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CNC Plastic Machining Service

DEK offers a wide range of plastics suitable for CNC machining in a variety of industries, for both one-off prototypes and end-use customized parts. With our high-precision CNC machining centers and top-notch machining technology, we can provide one-stop CNC plastic machining services to manufacture high-quality machined plastic parts at competitive prices for customers worldwide.

Choose our CNC machining plastic service with no minimum order quantity, fast turnaround time and quick quotation within 6 hours. AS9100D | ISO 9001:2015 | ISO 13485 Certified!

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introduction

Plastics in CNC Machining

plastic (1)(1)

CNC machined plastics are versatile for various applications, from prototypes to end-use components.

Despite being challenging to machine, their lightweight and simple geometries make them often preferable to 3D printing or injection molding. These materials vary in durability and machinability, with options like ABS for cost-effective design testing. With 180+ expert employees, DEK is confident in providing high quality CNC machined precision plastic parts. CNC machining of plastics involves using computer-controlled machines to shape plastic materials accurately. We have the latest and most advanced CNC machining equipment designed for plastics.

For best results, DEK can help you choose the right plastic for your project, considering properties like strength and transparency. DEK uses carbide end mills for cutting and optimizes machine settings, adjusting spindle speed and feed rates to prevent issues like overheating. We use proper coolants or lubricants to help maintain optimal temperatures during machining. We plan efficient toolpaths, secure the plastic material with fixtures like clamps, and ensure effective dust collection. We do regular quality checks and adjustments, and post-processing steps like polishing may be needed. We are committed to providing 100% customer service satisfaction.

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CNC Machining Plastic Material List

ABS

ABS (Acrylonitrile Butadiene Styrene) is a tough, impact-resistant thermoplastic polymer composed of acrylonitrile, butadiene, and styrene.

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Delrin

Delrin, also known as polyoxymethylene (POM), has high strength, stiffness, and dimensional stability. Plus, it also has excellent wear resistance, low friction, and is resistant to moisture, chemicals, and various solvents.

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FR4

FR4 is a flame-retardant, glass-reinforced epoxy laminate used in CNC machining for its durability and electrical insulation properties.

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Garolite G-10

Garolite G-10 is a high-pressure fiberglass laminate with excellent electrical insulating properties, high mechanical strength, and chemical resistance.

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Nylon

Nylon (polyamide ) is an engineering thermoplastic that can be thermoformed and machined into a variety of shapes.

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PEI

DEK provides on-demand CNC machining PEI services, whether it is rapid prototyping or mass production, we can customize PEI precision parts according to the project's specifications, samples or drawings. We have advanced equipment and first-class technology, short turnaround time, fast delivery, and have passed ISO 9001:2015, ISO 13485 and AS9100D certification.

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PEEK

PEEK stands for Polyether Ether Ketone, a high-performance semicrystalline thermoplastic polymer with excellent mechanical and chemical resistance properties.

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PET

PET stands for polyethylene terephthalate, a type of plastic commonly used in manufacturing beverage bottles, food packaging, and other consumer products.

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PMMA (Acrylic)

PMMA (Acrylic) is a clear and durable plastic often used for outdoor applications due to its UV resistance and weatherability.

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Polycarbonate

Polycarbonate (PC) is a clear and strong material which is part of the polyester family of plastics. PC is produced through the reaction of bis-phenol A and carbonyl chloride in an interfacial process.

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Polyethylene(PE)

DEK offers precision CNC machining PE services, whether it's a rapid prototype or a small batch of machined PE parts, we will meet your needs on demand. With state-of-the-art equipment and machining technology, we have short turnaround times, fast delivery and are ISO 9001:2015, ISO 13485 and AS9100D certified.

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PPSU

PPSU, or polyphenylsulphone, is an amorphous material that belongs to the polysulphone group. It has a high glass transition temperature and low moisture absorption.

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PTFE

PTFE is a synthetic fluoropolymer of tetrafluoroethylene. It is well-known for being non-stick, having high chemical resistance, and having low friction.

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Polypropylene(PP)

Polypropylene (PP) is a thermoplastic polymer with high chemical resistance, low density, good electrical insulation, and low cost.

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PVC

PVC is an affordable thermoplastic polymer with good chemical resistance, electrical insulation properties, and durability.

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TECHNOLOGY OVERVIEW

Basic Knowledge of CNC Machining Plastics

What is Plastic?

Plastic is a polymer, a large molecule composed of repeating structural units called monomers. It can be classified into two main types: thermoplastics and thermosetting plastics. Thermoplastics can be melted and reshaped multiple times without undergoing significant chemical change. While thermosetting plastics harden irreversibly when heated, making them suitable for durable applications.

Plastics are created through polymerization, a process where monomers join together to form long chains or networks. Additives like plasticizers, stabilizers, and colorants are often incorporated to enhance properties or appearance. DEK has different types of plastics available, such as nylon, acetal, polyethylene, polypropylene, and many more.

Advantages of Plastics

  • Lightweight
  • Durable
  • Versatile
  • Cost-effective
  • Insulating properties
  • Resistant to chemicals
  • Moldable
  • Long-lasting
  • Low energy production
  • Wide range of applications

Applications of Plastics

  • Food packaging
  • Medical devices
  • Automotive components
  • Construction materials
  • Electronic casings
  • Toys and recreational equipment
  • Agricultural films
  • Textile fibers
  • Pipes and tubing
  • Consumer goods packaging

FAQ

CNC Machining Plastics Buying FAQ

Yes, plastic is a suitable material for CNC machining. Common plastics used include ABS, acrylic, polycarbonate, Delrin, Nylon, and more. CNC machining allows for precise shaping and detailing of plastic components.
The best plastic for CNC machining depends on the specific requirements of your project. Common choices include ABS, Delrin, and Nylon for their machinability and mechanical properties.
PEEK (Polyetheretherketone) is often considered one of the most challenging plastics to machine due to its high temperature resistance and toughness.
Acetal is considered a cost-effective machining plastic, offering a good balance of performance and affordability.

Other Materials

PTFE(1)

PTFE

PTFE is a synthetic fluoropolymer of tetrafluoroethylene. It is well-known for being non-stick, having high chemical resistance, and having low friction.

More info about PTFE
PEEK(1)

PEEK

PEEK stands for Polyether Ether Ketone, a high-performance semicrystalline thermoplastic polymer with excellent mechanical and chemical resistance properties.

More info about PEEK
Nylon(1)

Nylon

Nylon (polyamide ) is an engineering thermoplastic that can be thermoformed and machined into a variety of shapes.

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