Description

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In the medical device field, the housing serves as the product's "first line of defense." It not only fulfills the core functions of protecting internal precision components and isolating contamination but also directly impacts the equipment's ease of operation, compatibility with disinfection protocols, and the patient experience. CNC machining of medical product housings-with its core advantages of "high precision, high stability, and high cleanliness"-has become a key process choice for both mass production and customized development of medical devices. It is widely used in various medical products such as monitors, ultrasound equipment, ventilators, diagnostic instruments, and surgical instrument housings, empowering the medical industry with safety and efficiency.

Material Selection

Medical plastic housing materials must simultaneously meet four key requirements: "biocompatibility, mechanical properties, compatibility with disinfection protocols, and lightweight design." We have carefully selected three main categories of medical-grade plastic materials and established a strict material qualification system:

Medical-grade ABS plastic (compliant with ISO 10993 standards)

PC/ABS alloy material (medical-grade modified formula)

Medical-grade PC plastic (high transparency, high weather resistance)

Advantages

Solving Plastic Deformation Challenges

Plastic materials (e.g., ABS, PC/ABS) have a high coefficient of thermal expansion and are prone to deformation during machining due to cutting temperature and stress release. Medical device housings typically require hole-position tolerances and assembly gaps within ≤±0.03 mm.

Medical-Grade Clean Processing--adapted for High-Frequency Disinfection Scenarios

Medical plastic housings are frequently exposed to disinfectants such as alcohol, chlorine-based solutions, and iodine, and may come into indirect contact with human skin or bodily fluids. Therefore, they impose extremely stringent demands on processing cleanliness and material compatibility.

High-Consistency Mass Production Capability, Ensuring Batch Stability

In the mass production of medical products, the batch-to-batch consistency of plastic housings directly affects assembly efficiency and quality stability. We achieve standardized storage of machining parameters (cutting speed, feed rate, tool paths) through digital programming. Once the optimal solution is determined, it enables the replicated production of thousands to tens of thousands of units.

Integrated Molding of Complex Structures, Driving Product Lightweight Innovation

Modern medical devices prioritize portability and ergonomic design, often featuring plastic housings with integrated complex structures-such as curved grips for handheld glucose meters, built-in heat dissipation channels for ventilators, hidden interfaces, and internal reinforcing ribs. Traditional processing methods typically require splitting the structure into multiple components for assembly, which can lead to issues like visible seams and insufficient strength. In contrast, CNC machining enables "single-setup, multi-process execution": by using Mastercam software to analyze 3D drawings and generate optimized toolpaths, milling, drilling, slotting, and other integrated operations can be performed on plastic blanks in one go. This allows complex structures to be formed without splitting, ensuring both structural integrity and design precision.

Custom Service

We provide one-stop plastic and metal CNC machining services, covering the entire workflow from design evaluation to final delivery with professional coordination:

Step 1: Submit Drawings or Samples

Accepted file formats: STP, IGES, DWG, PDF

Physical samples accepted for reverse engineering

Step 2: Evaluation & Quotation

Our engineering team will help assesses the part complexity, material requirements, tolerance & quantity

Transparent quotation provided within 24 hours

Step 3: Prototyping

3–5 business days for sample production, batch production begins after customer approval

Step 4: Batch Production

Standardized workflow with strict quality control (QC)

Real-time production tracking

Step 5: Surface Treatment & Packaging

Post-Processing	Purpose
Spray paint	Aesthetics
Silk-screen	Information Labeling & Brand Representation Decoration & Aesthetic Enhancement
Laser engraving	Information Labeling & Brand Representation