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TUOWEI Precision offers advanced CNC machining solutions for high-precision metal and plastic components, designed to meet the most demanding manufacturing needs.
Tuowei Precision delivers advanced custom CNC machining services to engineers, product developers, and designers through our trusted network of certified manufacturing partners. Whether your design is simple or highly complex, our precision machine shops can handle everything from rapid prototypes and small-batch machining to high-volume production runs.
With our streamlined online process, you can easily upload your CAD file and receive an instant quote with pricing, lead times, and design-for-manufacturability insights. We maintain strict quality standards with ISO 9001:2015, ISO 13485, IATF 16949:2016, and AS9100D certifications, along with ITAR registration. For added assurance, we also offer inspection options, hardware traceability, material certifications, and Certificates of Conformance (CoCs).
CNC machining (Computer Numerical Control machining) is a highly precise and automated manufacturing process that uses computer-controlled cutting tools to shape designs from metal or plastic stock. Depending on the complexity of the project, CNC machines can range from 3-axis and 4-axis milling machines to advanced 5-axis systems, lathes, and routers.
The way a part is machined can vary, sometimes the tool moves while the workpiece stays fixed, sometimes the workpiece rotates while the tool remains in place, and in many cases, both tool and workpiece move together to achieve complex geometries.
Using CAD (computer-aided design) models, skilled machinists program the machine to follow exact tool paths, ensuring that each part is cut with exceptional precision and repeatability.
TOUWEI is your trusted partner for high-quality prototypes and end-use machined parts, from simple to highly complex designs. With 700+ advanced CNC machines, we provide milling, turning, routing, EDM machining, drilling, and precision grinding. Our ISO 9001 certification and skilled expertise ensure accuracy and consistency in every project.
With over 200 dedicated milling centers, including 3-axis, 4-axis, and advanced 5-axis CNC mills, TOUWEI delivers tight-tolerance components and intricate geometries in both plastics and metals. We serve multiple industries while also specializing in precision mold making.
Our CNC lathes, turning centers, and mill-turn machines enable us to produce precise cylindrical parts, along with components from square or hexagonal raw materials. TOUWEI provides both prototype and production parts with rapid lead times, often delivered within just a few days.
Our CNC machines operate with precision tolerances that meet industry standards, ensuring that every part is consistently accurate and fits perfectly with other components.
| Feature Type | Typical Tolerance |
|---|---|
| General Dimensional Tolerance | ±0.025 mm (±0.001") |
| High Precision Tolerance | ±0.005 mm (±0.0002") |
| Hole Diameter (Drilled) | ±0.05 mm (±0.002") |
| Hole Diameter (Reamed/Bored) | ±0.01 mm (±0.0004") |
| Shaft Diameter (Turned) | ±0.01 mm (±0.0004") |
| Flatness | 0.02 mm per 100 mm |
| Parallelism | ±0.02 mm |
| Perpendicularity | ±0.02 mm |
| Surface Roughness (Ra) | 1.6–3.2 µm (63–125 µin) |
| Positional Tolerance | ±0.01 mm to ±0.02 mm |
| Thread Tolerance (Cut) | 6H / 6g (ISO) or Class 2A/2B (ANSI) |
| Minimum Feature Size | 0.5 mm (0.020") |
| Repeatability | ±0.005 mm (±0.0002") |
Get the most out of your CNC machining projects with TUOWEI’s precision-driven design guidelines. Our engineering team reviews your custom part designs and offers expert advice to ensure optimal performance, cost-efficiency, and manufacturability.
