CNC Machining Precision Parts

Sanluo Precision is a manufacturer and supplier of CNC machining precision parts in China. We provide high-quality customized precision CNC machining services for aerospace, medical devices, precision instruments, semiconductor industry and other fields, supporting the customization of complex and difficult parts. We can realize mass production of complex parts with micron-level accuracy, meeting the strict requirements of the industry for precision parts.

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Product Description

The configured testing instruments and measuring tools include: CMM coordinate measuring machine, image measuring instrument, projector, laser diameter gauge, laser interferometer, roughness meter, roundness meter, tool microscope, stereomicroscope, micrometer, pin gauge, dial indicator, 0.0001mm micrometer, electronic height gauge, caliper, gauge block, hardness tester, thread gauge.

Dimensional accuracy	L（X）	W（Y）	H（Z）	SH	SW
unit:±/mm	0.005	0.002	0.001	0.002	0.003
Geometric accuracy	Flatness	Parallelism	Perpendicularity	Roughness	Symmetry
unit:±/mm	0.002	0.002	0.002	Ra0.4	0.004
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

CNC Precision Machining

Sanluo Precision’s CNC machining precision parts use advanced CNC technology, equipped with FANUC, SIEMENS, Mitsubishi and other CNC systems and multi-axis linkage real-time interpolation. Equipped with CNC lathes, machining centers, turn-mill compound machines, sliding head machines and other equipment, which can complete all processes of turning, milling, drilling, boring and grinding. Processing accuracy: dimensional tolerance ±0.003～0.02mm, geometric tolerance 0.005～0.05mm, surface roughness Ra0.1～3.2μm. Processing range: part size φ1 to 800mm, length not more than 2000mm, weight 0.1g to 500kg. Adapt to stainless steel, titanium alloy, aluminum alloy, copper alloy, engineering plastics and other materials, hardness HRC20-65.

Quality Assurance System

As a professional manufacturer of CNC machining precision parts, Sanluo Precision’s processing plant has strict quality assurance: DFM manufacturability analysis to optimize the process, CAM automatic programming simulation verification; first article full inspection by CMM, SPC statistical process control, CPK real-time calculation; CMM accuracy 0.003mm, roundness meter, roughness meter full-size inspection; bar code full-process traceability, certified ISO9001, IATF16949, ISO13485.

Wide Application Fields

CNC machining precision parts are used in aerospace (structural parts, hydraulic system titanium alloy accuracy ±0.005mm), medical devices (orthopedic implants, surgical instruments 316L/TC4 surface Ra0.2μm), precision instruments (optical element seat, precision spindle concentricity 0.003mm), semiconductor industry (800,000 pieces of tool parts per year CPK≥1.67), electronic communication, energy equipment and other fields. The company has directly or indirectly provided customized precision CNC machining services for Siemens, Medtronic, BYD, Huawei, Schneider and other enterprises, with an annual output of 2 million pieces, a pass rate of 99.5%, an on-time delivery rate of 98%, and a customer satisfaction rate of 99%.

Technical Parameters

Parameter Category	Parameter Details
Equipment model	JDSGT400
Core Positioning	Sub-micron ultra-high precision machining
Number of Axes	3-axis
Drive System	3-axis all adopt dual linear motor drive
Key Accuracy	Repeat positioning accuracy 0.8 µm, hole position accuracy < 1 µm within 100mm
CNC System	Self-developed JD60 CNC system
Core Advantages	Integrates direct drive, temperature control and other technologies, aiming to achieve the excellent effect of "surface is functional surface"
Typical Applications	CNC machining precision parts such as precision optical molds, semiconductor parts, high-precision structural parts

Parameter Category	Parameter Details
Equipment model	VERSA® 943
Core Positioning	Ultra-high precision and thermal stability
Number of Axes	3-axis
Worktable	Worktable size 870 x 760 mm, max. workpiece load 1000 kg
Bed Design	Gray cast iron bed + thermally symmetrical structure design
Thermal Management	Active cooling pipelines installed in machine tool structure and sliders to effectively prevent thermal deformation
Core Advantages	Only two axes move during processing, ensuring maximum rigidity and accuracy of the machine tool
Typical Applications	CNC machining precision parts for medical, semiconductor, scientific research, etc