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CNC Metal Cutting Guide

Unlocking Accuracy: In-depth study of CNC metal cutting for complex components The modern world of manufacturing operates in precise ways, requiring complex metal parts with complex geometric shapes and strict tolerances. Consistently, effectively achieving this goal is where computer numerical control (CNC) metal cutting is an indispensable process. But, in addition to basic cutting operations, […]

Unlocking Accuracy: In-depth study of CNC metal cutting for complex components

The modern world of manufacturing operates in precise ways, requiring complex metal parts with complex geometric shapes and strict tolerances. Consistently, effectively achieving this goal is where computer numerical control (CNC) metal cutting is an indispensable process. But, in addition to basic cutting operations, the nuances of machine capabilities, control systems, process planning and material behavior determine the ultimate success. As a professional five-axis CNC machining manufacturer, Greatlight Leverave of Striped Technology and deep expertise turn demanding designs into high-precision metal reality.

Beyond the Basics: What is CNC Metal Cutting?

The core of CNC metal cutting involves the use of computer-oriented tools to control the material from solid metal workpieces. Instructions usually generated by CAD models and processed by CAM software to guide the movement of the machine with precision. Unlike manual machining, CNCs have unparalleled repeatability, speed and ability to produce complex shapes. Common cutting processes include:

  • Milling: A rotary cutting machine with multiple teeth removes material from the surface of the workpiece.
  • Rotate (car): The rotating workpiece is shaped by a fixed cutting tool.
  • drilling: Create precise holes.
  • Grinding: Use abrasive wheels to achieve ultra-fine finishes and tight tolerances.

Five-axis CNC machining: the pinnacle of flexibility and accuracy

3-axis machining (motion in X, Y, Z) handles many tasks, while complex geometries often require multi-axis functionality. This is where CNC machining five-axis innovative metal cutting is available.

  1. The power of five: The five-axis machine allows the cutting tool to move simultaneously along five axes (X, Y, Z Plus rotation A and B axes). This enables the tool to approach the artifact from almost any angle in a single setup.
  2. Overcome three-axis limitations: Complex contours, undercuts, intricate channels and highly organic shapes that are impossible or require multiple refixes (and associated errors) on a 3-axis machine to become straightforward on the five-axis.
  3. Key Benefits Unlocked:

    • Single setting processing: Eliminate repositioning errors, improve accuracy and greatly reduce lead time.
    • Improved finish: The optimal tool engagement angle prevents tool agitation and produces higher surface quality, reducing widespread aftertreatment needs.
    • Complex geometric shapes make it easy: Manufacturing impellers, turbine blades, prosthetics, aerospace components and complex molds becomes feasible and efficient.
    • Visit hard to reach areas: Tools manipulate seamlessly around obstacles.
    • Ability to use shorter tools: Increased rigidity of shorter tool paths improves accuracy and finish while reducing tool deflection and rupture.
    • Material Savings: Optimized toolpaths minimize wasteful material.

Why Greatlime is your strategic partner for CNC metal cutting

Technology is only part of the equation. Successfully browsing the complexity of precise metal cutting requires deep process knowledge, strict quality control and adaptability. At Greatlight, we have more than just advanced five-axis CNC machining centers:

  1. The most advanced five-axis technology: We continue to invest in the latest multi-axis equipment from renowned manufacturers to ensure peak performance, accuracy (down to micron levels), and reliability of the most challenging projects.
  2. Methods of matter agnostic: Our capabilities span a variety of metals – stainless steel, aircraft grade aluminum, exotic titanium alloys, hard inconel, copper tubes, copper, copper, etc. We understand each unique machining feature and optimize the process accordingly.
  3. True engineering cooperation: We are an extension of your engineering team. Our technologists work closely with customers to optimize design of manufacturability (DFM), propose modifications to increase strength, reduce costs or increase processability without compromising functionality.
  4. End-to-end solution provider: In addition to original machining, Greatlight offers a comprehensive suite of Precise service completion:

    • Burrs and finishes (media explosion, polished)
    • Heat treatment and surface hardening
    • Precision grinding and grinding
    • Promotion, electroplating, painting, passivation
    • Quality inspection (CMM, optical measurement, surface roughness test)
  5. Speed ​​and responsiveness: We pride ourselves on fast prototyping and mass production capabilities without sacrificing precision. Our streamlined workflow and experienced team ensure predictable, accelerated turnaround times.
  6. Cost-effective accuracy: By maximizing tool routing optimization, material use and minimizing efficiency of setup (due to the five axes), we provide extraordinary value and competitive prices for custom precise parts.

Excellent material: tailor-made cutting strategies

Each metal family behaves uniquely under the cutting tool. Greatlight engineers carefully develop and perfect processing parameters (cutting speed, feed speed, tool selection, coolant strategy) for each material and geometry:

  • aluminum: High-speed machining strategies maximize removal while maintaining surface integrity.
  • Stainless steel: Heat generation and tool wear need to be carefully controlled; special tool geometry and coatings are used.
  • Titanium and Inconel: It requires very rigid settings, conservative parameters, specific tool coatings (e.g. Altin, TialcRN) and effective high pressure coolant to manage heat and work hardening.
  • Copper and Brass: Focus on minimizing adhesion to the ductile material of the tool.
  • Hardened steel: Use specialized techniques such as creep grinding or hard milling.

