High-precision CNC Grinding Service

High-precision CNC grinding processing services to ensure a perfect surface and extreme dimensional accuracy of parts

  • as fast as 3 days

  • ISO 9001:2015 certificated

  • 24/7 engineering support

Certifications
ISO 9001:2015 | IATF 16949 Registered

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Our CNC Grinding Service

CNC Grinding is a high-precision surface and shape processing technology, suitable for the precision trimming and dimensional control of metal parts. RPS offers a variety of CNC grinding services, including surface grinding, cylindrical grinding, and centerless grinding, ensuring a smooth surface and stable dimensions of the parts to meet stringent industry standards.

RPS focuses on providing high – quality CNC grinding services. By combining advanced CNC grinding equipment and rich experience, it meets the precision grinding requirements of various metal and alloy parts. Whether it is for complex shapes or high – precision requirements, we can provide you with efficient and reliable grinding machining solutions.

Latest CNC Grinded Parts

Check out our extensive gallery that shows precision machined prototypes and parts from our valued customers.

Grinding Processing Capabilities and Equipment

 

 

ItemSpecific Description
EquipmentsCNC surface grinders: 8 units; CNC cylindrical grinders: 5 units; centerless grinders: 3 units
MaterialsSteel (such as 45# steel, Q235 steel), stainless steel (such as 304 stainless steel, 316 stainless steel), aluminum alloy (such as 6061 aluminum alloy, 7075 aluminum alloy), titanium alloy (such as TC4 titanium alloy, TA2 titanium alloy) and other various metals and alloys
Processing AccuracyDimensional tolerance can reach ±0.001 mm; surface roughness Ra can be as low as 0.1μm
Max. SizeLength up to 3000mm, width up to 1000mm, height up to 800mm
Supported ShapesCapable of processing complex special-shaped parts, small precision parts and large-sized workpieces
Annual Processing CapacityMillions of pieces, which can meet the needs of mass production and customization

Why Choose Us for CNC Grinding ?

Choosing us for Precision Grinding not only gives you high-quality parts, but also saves time and costs, ensuring your project goes smoothly.

What is CNC Grinding?

CNC grinding processing refers to a process that uses a numerical control system (CNC) to control grinding equipment and perform high-precision cutting on the surface of workpieces through grinding tools such as grinding wheels. It can achieve automated grinding of workpieces with complex shapes, precisely control parameters such as machining accuracy and surface roughness, and is widely used in fields such as precision machinery, molds, aerospace, etc., to meet the high requirements of workpieces for dimensional accuracy and surface quality.

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Grinding Process Flow

First, we conduct a detailed analysis of the part drawings and technical requirements provided by the customer, evaluate the complexity of the part material, dimensions, and shape, and formulate the optimal CNC Grinding processing plan. Through scientific process planning, we ensure the best balance between processing efficiency and product quality.

For workpieces of different shapes and sizes, design special fixtures to ensure the stable positioning of parts during the machining process. Precise fixture design is the key to achieving high-precision grinding and avoiding part displacement and deformation during the machining process.

Use advanced CNC grinding equipment to conduct high-precision grinding processing according to predetermined process parameters. Monitor key parameters in real-time during the processing to ensure that the dimensions and surface quality of the parts meet the design standards.

After processing, advanced inspection equipment such as coordinate measuring machines (CMM) and surface roughness testers are used to strictly inspect the dimensional tolerances, geometric tolerances, and surface finish of the parts to ensure that all indicators meet customer and industry standards.

According to the customer’s requirements, a variety of surface post – treatment services are provided, such as mechanical polishing, electroplating, spraying, etc., to further enhance the appearance and durability of the parts. All subsequent processes are closely coordinated with the grinding process to ensure the overall quality of the product.

Surface Finishing Options

After the parts are machined, surface treatment is applied to create a unique surface layer to meet the product’s hardness, corrosion resistance and appearance requirements. The choice of surface treatment depends on the material properties and application of the part.

Rapid Protos (RPS) offers the following surface treatment options for CNC grinded metal parts:

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Ultimate Guide to CNC Grinding Parts Fabrication

To help you get the most out of CNC grinding, we’ve put together a complete guide on the basics of the technology. It can help you decide if it’s the best choice for your project and create the perfect metal part.

CNC Grinding Parts Applications

CNC grinding is widely used in industries that demand high precision, superior surface quality, and excellent dimensional consistency. With CNC grinding, components can achieve micron-level tolerances and mirror-like finishes, making it an ideal solution for critical applications.

  • Precision grinding of engine crankshafts, camshafts, gears, and bearing rings

  • Improves wear resistance, reduces friction, and ensures the stability and longevity of vehicles

  • Grinding of turbine blades, aircraft engine shafts, landing gear components, and other complex parts

  • Meets the extreme strength and surface finish requirements for flight safety and performance

  • Surgical instruments, implants, and precision medical components

  • Ensures smooth surface finishes, reduces friction and wear, and complies with strict medical standards

  • Manufacturing of precision molds, hydraulic valve spools, transmission shafts, and high-accuracy bearings

  • Provides precise component fitting, enhancing equipment durability and stability

  • Ultra-precision grinding of linear guides, optical lens bases, heat sinks, and other components

  • Guarantees stable performance and heat dissipation in miniaturized electronic parts

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Let’s Start a CNC Grinding Project Today

Frequently Asked Questions

We can achieve a dimensional tolerance of ±0.001mm, and the surface roughness Ra can be as low as 0.1μm.

Various metals and alloys such as common steel, stainless steel, aluminum alloy, and titanium alloy.

Depending on the complexity and quantity of the order, it is usually 1-4 weeks.

Yes, we support small-batch trial production and customized production.

Including various surface treatment processes such as polishing, electroplating, and spraying.