| Característica | Specification / Guideline |
|---|---|
| Radii | Sharp inside corners become natural radii due to tool shape. Drilling depth ≤ 12× tool diameter, End milling depth ≤ 10× cutter diameter |
| Threads & Tapped Holes | Φ 1.5–5 mm: depth = 3× diameter; Φ ≥ 5 mm: depth = 4–6× diameter; custom thread sizes available on request |
| Socava | Supported types: Square profile, Full radius profile, Dovetail profile |
| Text – CNC Milling | Minimum line width: 0.5 mm; minimum depth: 0.1 mm |
| Text – CNC Turning | Laser marking available for precision text |
| Engraving Options | CNC engraving and laser engraving available as per customer requirement |
| Aluminium Alloy | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| 6061 | Versatile and commonly used for structural applications. | Anodizing, Powder Coating, Polishing | Construction, Aerospace, Automotive |
| 7075 | High strength, ideal for aerospace and military applications. | Anodizing, Powder Coating, Polishing | Aerospace, Military, High-Strength Components |
| 2024 | Known for its high strength and excellent fatigue resistance. | Anodizing, Cladding, Painting | Aerospace, Military, Structural Components |
| 5052 | Good corrosion resistance and formability, used in marine and automotive applications. | Anodizing, Painting, Polishing | Marine, Automotive, Sheet Metal Work |
| 5083 | Exceptional performance in extreme environments, particularly marine applications. | Anodizing, Painting, Polishing | Marine, Chemical, Industrial |
| 6082 | Excellent extrudability, used for architectural and engineering applications. | Anodizing, Powder Coating, Polishing | Architecture, Engineering, Window Frames |
| 7050 | High strength and stress corrosion resistance, often used in aerospace. | Anodizing, Cladding, Painting | Aerospace, High-Stress Components |
| 1100 | Commercially pure aluminum, excellent corrosion resistance and workability. | Anodizing, Painting, Polishing | Chemical Equipment, Food Processing, Heat Exchangers |
| Brass Alloy | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| C260 | Cartridge brass, excellent for cold working. | Plating, Polishing, Lacquering | Ammunition, Heat Exchangers, Plumbing |
| C360 | Free machining brass, used for precision parts. | Plating, Polishing, Lacquering | Precision Machined Parts, Fasteners, Plumbing |
| C353 | High leaded brass, high strength, used in plumbing. | Plating, Polishing, Lacquering | Plumbing, Fasteners, Valve Components |
| C385 | Architectural bronze, applications for its decorative appeal. | Plating, Polishing, Lacquering | Architectural Trim, Ornamental Hardware, Plumbing |
| C272 | Yellow brass, excellent corrosion resistance, used in electrical components. | Plating, Polishing, Lacquering | Electrical Components, Fasteners, Plumbing |
| Copper Alloy | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| C101 | Oxygen-free, high conductivity, used in electrical applications. | Plating, Polishing, Lacquering | Electrical Conductors, Switches, Terminals |
| C110 | Electrolytic tough pitch, highly conductive, used in electrical and plumbing. | Plating, Polishing, Lacquering | Electrical Wiring, Plumbing, Busbars |
| C122 | Phosphorus-deoxidized, used in heat exchangers and radiators. | Plating, Polishing, Lacquering | Heat Exchangers, Radiators, Plumbing |
| C172 | Beryllium copper, high strength, used in aerospace and oil drilling. | Plating, Polishing, Lacquering | Aerospace, Oil Drilling, Springs |
| C194 | High conductivity, used in automotive and electrical applications. | Plating, Polishing, Lacquering | Automotive Connectors, Electrical Connectors, Springs |
| C210 | Low brass, good ductility and strength, used in fasteners and hardware. | Plating, Polishing, Lacquering | Fasteners, Hardware, Musical Instruments |
| C220 | Commercial bronze, used in jewelry and musical instruments. | Plating, Polishing, Lacquering | Jewelry, Musical Instruments, Architectural Hardware |
