Precision CNC Plastic Machining Services | Custom Parts

A showcase of precision CNC-machined plastic parts by Beeplastic, featuring a complex PEEK medical component, a green FR-4 insulator, and a white Delrin gear.

✅3, 4 & 5-Axis CNC Capability✅Tight Tolerances✅Expertise in High-Performance PlasticsHello,

Expert CNC Machining of Custom Plastic Components

At Beeplastic, we specialize in transforming the most challenging plastic materials into mission-critical components. Leveraging state-of-the-art multi-axis CNC technology and deep material-specific expertise, we deliver production-quality parts with complex geometries, tight tolerances, and superior surface finishes. Your design, machined with unparalleled precision.

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The Beeplastic CNC Machining Advantage: Precision, Material Expertise, and True Partnership

Beyond owning state-of-the-art equipment, true CNC machining excellence lies in the deep integration of technology, material science, and engineering expertise. This is where Beeplastic excels. We don't just cut plastic; we engineer solutions. Discover the key advantages that ensure your components are machinedcontamination. correctly, efficiently, and to the highest standards, every single time.

Complex Geometries Unlocked with 5-Axis CNC Machining

Many plastic parts today require complex curves, undercuts, and features on multiple faces. Our advanced 3, 4, and 5-axis CNC machining centers tackle these challenges with ease. By machining your part in a single setup ("done-in-one"), we eliminate the inaccuracies that arise from multiple re-fixtures required by simpler 3-axis machines. This directly translates to:

Higher Precision & Tighter Tolerances: Consistent accuracy across all part features.
Improved Surface Finishes: Continuous toolpaths create smoother, more aesthetic surfaces.
Faster Lead Times: Reduced setup time means your parts get to you quicker.
Greater Design Freedom: Bring your most intricate and ambitious designs to life, without compromise.

We Don't Just Machine Plastic; We Understand It

Every plastic has a unique personality. Machining abrasive **FR-4** requires different tools and speeds than preventing melting in Polycarbonate (PC) or managing internal stresses in Delrin (POM). Our extensive, hands-on experience has allowed us to develop material-specific machining strategies:

Specialized Tooling: We use diamond-coated and carbide tools for abrasive composites like G-10 and FR-4 to maintain edge quality and precision.
Optimized Parameters: Our machinists expertly control speeds, feed rates, and cooling to prevent melting, chipping, and stress-induced cracking.
Post-Machining Treatments: We have expertise in annealing specific plastics like PEEK and Delrin to relieve internal stresses and ensure long-term dimensional stability.

Optimizing Your Design Before the First Cut

The most expensive mistake is the one made on the production floor. That's why every project at Beeplastic begins with a complimentary, comprehensive Design for Manufacturability (DFM) review. Our engineers analyze your CAD models to:

Identify Potential Issues: We look for features that are difficult to machine, may cause material stress, or drive up costs.
Suggest Cost-Saving Modifications: Simple changes like standardizing hole sizes or adding fillets can significantly reduce machining time and cost.
Ensure Material & Design Compatibility: We ensure your chosen plastic is the best fit for your design's geometry and intended application.This collaborative, proactive approach saves you time, money, and prevents costly redesigns.

Precision You Can Measure and Trust

In precision machining, quality isn't subjective—it's quantifiable. Our commitment to quality is backed by a robust inspection process and state-of-the-art metrology equipment.

In-Process & Final Inspections: We perform quality checks at multiple stages of the manufacturing process to catch any deviations early.
Advanced Metrology Tools: We utilize Coordinate Measuring Machines (CMMs), profile projectors, and a full range of precision gauges to verify that every critical dimension meets your specified tolerances.
Full Traceability & Reporting: We offer full material traceability and can provide detailed First Article Inspection Reports (FAIR) and full quality reports upon request, giving you complete confidence in the parts you receive.

