Mining operations require specialized tools engineered to withstand extreme abrasion, corrosion, and mechanical stresses. Neway AeroTech, a dedicated superalloy casting foundry, delivers custom-made components tailored specifically for harsh mining applications. Leveraging advanced processes such as vacuum investment casting, we consistently provide mining tools characterized by superior precision, durability, and exceptional operational longevity.
Our extensive expertise and rigorous quality standards position us as a premier foundry for custom superalloy mining parts.
Manufacturing superalloy mining tools presents critical challenges:
Abrasion Resistance: Parts must withstand continuous exposure to abrasive conditions without rapid degradation.
Corrosion Resistance: Components must resist highly corrosive environments common in mining activities.
High Mechanical Strength: Tools must maintain tensile strengths over 900 MPa to endure severe operational loads.
Precision Tolerances: Dimensional tolerances must remain within ±0.10 mm, with surface finishes as fine as Ra 1.6 µm.
Precision wax models create accurate component geometries.
Ceramic molds formed around wax patterns, with wax removal at controlled temperatures (~180°C).
Vacuum casting under pressures below 0.01 Pa ensures purity and minimizes defects.
Controlled cooling rates (20–35°C/hour) reduce residual stresses.
Equiaxed casting generates uniform grain structures, enhancing overall component toughness.
Directional solidification aligns grains to significantly boost mechanical strength and creep resistance.
Thermal gradients (20–50°C/cm) precisely controlled to ensure optimal microstructural integrity.
Casting Method | Dimensional Accuracy | Surface Finish | Efficiency | Complexity |
|---|---|---|---|---|
Vacuum Investment Casting | ±0.15 mm | Ra 3.2–6.3 µm | Moderate | High |
Equiaxed Crystal Casting | ±0.20 mm | Ra 6.3–12.5 µm | Moderate | Moderate |
Directional Casting | ±0.20 mm | Ra 6.3–12.5 µm | Moderate | High |
CNC Machining | ±0.01 mm | Ra 0.8–3.2 µm | Moderate | Moderate |
Vacuum Investment Casting: Preferred for intricate geometries requiring high purity and accuracy within ±0.15 mm.
Equiaxed Crystal Casting: Ideal for components needing balanced mechanical properties and durability.
Directional Casting: Optimal for parts demanding superior strength and grain alignment for enhanced creep resistance.
CNC Machining: Suitable for precision finishing and tight dimensional tolerances (±0.01 mm).
Material | Tensile Strength | Yield Strength | Max Temp | Abrasion Resistance | Recommended Mining Applications |
|---|---|---|---|---|---|
860 MPa | 700 MPa | 850°C | Exceptional | High-wear cutting tools | |
1240 MPa | 1030 MPa | 704°C | Excellent | Load-bearing structural parts | |
750 MPa | 360 MPa | 1038°C | Superior | Corrosive mining environments | |
1200 MPa | 760 MPa | 900°C | Excellent | High-temperature drill bits | |
1300 MPa | 1150 MPa | 650°C | Outstanding | High-load mining components | |
1300 MPa | 1000 MPa | 1150°C | Exceptional | Single-crystal cutting blades |
Stellite 6: Recommended for extreme abrasion resistance at temperatures up to 850°C in cutting applications.
Inconel 718: Ideal for structural parts requiring high tensile strength (1240 MPa) and fatigue resistance.
Hastelloy C-276: Optimal for corrosive environments, maintaining structural integrity at temperatures up to 1038°C.
Nimonic 90: Preferred for drilling tools that demand high strength (1200 MPa tensile) and thermal stability (900°C).
Rene 95: Best suited for heavy-load mining components, delivering superior mechanical properties (1300 MPa tensile).
CMSX-4: Ideal for single-crystal blades requiring high creep resistance at elevated temperatures (1150°C).
Hot Isostatic Pressing (HIP): Removes porosity, enhancing structural integrity under conditions of 1200°C and 150 MPa.
Thermal Barrier Coating (TBC): Provides thermal insulation, reducing surface temperatures by ~200°C, significantly extending component life.
Electrical Discharge Machining (EDM): Enables precision machining of complex internal structures with tolerances up to ±0.005 mm.
Heat Treatment: Refines microstructure to improve strength, durability, and wear resistance.
Neway AeroTech recently delivered vacuum investment-cast Stellite 6 drill bits for a major global mining equipment supplier. Utilizing advanced HIP processes and precision heat treatments, our castings achieved unparalleled abrasion resistance, precise dimensional control (±0.15 mm), and significantly extended service life, surpassing standard industry benchmarks.
Our capabilities and superior material expertise solidify our reputation as a leading superalloy casting foundry for mining tools.
What is your standard lead time for custom-cast superalloy mining components?
Do you support prototype and low-volume production runs for mining parts?
What industry-specific standards and certifications do your mining components comply with?
Which superalloy materials provide optimal performance in highly abrasive mining environments?
Can your technical team assist in material selection and design optimization for custom mining parts?