Micro parts manufacturing for medical devices

Sanzhou Medical has been providing customized services for many years. We apply our extensive industry experience to a variety of processes. From proofing stage to mass production, Sanzhou Medical provides efficient and cost-effective services.

Micro cutting

We focus on micro, precision medical device manufacturing , in the rapid growth of the current medical device industry background, Sanzhou Medical through continuous research and development, learning, optimization to maintain competitiveness, such concentration, professional, excellence of superposition advantage is the key for us to go strong.

Micro machining ability

Size : 0.1mm

Wall thickness : 0.03mm

Tolerance: ±0.005mm

High precision, thin wall, complex shape, multi-process composite processing

No burr, no deformation, no loss of material, no change in hardness

Material options: stainless steel, tungsten molybdenum, titanium, titanium alloy, nickel-titanium, MP35N, platinum iridium alloy, etc

Laser cutting

Sanzhou Medical Professional provides a variety of microtube cutting and processing services, including developing rings, electrode rings and other tubular parts. With our rigorous and steady attitude, we ensure to provide each customer with high-quality service and accurate cutting solutions.

Surface treatment

Sanzhou Medical has a variety of surface treatment capabilities, including : deburring, electrolyzing polishing, passivation and electroplating.

Chemical deburring

The chemical deburring method is suitable for extremely small components, although the treatment period is long. Electrochemical deburring is preferred for relatively easy to manipulate components.

Electrolytic polishing

Electrolytic polishing is a process that uses electrochemical principle to clean and polish the surface of stainless steel and other metal materials. In the process of electrolytic polishing, the current passes through the electrolyte to slightly dissolve the metal surface material, so as to achieve a smooth and beautiful surface effect. In addition, the process is not limited to material removal and polishing, but can effectively eliminate local stress, chamfering, sharpening, burr removal, thermal effect zone and micro-crack treatment, thereby improving the fatigue life of the product.

Passivation treatment

After deburring and polishing,the components need to be passivated to improve the corrosion resistance of metal, stainless steel is no exception. Passivation can remove the iron embedded in the surface during processing and prevent the stainless steel from rusting. By immersion in a specific solution, a transparent oxide film is formed and the corrosion resistance is restored. In addition to electroplating, passivation is the best way to protect stainless steel.

Sanzhou Medical has significant advantages in the field of medical device manufacturing, especially in thin-wall welding and welding of heterogeneous metal materials. Its welding technology covers two categories of contact and non-contact methods, providing a variety of solutions for the manufacturing of medical devices.

Micro spot welding

Laser micro welding

As a non-contact welding technology, laser micro-welding is particularly widely used in the field of medical devices, and is regarded as an efficient and reliable welding method. With our laser micro-welding technology, the solder joint diameter can be as small as 0.05mm, and at the same time it can process micro-wires with a diameter of only 0.1mm. With the aid of a microscope or other auxiliary equipment, we can achieve precise and meticulous control of the welding area.

Resistance micro-welding

Resistance micro-welding is a contact welding process characterized by rapid rise in current, short welding cycles and excellent welding strength. Resistance micro-welding has become the preferred method for joining various metals in the medical device industry. Sanzhou Medical focuses on resistance micro-welding of high-precision components, equipped with unique welding power supply and micro-power transmission system, and has superb electrode processing ability, providing precision and customized services for medical customers.