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CNC Liquid Cooling System Components Technical Specifications
| Shaft Types | Micro-Motor Rotors, Guide Pins, Valve Stems, Surgical Linkages, Drive Pins |
|---|---|
| Primary Equipment | Japanese Star CNC Swiss-Type Lathes, Centerless Grinders |
| Diameter Range | 0.5mm to 20mm |
| Dimensional Tolerance | Critical Diameters: ±0.002mm; General: ±0.005mm |
| Geometric Tolerances | Straightness: 0.002mm/100mm; Concentricity: 0.003mm; Cylindricity: 0.002mm |
| Common Materials | SUS303, SUS304, SUS316L, 17-4PH, 12L14 Carbon Steel, HSS |
| Surface Roughness (Ra) | Turned Surfaces: Ra 0.4; Ground/Polished Surfaces: Ra 0.1 |
| Machining Features | Micro-Tapping, Radial Cross-Holes, Snap Ring Grooves, D-Cuts, Threaded Ends |
| Surface Treatments & Cleaning | Passivation, Electropolishing, Hard Chrome Plating, Ultrasonic Cleaning |
| Inspection Equipment | Japanese/German CMM, Video Measurement Systems (VMS), Roundness Testers |
Ultra-Precision CNC Liquid Cooling System Components for High-Speed and Micro-Mechanical Applications
At Xierge Precision Machinery Co., Ltd., we leverage over 30 years of operational experience since 1990 to manufacture premium CNC Liquid Cooling System Components for the global automotive, medical, and home appliance sectors. Small diameter shafts—such as micro-motor rotors, guide pins, valve stems, and surgical instrument linkages—are critical rotary components characterized by high length-to-diameter ratios. These demanding applications require the shafts to possess extreme dimensional stability, flawless concentricity across multiple stepped diameters, and superior surface finishes. In high-speed micro-motors or sensitive medical devices, even a microscopic deviation in straightness or a slight surface defect can lead to excessive vibration, bearing binding, 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. This completely eliminates deflection and vibration when machining long, slender geometries. This specialized equipment allows us to turn complex stepped profiles, drill micro-center bores, and machine intricate retaining ring grooves 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 SUS303/304 stainless steel, 17-4PH, and high-speed 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 CNC Liquid Cooling System Components
- Zero-Deflection High Aspect-Ratio Machining: Our Japanese Star CNC Swiss-type lathes utilize continuous guide bushing support, enabling the machining of long, slender shafts (L/D ratio > 10:1) without bending, vibrating, or losing tolerance.
- Extreme Concentricity Control: Because the tools move across the stationary guide bushing, we maintain strict coaxiality between multiple stepped diameters and threaded ends on a single shaft, ensuring flawless assembly into precision mechanisms.
- Micro-Machining Capability: We excel at processing small-diameter bar stock (down to 0.5mm), allowing us to create micro-threads, miniature grooves, and sub-millimeter internal bores for medical and electronic applications.
- Superior Surface Finishes: The rigid support of the guide bushing allows for highly precise, vibration-free cutting. We achieve excellent surface finishes (Ra 0.4) directly off the machine, often eliminating the need for secondary polishing.
- Burr-Free Precision: To prevent internal debris from jamming micro-mechanisms, we utilize specialized back-chamfering tools and optimize tool paths to prevent burrs at cross-hole intersections, followed by rigorous ultrasonic cleaning.
- Thermal Deformation Correction: For hardened small shafts, we meticulously manage heat treatment and utilize precision centerless or cylindrical grinding to correct any micro-warping, restoring exact cylindricity and straightness tolerances.
- 3-Decade OEM/ODM Expertise: Since 1990, we have continuously innovated, providing DFM (Design for Manufacturing) optimization for complex custom shaft 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 CNC Liquid Cooling System Components, 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 small diameter shafts are highly susceptible to bending, scratching, and oxidation during transit, 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 shafts with a 10:1 length-to-diameter ratio without any bending or vibration.
Thin shafts 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 grinders to systematically remove the deformed outer layer, restoring the exact diameter, cylindricity, and strict straightness tolerances required for high-speed applications.
Burrs inside cross-holes can break off and destroy micro-mechanisms or medical valves. 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.
Swiss-type machines excel with free-machining materials. We highly recommend SUS303 stainless steel for its corrosion resistance and excellent chip-breaking properties. For applications requiring extreme magnetic permeability and high-speed rotational stability, 12L14 free-cutting carbon steel or specific stainless grades are ideal choices.
Standard tactile CMM probes can deform or damage micro-diameters. We utilize imported Japanese and German non-contact Video Measurement Systems (VMS) and optical comparators. These systems utilize high-resolution cameras to map the part's geometry optically, verifying concentricity and straightness down to sub-micron levels without touching the part.
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.
