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Reliable CNC plastic processing service

In-depth and accurate: the logo of reliable CNC plastic processing services Plastic components are everywhere in today’s high-precision manufacturing landscape. From sophisticated medical equipment and aerospace components to powerful automotive and consumer electronic housings, demand for accurately processed plastic parts soars. Despite many services, it is crucial to choose a provider that can reliably deliver […]

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In-depth and accurate: the logo of reliable CNC plastic processing services

Plastic components are everywhere in today’s high-precision manufacturing landscape. From sophisticated medical equipment and aerospace components to powerful automotive and consumer electronic housings, demand for accurately processed plastic parts soars. Despite many services, it is crucial to choose a provider that can reliably deliver consistent, high-quality and complex geometry. This is where advanced technology is, especially Five-axis CNC machiningbecome an indispensable and professionally driven manufacturer like Greatlight Truly Excel.

Why CNC machining dominates plastic components supreme

Unlike plastic manufacturing methods, such as injection molding (which is ideal for large-scale operation), it requires machining in precision, low to medium volume generation, complex geometry or rapid prototypes. It involves precisely controlled cutting tools that remove material from solid plastic blocks to form the desired shape. For plastics, this requires a unique understanding:

  • Substantial nuances: Different plastics (thermoplastic, thermoplastic, engineered resin) have completely different properties – processability, melting point, rigidity, fragility and coefficient of thermal expansion. Reliable services understand these complexities to prevent melting, chipping, twisting or internal pressure build-up during cutting.
  • Surface integrity: Plastic parts usually need to have a high finish without tool markings, burrs or blemishes, requiring correct toolpath strategies and optimized cutting parameters.
  • Dimensional accuracy: Maintaining tight tolerances on plastic parts, especially when experiencing temperature fluctuations or pressures, requires a lot of skill and process control.

Five-axis advantages: unlock unprecedented features

Although traditional three-axis CNC machining (moving along X, Y, Z) is common, Five-axis machining Represents a significant leap in capability, especially for complex plastic parts. This technique allows for simultaneous movement along five axes (adding rotation around the X and Y axes – commonly known as A and B), resulting in remarkable benefits:

  1. Complex geometry mastery: Generate complex contours, deep cavity, undercuts, skewed holes and complex organic shapes in a single setup – geometric or using a 3-axis machine is impossible or expensive.
  2. Enhanced accuracy and finish: By allowing the cutting tool to maintain optimal orientation relative to the workpiece surface, five-axis machining reduces tool deflection, minimizes stair-stabilized workpieces, and achieves excellent surface surfaces and tighter tolerances on complex features.
  3. Reduce the setting time: Complex parts that previously required multiple fixtures and repositioning on 3-axis machines can often be done in a single fixture on a 5-axis machine, reducing cumulative errors and saving a lot of time.
  4. Effective material removal: Improved tool accessibility allows shorter cutting tools to increase stiffness and achieve faster spindle speeds and feed rates, resulting in shorter cycle times.
  5. Reduce the risk of damage: Handle delicate plastic parts less frequently to reduce the risk of damage, scratches or deformation.

GRESTHERMENG: Your partner in precision plastic processing

At Greatlight, we leverage the state-of-the-art five-axis CNC machining centers and are supported by deep material knowledge and technical expertise to provide truly reliable CNC plastic processing services. Our dedication goes beyond the machine:

  • Material expertise: We are skillfully using many engineering plastics, including PEEK, ULTEM (PEI), acetyl (POM), nylon (PA), PTFE (Teflon), PVC, PVC, PC Carbonate (PC), acrylic acid (PMMA), HDPE, UHMW-PE, UHMW-PE, etc. We understand how to deal with the specific requirements of each material to ensure dimensional stability and surface quality.
  • Advanced Technology: Our investment in modern five-axis CNC equipment has a robust spindle, precision encoder and an effective coolant system that ensures consistent, accurate results over and over again.
  • Full Spectrum Service: We offer a truly one-stop solution:

    • Expert processing: Process prototypes for complex production runs.
    • Comprehensive post-processing: Includes precision finishing (sand powder, polishing), thread strike, bonding, assembly, decoration (painting, printing), pressure relief heat treatment and quality control (CMM inspection).
    • Material procurement: Buy the right stock of plastics for your application.
  • Quick response capability: We understand market demand and excel in quickly delivering high-quality custom parts without compromising accuracy.
  • Competitive value: Through process optimization, advanced machinery and efficient workflows, we provide high-quality precision machining at competitive prices.

Precision plastic parts vary

Our reliable CNC plastic processing services are the basis for innovation across different fields:

  • Medical and Dental: Disinfectable surgical instruments, biocompatible implant components, diagnostic equipment housing, fluid manifold. (Materials: PEEK, ULTEM, PTFE, PPSU).
  • Aerospace and Defense: Lightweight structural components, vibration-resistant mounts, antenna housing, drone parts. (Materials: PEEK, RADEL, ULTEM, PEI composite materials).
  • Semiconductors and Electronics: Insulated parts, clean room compatible parts, wafer handling fixtures, fixtures, housings. (Materials: Eutem, Peek, Vespel, ESD safety plastic).
  • car: Sensor housing, liquid handling components, interior decor prototypes, high-rise parts that are resistant to fluid and heat. (Materials: acetyl, nylon, PPS, PTFE).
  • Consumer Products and Industry: Precise gears, low friction bearings, custom fixtures, high transparent lens/light tube, robust housing.

