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Grinding Services

Grinding is the core final process of precision manufacturing, which determines the final dimensional accuracy, geometric precision and surface quality of parts. SINLING MACHINERY MANUFACTURING COMPANY provides professional surface grinding and cylindrical grinding services designed to meet the industry's stringent requirements for flatness, roundness and surface finish of parts.

How does CNC grinding work?

How does CNC grinding work?

CNC grinding is a high-precision finishing process that uses a high-speed rotating precision grinding wheel to perform micro-cutting on the surface of metal workpieces. Under the precise control of the CNC system, the position, feed rate, and motion path of the grinding wheel and workpiece can be accurately adjusted, thereby effectively removing excess material and enabling the workpiece to achieve exceptional dimensional accuracy, geometric accuracy, and a mirror-like surface finish.
Advantages of grinding services

Advantages of grinding services

Ultra-high flatness and parallelism: Parallelism accuracy of up to 0.01/300mm ensures consistent accuracy of mass-produced parts.

Mirror-like surface quality: Surface roughness as low as Ra ≤ 0.2μm reduces friction and improves wear resistance and sealing performance.

Deformation control of thin-walled workpieces: Flexible clamping technology ensures perfect machining of deformation-prone thin-walled workpieces.

Micron-level geometric accuracy: Roundness accuracy of 0.003 mm ensures stable operation and high concentricity of shaft components.

Precise dimensional control: tolerances can be controlled within 0.002-0.005 mm, and multiple grinding programs including OD/ID and internal taper are supported.

Application of grinding services

Application of grinding services

Mold Manufacturing: Precision finishing of mold cavities, cores, parting surfaces and guide holes to improve part accuracy and extend mold life.

Precision component machining: Serving the aerospace, automotive and electronics industries, machining shafts and hydraulic valve bodies to ensure stable equipment operation.

Special materials processing: Specialized in processing hard and brittle materials such as cemented carbide, ceramics and hardened steel, solving the problems of traditional machining processes.

High-cleanliness processing: For optical instrument bases and semiconductor connectors, mirror surface finish of Ra 0.2μm or less can be realized to meet the stringent requirements of optoelectronic products.

CNC grinding part size standard

TitleDimensions (mm)Medium Parts (mm)Large parts (mm)
Maximum Length803001000
Maximum width30100300
Maximum height2080400
Minimum thickness0.51.03.0
Tolerance±0.005±0.01±0.03

Precision Grinding Case Study

We provide high-precision grinding services for parts with high requirements for dimensional accuracy and surface quality, and support customization and mass production according to drawings.

Cylindrical grinding of shafts

Cylindrical grinding of shafts

It is used for precision grinding of external cylindrical grinding of shaft parts to ensure dimensional accuracy and surface finish and to meet high fit requirements.

Surface grinding parts

Surface grinding parts

Used for precision machining of flat parts to ensure flatness and dimensional consistency, suitable for high-precision structural parts.

Bore grinding parts

Bore grinding parts

It is used for precision machining of internal holes to improve dimensional accuracy and surface quality and to meet the requirements of assembly accuracy.

Precision structural grinding

Precision structural grinding

Used for finishing complex structural parts to improve overall accuracy and surface quality.

Welcome to send us your drawings and technical specifications.

Jinan Xinling will provide you with professional manufacturing advice and competitive quotes.

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