Precision metal parts for medical beauty equipment

Processing Technology for Metal Accessories of Medical Cosmetic Devices

The processing technology for metal accessories of medical cosmetic devices involves high-precision manufacturing and specialized surface treatment techniques. The following are key points:

Processing Technology Features:

1. Precision Machining Technology

Micro-shaft parts (diameter 1-32mm) are machined using Swiss-type machining with an accuracy of ±0.005mm. These components are suitable for components such as radiofrequency probes and injection needles. The milling-turning process enables the simultaneous formation of multi-curved structures, such as the complex contours of Thermage probes.

2. Material Selection and Processing

Medical 316L stainless steel: Electropolishing is required to achieve an inner surface finish of Ra ≤ 0.2μm to minimize tissue damage.

Titanium alloy: Micro-arc oxidation is used to enhance insulation properties for use in implantable sensor substrates.

Aluminum alloy: Hard anodizing (hot water compression process) enhances wear resistance and meets high and low temperature cycling testing requirements.

Key Surface Treatment Technologies:

Biocompatibility Treatment: Plasma spray ceramic coating, certified by ISO 10993 Standard Testing

Functional Coatings: Laser engraving for permanent marking, nano-coating for reduced friction

Cleanliness Control: Processed in a Class 10,000 cleanroom to avoid particulate contamination

Typical Applications：

RF Electrodes: Titanium alloy turning and micro-arc oxidation for high-temperature resistance and insulation

Microneedle Arrays: Photolithography-based molding, tip accuracy ±0.01mm

Syringe Barrels: Mirror-polished stainless steel inner wall reduces puncture resistance

Product attributes

CNC workshop

CNC workshop

CNC workshop

CNC workshop

CNC workshop

CNC workshop

CNC Milling Parts 

Explore our CNC Milling Parts Gallery to see precision-crafted components manufactured with high accuracy and quality.

Tolerances for CNC Milling

Core Characteristics of Milling Processing

1. Multi-Edge Cutting and Efficiency

-- Milling cutters have multiple cutting edges (e.g., end mills with 4-6 edges), which can participate in cutting simultaneously, sharing the load and improving efficiency (30%-50% higher than single-edge tools).

-- Suitable for large feed rates or high cutting speed machining, such as surface milling with a cutting depth of up to 5-10mm.

2. Intermittent Cutting and Impact Vibration

-- The cutter teeth engage and disengage from the workpiece periodically, causing fluctuations in cutting force, requiring machines with good rigidity (e.g., heavy-duty milling machines) to ensure precision.

-- Intermittent cutting facilitates tool cooling and extends tool life, but durable tool materials (e.g., carbide) must be used.

3. Process Flexibility-- By changing tools (e.g., face mills, T-slot mills), it can process complex features such as flat surfaces, grooves, gears, and curved surfaces.

-- Supports multi-axis linkage (e.g., five-axis milling) to achieve machining of three-dimensional complex profiles (e.g., mold cavities).4. Controllable Surface Quality-- Adjusting cutting parameters (e.g., feed rate, speed) can control surface roughness (Ra 0.8-12.5μm).

-- End mills' secondary cutting edges can polish surfaces with roughness down to Ra 0.4μm.Range of Milling Processing

1. Basic Processing-- Flat/Step Surfaces: Face mills (end mills) process large flat surfaces, three-edge mills process steps.

-- Grooves/Keys: End mills mill straight grooves, keyway cutters process key slots (accuracy IT8-IT9).2. Complex Feature Processing

-- Gears/Threads: Modular shaped end mills process gears, thread mills process threads.

-- Cavities/Molds: Ball end mills process three-dimensional curves (e.g., injection molds).

2. Special Processing

-- Cutting/Indexing: Saw blades mill cut workpieces, dividing heads achieve evenly spaced holes/teeth.

-- Special-Shaped Slots: Dove-tail milling cutters and T-slot mills process specific connection structures.Typical Application Scenarios

-- Automotive Manufacturing: Milling flat surfaces of engine blocks, processing gear case shells.

-- Aerospace: Frameworks of fuselages, structural components of landing gear.

-- Electronics: Mounting slots for circuit boards, arrays of heat sink fins.

Comparison with Other

ProcessesTurning:

Suitable for rotating parts (e.g., shafts), milling is better for polyhedral/complex profiles.

Drilling:

Milling can replace some drilling operations (e.g., large diameter holes) but with higher precision.