Geometry and function
Mating faces, load paths, sealing areas, alignment features, wall sections, radii, draft, threads, and assembly clearances.
Local Service, Global Capabilities.
Local Service, Global Capabilities.
Engineering before production
Turn drawings, CAD models, or physical samples into a practical manufacturing route. AODSON reviews material, geometry, tolerances, tooling, machining, inspection, and cost before production begins.
Why DFM matters
A dimension can be technically possible and still be unnecessarily expensive, difficult to inspect, or unstable in repeat production. Our DFM engineering services connect product intent with the realities of casting, machining, finishing, and quality control.
The objective is not to simplify every part. It is to protect the features that control function while removing avoidable manufacturing risk.
Review scope
DFM is most valuable when design, process, inspection, and commercial requirements are reviewed together instead of being passed between separate suppliers.
Mating faces, load paths, sealing areas, alignment features, wall sections, radii, draft, threads, and assembly clearances.
Alloy selection, casting versus machining, raw material form, heat treatment, corrosion exposure, and expected production volume.
Critical-to-function dimensions, datum strategy, measurement access, first article requirements, certificates, and traceability.
Tooling complexity, machining setups, material removal, secondary operations, yield risk, packaging, and stable batch production.
How it works
Send a drawing, CAD model, sample photos, material, quantity, and application details.
We identify functional interfaces, critical characteristics, and missing technical information.
Engineering evaluates process feasibility, tolerances, tooling, machining, finishing, and inspection.
Recommendations and open points are agreed before quotation, tooling, or prototype work.
Prototype or first article results establish the approved basis for repeat production.
Process-specific checks
| Manufacturing route | Typical DFM review | Commercial objective |
|---|---|---|
| Investment casting | Wall consistency, fillets, hot spots, gating feasibility, ceramic shell access, as-cast tolerance, and machining allowance. | Improve fill and solidification behavior while protecting critical geometry. |
| CNC machining | Raw stock, datum structure, fixturing, tool reach, deep features, small radii, tolerance stack, setups, and inspection access. | Reduce machine time and setup risk without weakening function. |
| Fasteners and turned parts | Thread standard, engagement, underhead geometry, material condition, heat treatment, coating, corrosion risk, and verification method. | Match connection performance and service environment. |
| OEM metal components | Process combination, assembly interfaces, finish sequence, supplier responsibilities, sample approval, documentation, and packaging. | Create a repeatable route from prototype to stable supply. |
Engineering outcomes
A useful review gives purchasing and engineering teams a common technical basis for quotation, sampling, and production approval.
Fewer assumptions about materials, tolerances, finishes, inspection, and annual demand.
Critical concerns are identified before tooling, fixtures, or material commitments are made.
Inspection methods and approval criteria are aligned with functional requirements.
Typical review scenarios
Which surfaces should remain as-cast? Where are machining datums and allowances required? Are wall transitions, internal passages, and sealing faces suitable for reliable production?
Which tolerances control function? Can features be reached from fewer setups? Are deep pockets, small internal radii, and inspection requirements driving avoidable cost?
What must be reconstructed from the application? Which material and process are appropriate? How should the first article establish a controlled baseline for repeat orders?
What you receive
The exact output depends on project maturity. Early concepts may need process direction; released drawings may need focused risk clarification before quotation or sampling.
Frequently asked questions
The best time is before tooling or production approval, but DFM can also help when an existing part is too expensive, difficult to inspect, inconsistent between batches, or being transferred to a new supplier.
Send a 2D drawing and 3D model when available, together with material, quantity, application, critical features, finish, inspection, and delivery requirements. Photos and physical samples can support projects without complete drawings.
Yes. Many custom metal components use investment casting for near-net geometry and CNC machining for functional surfaces. Reviewing the two operations together helps define machining allowance, datums, fixturing, and realistic tolerances.
Not automatically. Recommendations should distinguish functional requirements from manufacturing preferences. Any design change remains subject to customer engineering approval.
Yes, subject to part condition and application information. A sample-based project may include measurement, material verification, CAD reconstruction, process selection, and first article validation.
Initial manufacturability review is normally part of preparing a practical quotation. Complex engineering, testing, scanning, or drawing reconstruction requirements are clarified separately before work begins.
Include the material, target quantity, application, critical tolerances, finish, and required delivery date. AODSON will review the practical manufacturing route and identify the information needed for quotation.
