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At TEAM MFG, we deliver precision custom CNC machining for non-standard parts across aerospace, medical, automotive, robotics, semiconductor, and industrial automation. Our standardized, end-to-end CNC workflow is engineered for accuracy, traceability, and scalable production—from rapid prototyping to high-volume manufacturing for international clients.
TEAM MFG’s 9‑step CNC workflow spans Project Inquiry, DFM Optimization, Material Sourcing, FAI Validation, Precision Production, Surface Finishing, Final Inspection, Global Shipping, and After‑Sales Support. Built for rapid prototyping and low‑volume runs, it ensures agile revisions, full traceability, and zero hidden fees.
Below is our complete, transparent custom CNC machining process. Each step includes strict quality gates, engineering validation, and global compliance standards to eliminate rework, control costs, and guarantee on-time delivery.
Clear communication at the start prevents costly revisions later. Share your project data, and our engineering team will align your design intent with manufacturability.
Submit the following for accurate quoting & DFM review:
2D drawings (PDF, DWG) & 3D models (STEP, IGES, STP)
Material specs (aluminum, stainless steel, titanium, PEEK, POM, engineering plastics)
Tolerance & GD&T requirements, surface roughness (Ra values)
️ Operating environment (temperature, corrosion, wear, cleanroom)
Quantity (prototyping, low-volume, medium-batch, mass production)
Lead time, packaging, & compliance needs (RoHS, REACH, ISO, FDA, AS9100)
✅ Our Action: We conduct a rapid Design for Manufacturability (DFM) analysis, flagging thin-wall deformation risks, deep-hole drilling challenges, tight-tolerance features, and tool-access limitations. You receive a feasibility report with optimization suggestions before quoting.
[Upload Your 3D Model for Free DFM Review]
Non-standard parts require tailored engineering. We balance precision, cycle time, and cost through data-driven process design.
Drawing Standardization: Convert customer standards to ASME Y14.5, ISO 2768, or DIN/JIS as required.
⚙️ Machine Selection: 3-axis, 4-axis, 5-axis CNC milling, CNC turning, or mill-turn centers based on geometry complexity.
️ Tooling & Fixturing: Custom jigs, vacuum/hydraulic clamping, and optimized cutting tools (carbide, coated, diamond) for material-specific performance.
Parameter Engineering: Spindle speed, feed rate, depth of cut, and coolant strategy calibrated for dimensional stability.
Secondary Operations: Heat treatment, stress relief, tapping, reaming, and surface prep sequenced to prevent distortion.
All process plans are documented in a Master Route Sheet and require your written approval before machining begins.
Material traceability is non-negotiable for critical applications. We source from globally certified mills with full documentation.
Material Category | Common Grades | Certification Provided |
Aluminum | 6061-T6, 7075-T651, 2024-T3 | EN 10204 3.1 Mill Cert, RoHS/REACH |
Stainless Steel | 304, 316L, 17-4PH, 303 | AMS 5643/5659, Traceable Heat No. |
Titanium | Grade 2, Grade 5 (Ti-6Al-4V) | ASTM F136, Aerospace/medical grade |
Engineering Plastics | PEEK, POM, PEI, PA66, PTFE | UL 94, FDA/USP Class VI (on request) |
Blanks are precision-cut via band saw or waterjet, inspected for defects, and stress-relieved when required to prevent machining-induced warping.
Before mass production, we manufacture a First Article using production-grade tools, fixtures, and parameters to validate the entire workflow.
CMM & Metrology Validation: Critical dimensions, GD&T, surface finish, and hardness verified via coordinate measuring machines, optical projectors, and profilometers.
AS9102-Compliant FAI Report: Full dimensional mapping, balloon drawings, material certs, and process notes delivered for your sign-off.
Process Lock-Down: Once approved, CNC programs, tool offsets, and inspection criteria are frozen to ensure batch-to-batch consistency.
Validated processes scale seamlessly across our automated CNC fleet. Real-time monitoring ensures dimensional stability.
Multi-Axis Machining: Simultaneous 5-axis contouring, live-tool turning, and mill-turn operations for complex geometries.
In-Process Quality Control (IPQC): Technicians perform scheduled checks on critical features. SPC (Statistical Process Control) tracks tool wear and dimensional drift.
✂️ Secondary Machining: Deburring, edge-breaking, thread chasing, and surface blending performed to meet assembly-ready standards.
All production data is logged in our ERP for full traceability and audit readiness.
Surface treatments enhance function, corrosion resistance, and aesthetics. All finishes comply with international environmental regulations.
