Mounted points are also called mounted point wheels, or mounted point grinding wheels. They are the critical grinding tools that are used in the grinding process. The shapes and the outer profiles of the mounted points vary from a very wide spectrum. They may be hollow, conical, long, short, cylindrical, flat, spherical, etc. The shapes and the profiles of the mounted points are based on the grinding demands.
Mounted points are used in general uses on surfaces and edges, and the emphasis on this is to keep the balance in between the abrasive performance and the lifespan of the tooling. For the surface grinding, the mounted points are designed to the lower loads, so the bond materials are comparatively hard since they are designed for a longer tooling lifespan. The use of mounted points in the surface grinding machines is so common that it is often stored in the tool magazine.
There are often automatic designs in the surface grinding. In industrial machining, an automatic surface grinder is also referred to as the auto surface grinder. This type of grinder is a very prevalent part in the entire machining process, with the utilization of mounting points being highly popular. Work pieces would undergo this process for further finishing after forming, cutting, as well as other complex processes.
Surface grinding is undertaken to produce a smooth, finished surface on either flat surface or other more sophisticated surfaces. It is a popular abrasive machining process whereby a spinning grinding wheel comes in contact with rough particles that cuts chips of metallic or nonmetallic substance from a work piece, resulting in a smooth or flat surface. As a matter of fact, surface grinding is one of the most widely used grinding processes among all counterparts.
To enhance the precision of grinding, CNC grinding is a finishing process which utilizes a rotational abrasive wheel to smooth the surface of metallic or non-metallic materials in order to yield optimum result by removing the impurities on the surface of the work piece using the computer numerical control mechanism that is generally referred to as the CNC processes. Although some surface grinder suppliers may not install the CNC technology on their grinders, they would develop their own control system such as PLC for the operation of their grinders instead.
Based on this premise, these processes will attain a desired surface for functional purposes that are planned and programmed by experts. In terms of the structure, a surface grinder is composed of an abrasive wheel, a hold device that holds the work piece, and a reciprocating table. During the grinding process, material to be machined is held in place while it is being grinded.
The clamping can be accomplished with one of the two methods: one is for the non-ferromagnetic and nonmetallic objects, which are clamped by either vacuum or other mechanical means; another is for the ferromagnetic objects, which are held in place using magnetic chucks. The clamping mechanism is crucial to the whole processing of automatic surface grinder, since only with the rigid positioning and clamp, can the work be achieved in ideal circumstances. And the use of the mounted points also is crucial to the entire processing procedure.
Besides the machinery variables such as spindle speeds, chuck and cylinder forces, power, and other machinery devices, there are still other critical factors that affect surface grinding quality of automatic surface grinder. There are the materials of the grinding wheels and the material of the work pieces that matter. Typically, work piece materials include aluminum, brass, steel, cast iron, mild steel, etc.
Regarding the materials, some of them are more stable and will not attach to the wheel during processing, while some are with different physical natures that would lead to corrosion that is not ideal for further application. On the other hand, with specific regard to the shape of grinding wheels, it could be of various forms as grinding wheels are not subject to an universal structure.
One thing that’s worth mentioning is that during surface grinding, the wheel shape will be affected by the reverse shape of the work piece, so that operators have to be mindful of the shape changes in order to make modification promptly onto the grinding wheels for the desired grinding to continue. Since surface grinders are machine tools utilized to provide precision ground surfaces, and the purpose could be of specific sizes.
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