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Product Overview
Hardware brackets and structural mounting components often combine multiple functional features within a relatively compact part.
This component incorporates mounting holes, raised bosses, reinforcing ribs and several functional connection features into a single casting. Silica sol investment casting is well suited for producing this type of geometry because it allows complicated shapes to be formed with good dimensional consistency and surface quality.
Where tighter tolerances are required, mounting holes and critical interfaces can be CNC machined after casting.
Multiple bosses, ribs and mounting features can be formed as one component, helping reduce welding or separate assembly operations.
Investment casting provides good design freedom for recessed areas, ribs, curved profiles and functional projections.
Cast ribs and local wall-thickness transitions can be incorporated to improve rigidity around load-bearing and mounting areas.
Mounting holes, locating surfaces and other precision interfaces can be CNC machined according to drawing requirements.
Silica sol investment casting provides a cleaner and more consistent cast surface than many conventional casting processes.
Dimensions, materials, machining requirements and surface treatments can all be produced according to customer drawings.
Manufacturing Process | Silica Sol Investment Casting |
Material Options | Stainless Steel, Carbon Steel, Alloy Steel |
Typical Stainless Steel | 304 / 316 / 17-4PH or equivalent grades |
Secondary Processing | CNC Machining, Drilling, Grinding |
Surface Treatment | Bead Blasting, Polishing, Passivation or Custom Finish |
Heat Treatment | Available according to material requirements |
Dimensional Inspection | Calipers, Height Gauge, CMM, 3D Scanning |
Material Verification | Spectrometer / Chemical Composition Inspection |
Production Type | Custom OEM Manufacturing |
Drawing Formats | STEP, STP, IGS, X_T, DWG, PDF |
Why Investment Casting for This Part?
This component contains several features that would be relatively inefficient to manufacture entirely from solid material.
With investment casting, features such as:
reinforcing ribs
mounting bosses
recessed cavities
curved external profiles
connection projections
local structural transitions
can be incorporated directly into the casting.
Only critical dimensions or functional surfaces need secondary machining, helping achieve a practical balance between manufacturing cost, dimensional accuracy and structural performance.
Casting & Machining Features
The main geometry is produced through precision investment casting, reducing unnecessary material removal compared with full CNC machining from billet.
Mounting holes and locating features can be machined after casting when tighter dimensional or positional tolerances are required.
Reinforcing ribs and mounting bosses are designed directly into the casting rather than being added through separate welding or assembly processes.
Before tooling production, our engineering team reviews wall thickness, fillets, machining allowance, draft conditions and other casting-related details to improve manufacturability.
Depending on the required strength, corrosion resistance and service environment, this type of hardware component can be manufactured from different steel grades.
Suitable for applications requiring corrosion resistance, appearance and long-term durability.
Typical options include:
304 / CF8
General-purpose corrosion-resistant stainless steel.
316 / CF8M
Suitable for more demanding environments where improved corrosion resistance is required.
17-4PH
Suitable for components requiring higher strength together with corrosion resistance.
Carbon steel and alloy steel can also be considered where mechanical strength, wear resistance or cost is the primary consideration.
Material selection should ultimately be based on the customer's drawing and actual working conditions.
Similar investment cast brackets and hardware components can be used in:
Architectural hardware
Door and access systems
Industrial enclosures
Mechanical mounting assemblies
Structural hardware systems
Equipment brackets
Locking and connection mechanisms
Transportation hardware
Custom mechanical assemblies
We manufacture according to customer drawings rather than limiting production to a specific standard component.
Production Process
Drawing Review → Tooling → Wax Injection → Wax Assembly → Ceramic Shell Building → Dewaxing → Casting → Shell Removal → Cutting & Grinding → Heat Treatment → CNC Machining → Surface Finishing → Inspection → Packing
For components with complex ribs, bosses or mounting structures, manufacturability is reviewed before tooling to help identify potential casting or machining risks.
Quality Control
Quality inspection can be performed throughout both casting and machining stages.
Chemical composition can be checked using spectrometer testing to confirm the specified material grade.
Critical dimensions, mounting-hole positions and functional interfaces can be inspected using conventional gauges, CMM or 3D scanning where required.
Casting surfaces are inspected for obvious defects, incomplete filling and other appearance-related issues.
Critical machined features can be inspected after CNC machining according to drawing tolerances.
FAI, dimensional inspection records and material reports can be provided according to project requirements.
Zeren supports customers from initial drawing review through casting, machining, surface finishing and final inspection.
For hardware components with integrated ribs, bosses, mounting holes and complex functional geometry, our engineers can review the design before tooling and recommend practical adjustments where necessary.
Send us your 2D drawing or 3D model for a manufacturing review and quotation.
