SKD61 Precision Mold Parts Front Mold Inserts Core Sleeves For Plastic Molds

Product Overview

Senlan Precision manufactures SKD61 (H13 equivalent) front mold inserts and core sleeves for plastic injection molds requiring high thermal stability, wear resistance, and dimensional consistency. These components are produced strictly to customer drawings and are designed for long production cycles in multi-cavity and high-speed molding applications.

Key Features & Technical Advantages

• SKD61 hot-work tool steel with excellent thermal fatigue resistance

• Stable hardness and toughness after controlled heat treatment

• Precision CNC machining for tight tolerances and repeatability

• Suitable for high-cycle and multi-cavity plastic molds

• Optimized surface finish for reduced wear and consistent demolding

• Full custom / OEM / Built-to-Print manufacturing support

Application Scenarios / Industry Applications

• Plastic bottle and container injection molds

• Cap, closure, and packaging component molds

• Medical consumables and disposable molding tools

• High-precision plastic parts with strict dimensional control

• Front mold (A-side) insert and core sleeve assemblies

Mold Structure & Design Description

Front mold inserts and core sleeves are installed on the cavity side of injection molds and directly define the molded part geometry. SKD61 material provides resistance to thermal shock and deformation during repeated heating and cooling. All interfaces, tolerances, venting details, and surface requirements are manufactured according to customer-supplied drawings and mold design specifications.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision operates advanced precision machining equipment, including:

• MAKINO high-speed CNC machining centers (Japan)

• HARDINGE CNC turning and milling machines (USA)

• Precision grinding and polishing systems

• Controlled heat treatment and hardness verification

These capabilities ensure stable quality for complex mold inserts and core sleeves.

Custom Development / OEM Cooperation Process

1. Drawing and technical requirement review

2. Material and heat treatment confirmation

3. CNC machining, grinding, and finishing

4. Dimensional inspection and quality verification

5. Final approval, packaging, and shipment

All projects are handled under OEM / Built-to-Print cooperation.

Quality Control & Export Experience

• Incoming inspection of SKD61 tool steel

• In-process dimensional and surface quality checks

• Final inspection using precision measuring instruments

• Experience supplying mold components to international customers

• Export-standard packaging for corrosion and damage prevention

Related Products Recommendation

• SKD61 / H13 cavity inserts for injection molds

• Core pins and core sleeves for multi-cavity molds

• Mold plates and insert assemblies

• Precision machined mold spare parts

FAQ – Technical & Procurement

Q1: What hardness range is typically used for SKD61 inserts?
Hardness is defined according to application requirements after heat treatment, balancing wear resistance and toughness.

Q2: Are these components suitable for multi-cavity molds?
Yes. They are designed for stable performance in multi-cavity and high-cycle molds.

Q3: Do you support non-standard designs?
Yes. All parts are manufactured strictly according to customer drawings.

Q4: What tolerances can be achieved?
Tolerances depend on part geometry and are controlled through CNC machining and grinding processes.

Q5: Can prototype or small batch orders be accepted?
Yes. Prototype and low-volume production are supported.

Get a Quote

For pricing, lead time, or technical consultation on SKD61 front mold inserts and core sleeves for plastic injection molds, please contact Senlan Precision with your drawings or specifications. Our engineering team will provide a detailed evaluation and quotation.