01 / 10 · Sand Casting

Ductile Iron Sand-Cast Brackets and Machined Support Bases

Relia supplies drawing-based ductile-iron brackets and support bases with the cast body and machined contacts reviewed together. We connect the selected grade, ribs and bore stock with the mounting datum. Sample checks use the agreed free or supported condition, while load or fatigue validation remains a separate design requirement.

A two-lug support relates its bore positions to a common base.
A two-lug support relates its bore positions to a common base.
02 / 10 · Relia Casting · Qingdao, China

The Support Role Defines the Manufacturing Brief

Relia connects the support's cast sections with its final mounting function. We distinguish the support body from any pins, inserts or companion feet, then review the local metal reserved for bores and contact pads. The proposal and dimensional checks follow the actual assembly references, so a heavy appearance does not substitute for a defined component requirement.

BodySupport and cast structure
ContactsMachined locations and fits
CompanionsNamed pins or mating parts
03 / 10 · Sand Casting

Bores, Ribs and Mounting Faces Define Each Support

Brackets, pivot blocks and support bases use different combinations of bores, ribs and mounting faces. Show the adjacent assembly so we can distinguish locating contacts from clearance features. That functional view helps prioritize the geometry that needs controlled machining and measurement.

A perforated circular component has several distributed mounting regions.
A perforated circular component has several distributed mounting regions.
04 / 10 · Sand Casting

The Ordered Grade and Condition Follow the Actual Duty

Choose the actual ductile iron specification and required condition for the order. GGG40, GGG45 and GGG50 enquiry options are not interchangeable approvals for a photographed part. Include any required material or mechanical-property evidence and the conditions under which it must apply.

StandardSelected ductile iron grade
ConditionTreatment and delivered state
EvidenceSpecified material requirements
05 / 10 · Sand Casting

Reserve Local Stock Without Losing the Support Geometry

The pattern and any cores establish the support's ribs, openings and main body. A thick mounting boss beside a thinner rib needs a workable transition and feeding review; adding extra metal everywhere does not resolve that local question. At the same time, the blank must retain stock at the pads and bore locations that machining will establish.

Relia considers how the support will sit in the first fixture before finalizing the blank. Machine the relevant contacts from the agreed datum plan and check the part in the defined free or supported state. That prevents a clamped shape from being accepted as though it represented the component your assembly receives.

Pedestal-mounted bodies illustrate alternative bore-to-base relationships.
Pedestal-mounted bodies illustrate alternative bore-to-base relationships.
06 / 10 · Sand Casting

Mounting Bores and Base Faces Establish the Fit

Define the mounting datum and relate bores, contact pads and hole patterns to it. State whether the support is measured freely or under an agreed support condition. This avoids comparing measurements taken from different references or hiding a fit problem behind an isolated correct diameter.

One assembly referenceEstablish the mounting contacts, then relate the bore, pads and fixing pattern to that datum.
Free-state checkUse when the drawing accepts the component after fixture release.
Agreed supported-state checkDefine the supports and conditions when they form part of acceptance.

Agree the applicable state before comparing results. A clamped shape and a released support are not automatically the same geometric reference.

07 / 10 · Sand Casting

Cleanup and Treatment Protect Finished Contacts

Local cleanup and any treatment should protect the final contacts. Mark the areas that may remain as cast, the surfaces that require machining and the edges that need controlled finishing. If coating is included, review its relationship to final size and contact protection before the sequence is fixed.

A ribbed conical support connects an upper contact with a broad mounting flange.
A ribbed conical support connects an upper contact with a broad mounting flange.
08 / 10 · Sand Casting

A Sample Connects the Part to the Equipment

A sample should confirm the selected material evidence and the features that locate the support in your assembly. We can provide agreed dimensional records and retain the approved drawing revision in the order. Application load or fatigue validation remains a separately specified requirement with its own acceptance basis.

MaterialOrder-specific evidence
DimensionsAssembly-critical features
ValidationSeparate application requirements
Detailed drawing and acceptance checklist
Control areaRequirement to defineRelevant evidence
MaterialDuctile-iron specification and delivered conditionAgreed chemistry or mechanical-property record
Loaded junctionWall transition, rib or lug geometryCasting layout and required examination zones
Mounting interfaceBore, seat and hole relationshipsDimensional results from functional datums
Repeat identityPart number, revision and batch referenceApproval and delivery traceability
StepFocusAgreed output
Casting reviewSections, feeding and useful machining stockDefined blank route
Material acceptanceSpecified grade and applicable test basisMaterial evidence for the agreed lot
Contact finishingMachine loaded seats and mounting featuresFinished dimensional reference
Repeat releaseCheck revision and required batch recordsIdentifiable accepted delivery
09 / 10 · Sand Casting

The RFQ Defines Quantities, Tooling and Supplied Condition

State sample and repeat quantities, tooling scope, finished condition and required identification in the RFQ. Include the mating-part or assembly reference where it explains a critical contact. This gives the quote a defined component scope rather than an open-ended promise to meet every machine requirement.

ToolingOwnership and sample scope
RepeatQuantity and finished condition
IdentityRevision and part marking
Related engineering and purchasing guidance
10 / 10 · Sand Casting

Send the Support Drawing and Service Requirements

Send the support drawing, selected ductile iron standard and quantities. Mark mounting datums, bores, loading contacts and any material or validation requirements. We can review a casting-and-machining package around those functional features.

GeometrySupport and assembly drawing
MaterialApproved ductile iron standard
FunctionDatums, loads and acceptance
Qingdao Reliacasting Co., Ltd.Qingdao office: No. 96 Shuyuan Road, Qingdao, Shandong, China