S136 Steel 28mm Preform Mould Parts | Precision Cavity & Core Inserts

Product Overview

S136 steel cavity and core inserts for 28 mm preform molds are precision plastic mold components designed for injection molding applications requiring corrosion resistance, dimensional stability, and consistent surface quality. Manufactured through CNC machining and controlled finishing processes, these inserts support stable mold performance in high-cycle production. All parts are custom produced strictly according to customer drawings and technical specifications.

Key Features & Technical Advantages

• Manufactured from S136 stainless mold steel for corrosion resistance

• Precision CNC machining for cavity and core insert geometry

• Stable dimensional accuracy for interchangeable spare parts

• Consistent surface quality suitable for preform molding requirements

• Reliable fit for multi-cavity preform mold systems

• Designed for long production cycles and repeatable performance

• Fully customized / OEM / Built-to-Print manufacturing

Applications & Industries

These S136 steel mold parts are widely used in:

• Injection molds for 28 mm preform systems

• Packaging cap and closure mold assemblies

• Bottle preform mold cavities and core inserts

• Medical packaging and related injection mold tooling

They are suitable for applications where corrosion resistance, precision, and spare-part interchangeability are required.

Mold Structure & Design Description

S136 cavity and core inserts are installed as functional forming components within preform injection molds.
Key design considerations include:

• Accurate cavity and core geometry to ensure correct preform dimensions

• Proper alignment between cavity and core inserts

• Surface finish control to support stable molding and demolding

• Compatibility with modular and multi-cavity preform mold designs

All inserts are designed and manufactured strictly according to customer drawings to ensure correct assembly and stable mold operation.

Manufacturing Capability & CNC Machining

Senlan Precision manufactures S136 preform mold inserts using advanced CNC machining and precision finishing technologies.
Our facilities are equipped with high-precision machining centers and CNC systems from MAKINO (Japan) and HARDINGE (USA), enabling:

• High-accuracy CNC milling and turning for cavity and core inserts

• Stable tolerance control for interchangeable spare parts

• Consistent surface finish across production batches

• Reliable repeatability for replacement and maintenance components

Machining routes are optimized based on geometry complexity and mold performance requirements.

Custom Manufacturing & OEM Cooperation

We specialize in custom manufacturing and OEM cooperation, supporting:

• Built-to-Print production from 2D drawings or 3D models

• Customized cavity and core insert dimensions for 28 mm preform molds

• Flexible material and process selection based on mold requirements

• Small-batch prototyping and volume production

• Long-term supply of replacement and spare mold components

Clear technical communication is maintained throughout the project to ensure accurate execution of specifications.

Quality Control & Export Experience

With over 20 years of experience in exporting precision mold components, Senlan Precision applies a structured quality control system:

• Incoming material inspection and traceability

• In-process dimensional inspection during CNC machining

• Surface quality and dimensional verification

• Final inspection prior to shipment with complete documentation

We are experienced in international technical communication, quality requirements, and export packaging standards.

Related Mold Components

• Preform mold cavity inserts

• Preform mold core inserts

• Precision mold sleeves and bushings

• Multi-cavity mold spare parts

All related products are available on a custom manufacturing basis.

Technical FAQ

Q1: Are S136 cavity and core inserts manufactured strictly according to drawings?
Yes. All inserts are produced strictly based on customer-provided drawings and technical specifications.

Q2: Why is S136 steel suitable for preform mold inserts?
S136 offers good corrosion resistance, uniform hardness, and stable mechanical properties, suitable for plastic preform molding environments.

Q3: Can these parts be supplied as replacement spare parts?
Yes. Interchangeable spare parts can be manufactured to match existing mold designs.

Q4: What tolerance levels can be achieved?
Precision tolerances suitable for preform mold applications can be achieved depending on geometry and requirements.

Request a Quotation

For pricing, lead time, or technical discussion regarding S136 steel 28 mm preform mold cavity and core insert spare parts, please provide your drawings or technical specifications.
Our engineering team will review your requirements and provide a professional quotation accordingly.