| C230 | Red brass, used in architectural applications and hardware. | Plating, Polishing, Lacquering | Architectural Applications, Hardware, Plumbing |
| Grade | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| 301 | Excellent machinability, used for making automotive parts bolts, nuts, and screws. | Polishing, Passivation, Bead blasting | Used for making automotive parts, bolts, nuts, and screws. |
| 304 | Most versatile and widely used stainless steel, used in kitchen equipment tanks, piping, and tubing. | Polishing, Brushing, Passivation | Used in kitchen equipment, tanks, piping, and tubing. |
| 304L | Low carbon version of 304, used for chemical containers and transport. | Electropolishing, Passivation, Bead blasting | Used for chemical containers and transport. |
| 316 | Contains molybdenum for increased corrosion resistance, used in marine applications and chemical processing equipment. | Polishing, Passivation, Bead blasting | Used in marine applications and chemical processing equipment. |
| 316L | Low carbon version of 316, used for surgical instruments and marine hardware. | Electropolishing, Passivation, Bead blasting | Used for surgical instruments and marine hardware. |
| 410 | Martensitic grade, used for fasteners and medical instruments. | Hardening, Polishing, Passivation | Used for fasteners and medical instruments. |
| 416 | High machinability, used for gears, shafts, and valves. | Polishing, Passivation, Bead blasting | Used for gears, shafts, and valves. |
| 420 | High hardness, used for surgical instruments and cutlery. | Hardening, Polishing, Passivation | Used for surgical instruments and cutlery. |
| 430 | Ferritic grade, used for automotive trim and dishwashers. | Polishing, Brushing, Passivation | Used for automotive trim and dishwashers. |
| Steel Alloy | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| 4140 | Chromium-molybdenum steel with high toughness and good fatigue strength. | Heat Treating, Anodizing, Powder Coating | Gears, Shafts, High-Stress Components |
| 4340 | Nickel-chromium-molybdenum steel with excellent toughness and strength. | Heat Treating, Anodizing, Powder Coating | Aircraft Landing Gear, Automotive Parts, Heavy Duty Shafts |
| 8620 | Nickel-chromium-molybdenum alloy steel, case hardening steel. | Carburizing, Heat Treating, Plating | Gears, Pins, Automotive Parts |
| 1018 | Low carbon steel, good weldability and machinability. | Painting, Powder Coating, Galvanizing | Structural Applications, Shafts, Spindles |
| 1045 | Medium carbon steel, high strength and impact resistance. | Heat Treating, Plating, Painting | Gears, Shafts, Machinery Parts |
| 4130 | Chromium-molybdenum alloy steel, good strength and toughness. | Heat Treating, Anodizing, Powder Coating | Aircraft Components, Bicycle Frames, Automotive Parts |
| 1210 | Low carbon steel, good formability and weldability. | Galvanizing, Painting, Powder Coating | Automotive Parts, Machinery Components, Structural Steel |
| 17-4 PH | Precipitation-hardening stainless steel, high strength and hardness. | Heat Treating, Anodizing, Passivation | Aerospace Components, High-Strength Applications |
| Titanium Alloy | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| Grade 1 | Commercially pure titanium, excellent corrosion resistance and formability. | Anodizing, Polishing, Sandblasting | Chemical Processing, Marine, Medical |
| Grade 2 | Commercially pure titanium, balance of strength and ductility. | Anodizing, Polishing, Sandblasting | Aerospace, Medical, Marine |
| Grade 5 (Ti-6Al-4V) | Most commonly used titanium alloy, high strength and light weight. | Anodizing, Polishing, Heat Treating | Aerospace, Medical Implants, Marine |
| Grade 9 | Titanium alloy with good weldability and cold formability. | Anodizing, Polishing, Sandblasting | Aerospace, Chemical Processing, Marine |
| Grade 23 (Ti-6Al-4V ELI) | Extra-low interstitial variant of Grade 5, high strength and toughness. | Anodizing, Polishing, Heat Treating | Medical Implants, Aerospace, Marine |
