Custom S136 / H13 CNC Machined Parts | ISO 9001 Certified Plastic Mold Components

Product Overview

Custom precision CNC machined turning parts are critical components used in plastic injection molds where dimensional accuracy, concentricity, and repeatability are required. Senlan Precision manufactures lathe-turned mold parts through CNC turning and secondary precision machining to ensure stable geometry and reliable performance. All components are produced strictly according to customer drawings and technical specifications for plastic mold applications.

Key Features & Technical Advantages

• Precision CNC lathe turning for round and stepped mold components

• Stable dimensional accuracy for functional mold interfaces

• Good concentricity and surface consistency

• Suitable for high-cycle and multi-cavity mold systems

• Flexible material selection based on mold requirements

• Reliable repeatability for replacement and spare parts

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

Applications & Industries

These CNC turning parts are widely used in:

• Injection molds for packaging caps and closures

• Mold systems for bottle caps and sealing components

• Medical packaging and syringe-related injection molds

• Precision plastic molds requiring turned functional parts

They are suitable for applications where accurate geometry, stable assembly, and long-term mold reliability are required.

Mold Structure & Design Description

CNC turned mold parts are typically applied as:

• Core pins and cylindrical inserts

• Mold sleeves and bushings

• Threaded or stepped functional components

Key design considerations include:

• Accurate diameters and length control

• Proper concentricity with mating mold components

• Smooth surface finish to support assembly and demolding

• Compatibility with modular and multi-cavity mold structures

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

Manufacturing Capability & CNC Machining

Senlan Precision manufactures CNC turning parts using advanced machining and finishing technologies.
Our workshop is equipped with high-precision CNC machining centers and lathe systems from MAKINO (Japan) and HARDINGE (USA), enabling:

• High-accuracy CNC turning for precision mold components

• Stable tolerance control across production batches

• Consistent surface finish for functional interfaces

• Reliable repeatability for customized and replacement parts

Machining routes are optimized based on part geometry, tolerance requirements, and mold function.

Custom Manufacturing & OEM Cooperation

We specialize in custom manufacturing and OEM cooperation, supporting:

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

• Customized dimensions, tolerances, and features

• Flexible material and process selection

• Small-batch prototyping and volume production

• Long-term supply of spare and replacement mold components

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 turning

• Final inspection prior to shipment

• Complete inspection records and technical documentation

We are familiar with international quality requirements and professional engineering communication.

Related Mold Components

• Precision mold core pins

• Mold cavity inserts

• Mold sleeves and bushings

• Multi-cavity mold spare parts

All related products are available on a custom manufacturing basis.

Technical FAQ

Q1: Are CNC turning parts manufactured strictly according to drawings?
Yes. All parts are produced strictly based on customer-provided drawings and technical specifications.

Q2: What types of turning geometries can be supported?
Straight, stepped, threaded, and customized cylindrical geometries can be supported.

Q3: What tolerance levels can be achieved?
Tolerances suitable for precision plastic mold applications can be achieved depending on part geometry and requirements.

Q4: Can these parts be supplied as replacement components for existing molds?
Yes. Replacement and interchangeable CNC turning parts can be manufactured to match existing mold designs.

Request a Quotation

For pricing, lead time, or technical discussion regarding custom precision CNC turning parts for plastic injection molds, please provide your drawings or technical specifications.
Our engineering team will review your requirements and provide a professional quotation accordingly.