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CNC Home Appliance Parts Technical Specifications
| Component Types | Liquid Cold Plates, Heat Sink Bases, Thermal Pipe Brackets, Micro-Fin Structures |
|---|---|
| Primary Equipment | Star CNC Swiss-type Lathes, 4-axis CNC Machining Centers, Surface Grinders |
| Dimensional Tolerance | Critical Mounting Holes: ±0.005mm; General Tolerances: ±0.01mm |
| Geometric Tolerances | Surface Flatness: 0.01mm; Parallelism: 0.01mm; Perpendicularity: 0.02mm |
| Common Materials | AL6061-T6, AL7075-T651, C11000 Pure Copper, AL2024 |
| Surface Roughness (Ra) | Thermal Contact Surfaces (Ground): Ra 0.2 - Ra 0.4; Milled Fins: Ra 0.8 |
| Machining Features | Micro Heat Dissipation Fins, Blind Cooling Channels, O-Ring Grooves, Threaded Inserts |
| Surface Treatments & Cleaning | Type II/III Anodizing, Nickel Plating (Copper), Passivation, Ultrasonic Cleaning |
| Inspection Equipment | Japanese/German CMM, Surface Flatness Testers, Roughness Testers |
High-Precision CNC Home Appliance Parts for Optimal Thermal Management
At Xierge Precision Machinery Co., Ltd., we leverage over 30 years of operational experience since 1990 to manufacture premium CNC Home Appliance Parts for the global automotive, medical equipment, and consumer electronics sectors. Thermal management components—such as liquid cold plates, heat sink bases, thermal pipe brackets, and micro-fin structures—are critical for transferring and dissipating extreme heat generated by high-power electronics, EV batteries, and laser systems. These demanding applications require the components to possess extreme flatness on thermal contact surfaces, flawless geometric integrity for fluid-tight sealing, and complex micro-features to maximize surface area. In high-heat-density environments, even a microscopic deviation in surface flatness or a slight defect in a cooling channel can lead to thermal throttling, fluid leakage, and catastrophic system failure.
To achieve flawless results, our state-of-the-art facility is equipped with Japanese imported Star CNC Swiss-type lathes, advanced 4-axis CNC machining centers, and high-precision surface grinders. This specialized equipment allows us to machine complex stepped profiles, mill intricate micro heat dissipation fins, and drill cross-ports for liquid cooling channels in a single continuous setup. The rigid guide bushing support on our Swiss lathes completely eliminates deflection, ensuring absolute coaxiality and strict geometric tolerances across the entire workpiece.
Following our core principle of "Integrity Oriented, Quality Foremost," we strictly adopt premium high-thermal-conductivity raw materials, such as AL6061-T6, AL7075, and C11000 pure copper, to ensure maximum structural integrity and heat transfer efficiency. 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 Home Appliance Parts
- Extreme Flatness on Thermal Contact Surfaces: We utilize precision surface grinding and specialized milling strategies to achieve 0.01mm flatness on heat sink bases, ensuring maximum thermal contact and efficient heat transfer.
- Advanced Micro-Fin Profiling: Utilizing 4-axis CNC machining centers, we execute specialized trochoidal milling paths to cut delicate, high-aspect-ratio micro-fins, maximizing convective surface area without fracturing the thin aluminum walls.
- Zero-Leakage Cooling Channels: By utilizing synchronized live tooling, we machine internal blind cooling channels and precision O-ring grooves in a single setup, ensuring strict perpendicularity and 100% leak-proof liquid cold plates.
- Expertise in High-Conductivity Materials: We have developed mature cutting parameters for challenging thermal materials like pure copper and AL7075, preventing material galling and ensuring smooth fluid paths.
- Anodizing Tolerance Compensation: We possess deep expertise in pre-anodizing dimensional control, precisely calculating negative tolerances to account for Type II or Type III anodizing coating thickness on mounting holes.
- Thermal Expansion Control: Aluminum expands rapidly under cutting heat. We implement MQL (Minimum Quantity Lubrication) and rigid clamping to dissipate heat instantly, preventing post-machining warpage.
- 3-Decade Thermal OEM/ODM Expertise: Since 1990, we have continuously innovated, providing DFM (Design for Manufacturing) optimization for custom thermal management assemblies, scaling seamlessly from prototyping to 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 Home Appliance Parts, we accept standard T/T (Telegraphic Transfer) with a 30% advance deposit and 70% balance before shipment. For large-scale automotive or electronics 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 heat dissipation components often feature delicate micro-fins, flat ground surfaces, and thin-walled cooling channels highly susceptible to scratching, denting, and bending, we utilize specialized protective packaging: all thermal contact surfaces are protected with a non-residue protective film. Components are individually wrapped in anti-static bags and separated by custom multi-layer EPE foam slots or rigid blister trays to prevent any metal-to-metal contact friction. They are then packed in sturdy export-grade double-wall cartons on heat-treated wooden pallets to ensure zero damage during international transit.
FAQ
Thermal contact surfaces require microscopic flatness to ensure heat transfers efficiently to the cold plate. After CNC rough and finish milling, we utilize high-precision surface grinding machines. This removes any milling tool marks and corrects microscopic thermal warpage, achieving flatness within 0.01mm, ensuring perfect mating with high-power electronic components.
Machining high-aspect-ratio fins requires specialized tool paths. We utilize trochoidal milling and specialized single-flute polished carbide end mills with optimized chip loads. The high-speed, low-radial-force cutting strategy prevents tool deflection and keeps the thin fins rigid, allowing us to maximize the convective surface area safely.
Pure copper is highly ductile and tends to stick to cutting tools, causing galling and poor surface finish. We utilize ultra-sharp, polished single-crystal diamond or specialized carbide inserts with positive rake angles. Combined with high-pressure air and specialized cutting fluids, we rapidly evacuate chips and prevent material buildup, ensuring smooth fluid paths.
Type III hard anodizing builds up a thick oxide layer that can interfere with mating threads. We precisely pre-machine the threads with a specific negative tolerance allowance. Alternatively, we utilize specialized masking techniques to protect critical threaded holes and sealing areas from anodizing buildup entirely, ensuring perfect post-treatment assembly.
Yes. By utilizing synchronized live tooling on our CNC Swiss lathes and 4-axis machining centers, we can drill cross-ports, machine blind cooling channels, and cut precision O-ring grooves without unclamping the part. This eliminates secondary clamping errors, ensuring the sealing face remains perfectly perpendicular to the fluid path for a 100% leak-proof assembly.
Absolutely. Adhering to our "Quality Foremost" principle, we provide complete quality documentation with every batch. This includes material mill certificates (verifying thermal conductivity specs), full dimensional layouts, surface flatness maps generated by our Japanese and German CMMs, and surface roughness reports.
