Precision CNC Machining | Tolerances Down to ±0.005 mm
High-precision CNC milling, turning, and 5-axis machining for custom parts with tight dimensional requirements.
ISO 9001, ISO 13485, and AS9100 certified quality systems supporting medical, aerospace, robotics, electronics, and industrial applications.
Why Choose Sunpower Manufacturing for Precision CNC Machining?
Rapid prototyping and low-volume CNC machining for product development and production needs.
Certified precision CNC machining services meeting medical and industrial standards, guaranteeing strict quality control and tight tolerances.
Material certificates and CMM inspection reports are available based on project requirements.
±0.005 mm Precision
Tight dimensional control based on part requirements.
5-Axis CNC Machining
Multi-axis machining for complex geometries and multi-sided parts.
Multi-Material Machining
Aluminum, stainless steel, titanium, copper, plastics, and other engineering materials.
Semiconductor Parts
Typical Parts:
Wafer fixtures, vacuum components, equipment housings
Processes:
CNC milling, CNC turning, 5-axis machining
Materials:
Stainless steel, aluminum, engineering plastics, and selected specialty materials
Focus:
Tight dimensional control, complex geometries, and consistent repeatability.
Electronic Parts
Typical Parts:
Enclosures, housings, heat sinks, brackets, connectors
Processes:
CNC milling, CNC turning, drilling, and finishing
Materials:
Aluminum, copper, brass, stainless steel, engineering plastics
Focus:
Dimensional consistency, clean surfaces, and repeatable production.
Automotive Parts
Typical Parts:
Housings, shafts, brackets, fittings, prototypes
Processes:
CNC turning, CNC milling, multi-axis machining
Materials:
Aluminum, stainless steel, alloy steel, brass
Focus:
Dimensional accuracy, repeatability, and production consistency.
Medical Device Parts
Typical Parts:
Instrument housings, brackets, connectors, shafts, precision components
Processes:
CNC milling, CNC turning, 5-axis machining
Materials:
316L stainless steel, titanium, aluminum, PEEK, engineering plastics
Focus:
Tight tolerances, controlled surface finishes, and material traceability when required.
Aerospace Parts
Typical Parts:
Structural brackets, housings, fittings, shafts, complex components
Processes:
5-axis machining, CNC milling, CNC turning
Materials:
Aluminum, titanium, stainless steel, alloy steel
Focus:
Complex geometries, dimensional control, and consistent quality.
| Parameter Category | Technical Indicators | Application Scope | Accuracy Assurance |
|---|---|---|---|
| Machining Accuracy | Dimensional tolerance: ±0.005 mm standard, with tolerances down to ±0.001 mm available for qualified parts and specific applications. | Precision mechanical, medical, aerospace, and industrial components | CMM inspection available for critical dimensions and complex features. |
| Machining Materials | Aluminum alloy / Stainless steel / Copper / Titanium alloy / Alloy steel / Engineering plastics | Automotive, electronics, medical, aerospace, and industrial applications | Material certificates available based on project requirements. |
| Machining Equipment | 3-axis / 4-axis / 5-axis CNC machining / High-speed milling / Mill-turn machining | Complex geometries, multi-sided features, and precision components | Regular equipment calibration and process monitoring. |
| Surface Treatment | Anodizing / Electroless nickel plating / Electroplating / Passivation / Polishing / Sandblasting | Improve corrosion resistance, wear resistance, appearance, and surface performance | Surface finish controlled according to drawing and project requirements. |
| Production Capacity | Prototypes / Low-volume production / Production batches | Prototype development, small-batch production, and production orders | Production processes supported by ISO 9001, ISO 13485, and AS9100 certified quality systems. |
| Lead Time | Prototypes: 3–5 days Production orders: 7–15 days Actual lead time depends on part complexity, quantity, material, and finishing requirements. | Prototype, low-volume, and production orders | Production scheduling and order tracking throughout the manufacturing process. |
How We Control Precision
We review critical dimensions, tolerances, materials, and part requirements before machining.
We select suitable machines, tooling, fixtures, and machining processes for each part.
Critical dimensions are checked during production to maintain consistent machining quality.
Finished parts are inspected against engineering drawings and specified quality requirements.
