Alloy steel construction provides excellent shock absorption, fatigue resistance, and anti-deformation capability under heavy cyclic loads.
- Leak-Proof Sealing: Precision-machined mating surfaces with flatness ≤0.05mm/100mm guarantee reliable gasket compression, preventing oil leakage and dust ingress.
- Harsh Environment Durability: Stable performance across operating temperatures from -40°C to +150°C; resistant to vibration, corrosion, and thermal cycling.
- Extended Equipment Life: Robust housing protection reduces internal gear wear, lowers maintenance frequency by up to 30%, and maximizes machinery uptime.
Applications
This gearbox housing serves as the foundational enclosure for gear reduction systems across multiple heavy industries:
|
Commercial Vehicles: |
Heavy-duty truck transmissions, differential housings |
|
Railway Systems: |
Locomotive gearboxes, traction motor housings |
|
Construction Machinery: |
Excavator swing drives, bulldozer transmission cases, crane hoist gearboxes |
|
Industrial Equipment: |
Mining conveyors, cement mill drives, agricultural machinery transmissions |
|
Energy Sector: |
Wind turbine gearboxes, pump drive systems |
Quality Assurance & Inspection
Our quality control protocol includes:
- Incoming Material Certification: Spectrometry analysis for chemical composition verification
- In-Process Inspection: Dimensional checks at casting, rough machining, and finish machining stages
- Final Inspection: CMM dimensional report, surface roughness measurement, MPI defect detection
- Documentation: Full inspection report and material test certificate (MTC) provided with each shipment
Packaging & Delivery
Each housing is individually wrapped with VCI anti-rust film, cushioned with PE foam, and packed into export-grade plywood crates or reinforced corrugated cartons based on weight and destination. Packaging complies with ISPM-15 standards for international wooden crate shipments. We coordinate with DHL, FedEx, sea freight, and rail logistics, providing real-time tracking and customs documentation support.
Customization & Services
|
OEM/ODM Support: |
Full customization from material selection to final machining per your 2D/3D drawings |
|
Technical Consultation: |
Dedicated engineering team for design optimization and material recommendation |
|
Sample Production: |
Prototype batch available for validation before mass production |
FAQ
|
Q1: |
What materials are available for the Precision Cast & Machined Gearbox Housing? |
|
A1: |
We offer alloy steels 42CrMo and 40Cr, and cast steel ZG270-500. Material selection depends on your operating load, temperature conditions, and cost requirements. Our engineers can recommend the optimal grade based on your application. |
|
Q2: |
Can you produce according to our drawings or samples? |
|
A2: |
Yes, we specialize in OEM and ODM manufacturing. We accept 2D/3D drawings, or physical samples. Our engineering team will review your specifications and provide DFM (Design for Manufacturability) feedback within 48 hours. |
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