Qingdao Sande Technology Co., LTD
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CNC broaching of automotive parts, high-speed stainless steel/zinc alloy forming precision parts
Product Overview :
We specialize in high-precision CNC broaching and high-speed metal forming for automotive applications, delivering superior-quality stainless steel and zinc alloy precision parts. Our advanced manufacturing capabilities ensure tight tolerances, durability, and cost efficiency for automotive, EV, and industrial components.
Key Features & Advantages:
Precision CNC Broaching – High-accuracy internal keyways, splines, and complex geometries for transmissions, gears, and drivetrain components.
High-Speed Stainless Steel Forming – Rapid prototyping and mass production of corrosion-resistant, high-strength brackets, connectors, and structural parts.
Zinc Alloy Precision Parts – Lightweight, high-ductility components for electrical housings, sensors, and fasteners with excellent surface finish. Strict Tolerances – Machining precision up to ±0.01mm for critical automotive applications.
End-to-End Solutions – From prototyping to high-volume production with ISO 9001-certified quality control.
Technical Specifications :
| Category | Parameter | Specifications |
|---|---|---|
| Processes | CNC Broaching | Internal keyways, splines, gears |
| High-Speed Forming | Stainless steel & zinc alloy precision parts | |
| Materials | Stainless Steel | 304, 316, 17-4PH, 416, custom grades |
| Zinc Alloys | Zamak 3, Zamak 5, ZA-8, ZA-12 | |
| Precision | Dimensional Tolerance | ±0.01mm (CNC broaching) |
| ±0.05mm (high-speed forming) | ||
| Surface Roughness | Ra 0.8μm (broached surfaces) | |
| Size Range | CNC Broaching | Diameter: 5-300mm |
| Length: up to 1000mm | ||
| Formed Parts | 5-500mm (custom sizes available) | |
| Production | Lead Time (Prototype) | 7-15 working days |
| Lead Time (Mass Production) | 15-30 days (MOQ-dependent) | |
| Quality | Standards | ISO 9001, IATF 16949, ASTM A582 |
| Testing | CMM inspection, hardness testing | |
| Post-Processing | Options | Anodizing, plating, powder coating |
| Applications | Automotive Focus | EV components, transmission systems |
Electric Vehicles (EVs): Battery housings, motor components, charging connectors
Transmission Systems: Gears, splined shafts, synchronizer hubs
Chassis & Suspension: Bushings, brackets, mounting plates
Fuel & Emission Systems: Nozzles, valves, sensor housings
Interior & Electronics: Zinc alloy die-cast fittings, connectors
Why Choose Us?
✔ Advanced CNC & Multi-Axis Machining – Consistent precision for complex geometries.
✔ Fast Turnaround – Prototyping and mass production support.
✔ Material Expertise – Stainless steel (304, 316), zinc alloy (Zamak 3/5), and custom alloys.
✔ Quality Assurance – 100% dimensional inspection and material testing.
✔ OEM/ODM Services – Custom designs tailored to your specifications.
Contact Us
For more information or to request a quote, please feel free to contact us. Our professional team is ready to assist you.