Metal Machining

Precision Metal Machining to Meet Exact Customer Specifications

With over 200 on-site machining centers, MetalTek specializes in rough and finish machining to meet demanding customer specifications and minimize lead times. We machine components up to 200 in. (5 000 mm) outer diameter (O.D.) and up to 200,000 pounds (90 718 kg). Sandusky International can bore centrifugal castings up to 50 ft. (15 m) in length, a capability matched by few machine shops in the world.

MetalTek’s machining expertise extends beyond standard dimensions to complex shapes  and custom geometries requiring specialized tools and fixtures. Whether machining high-carbon alloys known for their hardness or ensuring precise tolerances on intricate components, we deliver superior results. MetalTek also prioritizes sustainability by reclaiming machine chips to reduce both material costs and waste.

MetalTek's use of state-of-the-art computer numerical control (CNC) technology offers:

  • Unmatched precision to achieve exact tolerances and repeatability

  • High-speed production on-site to limit lead times

  • Scalability to adapt to a range of production needs

  • Versatile material compatibility to machine a wide range of alloys and metals

If we somehow cannot meet a customer’s machining specifications, we rely on one of our trusted outside metal machining partners. Contact us to learn more about our machining capabilities and how they can contribute to the success of your project.

Centrifugal Casting Machining

Metal Machining Capabilities

  • Boring

    Enlarging existing holes with extreme precision, crucial for internal diameters.

  • Drilling

    Creating precise holes for various applications.

  • Honing

    Achieving extremely fine surface finishes and tight dimensional tolerances for internal bores.

  • Milling

    Using rotating multi-point cutters to shape a workpiece, ideal for flat surfaces, slots, and complex contours.

  • Oil grooving

    Creating channels for lubrication, essential for bearing surfaces.

  • Polishing

    Achieving highly reflective and smooth surface finishes.

  • Shrink fitting

    A technique for assembling components using thermal expansion and contraction.

  • Slitting

    Cutting thin, narrow grooves or separating material.

  • Slotting

    Creating narrow openings or slots in a workpiece.

  • Tapping

    Cutting internal threads in a hole.

  • Threading

    Creating external or internal screw threads.

  • Turning

    Rotating a workpiece against a cutting tool to create cylindrical shapes.

Metal Casting Machining

Meeting Exact Customer Specifications with Advanced Metal Machining

Metal machining is the precision art of removing unwanted metal from a casting or workpiece to achieve exact dimensions and superior surface finishes. With over 200 metal machining centers across our network, we are equipped to handle the most demanding customer requirements.

Unparalleled Large Part Machining Capabilities

Our capabilities extend to impressive dimensions, including outer diameters (O.D.) up to 200” (5000 mm) and weights up to 200,000 pounds (90 718 kg). A key differentiator is our ability to bore centrifugal castings up to 50’ (15 m) in length – a capability matched by only a handful of metal machine shops worldwide. Whether you require custom-machined parts for aerospace, defense, energy, or other critical industries, our network offers tailored solutions.

The MetalTek Metal Machining Process: Precision and Efficiency

Our process is meticulously focused on your specific project needs. We handle a wide range of dimensions, from standard configurations to unusual shapes like balls and spherical components, often requiring specialized tools and fixtures. We also prioritize sustainability by reclaiming machine chips, which allows us to recycle materials and offer competitive metal machining costs for the parts we cast. If a customer's unique machining specifications fall outside our direct capabilities, we leverage our trusted network of outside metal machining partners to ensure your project's success. Our team collaborates closely with every customer, ensuring efficient project management, cost-effectiveness, and adherence to the highest standards.

Precision Through State-of-the-Art CNC Machining

At MetalTek's Wisconsin Centrifugal and Sandusky International facilities, all machining is performed using advanced Computer Numerical Control (CNC) technology. CNC machining utilizes computer programs to automate and precisely control machine movements, offering numerous benefits:

  • Unmatched Precision: Achieving extremely tight tolerances for critical components.
  • Enhanced Speed: Rapid and efficient material removal.
  • High Production Rates: Consistent output for large volume orders.
  • Scalability: Adaptable to various production demands.
  • Material Versatility: Capability to machine a wide range of metals.

Comprehensive Support

Beyond machining, we offer expertise in:

Ready to Discuss Your Metal Machining Project?
Contact Our Experts for a Consultation

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