01 / 10 · The surface before paint

Lost-Foam Surface Texture Before Housing Painting

Treat the bare casting, paint preparation and painted finish as three acceptance stages. Relia reviews lost-foam housings with the visible zones and protected contacts marked. Agree each required condition before coating, while the surface underneath can still be inspected.

Relia reviews visible areas, protected contacts and the selected coating route with your actual housing. Samples and references define the condition accepted at each stage.

Review your pre-paint surface

Unpainted grey U-shaped equipment body with curved outer wall and recessed side regions — The equipment-body geometry helps identify visible areas before a coating scope is agreed.

02 / 10 · Factory surface plan

A Surface Plan That Reaches the Painting Stage

Relia connects the casting surface, any machining and the agreed preparation for coating. Each stage needs a defined acceptance condition.

Bare casting

Texture, local conditions and cleanup requirements.

Prepared substrate

The surface condition required by the selected coating system.

Final finish

Specified appearance, coverage and other agreed acceptance.

Broad shallow plate with raised bosses, mounting ears and perimeter walls — Visible walls, mounting contacts and recessed regions can require different surface treatment.

03 / 10 · Drawing zones

Visible Areas and Functional Contacts

Mark the surfaces seen by the equipment user and those used for mounting, sealing or locating. Identify regions to be machined, masked or coated.

Keep a cosmetic surface requirement separate from a dimensional interface. This avoids using one appearance description for the whole component.

Review lost-foam component manufacturing scope

04 / 10 · Pattern and cast surface

Foam Texture and Cast Surface Appearance

The foam pattern and its coating belong in the process review where surface appearance matters. Agree the actual cast-surface reference for the selected material and geometry.

Pattern-related review

Identify visible zones, proposed pattern joints and relevant surface features.

Cast-surface acceptance

Use an approved reference or specified evaluation method for the delivered casting.

Use a real acceptance reference for the ordered component

Illustrations communicate geometry. Surface approval uses the agreed sample, specification and observation or measurement conditions for the actual supply.

Manufacturing detail

Paint Cannot Correct the Casting Surface Beneath It

Painted finishSpecified appearance, coverage and agreed coating acceptance.

Prepared substrateCondition required by the selected coating system, after relevant machining and cleanup.

Bare castingAgreed texture, pattern-joint witness and local surface condition before they are concealed.

Approve each applicable state against its own reference. Identify rework before later operations make the original condition harder to inspect.

Read the manufacturing explanation

A foam-derived texture, joint witness or local surface condition can remain visible or affect finishing after paint. Review the as-cast surface and the coating requirement as separate stages. Agree the relevant zones and reference before relying on a thick appearance coat to hide a condition that should be assessed on the blank.

05 / 10 · Local finishing

Local Cleanup and Defect Acceptance

Specify cleanup zones and protect thin edges, working contacts and required sections. Identify local discontinuity acceptance separately from the overall texture reference.

Agree the delivered result of each local operation. Painting should not be treated as a substitute for the required casting acceptance.

Windowed panel with raised edges, circular openings and perimeter fixing holes — Window edges and fixing regions need clear protection and cleanup boundaries.

06 / 10 · Process order

Machining Before Coating Preparation

Finish the required interfaces

Complete the agreed machining and local edge work.

Define protected zones

Mark contacts, threads and surfaces requiring masking.

Prepare for coating

Meet the selected coating system's substrate requirement.

Review any later operation that exposes metal or changes the specified final condition.

07 / 10 · Shared reference

A Reference for the Agreed Paint Preparation

State the preparation requirement and how it will be evaluated. Include the coating system, material, surface zones and relevant acceptance records.

Preparation scope

Selected cleaning or preparation operations and applicable condition.

Acceptance scope

Reference, method, coverage and any required documentation.

Plan the required inspection and acceptance evidence

Recessed circular cover with ribs and an angular side region — A recessed cover gives internal and external surface zones different access.

08 / 10 · Component references

Iron Plate and Housing Geometry References

Use the plate, curved body or housing form, then mark the actual visible areas and coating requirements on its drawing.

View iron plate casting enquiries View curved equipment-body enquiries View housing and cover forms

09 / 10 · Delivery agreement

Separate Casting and Coating Responsibilities

Casting acceptance

Agree texture, local conditions and finished geometry.

Coating acceptance

Specify preparation and the selected finish requirements.

Sample release

Approve the required evidence before production.

Relia performs agreed surface treatment in its own factory. The order defines the actual treatment and evidence for the component.

10 / 10 · Start the surface review

Send Surface References and Paint Requirements

Send Relia the drawing, material, quantities and coating system. Mark visible areas, protected interfaces and the references used to accept the casting and prepared surface.

Email the surface and paint brief

Review our manufacturing scope · Explore Relia Casting

Email: [email protected]
Phone: +86 185 6176 2631
WhatsApp: +1 404 203 0971
Company and address: Relia Casting
No. 96 Shuyuan Road
Qingdao, Shandong, China