Medical Micromachining

Sanluo Precision is a professional manufacturer and supplier engaged in medical micromachining in China, mainly researching ultra-precision processing technology for medical use, providing customers with high-precision and high-cleanliness micro EDM machining services. The company offers professional customized micro EDM machining services for medical devices, interventional medicine, implantable medicine, diagnostic equipment, etc., and supports the customization of complex and difficult parts. Strictly control the accuracy, surface, cleanliness and biocompatibility to meet the stringent requirements of the medical device industry for medical micromachining.

Send Inquiry

Product Description

Medical Machining Technology

Sanluo Precision's processing plant has a complete medical micromachining process system. Surgical knife edge processing: the edge width of the micro EDM cutting knife edge is between 0.007mm and 0.01mm without burrs; laser micromachining of micro teeth on the knife edge with a tooth pitch between 0.1mm and 0.3mm to improve the cutting effect; knife edge heat treatment HRC58 to 62 with good wear resistance. Interventional device processing: EDM drilling of catheter micro holes, hole diameter 0.01mm to 0.5mm, hole position accuracy ±0.001mm; micro grinding of guide wires with a diameter of φ0.02mm to φ0.5mm and low surface roughness. Implantable device processing: micro machining of bone screw threads with a pitch of 0.03 to 0.5mm and a thread depth of 0.015mm; laser cutting of coronary stents with a tube wall of 10 to 100μm and a groove width of 10 to 50μm.

Station Accuracy

Dimensional accuracy	OD	ID	T（C）	SW	GD
unit:±/mm	0.001	0.001	0.001	0.001	0.001
Geometric accuracy	Roundness	Coaxiality	Straightness	Symmetry	Position tolerance
unit:±/mm	0.001	0.002	0.002	0.002	0.002
Production capacity	1~999999 pcs	1~999999 pcs	1~999999 pcs	1~999999 pcs	1~999999 pcs
Production cycle	3-20 days	3-20 days	3-20 days	3-20 days	3-20 days

Medical Technology Management

Sanluo Precision has strict medical quality management and is a professional manufacturer of medical micromachining. Clean environment: ISO Class 7 clean room, temperature and humidity control, laminar flow protection. Personnel management: clean clothing, regular training, strict operating procedures. Material management: use medical grade materials with material certificates and batch traceability. Sterilization verification: ethylene oxide sterilization, irradiation sterilization, sterility assurance level SAL=10⁻⁶. Compliant with ISO 13485 medical device quality system, meeting the requirements of FDA 510(k) registration. Sanluo Precision has directly or indirectly provided customized micro EDM machining services for medical enterprises such as Johnson & Johnson, Medtronic, Boston Scientific, MicroPort Medical, Lepu Medical, with an annual production of 3 million medical devices and a qualification rate of 99.9%, winning the trust of customers.

Equipment Technical Parameters

Parameter Category	Parameter Details
Equipment model	MILL P 500 VHP (Very High Precision)
Core positioning	Micromachining and mirror-level surface creation
Number of axes	/
Spindle system	Equipped with Step-Tec 42,000 rpm spindle, HSK-E40 high-rigidity interface
Structural features	Symmetrical high thermal stability structure and polymer concrete bed, effectively suppressing temperature drift and structural deformation
Key accuracy	Processing stability and repeatability accuracy ±2µm
CNC system	Can be equipped with Heidenhain TNC 640 or Siemens Sinumerik system
Core advantages	Achieve excellent surface quality under high-speed and low-vibration cutting, demonstration parts can achieve mirror effect
Typical applications	Precision medical micromachining parts, etc

Parameter Category	Parameter Details
Equipment model	AFUA600
Core positioning	Efficient and high-dynamic precision processing of difficult-to-machine materials (such as titanium alloy, superalloy) in the aerospace field
Number of axes	5-axis (can adapt to 4-axis requirements)
Key accuracy	Linear axis positioning accuracy ≤1μm, repeat positioning accuracy ≤0.05μm; rotary axis positioning accuracy ≤15″, repeat positioning accuracy ≤5″
Core technology and advantages	Ram-type structure; equipped with a newly developed low-loss high-power pulse power supply to realize efficient and low-loss processing of difficult-to-machine materials
Processing surface quality	Processing mold steel surface roughness Ra≤0.08µm, processing cemented carbide Ra≤0.15µm
Typical applications	Integral runner twisted parts, disc/roller parts inaccessible to cutting tools

Parameter Category	Parameter Details
Equipment model	EDM 310
Core positioning	Small integrated machine tool with high dynamic performance, specially used for processing micro parts and fine components
Number of axes	3-axis
Processing stroke	350×270×270mm
Workbench size	550×350mm
Key accuracy	Positioning accuracy P<0.001mm, repeat positioning accuracy Ps<0.0003mm (VDI standard)
Machine tool features	FEM optimized design and artificial marble integrated bed structure; MF30 operating system based on Windows, CNC path can be simulated; exopuls+ high-power pulse power supply intelligently optimizes the discharge process
Typical applications	Precision medical micromachining parts, etc