CNC grinding

CNC grinding is an advanced precision technology used to improve the surface quality and geometry of a component. Robofeed offers automation solutions that make the CNC grinding process more efficient and precise, ensuring flawless results in even the most complex machining operations.

What is CNC grinding?

CNC grinding is a machining process that uses an abrasive wheel to remove small amounts of material from a part, improving surface finish and dimensional accuracy.

Using computerized numerical control, CNC grinding allows for very tight tolerances, which are critical for precision components. This process is primarily used for machining flat, cylindrical or conical surfaces, ensuring a uniform and repeatable result.

Types of CNC grinding

  1. Cylindrical grinding: Machines concentric surfaces on cylindrical workpieces, maintaining precision in the axis of rotation. Ideal for bearing rollers.

  2. Surface grinding: Uses an abrasive wheel to finish flat surfaces, removing oxidation and impurities. Used for connecting rods and valves.

  3. Internal grinding: Grinds internal surfaces with a small wheel on a spindle, applicable to hydraulic cylinders.

  4. Centerless grinding: With double wheel, processes cylindrical workpieces without center supports. Perfect for mass production of shafts and pins.

  5. Jig grinding: Performs precise cuts through jigs, used in electronics for circuit board fasteners.

  6. Slow feed grinding: Removes complex contours in one slow pass. Ideal for aerospace turbine blades.

  7. Gear grinding: Optimizes the final size of gears post heat treatment, used in high-precision transmissions.

These processes ensure industrial finishes of high quality and precision.

which materials are grindable

Here is the rewrite of the texts in concise and optimized form:

  1. Metals: CNC grinding is suitable for a variety of metals, from soft metals such as aluminum and brass to hard metals such as steel, stainless steel, and high-temperature alloys. The process also includes precious metals such as gold, silver and special alloys.
  2. Wood: Although less frequent, CNC grinding can be applied to some hardwoods for a precise finish.
  3. Plastics: Some rigid plastics can be shaped and finished by CNC grinding, ensuring precision and quality.
  4. Ceramics: Traditional (porcelain) and advanced (silicon nitride, zirconium) ceramics can be machined with CNC grinding, ensuring precision and optimum finish.
  5. Composites: CNC grinding shapes composite materials with different physical and chemical properties, ensuring uniform results.
  6. Glass: Glass can also be processed by CNC grinding, using specific techniques to prevent breakage due to its fragility.
  7. Silicon: In electronics, CNC grinding is used to shape silicon wafers, which are essential in integrated circuits.

Each material requires specific approaches for CNC grinding, with speeds and grinding wheels appropriate to its characteristics, for an end result that meets the requirements of the application.

What is CNC grinding used for?

CNC grinding is used to finish components already machined by other processes, such as turning or milling, and to ensure high dimensional accuracy and a flawless finish.

It is used to manufacture crankshafts, rollers, bearings and other components that require smooth, precise surfaces, which are essential in industries such as automotive, aerospace and precision engineering.

The benefits of CNC grinding

CNC grinding offers a number of significant advantages. Here are the top three:

  • SUPERIOR PRECISION AND FINISH CNC grinding provides extreme precision and high-quality surface finish, ideal for components that require tight tolerances.

  • REDUCED SCRAP CNC automation reduces machining time, increasing production efficiency. Robofeed’s solutions ensure a continuous process, with rapid tool changes and minimization of errors.

  • MATERIAL VERSATILITY CNC grinding can be used on a wide range of materials, from hard metals such as steel to elastomers and plastics, making it a versatile technology for multiple industries.

How to optimize the process?

To optimize the CNC grinding process, it is essential to correctly configure cutting parameters, such as grinding wheel speed and workpiece feed rate.

RoboFeed offers automation solutions that minimize set-up and tool-change times, improving the efficiency of the production cycle.

Our technology also allows constant monitoring of abrasive wheel wear, ensuring consistent quality and optimizing production time.

Rettifica CNC

Industrial applications

CNC grinding has applications in many industries, such as the machining of engine components, cutting tools, bearings and other precision components.
It is widely used in the metalworking industry, with machinery such as:

RoboFeed services

We provide our customers with customized solutions to meet all kinds of needs in CNC grinding processes.

RoboFeed Custom and branded solutions to give you exactly what you need and take a huge step forward in efficiency, safety, and ease of use.

RoboFeed is your company's innovation solution.

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