At Beeplastic, our CNC machining services are engineered to go far beyond simple cutting. We provide a suite of specialized processes, each meticulously optimized to address the unique challenges of plastic fabrication. From handling the thermal sensitivity of thermoplastics to managing the abrasive nature of composites, our expertise ensures your components are not just made, but masterfully crafted. Whether you need intricate milled parts, high-precision turned components, or advanced multi-axis machining, we have the technology and deep material knowledge to bring your designs to life with unparalleled accuracy and quality.

A showcase of Beeplastic's comprehensive CNC plastic machining capabilities, featuring a multi-axis CNC machine precisely cutting a complex industrial component.

CNC Milling Services: For Unmatched Design Freedom & Complexity

Our multi-axis CNC milling services are the cornerstone for producing your most ambitious and complex non-cylindrical parts. Utilizing high-speed spindles and an extensive library of specialized tooling, including diamond-coated and carbide end mills for composites, we excel at creating a vast range of features on your custom plastic components. This process offers a perfect blend of speed, precision, and design freedom for both rapid prototyping and full-scale production runs.

A finished part expertly manufactured using Beeplastic's CNC milling service, highlighting complex 3D contours and intricate pockets machined into a plastic block.

Key Milling Capabilities & Features

3D Contouring & Surfacing: We can create smooth, complex, and organic 3D surfaces, perfect for ergonomic products and aerodynamic components.
Pockets & Cavities: Precision milling of internal pockets and cavities to exact depths and specifications, ideal for creating custom electronic enclosures and housings.
Holes, Slots & Threads: Accurate machining of through-holes, blind holes, slots, and both internal and external threads.
Intricate Engraving: Creating fine details like part numbers, logos, and lettering directly onto the surface of your component.

How We Master Plastic Milling Challenges

Heat Management: We meticulously control cutting speeds, feed rates, and use appropriate coolants to prevent melting, warping, and material degradation, especially critical for materials like Polycarbonate (PC) and Acrylic (PMMA).
Chip Evacuation: Our processes ensure efficient removal of plastic chips (swarf) to maintain a high-quality, unmarred surface finish and prevent tool binding or re-melting of chips.

CNC Turning Services: For High-Precision Cylindrical Components

Beeplastic's CNC turning (lathing) services are the ideal solution for fabricating custom cylindrical plastic parts with exceptional concentricity and superior surface finishes. We process solid plastic rods from a wide spectrum of materials, including low-friction plastics and high-strength composites, consistently maintaining tight diametrical tolerances for functional components that require a perfect fit.

An assortment of high-precision cylindrical parts created by Beeplastic's CNC turning service, including white Delrin (POM) bushings and black Nylon shafts.

Key Turning Capabilities & Features

Diameter Control: Machining parts to extremely tight outer (OD) and inner (ID) diameter tolerances.
Grooving & Parting: Creating precise O-ring grooves, retaining ring grooves, and cleanly parting off finished components.
Threading: We specialize in cutting accurate internal and external threads on a variety of plastic rods, including Nylon and Delrin (POM).
Complex Profiles: Turning custom profiles with tapers, radii, and complex contours.

Focus on Functional Performance

For Low-Friction Applications: We excel at creating durable, self-lubricating bushings and bearings from materials like Delrin (POM) and Nylon (PA).
For High-Strength Insulators: We fabricate precision insulating spacers, standoffs, and protective sleeves from Bakelite and FR-4, ensuring excellent electrical isolation and mechanical stability.
For Sealing Solutions: We machine custom high-purity valve seats and back-up rings from chemical-resistant PTFE and PEEK.

Advanced Machining & Finishing for Complete Solutions

To provide a truly turnkey component, our capabilities extend beyond primary milling and turning.

A 5-axis CNC machine in action, simultaneously moving and rotating to create a complex undercut feature on a high-performance plastic part for an aerospace application.

5-Axis and Multi-Axis CNC Machining

For parts with the most complex geometries requiring machining on multiple faces, our 5-axis CNC machining capabilities are essential. By being able to approach the workpiece from any angle, we can create intricate undercuts and complex curved surfaces in a single setup, which maximizes precision and reduces lead times. This is crucial for demanding aerospace, medical, and robotics components.