Precision Parts Machining Services
Our CNC machining framework offers end-to-end manufacturing—from single-piece rapid prototyping to high-volume production, tailored for complex geometries, tight tolerances, and specialized engineering materials.
CNC Milling
Precision milling for housings, brackets, plates, and complex machined components.
CNC Turning
Precision turning for shafts, bushings, pins, threads, grooves, and other rotational components.
5-Axis CNC Machining
Enables simultaneous multi-angle machining of complex parts, reducing setups and improving access to difficult features.
Electrical Discharge Machining (EDM)
EDM for selected conductive materials and complex features requiring specialized machining.
CNC Grinding
Precision grinding for selected components requiring controlled dimensions and surface finish.
Our CNC Machining Products
High-precision custom parts manufacturing with multi-material compatibility, fast turnaround, and flexible production—fully compliant with ISO 9001, ISO 13485, and AS9100 quality standards.
Laryngoscope parts
gyroscope
Valve body parts
| Equipment Name | Type | Brand | quantity | Processing range |
|---|---|---|---|---|
| conventional milling machine | 3HG | Fuji Sangyo | 3 | X-850 Y-500 Z-1000 |
| CNC lathe | CK7516A | DMG | 3 | Rotation diameter 350 mm, length 400 mm, with tailstock |
| CNC lathe | CK40 | DMG | 2 | Rotation diameter 350 mm, length 400 mm, with tailstock |
| CNC machining center | HVM6 | DMG | 2 | X-600 Y-400 Z-500 |
| CNC machining center | VMC850L | Mazak | 1 | X-840 Y-550 Z-550 |
| CNC machining center | VMC600L | Mazak | 1 | X-550 Y-430 Z-550 |
| CNC machining center | HVM6 | DMG | 1 | X-600 Y-400 Z-500 Four-axis：X-400 Y-250 Z-250 |
| CNC machining center | V6 | DMG | 2 | X-600 Y-400 Z-500 |
| CNC machining center | MC850L | Kezon | 1 | X-840 Y-550 Z-500 Four-axis：X-400 Y-250 Z-250 |
| CNC machining center | V6 | DMG | 2 | X-600 Y-400 Z-500 |
| CNC machining center | MC850L | Kezon | 1 | X-840 Y-550 Z-500 Four-axis：X-400 Y-250 Z-250 |
| CNC machining center | VCN-430A | Mazak | 6 | X-550 Y-430 Z-550 |
| CNC machining center | 850L | Baojia CNC | 1 | X-840 Y-550 Z-550 |
| CNC machining center | VCN-430AL | Mazak | 4 | X-550 Y-430 Z-550 Four-axis：X-400 Y-250 Z-250 |
| CNC machining center | CMX600VC | DMG | 2 | Five-axis：X-500 Y-450 Z-380 |
| CNC machining center | DMU500 | DMG | 4 | X-600 Y-400 Z-500 |
| CNC lathe | CK-45TW | Kezon | 3 | Customized according to product precision |
| Milling and turning | CKF-52YW | Kezon | 2 | Customized according to product precision |
| CNC Swiss-type machine | BO205A | Tsugami | 2 | Customized according to product precision |
| centerless grinding machine | JHC-18S | Taiwan Jianhe | 2 | Customized according to product precision |
| punch grinder | JAG01 | Taiwan Qiaojia | 2 | Customized according to product precision |
| Precision surface grinder | 618S | Taiwan Wangpan | 1 | Customized according to product precision |
Precision CNC Machining (FAQs)
We can achieve dimensional tolerances down to ±0.005 mm, depending on the material, part geometry, feature size, and drawing requirements. Final tolerances are confirmed during engineering review.
We machine a range of materials including aluminum, stainless steel, titanium, copper, alloy steel, and engineering plastics. Material selection depends on the part’s mechanical and application requirements.
Yes. Available finishes include anodizing, electroless nickel plating, electroplating, passivation, polishing, brushing, sandblasting, and other finishes based on material and application requirements.
We use dimensional inspection equipment such as CMM and other measurement tools to verify critical features against the engineering drawing. Inspection reports can be provided based on project requirements.
Precision CNC machining focuses on tighter dimensional control, controlled machining processes, and inspection of critical features. The required tolerance depends on the part design and application.
Yes. We support prototypes, low-volume production, and production batches. Quantities and production schedules are reviewed based on part complexity and project requirements.