420 Stainless Steel Mold Parts | Precision Cores for Labware Measuring Cups

Product Overview

Senlan Precision manufactures SUS420 precision mould parts specifically for laboratory measuring plastic cup injection molds. These components are produced under OEM / Built-to-Print requirements, focusing on dimensional stability, corrosion resistance, and surface integrity to support consistent molding quality in laboratory and medical-related plastic applications.

Key Features & Technical Advantages

• SUS420 martensitic stainless steel with good hardness and corrosion resistance

• Suitable for transparent and dimensional-sensitive plastic cup molds

• Stable performance under repeated injection cycles

• Precision machining for accurate cavity and core interfaces

• Controlled surface finish to ensure smooth plastic flow and easy demolding

• Fully customized manufacturing according to customer drawings

Application Scenarios / Industry Applications

• Laboratory measuring plastic cup injection molds

• Medical and laboratory plastic consumable molds

• Precision plastic containers requiring accurate volume geometry

• Multi-cavity molds for laboratory and healthcare plastic products

• Packaging molds with hygiene and material stability requirements

Mold Structure & Design Description

SUS420 precision mould parts are typically used as cavity inserts, core inserts, or functional mold components within laboratory plastic cup tooling. The material supports fine surface finishing and stable geometry, ensuring accurate volume markings and consistent wall thickness. Components are designed to integrate precisely with mold bases, sliders, or core plates according to customer mold structures.

Manufacturing Capability & CNC Machining Capacity

Senlan Precision operates a complete in-house precision manufacturing system:

• MAKINO high-precision CNC machining centers (Japan)

• HARDINGE CNC turning equipment (USA)

• Precision grinding and EDM processes

• Fine surface finishing and polishing

• Typical machining tolerance capability: ±0.003 mm to ±0.01 mm, depending on part structure

Custom Development / OEM Cooperation Process

1. Customer drawing and technical requirement review

2. Material confirmation (SUS420 or equivalent grade)

3. CNC machining, EDM, and precision finishing

4. Surface treatment or polishing as specified

5. Dimensional inspection and quality verification

6. Export-standard packing and shipment

All products are supplied strictly under OEM / Built-to-Print cooperation.

Quality Control & Export Experience

• Incoming raw material inspection with certification

• In-process dimensional checks during machining

• Final inspection before shipment

• Stable export experience supporting international mold makers and plastic manufacturers

Related Products Recommendation

• Mold cavity inserts for laboratory plastic products

• Core inserts and sleeves for medical molds

• Precision ejector pins and guide components

• Custom stainless steel mold spare parts

FAQ – Technical & Procurement

Q1: Why is SUS420 suitable for laboratory plastic cup molds?
SUS420 provides a balance of hardness, corrosion resistance, and polishability, making it suitable for laboratory-related plastic applications.

Q2: Can these mould parts be used in multi-cavity molds?
Yes. They are commonly used in multi-cavity molds requiring consistent dimensional accuracy.

Q3: Are these parts available in standard sizes?
No. All mould parts are custom-manufactured according to customer drawings.

Q4: What surface finishes are supported?
Fine machining, polishing, and drawing-specified finishes are supported.

Q5: Do you provide export-ready packaging?
Yes. All parts are packed to meet international logistics requirements.

Get a Quote

For SUS420 precision mould parts for laboratory measuring plastic cup injection molds, please contact Senlan Precision with your drawings or technical specifications. Our engineering team will provide a clear and reliable OEM manufacturing solution.