5-Axis CNC Machining for Complex Custom Parts
FIWOK provides build-to-print 5-axis CNC machining for parts with multi-face features, contoured surfaces, and challenging access requirements. Where part geometry and process requirements allow, multi-axis machining may reduce repositioning, help maintain feature relationships, and support a more streamlined manufacturing approach.
Multi-Axis Machining Approaches for Complex Parts
Different multi-axis machining approaches can be reviewed based on part geometry, feature access, tolerances, material, and production requirements. Simultaneous 5-axis milling, 3+2 positional machining, and turn-milling may be selected to support an appropriate manufacturing approach.
Simultaneous 5-Axis Milling
Supports machining of parts with complex contoured surfaces, multi-face features, and challenging tool-access requirements. Simultaneous motion across multiple axes may be considered when the part geometry and machining strategy require continuous tool orientation.
Simultaneous Motion Contoured Surfaces
3+2 Positional Machining
Uses rotary axes to position the workpiece at selected angles before machining. This approach can support access to multiple faces, angled features, and selected deep-pocket geometries for suitable prismatic parts.
Prismatic Parts Angled Features
Turn-Mill Operations for Cylindrical Parts
Combines turning and live-tool milling for selected cylindrical parts with off-axis features, cross holes, flats, or keyways. Depending on the part design and process plan, turn-milling may consolidate operations and reduce part handling.
Cylindrical Parts Live ToolingPotential Benefits of Multi-Axis Machining
For suitable parts, multi-axis machining may reduce repositioning, improve access to complex features, and support more consistent feature relationships. The appropriate manufacturing approach is reviewed based on part geometry, tolerances, material, and production requirements.
Complex Feature Access
Multi-axis machining can support access to contoured surfaces, angled features, and selected complex geometries that may be difficult to reach with standard three-axis machining. Suitability depends on part geometry, tool access, and machining requirements.
Potential Setup Reduction
For suitable parts, multi-axis machining may reduce the number of workpiece repositions required to access multiple faces or angled features. The achievable setup strategy is reviewed during engineering and quotation assessment.
Feature Relationship Control
Machining related features within fewer setups can help maintain positional relationships between selected surfaces, holes, and profiles. Final dimensional results depend on approved tolerances, fixturing, and inspection requirements.
Surface Finish Considerations
Multi-axis tool orientation can improve cutter access and support suitable tool engagement on selected surfaces. Achievable surface finish depends on material, geometry, tooling, machining parameters, and specified finish requirements.
Quality Verification Activities
Quality verification activities are planned according to the part requirements, agreed inspection scope, and applicable documentation needs. Material review, in-process checks, and final inspection may be performed as required by the project.
Material Review
Incoming material information is reviewed against project requirements and available supplier documentation, including MTRs when requested.
Initial-Run Review
First-article or initial-run checks may be performed according to the agreed inspection scope and project requirements.
In-Process Verification
Selected dimensions and process checkpoints may be reviewed during production according to the inspection plan.
Final Inspection
Final checks and requested documentation are completed according to agreed drawing, inspection, and order requirements.
Materials Commonly Reviewed for 5-Axis Machining
We review a range of metal and engineering-plastic options for 5-axis machining. Material selection and availability are confirmed based on part geometry, performance requirements, sourcing, and production needs. Material documentation, including MTRs for applicable metal materials, may be available when requested during quotation.
Common Metal Options
- Aluminum Alloys (6061-T6, 7075-T651)
- Stainless Steels (303, 304L, 316L, 17-4 PH)
- Carbon & Alloy Steels (1018, 4140, P20)
- Titanium Alloys (Grade 5 / Ti-6Al-4V)
- Nickel Alloys (Inconel 625, Inconel 718)
- Copper Alloys (C110 Copper, C360 Brass)
- Other materials reviewed on request
Common Engineering Plastic Options
- PEEK
- Acetal (POM), including Delrin® grades where specified
- PEI, including ULTEM™ grades where specified
- Nylon (PA 6/6)
- Polycarbonate (PC)
- PTFE
- ABS
- Other materials reviewed on request
Surface Treatment and Finishing Options
Finishing options can be reviewed based on the material, cosmetic requirements, corrosion environment, wear conditions, and dimensional requirements of your part. Applicable processes, specifications, colors, masking needs, and documentation are confirmed during quotation and engineering review. View More.
Anodizing (Type II & III)
For applicable aluminum parts. Type II supports cosmetic and corrosion-resistance requirements, while Type III hardcoat may be selected for increased wear resistance.
Bead Blasting
Creates a uniform matte texture and may reduce the visibility of machining marks. Critical features can be reviewed for masking where required.
Stainless Steel Passivation
A chemical treatment for applicable stainless-steel parts that removes free iron and surface contaminants after machining.
Powder Coating
Applies a colored polymer coating for cosmetic appearance and additional environmental protection. Color, thickness, and masking requirements are reviewed by project.
5-Axis Machining FAQs
How do you review tolerance risk on complex 5-axis parts?
Tolerance requirements are reviewed feature by feature rather than applied uniformly across the entire part. Feasibility and acceptance criteria are assessed based on geometry, material, machining strategy, and inspection requirements.
Are material certificates and documentation automatically included?
Material certificates and quality documentation may be available when requested and confirmed in the quotation scope. If you require MTRs, CoCs, inspection reports, or other records, please include them in your RFQ.
What’s the difference between 3+2 and simultaneous 5-axis machining?
3+2 machining positions the part at a fixed angle before cutting selected features. Simultaneous 5-axis machining moves multiple axes continuously during cutting and may be used for parts with complex contours or changing tool-access requirements.
Is 5-axis machining always more expensive?
Not necessarily. Multi-axis machining may involve different programming, machine-time, and fixturing requirements, but it can also reduce repositioning or secondary setups for suitable parts. The appropriate approach is reviewed based on the part and production requirements.
Do you provide Design for Manufacturability (DFM) feedback?
DFM feedback can be provided during quotation or engineering review. Depending on the project scope, we may review feature feasibility, tool access, tolerance considerations, and factors that could affect manufacturability or cost.
What is the typical lead time for a 5-axis prototype?
Lead time depends on part complexity, material availability, quantity, finishing requirements, and current production capacity. Please provide the 3D model, drawing revision, quantity, and target delivery date for schedule review.
How do you handle design confidentiality and IP?
Customer drawings, CAD files, and project information are treated as confidential and used for quotation, engineering review, and manufacturing purposes. We can review a mutually acceptable NDA before detailed technical information is exchanged, when required.
What inspection documentation can be provided?
Inspection documentation can be discussed according to project requirements and the agreed verification scope. If you require a first-article report, CMM data, material records, or another format, please specify it in the RFQ for quotation review.
Submit Your 5-Axis RFQ
Send your available files and project details for quotation review. We will assess the part requirements, identify any open questions, and clarify the information needed to prepare your quote. If the design is still developing, include the current revision and identify any areas where manufacturability feedback is needed.
Send your RFQ to: sales@fiwokmachining.com
Recommended RFQ Information
- 3D CAD model, when available, and the current 2D PDF drawing.
- Material grade, quantity, finish requirements, and requested documentation.
- Prototype quantity or anticipated production volume.
- Critical dimensions, tolerances, cosmetic surfaces, and assembly requirements.
- Hardware, secondary processes, packaging, and delivery requirements, where applicable.