
OEM Nylon (PA) CNC Turned and Milled Parts Supplier
Overview
XCM CNC provides custom Nylon and PA turned and milled parts for drawing-based wear-resistant transmission and engineering-plastic projects. Drawing and DFM review can confirm the material direction, moisture-compensation plan, and critical fit conditions before machining starts.
For wear resistance, self-lubrication, high toughness, impact resistance, and precision-machining demand, sample approval also reviews gear, slider, and bearing structures, metal-replacement direction for weight and noise reduction, and the response path for design changes before low-volume production starts.

Key Capabilities
- Materials: PA6, PA66, MC Nylon, glass-filled Nylon by drawing review
- Tolerance: +/-0.03 mm standard (non-reinforced PA6/PA66), +/-0.005 mm selected critical features by drawing review
- Surface Finish: Ra 3.2 um milled, Ra 1.6 um precision milled, Ra 1.6-2.5 um turned
- GD&T: Coaxiality 0.012 mm, runout 0.01 mm, cylindricity 0.011 mm for selected features by drawing review
- Max Size: Milling 3000 x 1600 x 1400 mm, turning diameter 1250 x 2000 mm
- Surface Treatment: Deburring, edge smoothing, moisture-conditioning review, or marking by drawing review
- Thread: M2-M220, NPT, BSP, G, PT. M1.4 is not recommended for PA because of edge-breakage risk.
- Inspection: CMM report, FAI report, and material certificate by order requirement

Nylon DFM Review for Critical OEM Fit Features
Nylon OEM drawing review can lock selected +/-0.005 mm critical features and 0.015 mm position tolerance on functional surfaces before sample approval. Changes among PA6, PA66, MC Nylon, and glass-filled PA, together with gears, sliders, bearing seats, and 0.01 mm hole-position requirements, are reviewed with stock allowance, fixture datums, and inspection plans during the engineering stage.
Nylon Sample Approval for Tough Thin-Wall Parts
Nylon sample approval can reserve Ra 1.6 um mating faces and Ra 1.6-2.5 um turned bores on selected functional areas by drawing review. When wall thickness approaches 0.5 mm, H7 holes are required, or the part needs multi-face fixturing, first-article confirmation still checks heat buildup, recovery, and deburring scope.
PA Revision Control for Critical Fits
PA revisions can recheck 0.012 mm coaxiality and 0.01 mm runout on selected shaft-bore or flange interfaces. When a revision affects deep cavities, long slots, or fit faces, toolpaths, stock allowance, and the reinspection order need reassessment around 0.02 mm flatness and selected +/-0.005 mm precision features.
PA Reinspection After Surface Protection
Protected PA parts can keep Ra 3.2 um standard milled faces while selected zones receive edge smoothing or moisture-conditioned finish review. Precision gears, wear sliders, low-noise transmission parts, and guide structures can be reinspected after sampling with CMM, FAI, and material records for 0.015 mm hole position and 0.012 mm coaxial features on selected areas.
Specifications
| Product Name | OEM Nylon (PA) CNC Turned and Milled Parts Supplier |
|---|---|
| Manufacturer | XCM CNC |
| Factory Location | Shenzhen, Guangdong, China |
| Quality System | ISO 9001, ISO 13485, IATF 16949, GJB9001C |
| Machining Process | CNC turning, CNC milling |
| Material | Nylon (PA) |
| Material Grade | PA6, PA66, MC Nylon, glass-filled Nylon by drawing review |
| Tolerance | +/-0.03 mm standard (non-reinforced PA6/PA66) |
| Precision Tolerance | +/-0.005 mm selected critical features by drawing review |
| Surface Roughness | Ra 3.2 um milled, Ra 1.6 um precision milled, Ra 1.6-2.5 um turned |
| Surface Treatment | Deburring, edge smoothing, moisture-conditioning review, or marking by drawing review |
| Max Part Size | Milling 3000 x 1600 x 1400 mm / Turning diameter 1250 x 2000 mm |
| Inspection | CMM, roundness tester, height gauge, roughness tester, thread gauges |
| Application | Precision plastic gears, low-noise sliders, wear-resistant guide parts |
| Typical Application | Drawing-based nylon gears and wear parts |
| Key Features | Wear-resistant PA machining, low-noise transmission review, DFM review, sample approval |
| Critical QC Requirements | Material traceability, moisture-expansion review, tooth-profile inspection, fit-surface check, post-process reinspection |
| Batch Range | 1 piece to low-volume repeat production |
| MOQ | 1 Piece |
| Typical Lead Time | 10-15 business days after drawing review |
| Drawing Formats | STEP, IGS, DWG, PDF, X_T |
| Secondary Process | Deburring, edge smoothing, moisture-conditioning review, marking, and post-machining reinspection |
| Material Certificate | Material certificate by order requirements |
| Material Feature | Wear-resistant polymer, low-noise motion parts, moisture-compensation review |
| Assembly Features | Gears, sliders, bushings, guide rails, and low-noise transmission features by drawing review |
Applications
Precision Plastic Gears and Low-Noise Worm Gears
Typical Parts: Plastic gear, worm gear, transmission bushing
PA wear resistance, self-lubrication, and weight-saving low-noise behavior suit plastic gears, worm gears, and transmission bushings. Gear teeth, shaft bores, and meshing faces can confirm PA6, PA66, or MC Nylon selection, moisture compensation, and sample reinspection scope during DFM review.