| Grade 7 | Commercially pure titanium with excellent corrosion resistance. | Anodizing, Polishing, Sandblasting | Chemical Processing, Marine, Medical |
| Grade 12 | Titanium alloy with excellent corrosion resistance and strength. | Anodizing, Polishing, Heat Treating | Chemical Processing, Marine, Aerospace |
| Plastic Material | Descripción | Finishing Options | Aplicaciones |
|---|---|---|---|
| ABS | Acrylonitrile Butadiene Styrene, good impact resistance and toughness. | Painting, Plating, Sanding | Automotive Parts, Consumer Products, Enclosures |
| PC | Polycarbonate, high impact resistance and transparency. | Polishing, Sandblasting, Painting | Optical Discs, Safety Equipment, Automotive Parts |
| PMMA | Polymethyl Methacrylate (Acrylic), excellent optical clarity and weather resistance. | Polishing, Sanding, Painting | Displays, Lenses, Lighting Fixtures |
| POM | Polyoxymethylene (Delrin/Acetal), high stiffness and low friction. | Machining, Sanding, Polishing | Gears, Bearings, Medical Devices |
| PEEK | Polyetheretherketone, high temperature and chemical resistance. | Machining, Sanding, Polishing | Aerospace, Medical Implants, Semiconductor Parts |
| PP | Polyphenylene , high mechanical and thermal properties. | Machining, Sanding, Polishing | Automotive, Electrical Components, Industrial Applications |
| PA66 | Polyamide (Nylon 66), high mechanical strength and rigidity. | Machining, Sanding, Polishing | Mechanical Parts, Automotive, Electrical Insulation |
| PEI | Polyetherimide (Ultem), high strength and excellent electrical properties. | Machining, Sanding, Polishing | Aerospace, Medical Devices, Electrical Components |
| SAN | Styrene Acrylonitrile, good chemical resistance and transparency. | Machining, Sanding, Polishing | Housewares, Cosmetic Containers, Automotive Parts |
| HIPE | High Impact Polystyrene, good impact resistance and machinability. | Machining, Sanding, Painting | Packaging, Consumer Products, Electrical Insulation |
| HIPD | High Impact Polypropylene, high impact resistance and low density. | Machining, Sanding, Painting | Automotive Parts, Industrial Applications, Consumer Goods |
| Fiber-Reinforced Materials | Composite materials with enhanced mechanical properties. | Machining, Sanding, Painting | Aerospace, Automotive, Sporting Goods |
Con el servicio de fresado CNC de Tuowei Precision, no sólo está invirtiendo en maquinaria avanzada. Usted está ganando la garantía de una precisión impecable, el compromiso con los plazos estrictos, y la experiencia de profesionales cualificados dedicados a satisfacer sus necesidades.
El mecanizado CNC con certificación ISO de Tuowei Precision garantiza una precisión y calidad excepcionales. Cada pieza se elabora para un ajuste perfecto y un rendimiento impecable, con un riguroso control de calidad en cada etapa.
Cumpla los plazos con Tuowei Precision. Nuestros equipos de última generación y talleres locales ofrecen una producción rápida para cumplir sus ajustados plazos.
Confíe en nuestro equipo para recibir asistencia integral en mecanizado CNC. Nuestros expertos están a su disposición para optimizar la eficiencia del diseño y garantizar resultados de máxima calidad en cada paso.
Desde prototipos detallados hasta series de producción de gran volumen, TUOWEI es su socio de confianza para el mecanizado CNC de precisión. Póngase en contacto con nosotros hoy mismo y dé el primer paso hacia soluciones de fabricación racionalizadas y de alta calidad.
Delivering Accuracy, Speed, and Manufacturing Excellence With CNC Machining Services
In today’s fast-paced manufacturing landscape, CNC machining has become the cornerstone of modern precision engineering. Industries such as aerospace, automotive, medical, robotics, and consumer electronics rely on accurate, high-tolerance components to power their innovations and CNC machining is the method of choice to meet these demands. TUOWEI provides cutting-edge CNC machining services that combine advanced technology, material versatility, and a commitment to quality, ensuring your parts are delivered on time and to exact specifications.
