CUSTOM ALUMINUM COMPONENTS · CASTING · MACHINING · FINISHINGHave a drawing? Request a quote

CAPABILITIES / CNC machining

Bores, datums and sealing faces that fit the assembly.

Finish machining for aluminum castings and custom machined components. The focus is on bearing seats, flange faces, connector openings, mounting patterns and threaded interfaces.

Request a technical quotation ↗See the manufacturing steps ↓
Machining equipment with batches of metal components on pallets
Machining equipment and components arranged for handling on the production floor.

PROCESS SELECTION

Where this route makes sense.

Machining from stock can suit development or lower quantities; machining a casting can reduce stock removal in repeat production. Compare both routes using the actual geometry, material and quantity.

PROCESS-SPECIFIC DECISION

Plan the second setup before the first cut.

A cast blank rarely presents a perfect locating surface. Decide which cast features establish the first operation, then which machined datums locate the next. Support the component so clamping does not pull a thin flange flat only for it to move again when released.

On an end cap, bearing-bore size does not establish bore position relative to the mounting pattern. Review the datum scheme, setup transfer and bore measurement separately. A bore gauge can confirm size while coordinate measurement evaluates the specified relationship.

MACHINING / WORKSTATIONS & HANDLING

Plan the setup and the next operation.

The drawing defines the finished geometry. Fixtures, workholding and the way parts move between operations determine how that geometry can be produced consistently.

Machining equipment, an operator and tooling cabinets on the production floor
Machine fronts, tooling cabinets and operator access in the machining area.

Operator access and setup

Machine fronts and tooling cabinets are arranged along the working aisle. For your part, the setup review should address clamping, tool access and the datum used at each operation.

Metal components on handling pallets beside machining equipment
Components staged beside the machining area.

Components between operations

Pallets provide handling space beside the equipment. Identify surfaces that need protection after machining, especially sealing lands, bearing seats and cosmetic faces.

CASTING TO MACHINED PART

The surfaces that make the assembly work.

Machining scope follows the drawing. These are common features to review for aluminum housings, pump components and connection parts.

Actual aluminum pump component from the manufacturing portfolio
Pump component from the manufacturing portfolio. Inspection requirements are defined for each drawing.
See inspection methods ↗
01

Bearing bores

Review bore size, roundness and its relationship to the mounting datum. A diameter measurement alone does not establish alignment.

02

Mounting and sealing faces

Plan the clamping sequence to limit distortion. Specify flatness and surface finish where they affect assembly or sealing.

03

Threads and ports

Confirm thread standard, depth and sealing form. Select suitable gauges; a thread that accepts a fastener is not necessarily a verified sealing connection.

04

Deburring and cleaning

Identify edges and internal passages where chips can remain. Agree edge condition and cleanliness requirements for the finished component.

Have a drawing or an existing part? Send what you have. We can review the remaining specifications with you.

Discuss your part ↗

FROM DRAWING TO FINISHED PART

The manufacturing sequence.

01

Locate the blank

Choose repeatable support and clamping points. Check that casting variation leaves sufficient material at every machined feature.

02

Establish reference faces

Machine the planned datums and locate subsequent features from them. Avoid treating unrelated setups as though they automatically share the same reference.

03

Machine functional features

Mill faces and pockets; drill, bore or ream holes as appropriate; produce threads to the drawing. Sequence related features to control their relationship.

04

Deburr & clean

Remove burrs at cross-holes, thread entries and edge breaks. Remove chips and residues from blind holes and internal cavities.

05

Check in final condition

Measure critical sizes and geometric controls after the relevant operations. Account for finishing or masking before accepting a fit.

WHAT NEEDS CONTROL

Functional requirements and how to check them.

The drawing and order define the applicable controls; inspection methods are selected for the requirement rather than applied indiscriminately.

Feature / riskProduction considerationVerification method
Bearing fitControl bore size and the specified form and datum relationship.Suitable bore measurement; CMM for defined geometric relationships.
Flange or gasket faceManage clamping distortion and tool marks; identify required flatness and texture.Flatness evaluation and surface-texture measurement where specified.
Hole-pattern positionReference the specified datums; review fixture and setup repeatability.CMM or a suitable approved functional fixture.
Thread acceptanceDefine thread standard, class, useful depth and coating condition.Specified GO/NO-GO thread gauge and depth check.
Explore the inspection methods and records →
Machining equipment, an operator and tooling cabinets on the production floor
Machine fronts, tooling cabinets and operator access in the machining area.

DETAILS THAT CHANGE THE QUOTATION

Drawing and model

A 3D model establishes geometry; the controlled drawing establishes tolerances, datums, threads, finish and acceptance notes.

Surface texture

Specify required texture on functional faces instead of requesting a uniform fine finish everywhere. Measurement direction and cutoff matter when texture is controlled.

Assembly clearance

Include counterbores, fastener access and mating-part clearances. A dimensionally correct part can still be difficult to assemble.

SAMPLE & PRODUCTION PACKAGE

Agree the sample evidence and production records.

Machining scope, critical-characteristic list, dimensional report requirements and cleaning or packaging instructions.

Start with the information available

Sketches, photographs and incomplete drawings are welcome. These details help develop the quotation as the review progresses.

  • Controlled 2D drawing and available 3D model.
  • Alloy standard, grade and required condition.
  • Sample quantity, production quantities and repeat demand.
  • Critical features, finish and required inspection records.
Discuss your part ↗
VELNOCAST / CONTACT

Send Your Inquiry

Tell us what you need. Drawings or photos are welcome, but not required.

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