Outstanding Process: From Vision to Verification

We prioritize seamless collaboration:

  1. Consultation and analysis: We discuss your needs, material requirements, application pressures, dimensional tolerances and required finishes.
  2. Manufacturing Design (DFM): Our engineers provide expert feedback to optimize your designs for improved, cost-effective and high-yield CNC machining.
  3. Material selection and procurement: A guide to choosing the best plastic for performance, cost and processability.
  4. Accurate 5-axis machining: Parts are closely watched for details and process control.
  5. Post-processing and completion: Apply the specified finish or treatment.
  6. Strict quality control: Use CMMs, calipers, instruments, etc. to perform a comprehensive inspection to ensure that specifications are met. Detailed reports available.
  7. Seamless delivery: Parts are delivered on time, ready for integration or further assembly.

Conclusion: Trust accuracy, choice reliability

In the demanding world of precisely designed plastic components, the choice of processing partners significantly affects product performance, development schedules, and cost efficiency. Relying on standard processing or inexperienced providers can lead to quality trade-offs, inaccurate dimensions and expensive delays. Greglight separates, combining cutting-edge five-axis CNC technology with deep material knowledge and unwaveringly committed to precision and reliability. From hypercomposite geometry in PEEK to highly tolerant acrylic components, our end-to-end service delivers consistent high-quality results quickly and competitively. When your plastic parts require uncompromising accuracy and reliability, delegate them to experts who can transform complex designs into high-performance reality. Discover Greatlight differences in the next custom plastic processing project.


Frequently Asked Questions about CNC Plastic Processing Services (FAQs)

Q1: What are the main advantages of using 5-axis CNCs over 3-axis plastic parts?
one: Five-axis machining excels in producing parts with complex geometric shapes (undercut, deep cavity, contoured surface) Single Settings. This results in higher accuracy (reduced repositioning error), upper surface finishes (better tool contact angles), generally faster production times, and the ability to create shapes with 3-axis CNCs. It greatly reduces the need for complex fixtures and multiple operations.

Q2: What types of plastics can CNC process?
one: Wide range! We use machines regularly:

  • Engineering Grades: PEEK, ULTEM (PEI), acetyl (POM), nylon (PA 6, PA 66, glass filled), PTFE (Teflon), PSU/PPSU, PPS, PPS, PVC.
  • Commercial plastics: acrylic acid (PMMA), polycarbonate (PC), ABS, HDPE, UHMW-PE, polypropylene (PP).
  • Castable resins and composites (check specific properties).
    We recommend the best materials based on the mechanical, thermal, chemical and electrical requirements of your application.

Q3: What surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface surface
one: Varies depending on plastic and requirements:

  • Normal: Directly off the machine; quality depends on tool path and material.
  • polishing: For optical clarity (e.g., acrylic lens) or highlight finish.
  • Bead Explosion: Even matte/satin finish, raw leather marking.
  • Texture finish: Various grain patterns.
  • Painting and coating: For color, UV protection or enhanced chemical resistance.
  • Edge Deburring: Ensure a smooth, secure edge. We achieve exceptionally smooth finishes through optimized machining strategies.

Question 4: Is your plastic processing service suitable for prototypes and production?
one: Absolutely. Our five-axis CNC machining is ideal for rapid prototyping (very fast turnover for form/fit/functional testing) and low to medium volume production runs. It avoids high costs and lead times for molds associated with injection molding of initial parts or smaller batches.

Q5: How strict can you hold on plastic parts?
one: We focus on precision machining and often maintain tolerances in +/- 0.001" to +/- 0.005" (0.025mm to 0.13mm) or tighter depending on the type of plastic, part geometry, size and wall thickness. Understanding the behavior of a material, such as thermal expansion or moisture absorption, is crucial and we take it into account to achieve reliable tolerances under expected working conditions. We will discuss and verify key tolerances in advance.

Question 6: In addition to CNC machining, do you provide components or completions?
one: Yes, Greatlight offers a comprehensive one-stop solution. In addition to CNC machining, our services include:

  • Precision cleaning
  • Solvent bonding or adhesive assembly
  • Precision finishing (polishing, bead blasting)
  • Painting, Silk Filtering, Printing
  • Heating treatment to reduce stress
  • Full quality control inspection and documentation (including CMM).
    This ensures that the parts are ready to be integrated or used.

Question 7: How do you ensure the quality of the parts, especially for critical applications?
one: Quality is integrated in every step:

  • Process control: Optimized processing parameters are specific to each plastic.
  • Expertise: Experienced mechanics have a deep knowledge of plastics.
  • DFM Feedback: Early design verification to prevent manufacturing problems.
  • Process Check: Monitoring during processing.
  • Post-surgery examination: Use calibration equipment (calipers, microns, altimeters, optical comparators, coordinated measuring machines – CMMs) with key dimensions of customer drawings/specs.
  • document: Detailed inspection reports are provided upon request. We prioritize traceability and consistency in all sections.

CNC Experts

Picture of JinShui Chen

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
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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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    • Inconel718
    • Carbon Fiber
    • Tool Steel
    • Mold Steel
    • Titanium
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    • Copper
    • Bronze
    • Low Carbon Steel
    • Magnesium
  • CNC Plastics
    • ABS
    • PC
    • PMMA (Acrylic)
    • PA (Nylon)
    • PE
    • PEEK
    • PP
    • HDPE
    • HIPS
    • LDPE
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    • 5 Axis CNC Machining
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    • CNC Milling & Turning
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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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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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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)

IATF 16949 certificate

IATF 16949 is an internationally recognized Quality Management System (QMS) standard specifically for the automotive industry. It builds upon the foundation of ISO 9001 and adds specific requirements relevant to automotive production and service parts. The goal is to enhance quality, improve processes, and reduce variation and waste within the automotive supply chain.

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