Hardened Steel Mold Components | ±0.005mm Precision CNC for Cosmetic Closures

Product Overview

High hardenability precision CNC machined parts are critical components used in cosmetic packaging injection moulds where dimensional stability, wear resistance, and long service life are required. Senlan Precision manufactures custom mould parts using controlled heat-treatable materials and high-accuracy CNC machining processes. All components are produced strictly according to customer drawings to ensure reliable performance in high-cycle cosmetic packaging moulding applications.

Key Features & Advantages

• High hardenability materials suitable for heat treatment

• Stable hardness distribution for consistent mould performance

• Precision CNC machining for tight dimensional control

• Excellent wear resistance for long production cycles

• Suitable for complex cosmetic packaging mould geometries

• Consistent repeatability for multi-cavity mould systems

• Custom / OEM manufacturing under Built-to-Print requirements

Applications / Industry Use

• Cosmetic packaging injection moulds

• Bottle caps, closures, and decorative packaging moulds

• Multi-cavity mould systems for cosmetic containers

• Precision mould components requiring high surface stability

• High-volume plastic packaging mould tooling

Mould Structure & Design Description

In cosmetic packaging moulds, precision machined parts such as cores, inserts, and functional mould elements must maintain dimensional accuracy after heat treatment. High hardenability materials allow uniform hardness throughout the component, reducing deformation risk during long production runs. Senlan Precision manufactures these parts strictly according to customer designs, ensuring compatibility with existing mould structures and assembly systems.

Manufacturing Capability & CNC Machining

Senlan Precision is equipped with advanced CNC machining and finishing systems to meet demanding mould component requirements. High-precision machining centers are used to achieve stable tolerances and consistent surface quality.

Manufacturing capabilities include:

• High-precision CNC milling and turning

• Heat treatment coordination for controlled hardness

• Precision grinding and fine surface finishing

• EDM machining for complex geometries

• Full dimensional and geometric inspection

Key equipment includes Japanese MAKINO and American HARDINGE CNC machines for finishing-critical mould components.

Custom Development / OEM Cooperation Process

1. Customer provides technical drawings or 3D models

2. Engineering review of material, hardness, and tolerance requirements

3. CNC machining and heat treatment process planning

4. In-process inspection at critical stages

5. Final inspection and verification

6. Secure packaging and export shipment

All parts are produced under a Built-to-Print OEM / ODM cooperation model.

Quality Control & Export Experience

• Incoming material verification

• Process-based quality inspection

• Dimensional inspection using calibrated measuring equipment

• Final inspection before shipment

• Experience supplying mould components for international customers

Quality management follows standardized industrial manufacturing procedures to ensure consistency and traceability.

Related Products

• Precision mould cores and inserts

• Thread cores for cosmetic cap moulds

• Multi-cavity mould components

• CNC machined mould wear parts

• Custom injection mould tooling components

FAQ – Technical & Purchasing

Q1: Are these CNC machined parts standardized products?
No. All parts are custom manufactured strictly according to customer drawings and specifications.

Q2: What does “high hardenability” mean for mould parts?
It refers to the material’s ability to achieve uniform hardness after heat treatment, improving wear resistance and dimensional stability.

Q3: Can hardness levels be customized?
Yes. Hardness can be adjusted based on material selection and application requirements.

Q4: Do you provide mould design services?
No. Senlan Precision focuses on precision manufacturing under a Built-to-Print model.

Request a Quote

To receive a technical quotation, please provide drawings, material requirements, hardness specifications, and application details.
Our engineering team will review your request and respond accordingly.