01 / 10 · Investment Casting

Custom Investment-Cast Stainless Hinges and Clamp Bodies

You can source stainless cast hinges or clamp bodies from Relia with their moving and mounting interfaces defined separately. We review the pivot geometry, pin or hardware scope and visible finish from your drawing. The sample checks the relationships needed for the intended mechanism, while load or cycle-life validation remains a specific requirement rather than an inference from polished appearance.

Hinge, clamp and latch forms have different movement and contact requirements.
Hinge, clamp and latch forms have different movement and contact requirements.
02 / 10 · Relia Casting · Qingdao, China

The Supplied Body and Companion Hardware Stay Separate

Relia treats the cast body, pivot and companion hardware as identifiable supply items. A hinge leaf's fixing face and pivot axis have different jobs, while a clamp body may add an opening or seating contact. We connect the specified machining and finish with those features so the order states what the assembled mechanism needs and what each supplied component includes.

First bodyMounting face and pivot contact
Pin or companion hardwareIncluded only as specified
Mating bodyAxis, axial clearance and fixing references

Individual dimensions, assembled movement and appearance approval have separate acceptance bases. Use the named companion parts for the sample check.

03 / 10 · Investment Casting

Pivot and Clamping Contacts Define the Functional Shape

Start with the working motion. A hinge depends on a pivot axis and clearance; a clamp depends on contact position and how the parts close. Mark those relationships on the assembly view so the manufacturing and inspection plan protects the movement your design needs.

A leaf hinge places its pivot next to the mounting-hole pattern.
A leaf hinge places its pivot next to the mounting-hole pattern.
04 / 10 · Investment Casting

Lost-Wax Forming Establishes the Body

Lost-wax forming establishes the body shape before cleanup and finishing. Slender arms, knuckles and visible faces influence where pattern features and feed contacts can be placed. We discuss those locations before tooling release so necessary cleanup is not left to alter a critical contact later.

PatternBody shape and slender features
Feed contactPermitted attachment location
CleanupProtected working and visible areas
05 / 10 · Investment Casting

Relate the Pivot Axis to the Mounting and Axial Contacts

Casting forms the leaf or clamp body, while specified machining establishes the pin bore, axial faces and fixing references that control movement. A correct bore diameter alone does not set the clearance between two leaves or align the pivot with the mounting face. Define the component limits and the assembled relationship separately.

Relia reviews the setup and sequence around those references. Later polishing or coating must preserve the pivot entrances, edges and fitting surfaces rather than round them indiscriminately. Agree which dimensions are checked on individual bodies and which fit or movement checks are performed on an assembly, with the pin and other hardware scope stated explicitly.

A circular strap clamp locates its working contact around a cylindrical part.
A circular strap clamp locates its working contact around a cylindrical part.
06 / 10 · Investment Casting

Finish Choices Preserve Fit and Appearance

Surface finishing should preserve the working fit. Divide visible faces, sliding or clamping contacts and protected bores on the drawing. An agreed visual sample helps communicate appearance, while measured dimensions and roughness address the surfaces that carry functional requirements.

VisibleAgreed appearance reference
WorkingFit, contact and roughness
ProtectedBores and locating surfaces
07 / 10 · Investment Casting

Material and Service Loads Have Their Own Requirements

Specify the material and delivered condition along with the service requirements. If the project needs load or cycle validation, define the assembly, conditions and acceptance method. A stainless casting photograph does not establish a safe working load or movement life for a complete mechanism.

A toggle-latch body connects a base contact with an over-centre mechanism.
A toggle-latch body connects a base contact with an over-centre mechanism.
08 / 10 · Investment Casting

Assembly Samples Test the Defined Movement

Check samples with the intended companion parts and a recorded revision. Keep dimensional results, appearance approval and movement feedback distinct so each has a clear acceptance basis. Buyer approval of the sample package then provides a practical reference for the repeat order.

MeasureCheck defined features
AssembleUse named companion parts
ApproveRecord the accepted revision
Detailed drawing and acceptance checklist
InterfaceInput to defineAcceptance focus
PivotAxis, bore or pin fit and engaged lengthAlignment, clearance and finished surface
MountingHole pattern and supporting facePosition and contact with the installation
Clamping contactMating size and intended working arrangementContact geometry and specified operating need
HardwareIncluded pins, screws, bushes or separate castingsContents and individual specifications
StageFocusResult
Pattern reviewLeaves, arms, local sections and accessCast body definition
CNC workRelate pivot and mounting contactsFinished-interface geometry
Surface finishingProtect fits and define visible zonesSpecified appearance and contact state
Assembly reviewCheck supplied members with agreed hardwareFit or operating evidence required by the project
09 / 10 · Investment Casting

Part Identity Carries into Repeat Orders

Part identity matters when similar castings form a pair or share an assembly. Keep drawing numbers, handedness, hardware quantities and packaging identification aligned. The reference products illustrate different hinge and clamp forms; they do not define a universal kit.

IdentifyBody and handedness
CountCompanion-item quantities
PackPrevent mixing and contact damage
Related engineering and purchasing guidance
10 / 10 · Investment Casting

Send Your Hardware and Mating-Part Details

Send the body and mating-part drawings, material requirement and quantity. Include an assembly view, motion clearance and any finish sample or validation requirement. We can then review the body, machining and hardware boundaries as one understandable enquiry.

AssemblyBody and companion drawings
FunctionMotion, contact and clearance
FinishAppearance and delivery needs
Qingdao Reliacasting Co., Ltd.Qingdao office: No. 96 Shuyuan Road, Qingdao, Shandong, China