Value-Added Finishing Services

Vapor Polishing & Buffing: To achieve optical clarity on transparent plastics like Polycarbonate and Acrylic.
Bead Blasting: For a uniform, matte, non-reflective surface finish on parts like ABS housings.
Edge Finishing & Deburring: We manually inspect and deburr all machined parts to ensure they are smooth, clean, and safe to handle.
Part Marking & Engraving: For permanent part numbers, logos, or identification marks using laser or mechanical engraving.
Assembly & Hardware Installation: We can press-fit threaded inserts, install pins, and perform simple sub-assembly tasks to simplify your supply chain.

A showcase of value-added services, displaying a vapor-polished clear polycarbonate part next to a technician installing a threaded insert into a machined component.

Ready to Transform Your Design into a Precision Part? 🤔

You've explored our advanced CNC machining capabilities and how we tackle the unique challenges of plastic fabrication. Now, let's talk about your project. Our team of experienced engineers and machinists is ready to apply this expertise to bring your vision to life with unparalleled precision and quality.

Whether you have a finalized CAD model ready for quotation or need expert DFM feedback to optimize your design, we are here to help. Don't scroll any further – your journey to a high-quality custom plastic component starts right here.

👇 Let's Get Started! Here's How:

🚀 SUBMIT YOUR PROJECT: Scroll down to our secure RFQ form, upload your CAD files (STP, IGS, X_T, etc.), and provide your project details.
💬 GET EXPERT FEEDBACK: Our engineering team will review your design and provide a complimentary DFM (Design for Manufacturability) analysis along with a detailed, competitive quote.
✅ RECEIVE YOUR PRECISION PARTS: Once approved, we'll get to work machining your components and deliver them to your doorstep, on time and to your exact specifications.

【➡️ CLICK HERE TO JUMP TO THE QUOTE FORM ⬅️】

CNC Plastic Machining: Frequently Asked Questions

Have questions about our custom CNC plastic machining services? We've compiled answers to some of the most common inquiries we receive from our engineering and procurement partners. If you don't find your answer here, please don't hesitate to contact our expert team.

01 What are your typical machining tolerances for plastic parts?

For most plastic materials, we can consistently achieve standard machining tolerances of ±0.005 inches (±0.127mm). For many high-performance and stable plastics like PEEK and G-10, we can often achieve even tighter tolerances down to ±0.001 inches (±0.025mm) or better, depending on the part geometry and material properties. Please specify your critical tolerances on your engineering drawing, and we will review them for manufacturability.

02 What file formats do you accept for a quote?

We can work with a wide variety of 2D and 3D CAD files. For the fastest and most accurate quote, we prefer 3D solid models in STEP (.stp, .step) or IGS (.igs, .iges) format. We also accept SolidWorks (.sldprt), Parasolid (.x_t), and AutoCAD (.dwg, .dxf) files. For reference, you can also include 2D drawings in PDF format with material specifications and tolerance callouts.

03 How do you handle difficult-to-machine or abrasive plastics like FR-4 and glass-filled Nylon?

This is our expertise. We utilize specialized tooling, such as diamond-coated or solid carbide end mills, which are designed to handle the abrasive nature of glass and carbon-filled composites without rapid wear. Furthermore, we employ optimized cutting strategies and robust dust extraction systems to prevent delamination, ensure a high-quality surface finish, and maintain a clean-room work environment when needed.

04 Do you have a Minimum Order Quantity (MOQ)?

We pride ourselves on being a flexible partner for businesses of all sizes. For our CNC machining services, our MOQ is typically just one piece (MOQ=1). We are happy to support everything from single rapid prototypes to low-to-medium volume production runs. Contact us to discuss the most cost-effective solution for your required quantity.

05 What is a DFM review and is it included?

DFM, or Design for Manufacturability, is a critical engineering review of your part design. Yes, a complimentary DFM analysis is included with every quote request. Our engineers will analyze your design to identify any features that could be difficult or costly to machine. We may provide suggestions to improve your part's strength, reduce machining time, and lower overall cost, all before production begins.

