Kansd was established in 2011. As an enterprise specializing in precision manufacturing and assembly, we located in Shenzhen,China. With more than 70 professional employees, Kansd has a professional technical team that has been deeply engaged in the precision manufacturing industry for more than ten years.
0102030405
Medical-Grade SUS316L Adsorption Plate from China Suppliers - Precision Machining Factory for Medical Devices
Project Overview
In the medical device industry, the choice of materials and the level of machining precision directly determine the safety, functionality, and reliability of the final product. This adsorption plate is manufactured using medical-grade SUS316L stainless steel, a material widely recognized for its superior corrosion resistance and biocompatibility, far outperforming standard grades like SUS303.
Machining Challenges
High Material Hardness
SUS316L contains molybdenum, giving it a Brinell hardness over 180HB—significantly harder than SUS303. During CNC milling and turning, this leads to greater tool wear. Standard HSS tools wear 3–5 times faster when machining SUS316L, requiring the use of high-performance coated carbide tools and optimized cutting parameters to maintain precision and extend tool life.
Extreme Surface and Cleanliness Requirements
As a critical medical component, the surface must be completely free of scratches, dents, or oxidation marks. To achieve this:
- Custom fixtures are used to avoid clamping damage.
- Dust-free transfer boxes with pearl cotton films protect the surface between processes.
- Strict environmental controls are implemented to avoid contamination.
High Material Cost and Zero-Waste Requirement
SUS316L is twice as expensive as SUS303, which leaves no room for waste. From raw stock cutting to finishing, every process is optimized to maximize material utilization and reduce unnecessary scrap.
Machining Process & Technical Highlights
The final product undergoes 13 machining operations from raw material to finished part. The process concludes with precision grinding, achieving a mirror-like surface finish with Ra ≤ 0.4μm.
Key Processes & Workflows
- High-precision CNC rough and finish milling
- Multi-axis coordinated hole drilling
- Custom fixture clamping for accurate positioning
- Mirror surface grinding and polishing
- 100% in-process and final inspection of critical dimensions and appearance
Each step is fully traceable and controlled under the ISO 13485 quality management system for medical devices, ensuring the product meets stringent regulatory and clinical standards.
Why Choose Us for SUS316L Medical Components?
This project demonstrates our advanced capabilities in precision machining of hard-to-machine medical-grade materials, especially stainless steel parts with tight tolerances and strict surface requirements. We offer:
- ±0.002mm machining tolerance
- Over 13 years of experience in medical component manufacturing
- ISO 9001 & ISO 13485 certified quality systems
- Cleanroom-level handling and packaging protocols
- Full-process quality control and documentation
Frequently Asked Questions
Q: Why is SUS316L preferred over standard SUS303 for medical devices?
SUS316L is a medical-grade stainless steel that offers exceptional biocompatibility and superior corrosion resistance compared to standard grades like SUS303. This makes it highly safe and reliable for direct contact with biological systems and harsh medical environments.
Q: What are the main challenges in machining SUS316L stainless steel?
SUS316L contains molybdenum, which increases its hardness (over 180HB). This high hardness causes standard HSS tools to wear 3 to 5 times faster. Overcoming this requires using specialized high-performance coated carbide tools and optimized CNC cutting parameters.
Q: How do you prevent surface scratches and contamination during production?
To protect critical cosmetic surfaces, we use custom-engineered fixtures to eliminate clamping damage. Additionally, components are handled in dust-free transfer boxes lined with protective pearl cotton films under strict environmental controls.
Q: What level of surface finish roughness can you achieve for adsorption plates?
Through our multi-step precision grinding and mirror polishing processes, we can achieve an ultra-smooth, mirror-like surface finish with a roughness rating of Ra ≤ 0.4μm.
Q: What quality certifications do you have for medical component manufacturing?
Our manufacturing processes are fully certified under both ISO 9001 and ISO 13485 (Medical Devices Quality Management Systems), ensuring complete traceability and compliance with strict clinical standards.
Q: What is your maximum machining precision tolerance for SUS316L parts?
We can consistently achieve tight dimensional tolerances as precise as ±0.002mm using our advanced multi-axis CNC milling, turning, and grinding machinery.
Company Profile
14+
years
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One-stop service
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High quality products
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Advanced production equipment
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OEM&ODM services