S45C (AISI 1045) Precision CNC Milling Parts | Custom Plastic Mold Components

Product Overview

S45C precision CNC milling machined parts produced by Senlan Precision are widely used as structural and functional components in plastic injection molds. Manufactured strictly according to customer drawings, these parts provide balanced strength, machinability, and dimensional stability, making them suitable for medium-load mold applications and high-repeat production environments.

Key Features & Technical Advantages

• S45C Medium Carbon Steel Material
  Offers good mechanical strength, wear resistance, and stable performance after heat treatment.

• Precision CNC Milling Machining
  Ensures accurate geometries, consistent dimensions, and reliable repeatability.

• Cost-Effective Mold Component Solution
  Suitable for mold parts requiring strength and machinability without excessive alloy content.

• Stable Dimensional Control
  Maintains tight tolerances under continuous molding operation.

• Built-to-Print / OEM Manufacturing
  Fully customized based on customer drawings, tolerances, and technical specifications.

Applications & Industry Use

• Plastic Packaging Molds
  Structural and functional components for bottle caps, closures, and container molds.

• Medical Plastic Injection Molds
  Mold components used in medical consumables, housings, and disposable parts.

• Cosmetic Packaging Molds
  Precision machined parts for molds producing cosmetic containers and closures.

• Multi-Cavity Injection Molds
  Suitable for medium-load multi-cavity mold systems requiring consistent accuracy.

Mold Structure & Design Description

S45C CNC machined parts are commonly applied as mold inserts, support blocks, plates, and auxiliary structural components within injection molds.
Material selection allows reliable machining of complex geometries while maintaining sufficient strength. Proper heat treatment and machining strategies are used to control deformation and ensure long-term dimensional stability.

Manufacturing Capability & CNC Machining

• High-Precision CNC Milling

• Secondary Grinding for Critical Surfaces

• Drilling, Tapping, and Profile Machining

• Heat Treatment Available Upon Request

• Tolerance Capability: ±0.01 mm or as specified by drawing

• Surface Finishing: Machined, ground, or polished surfaces

All machining processes are internally controlled to ensure consistent quality.

Custom Development / OEM Cooperation Process

1. Drawing & Specification Review
   Engineering evaluation based on customer-provided 2D/3D drawings.

2. Material & Process Confirmation
   S45C grade, heat treatment condition, and machining method confirmed.

3. Precision CNC Machining
   Milling operations performed under controlled parameters.

4. Dimensional Inspection
   Inspection carried out according to drawing tolerances.

5. Packaging & Export Delivery
   Secure packaging with clear part identification for export.

Quality Control & Export Experience

• ISO 9001 Quality Management System

• Incoming Material Verification

• In-Process Quality Checks

• Final Inspection Reports Available

• Stable Export Supply for Global Mold Manufacturers

Each part is traceable from raw material to final inspection.

Related Products (Internal Links)

• Precision Mold Inserts

• CNC Machined Mold Plates

• Plastic Injection Mold Components

• EDM Machined Mold Parts

FAQ

Q1: Can S45C mold parts be customized to drawings?
Yes. All parts are produced strictly according to customer drawings and specifications.

Q2: Is heat treatment available for S45C parts?
Yes. Normalizing, quenching, or tempering can be applied based on requirements.

Q3: What tolerances can be achieved?
Typical tolerances are ±0.01 mm, with tighter tolerances achievable for specific features.

Q4: Are these parts suitable for multi-cavity molds?
Yes. They are commonly used in medium-load multi-cavity injection molds.

Q5: What drawing formats are accepted?
STEP, IGES, X_T, and PDF formats are accepted for quotation.

Request a Quote

For S45C precision CNC milling machined parts for plastic injection molds, please contact Senlan Precision with your drawings and technical requirements.
Our engineering team will provide a reliable, cost-effective OEM solution tailored to your mold application.