06 What are your typical lead times for custom CNC machined parts?

Lead times can vary depending on part complexity, material availability, and current production capacity. However, for standard prototypes, we typically aim for a lead time of [e.g., 5-10] business days after design approval. For production runs, we will provide a detailed and reliable timeline with your formal quotation. If you have an urgent requirement, please let us know, and we will do our best to accommodate an expedited schedule.

CNC Machining in Action: Real-World Engineering Solutions

See how Beeplastic partners with innovators across demanding industries to transform complex CAD designs into functional, high-performance plastic components. Our precision CNC machining capabilities are at the heart of these success stories.

Industry: Medical Devices | Material: PEEK【Tight-Tolerance PEEK Components for a Surgical Device】

The Challenge: A medical device startup required a biocompatible, sterilizable component with highly complex internal features and geometric tolerances of ±0.005 inches (±0.127mm). The material, PEEK, is known to be challenging to machine without causing internal stress.

Our Solution: Our engineering team developed a custom 5-axis CNC machining strategy with specialized tooling and a controlled thermal environment. We provided DFM feedback to slightly radius internal corners, significantly improving machinability while maintaining full functionality.

The Result: We successfully delivered production-quality PEEK components that met all critical tolerances. This enabled our client to accelerate their device testing and validation phases, securing their next round of funding.

Delamination-Free Machining of FR-4 PCB Fixtures【Industry: Electronics & Semiconductor | Material: FR-4】

The Challenge: An electronics manufacturer needed precise, non-conductive fixtures for holding Printed Circuit Boards (PCBs) during automated testing. Previous suppliers struggled with material delamination and burrs around drilled holes.

Our Solution: We leveraged our expertise in machining abrasive composites. By using diamond-coated tooling, high RPMs, and a robust vacuum hold-down system, we successfully machined the FR-4 fixtures with perfectly clean holes and sharp, precise features.

The Result: The client received highly durable and dimensionally stable fixtures that significantly improved their testing accuracy and reduced board rejection rates, leading to tangible cost savings.

Industry: Industrial Automation & Robotics | Material: POM / Nylon【Improving Durability with Machined POM & Nylon Parts】

The Challenge: A machine builder was experiencing premature failure of their 3D-printed PLA parts in a high-cycle automation application. They needed a more robust, wear-resistant, and cost-effective solution for production.

Our Solution: We recommended switching to CNC-machined Delrin (POM) for its excellent stiffness and low friction, and Nylon for other parts requiring higher toughness. We then optimized the geometry for machining, maintaining the original design's functionality.

The Result: The new machined parts exhibited a 10x increase in service life, drastically reducing machine downtime and maintenance costs for our client and their end-users.

Industry: Electronics & Manufacturing Tooling | Material: Garolite (Phenolic Cloth)【Machining a Robust Garolite (Phenolic Cloth) Fixture for Electronics Testing】

The Challenge: A manufacturer of power supply units required a durable, non-conductive fixture to securely hold their products during a rigorous final testing cycle. The fixture needed to withstand repeated clamping pressure and high temperatures without deforming or scratching the units under test.

Our Solution: We recommended NEMA Grade CE Phenolic Cloth (Garolite) for its exceptional mechanical strength and low thermal conductivity. Our engineers then designed a CNC machining strategy using specialized carbide tooling to create intricate clamping features and precise alignment holes while maintaining a smooth, non-marring surface finish.

The Result: The delivered Garolite fixtures were significantly more durable than the client's previous plastic fixtures, leading to a longer tool lifespan and reduced replacement costs. The fixture's precision also contributed to more consistent and reliable test results.

A Spectrum of Engineering Plastics, Mastered for CNC Machining

Our deep, practical knowledge of how plastics behave under the stress of machining is your advantage. We have proven expertise in selecting the right tools, speeds, and strategies for each material family to deliver optimal results. Explore some of our most frequently machined materials below.