Conclusion: Elevate metal components with precision and partnership

CNC metal cutting is a high-performance fabricated bedrock. For parts that require complex geometry, tight tolerances and high-quality finishes, five-axis CNC machining is not only an option – an essential feature. Greatlight is at the forefront, combining advanced multi-axis technology with deep technical expertise across different materials and comprehensive service. We go beyond suppliers; we are a collaborative solution partner dedicated to solving your most challenging metal parts manufacturing problems.

Whether you need rapid prototypes, complex small batch components or high-performance production, Greatlight offers precision, speed and quality at competitive prices. Experience the expertise and cutting-edge technology of the difference. Today, customize precision metal parts with Greatlight and effectively and accurately bring the most ambitious designs to life.


CNC Metal Cutting & Greatlight Services: FAQs (FAQs)

  1. What industry usually serves?

    We serve a variety of industries that require high-precision metal components, including aerospace, defense, medical devices and implants, automobiles (especially electric vehicles and motorsports), robotics, semiconductor tools, energy, energy, and high-end consumer electronics products.

  2. What tolerances can Greatlight’s five-axis CNC machining achieve?

    Our advanced equipment and strict process controls allow us to maintain extremely tight tolerances, typically down from +/- 0.001 inches (0.025mm) to micron level +/- 0.0002 inches (0.005mm) or better, including materials, part size, geometry and specific manufacturing requirements. Please consult our engineers for specific features.

  3. What file formats do you accept for processing quotes?

    We can use standard industry CAD formats such as Steps (.STP), IGES (.IGS), Parasolid (.x_t, .x_b), and SolidWorks (.sldprt). We recommend step files as the preferred neutral format.

  4. Which metals can be Greatlight Machine?

    Our capabilities cover virtually all machinable metals: Aluminum (various alloys: 6061, 7075, 2024, Die Cast), Steel (Carbon, Alloy, Tool Steel A2/D2/H13), Stainless Steel (303, 304, 316, 17-4PH, 440C), Titanium (Grade 1-5, 6Al-4V, Beta-C), Brass, Copper, Bronze, Inconel (625, 718), Hastelloy, Magnesium and certain nickel alloys.

  5. Do you provide prototype manufacturing and production processing?

    Absolutely. We focus on rapid prototyping to accelerate your development cycle and seamlessly transition to full mass production for consistent quality and integrity.

  6. What are the advantages of your one-stop sorting service?

    Outsourcing finishing introduces delays, coordination challenges and potential quality inconsistencies. Our integrated services – from precision machining to all necessary repair treatments (anodizing, coating, paint, heat treatment, etc.) and final inspection – ensure seamless quality control, faster overall delivery time, reduced logistics costs and a single sense of responsibility throughout the entire section.

  7. How does the citation process work?

    Simply provide your CAD model/drawings (including specifications such as materials, quantity, completion requirements, etc.) through our online portal or contact us directly. Our engineers will review the productivity of this part (usually recommend improving DFM to save costs/time), provide material options and generate competitive quotes quickly. We welcome early design consultation.

  8. What quality control measures do you implement?

    Quality is crucial. We employed a rigorous inspection protocol throughout the manufacturing process: First Article Inspection (FAI), Process Inspection and Final Inspection, and use a coordinate measuring machine (CMM), optical comparator, surface roughness tester, micron, caliper and hardness tester. Provide comprehensive documentation (PPAP, authentication).

Start your exact project now: Experience Gremight Advantage. Request a quote and see how our advanced five-axis CNC machining and integrated finishing service delivers unrivalled quality and accuracy to your critical metal components.

CNC Experts

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JinShui Chen

Rapid Prototyping & Rapid Manufacturing Expert

Specialize in CNC machining, 3D printing, urethane casting, rapid tooling, injection molding, metal casting, sheet metal and extrusion

