Stavax Mold Inserts for Bottle Caps | Precision EDM Machined Components

Product Overview

Senlan Precision supplies Stavax core insert mould parts manufactured by EDM (spark discharge machining) for injection moulds used in plastic bottle cap production. Built strictly to customer drawings (Built-to-Print), these inserts provide controlled geometry, stable dimensions, and corrosion resistance required for high-cycle packaging moulds.

Key Features & Advantages

• Material: Stavax ESR stainless mould steel (as specified by drawing)

• Process capability: EDM / spark discharge machining for complex internal profiles

• Dimensional stability: Suitable for tight tolerances and repeatable cavity alignment

• Corrosion resistance: Appropriate for moisture- or alcohol-related moulding environments

• OEM manufacturing: Fully customized dimensions, tolerances, and surface condition

• Consistency: Stable quality for multi-cavity and long production runs

Applications / Industry Use

• Plastic bottle cap injection moulds

• Packaging moulds requiring corrosion-resistant core inserts

• High-cavity cap moulds with complex internal geometries

• Packaging-related mould components with frequent cleaning cycles

Mold Structure & Design Description

Stavax core inserts form critical internal features of the mould cavity, directly influencing thread definition, sealing geometry, and part consistency. EDM processing enables precise formation of sharp corners, deep ribs, or complex shapes that are difficult to achieve by conventional cutting. Insert interfaces, fitting tolerances, and venting details are manufactured strictly according to customer drawings to ensure reliable mould assembly.

Manufacturing Capability & CNC Machining

• Equipment: High-precision machining centers from MAKINO (Japan) and HARDINGE (USA)

• Processes: CNC milling, CNC turning, EDM (spark discharge), grinding, polishing

• Accuracy control: In-process dimensional verification and final inspection

• Surface condition: As-machined, EDM finish, or post-polish per requirement

• Repeatability: Suitable for serial production and cavity matching

Custom Development / OEM Workflow

1. Drawing review – Material, tolerance, EDM areas, surface requirements

2. Process planning – Machining + EDM sequence definition

3. Precision manufacturing – CNC machining and controlled EDM processing

4. Inspection – Dimensional, visual, and fit verification

5. Delivery – Export-ready packaging and documentation

Quality Control & Export Experience

• Incoming material traceability

• EDM and CNC process inspection records

• Dimensional checks for critical fitting areas

• Final inspection before shipment

• Long-term export experience supporting international mould manufacturers

Related Products

• Stavax threaded core inserts

• Mold cavity inserts and core pins

• Corrosion-resistant mould wear parts

• Built-to-print injection mould spare components

FAQ (Technical & Purchasing)

Q1: Why use EDM for Stavax core inserts?
EDM allows precise machining of complex shapes, sharp corners, and deep features that are difficult to achieve with standard cutting tools.

Q2: Are these inserts standard parts?
No. All parts are OEM and manufactured strictly according to customer drawings.

Q3: Can surface polishing be added after EDM?
Yes. Polishing levels can be specified depending on part design and moulding requirements.

Q4: Are these suitable for multi-cavity moulds?
Yes. Dimensional consistency and cavity matching are controlled for multi-cavity applications.

Get a Quote

Submit your drawings, material specification, tolerance requirements, and quantity. Senlan Precision will review your project and provide a technical quotation for Stavax EDM core insert mould parts manufactured to your exact specifications.