Case

A leading global medical device manufacturer specializing in surgical instruments and orthopedic implants was facing critical challenges in metal surface finishing, which directly affected product safety, biocompatibility, and compliance with international medical standards. The company mainly produces 316L stainless steel surgical forceps, titanium alloy orthopedic screws, and CoCrMo alloy artificial joint components, all of which require ultra-smooth surfaces to prevent bacterial colonization and reduce patient rejection risks.

Prior to adopting Suzhou Guangu’s metal polishing machine, the manufacturer relied on traditional manual polishing and rigid mechanical polishing. This approach led to inconsistent surface quality, with burrs and micro-scratches remaining in the dead corners of intricate components, failing to meet the required Ra value of ≤0.2μm. Additionally, manual polishing was inefficient, with a scrap rate as high as 12% and prolonged production cycles, which could not keep up with the growing market demand. The process also generated metal dust, posing environmental and operational hazards, while failing to fully comply with ISO 13485 and FDA certification requirements.

To address these pain points, the manufacturer partnered with Suzhou Guangu and adopted its customized magnetic metal polishing machine, tailored specifically for medical device manufacturing. Guangu’s machine utilizes advanced 3D dynamic magnetic field technology, driving magnetic abrasive particles to form a flexible “magnetic brush” that can penetrate every tiny gap, blind hole, and thread of the workpieces, achieving 360-degree non-dead-angle polishing without damaging the components’ precision structure.

The results after implementation were remarkable. The polishing machine reduced the surface roughness of medical components to Ra 0.05-0.2μm, completely eliminating burrs and micro-scratches, and forming a dense passive film to enhance corrosion resistance. The scrap rate dropped from 12% to less than 0.5%, while production efficiency increased by 3 times—single-batch processing of 200 surgical forceps takes only 25 minutes, significantly shortening delivery cycles. Moreover, the closed polishing process generates no dust or harmful waste, meeting green manufacturing standards, and the equipment fully complies with ISO 13485 and CE certifications, helping the manufacturer pass FDA audits smoothly.

“Suzhou Guangu’s metal polishing machine has revolutionized our production process,” said the manufacturer’s production manager. “It not only ensures the biocompatibility and safety of our medical devices but also greatly improves production efficiency and reduces costs.” This case fully demonstrates that Suzhou Guangu’s metal polishing machines provide reliable, efficient, and compliant surface finishing solutions for the medical device industry, empowering manufacturers to deliver high-quality products that safeguard patient health.