What Is CNC Machining and Why Does It Matter?
CNC (Computer Numerical Control) machining refers to the automated control of machine tools using pre-programmed software. This allows manufacturers to cut, drill, and shape parts with extreme precision, consistency, and efficiency making it ideal for both prototypes and large-scale production.
Unlike manual machining, CNC processes are not subject to human error. Once a CAD (Computer-Aided Design) file is uploaded, the code guides the machinery to perform operations within incredibly tight tolerances, often down to micrometers. For industries that demand zero deviation in dimensions, CNC machining offers unbeatable consistency and repeatability.
TUOWEI specializes in high-quality CNC machining for complex, high-performance parts. Our services are designed for scalability, with the ability to move from prototype to full production quickly and seamlessly. Our core machining services include:
Our multi-axis milling centers are capable of creating intricate 3D geometries and tight tolerances. From flat surfaces and holes to complex contours, CNC milling for prototyping is ideal for parts requiring detailed shaping and multiple features on a single piece.
Tuowei’s CNC turning centers produce cylindrical parts such as shafts, pins, and bushings with exceptional accuracy. Our reliable CNC turning services include threading, grooving, and boring, delivering consistent concentricity and smooth surface finishes.
For parts with deep cavities, complex angles, or intricate detailing, Mecanizado CNC de 5 ejes offers superior flexibility. Our simultaneous multi-axis equipment reduces the need for multiple setups, improving precision while cutting lead times.
Tuowei offers Wire Electrical Discharge Machining (EDM) for intricate cuts that conventional tools cannot achieve. It’s ideal for extremely hard materials and fine-featured components like dies, injection mold parts, and medical instruments.
Our rapid prototyping services support fast design iterations using the same high-quality materials and tolerances used in final production. We can also produce short runs of functional parts for field testing, pilot programs, and limited-release products.
Tuowei specializes in manufacturing parts that meet tight tolerance requirements. Our equipment is calibrated regularly and operated by expert technicians who understand the importance of dimensional accuracy. Depending on the material and geometry, we routinely achieve:
All parts are subject to strict inspection protocols, including CMM (Coordinate Measuring Machine) verification, optical inspection, and in-process monitoring.
Tanto si está creando un pequeño lote de piezas personalizadas como si está escalando para una producción de gran volumen, los servicios Tuowei Proto le ofrecen la flexibilidad que necesita.
El mecanizado rápido de prototipos CNC es perfecto para crear prototipos de ingeniería o producción que se asemejan mucho al producto final tanto en apariencia como en funcionalidad. En Tuowei, ofrecemos presupuestos instantáneos y entregas rápidas, proporcionándole prototipos mecanizados CNC precisos y de alta calidad para sus necesidades.
El mecanizado CNC de bajo volumen a menudo actúa como puente entre la creación de prototipos y la producción en serie para la producción nueva y emergente. Con Tuowei, este proceso se vuelve más fácil, eficiente y rentable, lo que le permite escalar la producción rápidamente manteniendo los estándares de alta calidad.
El mecanizado de producción CNC es la mejor solución para producir mil piezas o más de forma eficiente. Aprovechando una variada selección de materiales y capacidades de automatización y multieje, Tuowei ofrece una producción de gran volumen con tolerancias ajustadas, precisión dimensional superior, alta fiabilidad y plazos de entrega rápidos.
Manténgase a la vanguardia con consejos de expertos, tendencias de la industria y conocimientos de fabricación de precisión del equipo de Tuowei. Lea nuestros últimos blogs para adquirir valiosos conocimientos y descubrir cómo estamos dando forma al futuro de la producción CNC.
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¿Cómo funciona el mecanizado CNC?