High-Performance Plastics (PEEK, Ultem, PTFE)

We specialize in the tight-tolerance CNC machining of high-performance polymers, managing challenges like thermal expansion and internal stresses to create critical components for aersopace, medical, and semiconductor applications.

View PEEK & High-Temp Plastics →
Thermoset Composites (FR-4, G-10, Phenolics)

Our expertise with abrasive thermosets ensures delamination-free machining. We fabricate robust electrical insulators and durable mechanical parts from FR-4, G-10, Bakelite, and Garolite sheets and rods.

Explore Phenolics & Composites →
General Engineering Plastics (POM, Nylon)

The workhorses of industry. We deliver exceptionally smooth surface finishes and precision on POM and Nylon parts, creating reliable gears, bearings, bushings, and low-friction components.

See POM & Nylon Options →
Transparent Plastics (PC, Acrylic)

Achieve optical clarity and intricate details with our specialized CNC milling and post-machining polishing services for Polycarbonate and Acrylic. Perfect for light guides, windows, and high-end displays.

Discover Clear Plastic Machining →
ABS Plastic

A versatile and cost-effective material. We expertly machine ABS for durable housings, functional prototypes, and general-purpose parts, ensuring great impact strength and excellent aesthetics.

View ABS Machining Services →
Flexible Materials (Silicone & Rubber)

While primarily known for molding, we also have capabilities for machining specific grades of silicone and hard rubber to create unique prototypes and custom sealing components with complex geometries.

Learn About Elastomer Machining →

From Your CAD to Quality Parts: Our Streamlined CNC Machining Process

We believe in transparency and partnership. Our step-by-step process is designed to be clear, collaborative, and efficient, ensuring you receive the highest quality custom plastic parts, on time and to your exact specifications. Here’s how we turn your design into reality:

Step 01: Project Submission & Initial Review

Your journey begins when you upload your CAD files and project requirements through our secure quote form. Our team performs an initial review to understand your core objectives. An NDA is available upon request to fully protect your intellectual property.

Step 02: Complimentary DFM & Engineering Feedback

This is our collaborative core. Our experienced engineers conduct a thorough, complimentary Design for Manufacturability (DFM) review. We analyze your design for potential issues and provide a detailed report with actionable feedback to optimize for performance, reduce costs, and accelerate production.

Step 03: Transparent Quotation & Final Confirmation

Following the DFM review, you will receive a clear, comprehensive, and itemized quotation with no hidden costs, along with a realistic project timeline. We work with you to confirm the final, optimized solution before any commitment is made.

Step 04: Precision CNC Machining & In-Process QC

Once confirmed, your project moves to our state-of-the-art production floor. Our skilled machinists program our multi-axis CNC centers adhering strictly to the approved design. Rigorous in-process quality checks are performed at critical stages to ensure flawless execution.

Step 05: Final Inspection & Quality Reporting

Before shipping, every component undergoes a thorough final inspection using advanced metrology tools like CMMs and profile projectors. We verify that all dimensions and tolerances meet your exact specifications. A full First Article Inspection Report (FAIR) is available.

Step 06: Secure Packaging & Global Delivery

Your finished precision parts are meticulously packaged for maximum protection during transit. We provide reliable, tracked global shipping to any destination worldwide, ensuring your components arrive safely and on schedule.

YOUR RELIABLE FABRICATION PARTNER

Always Here to Support Your Project

We are more than just a manufacturer; we are your project partner. Our team is committed to providing responsive service, expert technical support, and transparent communication from your initial inquiry to final delivery.

Direct Engineering & Sales Support

beeplastic@beeplastic.com

Our Facility Address & Hours

Building 3, Dezheng Middle Road, Chang'an Town, Dongguan City, Guangdong Province, China 【Mon to Sat - 08:00 - 22:00】

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Our engineering team is ready to deliver. Submit your project details below for a comprehensive review and a competitive, no-obligation quote.

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