High-Precision Grinding Manufacturer: The Difference Between Grinding and Cutting Processes


Release date:

2022-02-27

High‑precision grinding: Both grinding and cutting are essential processes in machining. What, then, is the fundamental difference between them? It begins with the tools themselves. First, let’s examine the distinctions between the tools used for grinding and those used for cutting. The tool employed in grinding is a “grinding wheel,” whereas the tool for cutting is a “cutting tool.” The abrasive grains in the grinding wheel serve as the cutting edges, the bond acts as a matrix that holds these grains in place, and the pores provide space for chip evacuation.

High-precision grinding Grinding and cutting are both essential processes in machining. So, what exactly is the difference between them?

Different tools are used.

First, High-precision grinding The manufacturer explains the difference between tools used for grinding and those used for cutting. Tools for grinding are called “four‑wheel tools,” while tools for cutting are referred to as “cutting tools.”

The tip of the four‑wheel grinding tool, the bond of the four wheels serving as a retainer or abrasive belt to secure the tip, and the pores of the four wheels function as chip‑removal spaces.

 High-precision grinding

High-precision grinding Manufacturer’s insights into the characteristics of grinding

Compared with grinding, cutting involves distinct machining physics; therefore, when processing relatively soft and easily machinable materials, it can enable high-speed machining.

Furthermore, high-precision grinding manufacturers contend that, in order to better accommodate the grinding of complex workpiece geometries, the shapes that can be machined are subject to certain limitations.

High-precision grinding The manufacturer believes that grinding offers the following advantages:

The abrasive is harder than the workpiece. Mineral abrasives are much harder than metallic materials, enabling them to machine hard materials.

Abrasive grains are continuously generated. Once the tool tip becomes blunted, the tool must be replaced; in contrast, the grinding wheel, thanks to its self‑sharpening effect, can automatically produce fresh abrasive grains as the existing ones become dull.

Fast machining speed: With countless cutting edges engaging simultaneously, even with low feed rates, exceptionally high machining efficiency can be achieved.

Processing angle

When machining difficult-to-cut materials, the cutting angle varies, so grinding also offers distinct advantages!

Differences in Machinability of Difficult-to-Machine Materials

When machining difficult-to-machine materials, the two also exhibit the following distinct characteristics.

Therefore High-precision grinding Manufacturers believe that, in the field of machining, when dimensional accuracy, surface roughness requirements, material hardness, and machining difficulty are concerned, grinding is often preferred.

Today, mechanical methods are increasingly replacing manual processes for surface treatment of small and medium-sized workpieces, encompassing both metallic and non-metallic components. This has led to significant improvements in processing speed and higher standards for quality. The enhanced speed stems from the ability to perform large‑volume, high‑speed operations, while the improved quality ensures uniform luster across all surfaces of each part. Moreover, even more complex geometries can achieve consistent smoothness on both flat areas and recessed features.

In mechanical polishing and grinding, the primary equipment includes polishing machines such as centrifugal polishers, eddy‑current grinders, vibratory grinders, and magnetic‑field grinders. All of these devices effectively treat workpiece surfaces. By employing machine‑based polishing, we can reap numerous benefits; however, it is essential to make every effort to enhance both the efficiency and quality of the polishing process.

To ensure the polishing machine achieves optimal efficiency, selection is a critical factor. It involves choosing abrasives that are best suited to the workpiece’s material, shape, and specifications for surface finishing. In other words, prior to polishing, one must select materials—based on the characteristics of both the workpiece and the polishing tool—that deliver superior results when applied to the workpiece’s surface. The first decision to make is the type of abrasive. As the primary medium in surface‑finishing operations, selecting the appropriate polishing abrasive is a key determinant of the outcome. Next, before beginning the process, it is essential to establish a working procedure and plan, specifying the types of grinding fluids and polishing compounds to be used. Typically, surface polishing is carried out in three stages: rough polishing, fine polishing, and mirror polishing. The specifications and grades of abrasives, grinding fluids, and polishing agents must be carefully chosen. For rough polishing, use coarse‑grit abrasives tailored to the workpiece’s material and geometry; for achieving a fine sheen, employ fine‑grit abrasives; and for final polishing, utilize flat‑surface polishing tools and select suitable polishing compounds. With proper mechanical or manual application, these methods can yield excellent results.

Dongguan Fulin Machine Co., Ltd. specializes in wire EDM, high-precision grinding, slow-wire EDM, mechanical parts, multi-axis machining, CNC machining, five-axis machining, precision parts, non-standard parts, and general machining. The company boasts state-of-the-art production equipment and is equipped with advanced inspection instruments, such as coordinate measuring machines, microscopes, projectors, hardness testers, 3D measuring devices, and Swiss height gauges, ensuring the production and processing of high-precision products to meet customer requirements. To date, we have maintained successful long-term collaborations with numerous related enterprises, and our product quality has consistently earned customers’ recognition and praise. Our unwavering commitment is to put people first, excel through quality, foster unity and progress, and pursue continuous innovation—satisfying our customers by delivering superior quality, honoring precise delivery schedules, providing exceptional service, and ensuring customer satisfaction through systematic management.

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