Plastic CNC Machining Service | CNC Plastic Parts Manufacturer
YIJIN Hardware offers high-quality plastic machining services for a variety of industries, ensuring precision in every component. Our advanced CNC milling and laser cutting technologies enable us to work with plastics such as acrylic, HDPE, and POM, creating custom parts to meet your needs.
- ⬤Service
- ⬤Vos coordonnées
- ⬤Soumettre
What is CNC Machining Plastic Parts?
CNC machining of plastic parts involves using computer-controlled machines to shape and finish plastic materials with high precision. This process is essential for producing custom plastic components in industries such as automotive, aerospace, medical devices, and consumer products. CNC machining solutions, y compris CNC milling service, CNC turning service, and drilling, allow for the creation of complex designs and intricate details in plastic parts, ensuring they meet specific performance and design requirements.
Types of Plastics We Commonly Manufacture
There are many types of plastic parts, such as: PP, POM, Nylon, PMMA, ABS, Teflon, PEEK, PC, PVC, etc.
| Type of Plastic | Common Name | Caractéristiques principales | Applications typiques |
|---|---|---|---|
| ABS | Acrylonitrile Butadiene Styrene | Good mechanical properties, impact strength, and easy to machine | Electronic housings, automotive components |
| Acétal | POM (Delrin) | High stiffness, excellent frictional characteristics, and good thermal stability | Precision gears, bearings, bushings |
| PEHD | High-Density Polyethylene | Excellent chemical resistance, lightweight, good impact strength | Food processing equipment, chemical tanks |
| Type of Plastic | Common Name | Caractéristiques principales | Applications typiques |
|---|---|---|---|
| ABS | Acrylonitrile Butadiene Styrene | Good mechanical properties, impact strength, and easy to machine | Electronic housings, automotive components |
| Acétal | POM (Delrin) | High stiffness, excellent frictional characteristics, and good thermal stability | Precision gears, bearings, bushings |
| PEHD | High-Density Polyethylene | Excellent chemical resistance, lightweight, good impact strength | Food processing equipment, chemical tanks |
| Nylon | Polyamide | Strong, durable, and resistant to abrasion; good for mechanical parts | Wear plates, gears, structural components |
| PMMA | Acrylique | Strong thermoplastic, optical clarity, UV resistant | Displays, lenses, light guides |
| PEEK | Polyether Ether Ketone | High-performance thermoplastic with excellent mechanical and thermal properties | Medical device components, aerospace parts |
| Polycarbonate | PC | High impact resistance, can be transparent; suitable for demanding applications | Safety shields, electronic housings |
| PVC | Polyvinyl Chloride | Versatile, good chemical resistance; used in a variety of applications | Chemical processing parts, industrial fixtures |
| UHMW-PE | Ultra-High Molecular Weight Polyethylene | Extremely wear resistant, low friction, high impact strength | Wear strips, cutting boards, chute liners |
Quels sont les traitements de surface courants des pièces plastiques usinées par CNC ?
Afin de rendre les pièces en plastique plus belles et plus texturées, les produits sont généralement traités en surface.
Les traitements de surface les plus courants dans l'usinage des matières plastiques sont les suivants : Givrage, pulvérisation, sérigraphie, tampographie, impression par transfert thermique, impression par transfert d'eau, gravure au laser, électrophorèse (galvanoplastie à l'eau), revêtement sous vide, motifs de morsure (gravure, texture de la peau) pour les abrasifs en plastique.
L'électrodéposition et la peinture sont des techniques courantes de traitement de la surface des pièces en plastique.
YIJIN Hardware a plus de 20 ans d'expérience dans la production de produits en plastique, quel que soit le type de conception personnalisée que vous avez, YIJIN Hardware vous fournira un service d'usinage personnalisé.
Applications of CNC Machined Plastic Parts
- Fraisage CNC: CNC (Computer Numerical Control) milling is a common method for machining plastics. It allows for high precision and repeatability, making it suitable for complex shapes and detailed designs.
- Découpe au laser: Laser cutting is often used for acrylic and other plastics, especially for intricate designs. It provides clean edges and can handle various thicknesses, although care must be taken to avoid melting.
- Impression 3D: While not traditional machining, 3D printing is increasingly used for creating plastic parts. It allows for complex geometries and rapid prototyping, although it may not achieve the same mechanical properties as CNC machined parts.
- Découpe au jet d'eau: Waterjet cutting is another method that can be used for plastics. It uses high-pressure water to cut through materials without generating heat, which can be beneficial for heat-sensitive plastics.
Capacités d'usinage avancées
Our facility features advanced Usinage CNC à 5 axes centers that allow us to produce complex plastic components with undercuts, compound angles, and contoured surfaces in a single setup. This reduces handling, improves accuracy, and ensures consistent quality across production runs.
We also utilize precision CNC turning for cylindrical plastic components, achieving exceptional tolerances for parts like bushings, spacers, and precision fittings.
Surface Finish Options
We offer various surface finishes for plastic machined parts:
- Polished Finish: High gloss, mirror-like appearance for optical clarity or aesthetic appeal
- Matte/Brushed Finish: Brushed surface texture for reduced glare and fingerprint visibility
- Textured Finish: Patterns for improved grip or aesthetic purposes
- Bead Blasted: Uniform satin appearance with good light diffusion
- Painted/Coated: Custom colors and protective coatings for UV resistance or wear protection
Meilleur fabricant et usine de pièces usinées CNC en Chine.
Offrir des services d'usinage CNC rapides et rentables à guichet unique.
Conception gratuite de pièces usinées pour vos projets avec des délais d'exécution rapides.
