Medical parts processing

How to make medical parts by CNC machining in medical parts processing plants
The items processed and manufactured by CNC in medical parts processing plants include various surgical instruments used in medical surgeries, such as trocars (skin piercing devices), bone drills, and saws. When using CNC machining, parts are usually milled using 3 to 5 axes or turned using a movable tool CNC lathe.
The most common types of machines used in the manufacturing process of medical parts include CNC milling machines, lathes, drilling machines, and computerized milling machines. Reliability and high quality are the top priorities in the processing of medical components, so the medical device industry has put forward new requirements for professional precision cutting tools. Difficult to machine materials, complex workpiece shapes, and frequent CNC small batch production have put forward high requirements for cutting tools used for processing professional medical devices. Mainly manifested in:
1. The requirements for CNC machining machines are relatively high
Advanced medical device processing equipment such as Swiss automatic lathes, multi spindle machine tools, and rotary workbenches are completely different from commonly seen machining centers and lathes, with very small dimensions and compact structures; To meet this requirement, the structure of the cutting tool also needs to have a special design, requiring the tool size to be very small while ensuring the rigidity of the tool.
2. High requirements for CNC machining efficiency
For medical devices, the most important thing is processing efficiency, which is the processing pace and requires the ability to replace blades in the shortest possible time.
3. From the perspective of the workpiece itself, it has significant differences from other mechanical components; Medical devices implanted into the human body first require excellent smoothness, high precision, and no deviation. This requires that the design of the blade structure and blade coating must meet high processing requirements.
4. CNC machining requirements:
The tolerance within the micrometer range is common in the medical industry, and choosing the right tool requires keen insight and rich experience. On the one hand, even when drilling small holes, it is necessary to use lubricants to reduce friction, reliably dissipate heat, and handle fine iron filings at the cutting edge; On the other hand, when producing cutting-edge medical devices (without burrs), it is necessary to use sharp and smooth cutting tools to obtain high-quality surfaces.