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CNC PRECISION MACHINING

Aluminum CNC Machining

ONTOPS machines custom aluminum castings and extruded profiles for OEM/ODM projects, with production and inspection controlled against approved drawings and specifications.

Capabilities

Versatile CNC Capabilities

3–5 Axis CNC Milling

​Multi-Axis CNC Milling

Flexible 3-, 4-, and 5-axis milling handles complex contours, deep pockets, and intricate features in a single setup.

Up to 5 simultaneous axes

Combined Turn-Mill

Integrated CNC Turning

CNC lathes with milling capability reduce setup time for rotational parts, stepped shafts, and precision threads.

Turn-mill in one setup

Long-Profile CNC

Long-Profile Machining

Dedicated CNC equipment with extended X-axis travel mills, drills, and taps extruded aluminum profiles over 6 meters long.

Travel > 6,000 mm

One-Stop Integration

Integrated Manufacturing Solutions

CNC finishing follows die casting and profile extrusion in one integrated production facility.

CNC After Die Casting

Face milling of mating surfaces, bearing bore machining, and precision tapping for cast aluminum gearbox and heat-sink housings.

CNC After Extrusion

Precision cutting, pocketing, and slot milling on extruded profiles for automation frames and busbars.

Machining from Solid Stock

Machining aluminum plate and round stock (Al6061, Al7075) for prototypes or small batches requiring high mechanical strength.

QA / QC

Rigorous Quality Control

Inspection follows approved drawings, specifications and customer requirements.

3D Coordinate Measuring Machine (CMM)

Checks concentricity, flatness, roundness, and geometric tolerances in a temperature-controlled room.

Profile & Roughness Measurement

Digital Ra/Rz surface-roughness measurement and precise 2D/3D profile inspection.

Calibrated Inspection Gauges

Gauge blocks and pin gauges are calibrated regularly to ensure consistency across production batches.

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Automated measurements in a temperature-controlled room verify each part before export packing.

Industries Served

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Medical Equipment

  • X-ray machine components

  • Medical robotic arms

  • Diagnostic equipment housings

💾

Semiconductors & Electronics

  • Chip-handling jigs and fixtures

  • HDD/SSD enclosures

  • High-density heat sinks

🚗

Automotive & EV

  • EV battery mounting assemblies

  • Electric motor housings

  • Load-bearing suspension parts

✈️

Aerospace & Defense

  • UAV structural components

  • Satellite communications equipment

  • High-precision components

Request a Competitive Quote Today

Need CNC machining for aluminum castings or extruded profiles? Send your requirements for engineering review.

Please include drawings, material, quantities, surface finish, critical dimensions and inspection requirements.

ISO 9001 Certified

RoHS / SGS Compliant

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