Dual-Material Vibration Component – Precision Injection Molding & Overmolding

plastic vibration component

Technical Specifications

Item	Specification
Material – Part A	Rigid PVC, black, 80 Shore hardness
Material – Part B	Soft PVC overmold, 85 Shore A
Molding Process	Dual-shot injection molding + overmolding
Finish	MT-11010 matte texture
Draft Requirements	Minimum draft applied to all vertical surfaces
CAD Compliance	Geometry derived from solid model provided by customer; all critical specs follow CAD dataset
Quality Requirements	No marks, blemishes, sink lines, or cosmetic imperfections
Packaging	Protective packaging required to prevent damage during transit

Application Scenarios

This vibration component is ideal for:

Door and gate safety systems

Automated machinery and moving equipment

Shock-absorbing interfaces for sensors

Mechanical vibration isolation

Industrial motion control systems

Equipment requiring rigid-flex overmolded structures

Its dual-hardness design makes it effective where both structure and cushioning must coexist in one part.

About Our Manufacturing Expertise

At Benma Electric Co., Ltd., we specialize in developing custom dual-material molds, overmold tooling, and high-precision injection-molded components designed for mechanical performance and durability.
Our factory is equipped with:

Dual-shot and overmold injection machines

Advanced CNC machining centers for mold cavity accuracy

Precision temperature-controlled molding systems

Robust QC and dimensional inspection aligned with CAD datasets

High-repeatability mold-flow optimization for rigid + flexible PVC

With decades of experience in OEM/ODM projects, we deliver complex multi-material plastic components for global automation, sensor, and equipment manufacturers.

Manufacturing Advantages

Professional Multi-Material Molding

Single-mold integration of rigid and flexible PVC materials ensures excellent bonding strength.

High Vibration Damping Performance

Soft PVC overmold absorbs impact and vibration for stable mechanical operation.

Accuracy Based on True 3D CAD Geometry

Production parts match the CAD model exactly, as required by the engineering documentation.

Tooling Designed for Durability

Hardened steel cavities, optimized gating, and stable cycle control ensure long mold life.

Stringent Surface Quality Control

No scratches, marks, or molding defects allowed based on engineering standards.

Company Profile

BMA

Founded in 1997, our factory spans nearly 6,000 ㎡ in Ningbo, very convenient access to Shanghai and Hangzhou. With advanced workshops, modern production lines, ISO 9001 and SMETA certifications, and multiple patents, we ensure strong monthly capacity, reliable quality, high efficiency, and punctual delivery to clients worldwide.