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5 Axis CNC Machining Equipment
4 Axis CNC Machining Equipment
3 Axis CNC Machining Equipment
CNC Milling & Turning Equipment
Prototype and Short-Run Injection Moldings Exact plastic material as final design
Volume Metal Die Casting Services - Precision Cast Parts
Bridge the Gap From Prototype to Production – Global delivery in 10 days or less
Custom high-precision sheet metal prototypes and parts, as fast as 5 days.
Custom Online 3D Printing Services
Custom Online 3D Printing Services
Custom Online 3D Printing Services
Design Best Processing Method According To 3D Drawings
Alloys Aluminum 6061, 6061-T6 Aluminum 2024 Aluminum 5052 Aluminum 5083 Aluminum 6063 Aluminum 6082 Aluminum 7075, 7075-T6 Aluminum ADC12 (A380)
Alloys Brass C27400 Brass C28000 Brass C36000
Alloys Stainless Steel SUS201 Stainless Steel SUS303 Stainless Steel SUS 304 Stainless Steel SUS316 Stainless Steel SUS316L Stainless Steel SUS420 Stainless Steel SUS430 Stainless Steel SUS431 Stainless Steel SUS440C Stainless Steel SUS630/17-4PH Stainless Steel AISI 304
Inconel718
Carbon Fiber
Tool Steel
Mold Steel
Alloys Titanium Alloy TA1 Titanium Alloy TA2 Titanium Alloy TC4/Ti-6Al 4V
Alloys Steel 1018, 1020, 1025, 1045, 1215, 4130, 4140, 4340, 5140, A36 Die steel Alloy steel Chisel tool steel Spring steel High speed steel Cold rolled steel Bearing steel SPCC
Alloys Copper C101(T2) Copper C103(T1) Copper C103(TU2) Copper C110(TU0) Beryllium Copper
Alloys Magnesium Alloy AZ31B Magnesium Alloy AZ91D
Low Carbon Steel
Alloys Magnesium Alloy AZ31B Magnesium Alloy AZ91D
ABS Beige(Natural) ABS Black ABS Black Antistatic ABS Milky White ABS+PC Black ABS+PC White
PC Black PC Transparent PC White PC Yellowish White PC+GF30 Black
PMMA Black PMMA Transparent PMMA White
PA(Nylon) Blue PA6 (Nylon)+GF15 Black PA6 (Nylon)+GF30 Black PA66 (Nylon) Beige(Natural) PA66 (Nylon) Black
PE Black PE White
PEEK Beige(Natural) PEEK Black
PP Black PP White PP+GF30 Black
HDPE Black HDPE White
HIPS Board White
LDPE White
This is a finish of applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
No coating required, product’s natural color!
This is a finish of applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
This finishing option with the shortest turnaround time. Parts have visible tool marks and potentially sharp edges and burrs, which can be removed upon request.
Sand blasting uses pressurized sand or other media to clean and texture the surface, creating a uniform, matte finish.
Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatmen
A brushed finish creates a unidirectional satin texture, reducing the visibility of marks and scratches on the surface.
Anodizing increases corrosion resistance and wear properties, while allowing for color dyeing, ideal for aluminum parts.
Black oxide is a conversion coating that is used on steels to improve corrosion resistance and minimize light reflection.
Electroplating bonds a thin metal layer onto parts, improving wear resistance, corrosion resistance, and surface conductivity.
This is a finish of applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
This is a finish of applying powdered paint to the components and then baking it in an oven, which results in a stronger, more wear- and corrosion-resistant layer that is more durable than traditional painting methods.
Please provide additional text description for other surface treatment requirements!
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    • Brass
    • Stainless steel
    • Inconel718
    • Carbon Fiber
    • Tool Steel
    • Mold Steel
    • Titanium
    • Alloy Steel
    • Copper
    • Bronze
    • Low Carbon Steel
    • Magnesium
  • CNC Plastics
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    • PC
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    • PA (Nylon)
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    • 5 Axis CNC Machining
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    • CNC Milling & Turning
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  • Rapid Prototyping
    • Design Best Processing Method According To 3D Drawings
Post-processing
Post-processing
  • As Machined(Product’s natural color)
  • Sand Blasting
  • Polishing
  • Brushed Finish
  • Anodizing
  • Black Oxide
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ISO 9001 Certificate

ISO 9001 is defined as the internationally recognized standard for Quality Management Systems (QMS). It is by far the most mature quality framework in the world. More than 1 million certificates were issued to organizations in 178 countries. ISO 9001 sets standards not only for the quality management system, but also for the overall management system. It helps organizations achieve success by improving customer satisfaction, employee motivation, and continuous improvement. * The ISO certificate is issued in the name of FS.com LIMITED and applied to all the products sold on FS website.

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GB T 19001-2016 IS09001-2015
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IATF 16949 certificate

IATF 16949 is an internationally recognized Quality Management System (QMS) standard specifically for the automotive industry and engine hardware parts production quality management system certification. It is based on ISO 9001 and adds specific requirements related to the production and service of automotive and engine hardware parts. Its goal is to improve quality, streamline processes, and reduce variation and waste in the automotive and engine hardware parts supply chain.

automotive industry quality management system certification 01
Certification of Production Quality Management System for Engine Hardware Parts Engine Hardware Associated Parts
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ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard.

greatlight metal technology co., ltd has obtained multiple certifications (1)
greatlight metal technology co., ltd has obtained multiple certifications (2)

ISO 13485 certificate

ISO 13485 is an internationally recognized standard for Quality Management Systems (QMS) specifically tailored for the medical device industry. It outlines the requirements for organizations involved in the design, development, production, installation, and servicing of medical devices, ensuring they consistently meet regulatory requirements and customer needs. Essentially, it's a framework for medical device companies to build and maintain robust QMS processes, ultimately enhancing patient safety and device quality.

greatlight metal technology co., ltd has obtained multiple certifications (3)
greatlight metal technology co., ltd has obtained multiple certifications (4)

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