For the purpose of achieving exceptional finishes and tight OD tolerances, centerless grinding is the usual process after CNC Swiss or CNC Turning of precision machined components.
We offer a full complement of grinding services to satisfy the varied needs of products: In-feed grinding, Through-feed grinding and End-feed grinding, Cylindrical grinding, and Honing. For creating the finest surface finish and micro-hardness, the burnishing process is one of the more advanced finishing techniques we use.
Parts produced by this type of machining are commonly found in aerospace, hydraulics, motion control, medical, and high-end electronic industries. Such as shafts, hydraulic valves, thread rods, pins, bushing, fasteners, and similar products.
Advantage of Centerless Grinding process
No room for deflection
Ability to grind brittle materials and distorted parts
The workpiece is rigidly supported by the regulating wheel, which presses it to the abrasive grains on the grinding wheel. It is well supported under the grinding cut and for the full length of the cut. Thus, there’s no room for deflection to occur in the process. This has also allowed heavier passes other than grinding between centers.
In centerless grinding, there is no axial thrust imposed on the workpiece during grinding which results in the ability to grind different sizes and geometrical figures. It is possible for the centerless grinder to grind long pieces of brittle materials, and even distorted parts, due to the absence of the end pressure.
Short loading time
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Grind large quantities
The short loading time allows for a continuous process compared to grinding between centers. As the name implies, there is no need to support the workpiece in the center. The workpiece goes directly into a “through-grinding” process. The work blade simply holds the workpiece in place and at the correct height, which is critical to achieving the desired diameter tolerance and roundness of the bar material.
Centerless grinding can essentially be used in working any size workpiece. Tools like gravity chutes, hopper feeders and magazines are used to adapt the mechanism to different part sizes.