As demand for high-performance engineering components continues to rise across industries like automotive, electronics, and industrial automation, precision CNC machining PA black parts has become an essential solution. These parts are fabricated from PA (polyamide)—commonly known as nylon—and are ideal for applications requiring strength, wear resistance, and low friction. When machined with tight tolerances and dyed or pigmented black, PA components combine function, form, and durability in one lightweight package.
What Is PA (Polyamide)?
Polyamide (PA) is a versatile thermoplastic commonly used in engineering and manufacturing. Known for its excellent mechanical strength, fatigue resistance, and machinability, PA is often selected when metal replacement is needed in non-load-bearing or semi-structural applications.
Common PA grades include:
- PA6 (Nylon 6): Good toughness, wear resistance, and impact strength
- PA66 (Nylon 66): Higher melting point, superior mechanical performance
- Glass-filled PA: Increased stiffness and dimensional stability
- Black PA: Typically pigmented for UV resistance and aesthetic value
Why CNC Machining for PA Black Parts?
While PA is often used in injection molding, CNC machining is the preferred method for low-volume production, prototyping, or parts requiring tight tolerances and complex geometries.
Benefits of CNC machining PA parts:
- Precision tolerances: ±0.005" or better for tight-fitting assemblies
- No tooling cost: Ideal for small batches or customized components
- Rapid turnaround: Faster than mold creation and processing
- Design flexibility: Easily modified without retooling
- Surface finish control: Machined surfaces can be optimized for appearance or function
Common Applications
CNC-machined black PA parts are used in a wide range of industries and mechanical systems, including:
1.Automotive
- Cable guides and brackets
- Engine compartment fasteners
- Interior trim components
2.Electronics & Robotics
- Insulating mounts
- Enclosures for sensors and PCBs
- Wear-resistant sliders
3.Industrial Machinery
- Custom bushings, spacers, and washers
- Pulleys and guide wheels
- Jigs and fixtures
4.Medical Devices
- Lightweight structural parts (non-implantable)
- Equipment brackets and holders
Finishing Options
Although PA parts are often used as-machined, some finishing options include:
- Deburring and polishing for smoother surfaces
- Surface texturing for grip or functional interface
- Threading or press-fitting for integration into larger assemblies
Why Choose Precision CNC Machining for PA Black Parts?
Precision CNC machining ensures each part meets tight design tolerances and functional requirements. This is critical for components in safety-sensitive or high-performance environments.
Key reasons to choose CNC machining for PA black parts:
- Rapid prototyping without mold costs
- High dimensional accuracy
- Low-friction and durable surfaces
- Customized geometries and assembly features
- Enhanced UV and wear resistance with black pigmentation
| | CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc. |
| | Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
| Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
| Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
| Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
| Titanium: Grade F1-F5 |
| Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| | Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
| | ±0.002 ~ ±0.005mm |
| | Min Ra 0.1~3.2 |
| CERTIFICATE | ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc. |
FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.
