Multi-Axis CNC Milling Centers

Our milling department operates an extensive fleet of vertical machining centers featuring both 3-axis and full 4th-axis rotary capabilities. This equipment portfolio enables us to machine complex parts with multiple angles, undercuts, and features that would require extensive fixturing or multiple setups on conventional equipment.

Primary CNC milling equipment includes multiple Haas vertical machining centers ranging from the VM-3 Mold Maker with 40" x 26" x 25" travel and 12,000 RPM spindle capability, to larger VF-4 and VF-5SS machines providing 50" x 26" x 25" working envelopes. Our YCM MV-106 machining centers feature through-spindle coolant delivery systems and 30-tool automatic tool changers for efficient processing of complex components.

Advanced milling capabilities include:

• Multi-axis programming and machining with full 4th axis rotary positioning
• High-speed spindle capabilities up to 12,000 RPM for precision surface finishes
• Through-spindle coolant systems for optimal chip evacuation and tool life
• Automatic tool changing systems with capacity up to 30 tools per setup
• Precision workholding systems including rotary tables and custom fixtures

Complex Geometry and Tight Tolerance Capability

We specialize in CNC milling applications that require sophisticated programming, precise toolpath generation, and meticulous attention to dimensional accuracy. Our programming team utilizes advanced CAD/CAM software, including SolidWorks/CAMWorks and AlphaCAM systems to generate optimized toolpaths for complex three-dimensional geometries.

Our milling processes consistently achieve dimensional tolerances to ±0.0001" on critical features, supported by comprehensive inspection protocols using coordinate measuring machines and precision measurement instruments. The temperature-controlled environment in our facility ensures dimensional stability throughout the machining process, eliminating thermal variations that could affect accuracy.

Typical complex milling applications include:

• Aerospace components requiring precise angular relationships and contoured surfaces
• Defense system housings with intricate internal features and tight tolerance requirements
• Industrial parts featuring complex pocket geometries and multiple machined surfaces
• Prototype components requiring rapid turnaround without compromising precision standards
• Production parts with features requiring 4th axis positioning and angular machining

Material Expertise and Application Experience

Our CNC milling capabilities encompass a comprehensive range of materials specified in precision manufacturing applications, from common aluminum alloys and stainless steels to exotic aerospace materials including titanium and inconel. We maintain extensive tooling inventories and cutting parameter databases optimized for each material type and application requirement.

We have developed particular expertise in milling operations for defense and aerospace applications, where material properties, surface finish requirements, and dimensional stability are critical to component performance. Our experience includes components for naval propulsion systems, aircraft assemblies, precision optical mounts, and industrial automation equipment.

Programming and Setup Expertise

Every CNC milling project benefits from our team's decades of combined programming and setup experience. We approach each component with careful analysis of design requirements, material considerations, and production objectives to develop optimal machining strategies that balance efficiency with quality requirements.

Our programming approach emphasizes toolpath optimization, proper speeds and feeds selection, and strategic workholding design to minimize setup time while maximizing dimensional accuracy. We maintain comprehensive tooling inventories and can recommend design modifications during the quoting process to optimize manufacturability and reduce production costs.

We work closely with customers during the development phase, providing design for manufacturability feedback and suggesting alternative approaches when beneficial. This collaborative approach often results in improved component performance, reduced manufacturing complexity, and more cost-effective production processes.



Whether your CNC milling requirements involve rapid prototype development or production manufacturing, Nortek Inc. combines advanced multi-axis capabilities with proven expertise to deliver precision components that meet your exact specifications. Our commitment to quality, on-time delivery, and customer support makes us the reliable choice for your most demanding milling applications.

office@nortekinc.net

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70 Doty Circle West Springfield, MA