Mechanical Micro Machining

Sanluo Precision is a leading manufacturer and supplier of mechanical micro machining in China, with micro CNC machining technologies such as turning, milling, grinding, drilling, providing customers with comprehensive micro CNC machining services. We offer professional customized micro CNC machining services for precision instruments, electronic communication, medical equipment, aerospace and other fields, supporting the customization of complex and difficult parts. We can manufacture miniature parts with micron-level dimensional accuracy and nanometer-level surface quality, fully meeting the stringent requirements of high-end manufacturing for mechanical micro machining.

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Product Description

Micro CNC Machining Technology

Our mechanical micro machining uses cutting, grinding and other mechanical processing methods to process miniature parts. Machining range: part size φ0.05-10mm, feature size 0.01-5mm. Machining accuracy: dimensional accuracy ±0.002-0.01mm, geometric accuracy 0.003-0.01mm, surface roughness Ra0.05-0.8μm. The machining processes include micro turning, micro milling, micro grinding, micro drilling, micro boring, and multi-process combination to complete complex parts. Cutter size: turning tool nose R0.1-0.5mm, milling cutter φ0.1-3mm, drill bit φ0.05-2mm. Cutting parameters: spindle speed 10000-100000rpm, feed rate 0.001-0.05mm/r.

Station Accuracy

Dimensional accuracy	OD	ID	T（C）	DP	SH
unit:±/mm	0.001	0.001	0.001	0.001	0.001
Geometric accuracy	Roundness	Coaxiality	Straightness	Cylindricity	Concentricity
unit:±/mm	0.001	0.002	0.001	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

Comprehensive Machining Capacity

Sanluo Precision's processing plant has comprehensive mechanical micro machining capacity: micro turning with a diameter of φ0.01-10mm, a length-diameter ratio of ≤50:1, a roundness of 0.002mm and Ra≤0.2μm; micro milling of 3D curved surface cavity grooves and holes with a profile accuracy of ±0.005mm and Ra0.3μm; micro grinding of outer circle, inner hole, plane and spherical surface with a dimensional accuracy of ±0.002mm and Ra0.05-0.2μm; micro drilling with a hole diameter of φ0.01-2mm and a depth-diameter ratio of ≥10:1; turn-mill complex center to complete multiple processes in one clamping; 5-axis simultaneous machining of complex 3D parts.

Precision Quality Control

As a professional manufacturer of mechanical micro machining, Sanluo Precision strictly controls quality: constant temperature workshop 20±1℃, spindle runout <0.002mm, positioning accuracy ±0.001mm; tool preset runout <0.003mm, timely replacement of worn tools; laser probe online detection, closed-loop size control; coordinate measuring machine accuracy 0.001mm, surface roughness tester for quality inspection; SPC statistical process control with Cpk>1.33 for stable and controllable process. The application fields are extensive: precision instruments (watch miniature gears with a module of 0.08-0.2mm, miniature bearings with P5 precision grade), electronic communication (camera lens holder with a concentricity of 0.01mm, connector pins with a diameter of φ0.3-1mm), medical equipment (minimally invasive instrument joint shafts, endoscope lens holders with precision matching), aerospace (sensor shell with a wall thickness of 0.2-0.5mm, fuel nozzle with a hole diameter of φ0.2-0.5mm). We have provided customized micro CNC machining services for enterprises such as Citizen, Omega, Sony, Olympus, Honeywell, etc., with an annual output of 800,000 miniature parts.

Equipment Technical Parameters

Parameter Category	Parameter Details
Equipment model	Micro5 Micron-level High-precision 5-axis Machining Center
Core Positioning	High dynamic performance and high-precision machining of miniature, high-value-added parts
Key Accuracy	Repeat positioning accuracy 0.0005mm, positioning accuracy < 0.002mm
Spindle System	Maximum spindle speed 60,000 rpm
Structural Features	Compact structure with a total weight of 550kg; equipped with a three-layer tool magazine with a capacity of 60 tools; the pallet system in the machining area can hold 6 zero-point clamps
Energy Saving and Environmental Protection	Extremely low energy consumption (<500W), equipped with oil mist collector
CNC System	German Beckhoff system
Stroke (X/Y/Z)	78 / 56 / 50 mm
Typical Applications	mechanical micro machining of miniature engineering components, small precious metal parts, etc

Parameter Category	Parameter Details
Equipment model	TORNOS Swiss GT26 Automatic Lathe
Core Positioning	High-efficiency mass production of small shaft parts such as medical screws
Maximum Machining Diameter	25.4 mm (preformed bar)
Maximum Spindle Speed	/ (high torque available at high speed mentioned)
Tool Capacity	Up to 40 tools can be installed (including 16 power tools)
Axis Configuration	5-axis and 6-axis models are optional
Drive Mode	Supports guide bush mode (for long bar machining) and guide bushless mode (for short workpiece machining, material saving)
Core Advantages	Y-axis enhances the back spindle machining capacity, enabling compound machining such as turning, milling, drilling in one clamping and reducing secondary clamping
Typical Applications	mechanical micro machining of medical screws, dental nails, electronic and micromechanical parts, etc