Extreme Precision Machining

Sanluo Precision is a leading manufacturer and supplier of extreme precision machining in China. It specializes in extreme precision processing technology and provides top-notch services to customers. It offers professional customized high precision machining services for industries such as cutting-edge research, precision optics, semiconductor equipment, and aerospace engineering, supporting the customization of complex and difficult parts. It challenges the physical limits of processing accuracy to achieve ultra-precision manufacturing at the micro-nanometer level, fully meeting the strict requirements of the cutting-edge technology sector for extreme precision machining.

Send Inquiry

Product Description

Extreme precision capabilities

The Sanluo Precision factory achieves Extreme Precision Machining: dimensional accuracy (sub-micron level ±0.0005 - 0.001mm, special polishing accuracy, nanometer level ±50 - 500nm approaching the physical limit); positional accuracy (roundness 0.0001 - 0.0005mm, flatness 0.0002 - 0.001mm); surface quality (super mirror polishing Ra < 0.005μm, atomic-level smoothness, PV value < 50nm); positioning accuracy (±0.0001mm, repeat positioning accuracy ±50nm, angle accuracy ±0.5″); nanometer measurement (laser interferometer ±10nm, AFM atomic force microscope 1nm, STM scanning tunneling microscope 0.1nm).

Workstation 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	0.001
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

Extreme Environmental Control

As a professional manufacturer of extreme precision machining, Extreme Environmental Control: Class 1-10 ultra-clean rooms (particle control < 10 particles/m³); constant temperature and humidity (temperature 20 ± 0.02°C, humidity 50 ± 0.5%); active vibration isolation platform (6 degrees of freedom control, vibration < 0.01 μm, vibration isolation efficiency > 99%); vacuum chambers (vacuum degree 10^-6 - 10^-8 Pa, electromagnetic shielding effectiveness > 80 dB, inert gas protection against oxidation). Application fields: Semiconductor manufacturing (projection objective wave aberration of photolithography machines < 5 nm RMS, wafer carrier position accuracy ± 10 nm), precision optics (gravitational wave detection reflective mirror flatness 0.0001 mm surface Ra < 0.5 nm, astronomical telescope main mirror surface shape accuracy λ/100), aerospace engineering (spherical degree of inertial navigation gyroscope 0.0001 mm drift < 0.001°/h), quantum computing (superconducting quantum chip graphic precision ± 10 nm, optical cavity frequency stability of atomic clock 10^-16). Sanluo Precision Company has provided customized extreme precision machining services for Intel, TSMC, Huawei, MIT, Tsinghua University, etc., breaking through processing limits to serve precision manufacturing.

Equipment technical parameters

Parameter Categories	Parameter Details
Equipment Model	ShapeSmart NP50
Core Positioning	Non-cylindrical bar materials, precise grinding of complex shapes (such as flat surfaces, hexagons, and threads)
Number of CNC Axes	/
Grinding Capacity	The grinding diameter range is from Ø0.025 to 20 mm, and the unparalleled aspect ratio can reach 400 times.
Critical Accuracy	The size can be controlled within 0.001 mm during production.
Core Function	One-time clamping for complete rough machining, including steps, taper and radial grinding; patented stripping grinding technology
Automation	The machine setup is quick and simple (about 10 minutes), and an automatic loading and unloading system is also available as an option.
Typical Applications	precision components extreme precision machining

Parameter Categories	Parameter Details
Equipment Model	MILL P 500 VHP (Very High Precision)
Core Positioning	Micro-processing and mirror-like surface finishing
Number of Axes	/
Main Axis System	Equipped with a Step-Tec 42,000 rpm spindle and HSK-E40 high rigidity interface
Structural Characteristics	Symmetrical high-thermal-stable structure and polymer concrete bed, effectively suppressing temperature drift and structural deformation
Key Accuracy	Processing stability and repeatable accuracy±2µm
Numerical Control System	Can be equipped with Heidenhain TNC 640 or Siemens Sinumerik system
Core Advantages	Under high-speed and low-vibration cutting, it can achieve excellent surface quality, and the demonstration piece can reach mirror-like effect
Typical Applications	precision components extreme precision machining