El mecanizado CNC es un proceso de fabricación sustractivo en el que la materia prima adquiere su forma final mediante la eliminación precisa de material. Esto implica taladrar agujeros, perforar ranuras, crear caminos y cortar material en piezas con formas, diámetros y conos variables. A diferencia de la fabricación aditiva -que construye formas capa a capa- o el moldeo por inyección -que forma piezas utilizando material fundido en un molde-, el mecanizado CNC logra la precisión por sustracción.
Su versatilidad permite al mecanizado CNC trabajar con metales, plásticos, madera, materiales compuestos, espuma e incluso vidrio. Esta amplia compatibilidad de materiales la convierte en una elección de confianza en todos los sectores, ayudando a ingenieros y diseñadores a dar vida a conceptos con precisión y eficacia.
¿En qué se diferencia el mecanizado CNC del mecanizado tradicional?
El mecanizado tradicional se basa en la operación manual, en la que un maquinista utiliza controles manuales, diales y herramientas de medición para dar forma y comprobar las piezas de acuerdo con los planos de diseño. Los operarios cualificados realizan operaciones de corte, taladrado, fresado o rectificado, basándose en gran medida en la precisión manual.
El mecanizado CNC realiza los mismos procesos, pero los automatiza mediante control numérico por ordenador. Los programas dirigen las herramientas de corte mediante coordenadas cartesianas, lo que permite obtener precisión y repetibilidad, ya sea en el primer corte o en el quinientos.
Esta automatización hace que el mecanizado CNC sea más preciso, consistente y escalable. Ha sustituido en gran medida a los métodos tradicionales en la producción industrial, aunque sigue utilizando fundamentos similares de corte y conformado.
¿Tendré que pagar aranceles por las piezas producidas internacionalmente?
TUOWEI garantiza precios transparentes. En los pedidos internacionales, los aranceles y los gastos de envío están incluidos en el precio final de los paquetes estándar, por lo que no hay cargos ocultos.
¿Ofrecen mecanizado CNC de torneado rápido?
Sí, TUOWEI ofrece servicios de CNC rápidos con plazos de entrega de tan sólo 3-4 días para muchas piezas. Para proyectos urgentes, ofrecemos opciones de aceleración y trabajamos estrechamente con los clientes para garantizar que se cumplan los plazos sin comprometer la calidad.
¿Qué industrias utilizan el mecanizado CNC?
El mecanizado CNC se utiliza en una amplia gama de industrias. Desempeña un papel clave en la industria aeroespacial, la automoción, los dispositivos médicos, la electrónica de consumo, la robótica, la energía y las comunicaciones. También se aplica en petróleo y gas, agricultura, menaje y equipamiento industrial.
Su capacidad para ofrecer precisión, velocidad y versatilidad lo convierten en uno de los procesos de fabricación más utilizados en todo el mundo.
¿Cuál es la historia del mecanizado CNC?
Las raíces del mecanizado CNC se remontan a la Segunda Guerra Mundial, cuando la necesidad de una producción eficiente de aviones, barcos y vehículos estaba en su apogeo. John T. Parsons, que trabajaba en las palas de los rotores de los helicópteros, fue uno de los primeros en explorar métodos computacionales para conseguir formas complejas.
Basándose en su trabajo, el Laboratorio de Servomecanismos del MIT desarrolló máquinas que utilizaban el control numérico y las coordenadas cartesianas para automatizar las tareas de fabricación. Este avance sentó las bases del mecanizado CNC moderno.
A lo largo de las décadas, la tecnología CNC avanzó rápidamente y evolucionó hasta convertirse en los sofisticados sistemas de software actuales, capaces de producir piezas con una precisión y velocidad excepcionales.
¿Cuáles son sus opciones de inspección para el mecanizado CNC?
TUOWEI ofrece múltiples soluciones de inspección para adaptarse a los requisitos del cliente. Cada pieza se somete a una inspección estándar incluida en el precio y el plazo de entrega presupuestados. Para los proyectos que necesitan una validación avanzada, ofrecemos opciones de inspección detallada, como informes dimensionales, comprobaciones en MMC y certificaciones de calidad completas.