01 / 10 · Precision Casting Procurement

Precision Cast Parts with Functional Roughness and Visible Surface Requirements

Your working contacts and visible exterior can need different surface acceptance. Relia reviews cast components with those duties marked separately. Define geometry and roughness at sealing or mating regions, then agree an appearance reference for the body so the quote and sample address both tasks.

Flange contacts and the surrounding body can have separate surface duties.
Flange contacts and the surrounding body can have separate surface duties.
02 / 10 · Relia Casting · Qingdao, China

Each Surface Has a Different Job

Relia reviews the casting, specified machining and finishing around the surfaces your component uses. We separate the functional contacts from the surrounding visible body. This makes it possible to discuss a professional delivered appearance without substituting it for measured interface acceptance.

FunctionalFit, sealing and locating duties
VisibleAgreed appearance reference
SupplyDefined finishing and acceptance scope
03 / 10 · Precision Casting Procurement

A Surface-Duty Map Separates Functional and Visible Areas

Mark sealing faces, bores, locating pads and visible areas on the drawing. A flanged body, support or mounting plate can divide these duties differently. The map should show where the final geometry matters and where a consistent appearance reference is the relevant requirement.

A two-ended support has distinct bore, base and visible regions.
A two-ended support has distinct bore, base and visible regions.
04 / 10 · Precision Casting Procurement

Material and Treatment Define the Starting Surface Condition

Agree the actual material, delivered condition and any treatment included. Surface requirements need to suit that selected combination and the geometry. A catalogue finish option does not establish one accepted roughness or visual standard for every cast surface.

MaterialActual casting requirement
ConditionTreatment and delivery state
SurfaceRequirements suited to each region
05 / 10 · Precision Casting Procurement

Casting Cleanup Protects Regions with Final Requirements

The casting and cleanup plan should protect the regions that will carry the final requirements. Identify permitted feed contacts, blending and material removal before samples are made. Keep the stock needed at functional surfaces separate from general outside cleanup.

A flanged boss separates its internal contact from the outer appearance area.
A flanged boss separates its internal contact from the outer appearance area.
06 / 10 · Precision Casting Procurement

Functional Roughness Uses a Parameter, Location and Method

Specify the roughness parameter, location and measurement requirement for functional regions where it applies. A visually bright surface is not automatically a measured sealing finish. The acceptance plan should identify which region was checked and the supplied condition in which the result applies.

ParameterSpecified roughness requirement
LocationNamed functional region
MeasurementAgreed method and supplied state
07 / 10 · Precision Casting Procurement

Visible Surfaces Use an Agreed Appearance Reference

Use an agreed visual reference for the exposed body and define its evaluation conditions. Local texture, cleanup transitions and permitted marks should have a practical basis. That appearance approval remains distinct from dimensions and surface measurements on working contacts.

A circular mounting body combines a central bore with distributed pads.
A circular mounting body combines a central bore with distributed pads.
08 / 10 · Precision Casting Procurement

Acceptance Uses Both Records and Reference Samples

Check the sample in its final agreed condition. Connect dimensional and roughness records with the appearance decision and drawing revision. We can provide order-specific key dimensional results, while keeping any treatment or application evidence tied to its own applicable requirement.

GeometryDimensions and datums
SurfaceRequired measured finish
AppearanceSeparate reference and approval
09 / 10 · Precision Casting Procurement

The Quote Separates Surface Work from Functional Tests

Include the surface-duty map, required measurements, visual reference and quantities in one enquiry. Add treatment, sample approval and delivery protection for sensitive regions. The quote can then cover a finished part that is both understandable to inspect and suitable for the next assembly step.

MapFunctional and visible zones
AcceptanceMeasurements and appearance reference
DeliveryQuantity and surface protection
Related engineering and purchasing guidance
10 / 10 · Precision Casting Procurement

Send the Surface Zones and Acceptance References

Send the drawing with functional and visible regions marked. Add the roughness requirement, appearance reference, material and quantities. We can review finishing and sample acceptance without treating every surface as the same task.

DrawingSurface duties and contacts
ReferenceMeasured and visual requirements
OrderMaterial and quantities
Qingdao Reliacasting Co., Ltd.Qingdao office: No. 96 Shuyuan Road, Qingdao, Shandong, China