CNC Machining for Investment Cast Components | toway casting

Processes / toway casting

CNC Machining for Investment Cast Components

In-house CNC machining for investment-cast components. Coordinate critical fits, material condition and finishing from casting to the approved finished part.

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CNC spindle machining a metal component

Near-net-shape castings can still need machining where assembly fits, sealing faces or other critical dimensions demand a defined final condition. Treat the casting blank and the machined part as a connected manufacturing plan.

Why Combine Investment Casting with In-House CNC Machining

Drawing-defined dimensional tolerances

Machine critical features to the agreed drawing while distinguishing them from general as-cast geometry. Confirm tolerance feasibility feature by feature.

One coordinated technical scope

Discuss casting stock, fixturing, machining access and inspection together, reducing the handovers involved in separately specifying a blank and finished part.

Consistent quality-control requirements

Use the same drawing revision, material condition and acceptance plan across the route. Agree how changes are reviewed before production.

Parts prepared for final assembly

Define finished interfaces, cleaning, protection and documentation so the supplied condition matches what the next assembly step requires.

Our In-House CNC Machining Capabilities

Tolerance capabilities

No fixed numerical tolerance is applied to every material or feature. Send critical dimensions, datums and inspection requirements for a component-specific capability review.

Machining operations to specify

Review area What to define in the enquiry
Milling Faces, slots and profiles shown on the drawing.
Turning Rotational features and finished diameters.
Boring Final bore requirements and their reference features.
Drilling Hole patterns, depth and access.
Tapping Thread specification, depth and acceptance.

The exact operation mix, equipment and size limits are confirmed during drawing review.

Materials Suitable for Post-Casting CNC Finishing

Review stainless steels, carbon steels and specified alloy requirements. The material condition and manufacturing sequence affect the machining proposal.

Complete Project Workflow: Casting to CNC-Finished Parts

Drawing & DFM → Casting plan → Casting blank → CNC machining → Specified secondary processing → Final inspection

Additional Value-Added Secondary Services

In-house heat treatment and surface processing can be discussed with machining. Plating, painting, blasting, polishing and assembly are RFQ options to verify, not automatically included services.

Speak With Our Machining & Casting Engineer

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From a drawing to a manufacturing plan

Bring the requirements.
Let’s review the route.

Specify your material, quantities and critical features so casting, machining and secondary processing can be reviewed together.

  • Current drawing revision
  • Alloy, quantities & final condition
  • Inspection & delivery requirements

Prepare a casting enquiry ↗