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Abrasive Flow Machine Uses Diamond Fine Powder,Silicon Carbide Powder or other Abrasives Mixed Into Polymer Elastic as a soft medium.The abrasives flow up and down through the inner holesor over the machined surface to achieve surface polishing.Especially suitable for all kinds of mould and irregular shape tiny cavities.
Abrasive flow is not only a device,but also a system engineering!It includes equipment,abrasives,tooling fixtures,and important detail design and experience,which are not only reflected in the final effect and efficiency,but also reflected in the long-term stable use,and can help customers save a lot of trial and error costs!
Medical devices, particularly surgical instruments, implants, and precision medical parts, have extremely demanding surface finish requirements. Any tiny burr or rough spot can become a breeding ground for bacteria or cause unnecessary frictional damage to human tissue. Given such high standards, how have abrasive flow polishers emerged as an indispensable component of medical device manufacturing?
The application of abrasive flow polishers in the medical field stems primarily from their exceptional process consistency and integrity. For products like joint implants, surgical scissor cavities, and complex orthopedic instruments, abrasive flow technology can evenly treat every corner, resulting in a smooth, uniform, and biocompatible surface. This consistency, unattainable with traditional manual polishing, is directly related to patient recovery and surgical success rates.

The working principle of abrasive flow polishing is gentle yet efficient. Rather than relying on the forceful cutting of a rigid tool, abrasive flow removes microscopic material through the flexible flow of a viscous abrasive. This "soft over hard" approach avoids the creation of new stress concentration points or microcracks in precision parts, maintaining the mechanical integrity of the workpiece, which is critical for implants subjected to cyclic loads.
Furthermore, abrasive flow polishers significantly enhance production cleanliness and traceability. The entire polishing process takes place in a closed or semi-closed environment, minimizing human contamination. Process parameters can be precisely recorded and controlled, providing a solid data foundation for medical product quality traceability.
Given the paramount importance placed on quality, safety, and regulatory compliance in medical devices, the value of introducing abrasive flow polishing technology far exceeds the equipment itself. Therefore, despite the higher technical content of high-end medical-grade abrasive flow equipment, its pricing often prioritizes the safety premium and market competitiveness it provides.
The machine equipped with a hydraulk cylinder,pumps the abrasive fluid up and down through the part to be processed to achieve polishingon the surface through an inner hole,burr ingand chamfering.Amirror su rfis achieved by the circulating polishing fluid and isespecially suitable for concave and convex surfaces and complex curved channels.Most suitable for gas and liquid fluid conduction tube.The method effectively improves the performance of the die or workpiece and achieves a bright and clean surface,the processed surfaceroughness can reach Ra0.025Ra0.01 microns.
The technology of the one way AFM is designed for plastic injection moulds,hot nozzle,hat runner,long tube and bent pipe products.The PLC can control the polishing automatically to economically improve thepolishing effects This process is suitable for concave and convex surfaces,curved channels,irregular shape and micro holes and can meet any other complex shapes,In order to meet customer demand we are not only providing the abrasive flow machines,but also provide services for custom- ers who need polishing of hot runner systems,we can decrease the roughness in afew minutes and achleve a level of Ra<0.01 microns.
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