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Swiss-Type CNC Machined Parts Technical Specifications
| Part Types | Precision Pins, Slender Shafts, Sensor Housings, Valve Spools, Medical Implants |
|---|---|
| Primary Equipment | Japanese Star CNC Swiss-Type Lathes, Multi-axis Machining Centers |
| Bar Stock Diameter Range | 1.0mm to 32mm |
| Dimensional Tolerance | Critical Diameters: ±0.002mm; General: ±0.005mm |
| Geometric Tolerances | Concentricity: 0.003mm; Straightness: 0.002mm/100mm; Cylindricity: 0.002mm |
| Common Materials | SUS303/304/316L, 17-4PH, 12L14 Carbon Steel, Brass C36000, Titanium |
| Surface Roughness (Ra) | Turned Surfaces: Ra 0.4; Ground/Polished Surfaces: Ra 0.1 |
| Machining Features | Cross-Drilling, Micro-Tapping, Slotted Heads, Back-Facing, Eccentric Bores |
| Surface Treatments & Cleaning | Passivation, Anodizing, Plating, Ultrasonic Cleaning, Cleanroom Packaging |
| Inspection Equipment | Japanese/German CMM, Video Measurement Systems (VMS), Roundness Testers |
Ultra-Precision Swiss-Type CNC Machined Parts for Complex Slender Geometries
At Xierge Precision Machinery Co., Ltd., we leverage over 30 years of operational experience since 1990 to manufacture premium Swiss-Type CNC Machined Parts for the global automotive, medical, industrial machinery, and home appliance sectors. Swiss-type machining is the ultimate solution for producing long, slender, and highly complex components such as medical guide pins, automotive sensor housings, valve spools, and precision contact pins. These demanding applications require extreme dimensional stability, flawless concentricity across multiple stepped diameters, and superior surface finishes. In high-speed rotary or critical fluid control systems, even a microscopic deviation in straightness or a slight surface defect can lead to binding, leakage, or catastrophic mechanical failure.
To achieve flawless results, our state-of-the-art facility is equipped with Japanese imported Star CNC Swiss-type lathes. The specialized guide bushing technology on these machines provides continuous, rigid support to the bar stock mere millimeters from the cutting tool, completely eliminating deflection and vibration when machining high aspect-ratio parts. This allows us to turn complex stepped profiles, mill cross-holes, and drill micro-center bores in a single continuous setup. By eliminating secondary clamping, we ensure absolute coaxiality and strict geometric tolerances across the entire workpiece.
Following our core principle of "Integrity Oriented, Quality Foremost," we strictly adopt premium raw materials, including 17-4PH stainless steel, free-cutting brass, and 12L14 carbon steel, to ensure optimal machinability and structural integrity. To guarantee reliable product performance, we apply strict quality inspection protocols utilizing a complete set of testing instruments imported directly from Japan and Germany. We keep innovating to maintain sound business development and warmly welcome domestic and overseas clients to visit our factory and explore custom OEM/ODM cooperation opportunities.
Core Advantages of Xierge Swiss-Type CNC Machined Parts
- Zero-Deflection Slender Machining: Our Japanese Star CNC Swiss-type lathes utilize continuous guide bushing support, enabling the machining of high aspect-ratio pins and shafts without bending, vibrating, or losing tolerance.
- Single-Setup Complex Geometries: By utilizing synchronized main and sub-spindles along with live tooling, we can turn, mill, drill cross-holes, and back-face parts in one continuous operation, eliminating secondary clamping errors.
- Extreme Concentricity Control: Because the tools move across the stationary guide bushing, we maintain strict coaxiality between multiple stepped diameters on a single part, ensuring flawless assembly.
- Micro-Machining Capability: We excel at processing small-diameter bar stock (down to 1mm), allowing us to create micro-threads, miniature grooves, and sub-millimeter internal bores for medical and electronic applications.