Metal Finishes: Anodizing (Type II/III), passivation, electroplating (Ni/Zn/Cr), powder coating, black oxide, sandblasting, brushing
Plastic Finishes: Precision polishing, vapor smoothing, laser engraving, silk-screen printing, anti-static coating
⚠️ Note: We pre-calculate dimensional compensation for coatings (e.g., anodizing adds 0.005–0.025mm) to maintain final tolerance compliance.
Every part undergoes strict final verification before release.
Inspection Strategy: 100% inspection for high-precision/low-volume orders; AQL-based statistical sampling for mass production.
Deliverable Documentation: Full dimensional report (COA), material certificates, FAI archive, process records, and compliance declarations (RoHS, REACH, DFARS, FDA as applicable).
Non-Conformance Handling: Defective parts are quarantined, root-cause analyzed, and reworked or remanufactured at no additional cost. Corrective actions are logged to prevent recurrence.
Precision CNC machining parts require secure, climate-controlled transit. Our packaging meets international logistics standards.
Protection: VCI anti-corrosion paper, ESD bags, moisture barriers, custom foam inserts, and ISPM 15-compliant wooden crates.
Global Logistics: DHL, FedEx, UPS, air freight, sea freight, and DDP door-to-door options. Full customs documentation provided: Commercial Invoice, Packing List, Certificate of Origin, HS code classification, and compliance declarations.
Tracking & Insurance: Real-time shipment monitoring with optional cargo insurance for high-value orders.
Our commitment extends beyond delivery. We engineer for your production lifecycle.
️ 24/7 Technical Support: Global engineering assistance for assembly, tolerance verification, or field performance issues.
Free Rework/Replacement: Quality issues covered under our warranty policy. Corrective actions implemented within 48 hours.
Priority Services for Repeat Clients: Volume discounts, expedited scheduling, VMI inventory programs, and continuous DFM optimization to reduce unit cost and lead time.
Standard prototypes ship in 3–5 business days, with 24–48 hour expedited routing available for urgent design validation. We use dedicated prototype cells, automated CAM programming, and priority DFM review to eliminate production queue delays. Real-time machining status is shared via our cloud tracking portal.
No. We apply transparent, volume-scaled pricing with minimal setup costs. Programming, toolpath generation, and fixture expenses are amortized across your order. Repeat batches reuse archived CAM files and calibrated offsets—reducing subsequent run costs by up to 30% with no hidden NRE markups.
Our agile workflow supports seamless iterations. Submit a revised STEP file, and our engineers run an automated version-control DFM check, update toolpaths, and confirm dimensional impacts within 4 hours. Only the latest approved revision enters machining, with full change logs maintained to prevent cross-batch errors.
Yes. We lock validated CNC programs, tool references, and inspection criteria in our digital MES archive. Each repeat batch uses the same fixture datums, calibrated tooling, and SPC-monitored processes. Critical dimensions are cross-verified against the original FAI baseline, ensuring batch-to-batch repeatability regardless of production gaps.
Absolutely. Prototypes are machined on the same 3/4/5-axis CNC centers, using production-grade materials and identical QC protocols (CMM, roughness, hardness testing). Whether it’s 1 piece or 1,000, every part meets your specified GD&T and ships with a full inspection report—so your validation data directly translates to production readiness.
We offer split-batch sampling within a single order. You can request parallel runs (e.g., 5 pcs in 6061-T6, 5 pcs in 7075, 5 pcs with hardcoat anodizing) to compare weight, strength, or corrosion resistance. Our DFM team provides performance trade-off data to help you finalize specs before scaling.
Yes. All rapid and low-volume projects are tracked through our cloud MES dashboard, where you can view live machining progress, upload revised files, download inspection reports, and message engineers directly. This eliminates email delays and keeps your development cycle moving at sprint speed.
We stand behind a 100% quality guarantee. Non-conforming parts are immediately quarantined, root-cause analyzed, and reworked or remanufactured at no additional cost. Our engineering team delivers a Corrective Action Report within 48 hours and implements preventive controls for future batches.
Global Compliance: ISO 9001, AS9100, IATF 16949 certified processes
GD&T Expertise: ASME Y14.5 / ISO GPS standards applied across all drawings
Traceability: Heat-number tracking, batch documentation, digital MES logs
Transparent Workflow: No hidden fees, FAI sign-off gates, real-time production visibility
[Request a Free DFM Analysis & Quote] | ericchen19872017@gmail.com | team-mfg.com