Textile Yarn Guides and Wear Sliders
Typical Parts: Yarn guide, wear slider, cam
PA toughness, wear resistance, and self-lubrication suit yarn guides, sliders, and cams used in continuous friction service. Guide grooves, sliding faces, and cam profiles can confirm PA grade, moisture compensation, and sample reinspection scope before release.
Food-Equipment Guide Rails and Chain Plates
Typical Parts: Wear guide rail, chain plate, guide part
PA wear resistance and low-noise weight reduction can suit food-equipment rails, chain plates, and guide parts, subject to the drawing, service conditions, and industry rules. Rail mating faces, chain-plate holes, and guide grooves can confirm PA grade, moisture compensation, and sample reinspection scope during DFM review.
Conveyor Rails and Guide Strips
Typical Parts: Conveyor slide rail, guide strip, sprocket
PA wear resistance, self-lubrication, and toughness suit conveyor slide rails, guide strips, and sprockets that see repeated contact. Rail groove faces, guide edges, and sprocket bores can confirm the grade, moisture compensation, and sample reinspection scope before machining starts.
Why Choose Us
Certified Quality System and Nylon Machining Coverage
XCM CNC organizes Nylon and PA projects under ISO 9001, ISO 13485, IATF 16949, and GJB9001C aligned quality processes, with DMG, Mazak, Matsuura, and Brother equipment supporting turning, milling, and wear-resistant transmission parts. PA6, PA66, MC Nylon, and glass-filled projects can review moisture compensation, gear precision, and wear-surface requirements during drawing review.
Size Range from Small Connectors to Large Wear Structures
The machining range covers small connector-scale parts, PA gears, sliders, bushings, low-noise transmission parts, larger guide rails, conveyor wear parts, and metal-replacement weight-saving structures. Milling travel reaches 3000 x 1600 x 1400 mm and turning capacity reaches diameter 1250 x 2000 mm, subject to fixturing, moisture compensation, material grade, and fit requirements.
Tiered Equipment Strategy for Low-Cost CNC Machining, Quality-Assured Production
XCM CNC uses four equipment tiers from mainland China, Taiwan, Japan, Europe, and the US. Standard-tolerance operations can run on domestic or Taiwan equipment, while higher-precision features move to imported machines such as DMG and Mazak. Equipment is matched to actual tolerance needs so cost stays aligned with the drawing.
Drawing Review Comes First for Nylon Projects
Nylon custom parts benefit from placing 2D and 3D drawings, fit faces, gear tooth profiles, and grade requirements into DFM review before the sample stage instead of defining the precision strategy afterward. Valve-core, gear, locator, and transmission programs can define the drawing revision, machining datum, and sample acceptance priorities up front.
Material Grade Confirmed Before Sampling
PA6, PA66, MC Nylon, and other Nylon grades can be evaluated separately for dimensional stability, low-friction behavior, and fatigue resistance before sample approval so a later material change does not create avoidable rework. When the design changes, crystallization behavior, fit tolerance, and reinspection scope are reviewed again first.
FAQ
How do you choose PA6, PA66, or MC901 for CNC Nylon parts?
Selection usually starts by comparing wear resistance, self-lubrication, toughness, moisture compensation, and dimensional requirements across PA6, PA66, and MC901 style grades. The final choice still depends on the drawing, service condition, fit faces, and batch requirements.
How do you compensate for moisture-related size change on Nylon parts?
Moisture-related dimensional change on PA parts is usually addressed during drawing review rather than after assembly problems appear. The actual compensation still depends on the grade, wall thickness, fit relationship, and service environment.
How precise can CNC machined Nylon gears or wear parts be?
PA gears, sliders, and fit faces can be evaluated against reference capabilities such as 0.02 mm flatness, 0.015 mm position tolerance, and 0.01 mm hole position on selected features. Whether those values apply to a given part still depends on the grade, moisture behavior, and inspection method.
How do Nylon and POM compare for wear parts and precision fit?
Nylon is often selected first for wear resistance, self-lubrication, and low-noise weight-saving service, while POM is often easier to evaluate for lower moisture uptake and dimensional stability. The final material choice still depends on load, humidity, fit requirements, and availability.
What drawing files and Nylon details do you need for a custom quote?
Quotation and DFM review usually need 2D and 3D drawings, the PA grade, tolerance target, quantity, and application notes. If the part involves gears, sliders, bushings, or reinforced grades, those sample priorities should be marked clearly.
How do you handle Nylon design or grade changes after sample approval?
If the grade, gear profile, fit face, or service condition changes after sample approval, moisture compensation, stock allowance, and reinspection items are reviewed again. Whether a new first article or updated inspection requirement is needed still depends on the exact revision.
Request a CNC Machining Quote from XCM CNC
Send us your drawings. Our team will review the file and reply with a machining quote. MOQ: 1 piece, with competitive low-cost pricing.
Email: [email protected] | WhatsApp: +8618638951317