- Burr-Free Precision: To prevent internal debris from jamming mechanisms, we utilize specialized back-chamfering tools and optimize tool paths to prevent burrs at cross-hole intersections, followed by rigorous ultrasonic cleaning.
- Superior Surface Finishes: The rigid support of the guide bushing allows for highly precise, vibration-free cutting, resulting in excellent surface finishes (Ra 0.4) directly off the machine, often eliminating the need for secondary polishing.
- 3-Decade OEM/ODM Expertise: Since 1990, we have continuously innovated, providing DFM (Design for Manufacturing) optimization for complex custom designs, scaling seamlessly from rapid prototyping to high-volume mass production.
Payment Methods & Global Logistics Solutions
Secure International Payment Terms:
To facilitate smooth B2B international trade, we offer flexible and secure payment options. For mass production orders of Swiss-type CNC machined parts, we accept standard T/T (Telegraphic Transfer) with a 30% advance deposit and 70% balance before shipment. For large-scale automotive or medical supply contracts, we are fully capable of processing Irrevocable Letters of Credit (L/C) at sight. For initial prototyping, sample orders, or custom tooling fees, PayPal and Western Union are also available to expedite the process.
Global Logistics & Protective Packaging:
We provide comprehensive end-to-end shipping solutions under FOB, CIF, and DAP Incoterms. For urgent prototypes or small batches, we utilize expedited international couriers such as DHL, FedEx, and UPS. For bulk mass production, we offer highly competitive sea freight (LCL/FCL) and air cargo rates through our trusted global forwarder network. Recognizing that Swiss-type parts are often long, slender, or micro-sized components with delicate features highly susceptible to bending, scratching, and oxidation, we utilize specialized protective packaging: each component is individually coated in anti-rust oil and wrapped in VCI (Volatile Corrosion Inhibitor) paper. To prevent point contact and deformation, parts are suspended in custom rigid cardboard tubes, partitioned in multi-layer EPE foam slots, or placed in anti-static blister trays for micro-parts, packed in sturdy export-grade cartons to ensure zero deformation during international transit.
FAQ
Unlike conventional lathes where the workpiece is supported only at the chuck, our Star CNC Swiss-type lathes pass the bar stock through a close-fitting, carbide-lined guide bushing. The cutting tool engages the material just millimeters away from this bushing. This continuous, rigid support completely neutralizes the radial cutting forces, allowing us to machine parts with a 10:1 length-to-diameter ratio without any bending or vibration.
Yes. Our machines are equipped with synchronized live tooling. After turning the outer diameter, the main spindle stops at an exact orientation (C-axis), and live milling tools cut flats, drill cross-holes, or tap threads directly on the machine. Because these operations occur in the same setup without unclamping the part, we maintain strict positional tolerances and concentricity.
Burrs inside cross-holes can break off and destroy hydraulic or medical mechanisms. We utilize specialized back-chamfering tools accessible via our sub-spindle. For micro-parts where tools cannot reach, we employ thermal energy deburring (TEM) or electropolishing to dissolve the burrs at the molecular level, guaranteeing 100% smooth internal paths.
Thin pins naturally warp during quenching. We account for this by leaving a precise centerless grinding allowance before heat treatment. Post-quenching, we utilize precision CNC centerless or cylindrical grinders to systematically remove the deformed outer layer, restoring the exact diameter, cylindricity, and strict straightness tolerances required.
Swiss-type machines excel with free-machining materials. We highly recommend SUS303 stainless steel for corrosion-resistant applications, 12L14 carbon steel for extreme high-speed turning, and C36000 free-cutting brass for superior surface finishes and chip breaking. For medical applications, we routinely process 316LVM and titanium with optimized tool paths.
Absolutely. Adhering to our "Quality Foremost" principle, we are fully compliant with strict industry standards. For high-volume production, we utilize in-process gauging and automated vision measurement systems to track dimensional drift. We provide complete SPC data, Cpk/Ppk capability studies, PPAP documentation, and material mill certificates to ensure seamless integration into your supply chain.
