Custom CNC Turned Mold Cores | Precision Tooling for Mineral Water Bottle Cap Molds

Product Overview

Customized CNC lathing core inserts are precision-machined mold tooling components designed for mineral water bottle cap injection molds. Manufactured under strict dimensional control, these core inserts ensure stable cavity geometry, consistent thread formation, and reliable demolding performance in high-cavity, high-cycle plastic molding applications.

Key Features & Technical Advantages

• Custom-made core inserts based on customer drawings

• CNC turning and precision machining process

• Stable dimensional accuracy and repeatability

• Suitable for multi-cavity bottle cap molds

• Optimized for high-speed, high-volume injection molding

• Compatible with various mold base and cavity structures

Applications & Industry Use

• Mineral water bottle cap injection molds

• Beverage and liquid packaging cap molds

• Multi-cavity plastic injection mold systems

• High-output packaging production lines

Mold Structure & Design Description

The core insert is a functional mold component responsible for internal geometry formation and thread accuracy of bottle caps. CNC lathing ensures precise concentricity and surface consistency, allowing smooth material flow and stable demolding. All geometries, tolerances, and interfaces are manufactured strictly according to approved drawings to ensure direct mold compatibility.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision operates advanced machining equipment to support high-precision mold components, including:

• CNC machining centers from MAKINO

• Precision CNC turning and milling machines from HARDINGE

• Precision grinding for critical diameters and fitting surfaces

Machining accuracy can reach ±0.002 mm, ensuring stable dimensional control across production batches.

Custom Development & OEM Cooperation Process

1. Receipt of 2D drawings or 3D CAD files

2. Engineering review and manufacturability assessment

3. Material and machining process confirmation

4. CNC turning and precision machining

5. Dimensional inspection and quality verification

6. Final approval and delivery

All projects follow a Built-to-Print / OEM manufacturing model.

Quality Control & Export Experience

• Incoming material inspection and traceability

• In-process dimensional checks

• Final inspection before shipment

• Consistent quality control for export mold components

• Long-term cooperation with international mold manufacturers

Inspection reports can be provided upon request.

Related Products

• Mold cavity inserts for bottle cap molds

• Thread core inserts for packaging molds

• Precision ejector pins and mold components

• Custom CNC-machined mold tooling parts

FAQ (Technical & Purchasing)

Q1: Are these core inserts standard parts?
A: No. All core inserts are custom-manufactured according to customer drawings.

Q2: Can these inserts be used in high-cavity molds?
A: Yes. They are designed for multi-cavity and high-output bottle cap molds.

Q3: What machining process is mainly used?
A: CNC lathing combined with precision machining and grinding where required.

Q4: Can Senlan Precision match existing mold components?
A: Yes. Inserts can be manufactured to match existing mold structures and tolerances.

Get a Quote

Please send your drawings or technical specifications to receive a professional evaluation and quotation for customized CNC lathing core inserts for bottle cap injection molds.