Material Selection Guide for Plastic Machining
Selecting the right plastic material for your CNC machined parts is crucial for optimal performance. Consider these factors:
- Mechanical Requirements: Will the part bear loads, require stiffness, or need impact resistance?
- Thermal Conditions: What temperatures will the part experience during operation?
- Chemical Exposure: Will the part come into contact with chemicals, oils, or solvents?
- Conformité réglementaire : Does the application require FDA, USP, or other certifications?
- Considérations relatives aux coûts : Balance performance requirements with budget constraints
Our engineering team can help you select the optimal plastic material for your specific application needs. For complex applications, we recommend custom plastic parts consultation to ensure the best material choice.
Applications of CNC Machined Plastic Parts
The CNC machining plastic parts have a wide range of applications, involving almost all industries, such as home appliances (most of the casings of home appliances are plastic products), toys, mobile phone casings, computer casings, auto parts, daily necessities and so on.
Les produits en plastique sont omniprésents dans notre vie, ce qui prouve que leur utilité et leur succès de vente sont très importants.
Applications spécifiques à l'industrie
Design Considerations for CNC Plastic Machining
To optimize your plastic parts for CNC machining:
- Wall Thickness: Maintain minimum wall thickness of 0.8mm for rigid plastics and 1.5mm for flexible materials
- Internal Corners: Design with minimum 0.5mm radius on internal corners to accommodate tool geometry
- Deep Pockets: Limit depth-to-width ratios to 4:1 where possible to maintain dimensional accuracy
- Tolerance Specification: Define critical dimensions with appropriate tolerances (±0.1mm is standard, ±0.05mm for precision features)
- Thread Design: Consider using inserts for threaded features in softer plastics
Our engineering team offers free design services to optimize your plastic parts for manufacturability and performance.
FAQs about Plastic Machining Services
What Are the Advantages of Plastic Machining Services?
- Précision : CNC machining offers high accuracy, making it ideal for parts that require tight tolerances.
- Polyvalence : A wide range of plastics can be machined, making it suitable for various applications across different industries.
- Rapport coût-efficacité : For low to medium production runs, plastic machining can be more economical than other manufacturing methods, such as injection molding.
- Customization: Machining services can produce custom parts tailored to specific requirements, which is especially useful for prototyping.
- No Tooling Costs: Unlike injection molding, CNC machining doesn’t require expensive molds, making it ideal for prototypes and small batches.
- Faster Lead Times: Parts can be produced in days rather than weeks, perfect for rapid machining requirements.
Quels sont les problèmes courants rencontrés dans le processus d'usinage CNC des produits en plastique ?
1. Les pièces en plastique produisent des bavures
Les pièces en plastique produisent des bavures (ou flash, débordement, débordement) : L'apparition de bavures est causée par le débordement de la résine de moulage par injection fondue à partir de la surface de séparation du moule, ce qui constitue le pire état de l'opération de formage.
En particulier, lorsque la bavure est fermement collée au plan de joint du moule et que le moule est serré, elle endommage le plan de joint du moule.
Si le moule est endommagé de cette manière, de nouvelles bavures apparaîtront dans le produit moulé lorsqu'il sera retravaillé. En même temps, cela aggrave l'endommagement du moule et le rend inutilisable.
Il convient donc d'être particulièrement attentif.
- Ne pas utiliser une pression d'injection excessive
- Améliorer la force de serrage
- Prendre soin de la moisissure
- Ajuster le volume d'injection, abaisser la température
2. Dépressions de surface
Dépressions superficielles (ou piqûres de retrait) des pièces en plastique : Les dépressions sont les défauts de surface les plus courants des produits moulés.
Il s'agit d'un défaut formé dans l'épaisseur de la paroi en raison du changement de volume causé par le retrait thermique du produit moulé.
La dépression est un défaut mineur par rapport à un formage insuffisant. Elle se produit souvent lorsque la cavité du moule est remplie de résine fondue, mais que la pression de maintien n'est pas suffisante.
3. Heat Damage During Machining
Plastic materials have lower melting points than metals, making them susceptible to heat damage during machining. Using proper cutting speeds, sharp tools, and appropriate coolant strategies prevents melting, burning, or warping of plastic parts.
4. Stress Whitening
Some plastics, particularly acrylic and polycarbonate, can develop white stress marks in areas of high tool pressure or improper fixturing. Our machinists use specialized techniques and tooling to minimize this effect.
5. Dimensional Stability Issues
Many plastics have higher thermal expansion coefficients than metals, which can affect dimensional stability during machining. Our climate-controlled facility and stabilization procedures ensure consistent part dimensions.
What is the Difference Between CNC Machined Plastic Parts and 3d Printed Parts?
While both can produce complex geometries, CNC machined plastic parts typically offer:
- Superior mechanical properties with no layer lines or anisotropic behavior
- Better surface finish without the stepping effect common in 3D printing
- Higher dimensional accuracy particularly for critical features
- Wider material selection including high-performance engineering plastics
- Better scalability from prototype to production volumes
3D printing may be preferred for extremely complex internal geometries or very low quantities where setup costs are a factor.
What Are Typical Lead Times for Plastic CNC Machined Parts?
Lead times vary based on complexity, quantity, and material availability:
- Standard parts: 5-10 business days
- Rapid prototypes: 2-3 business days with expedited service
- Complex or large production runs: 2-4 semaines
Notre small batch machining service provides efficient turnaround for quantities from 1-1000 pieces.
Commencez dès aujourd'hui. Les pièces sont fabriquées rapidement.
Conception gratuite de pièces usinées pour vos projets avec des délais d'exécution rapides.
FR 
EN 
ES 
RU 
DE 
