Xiangjie bearing grinding knowledge

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The key factors that can improve the grinding wheel performance is a good tool for shaping and dressing (known as dressing) and skilled trimming techniques. In fact, a high quality dressing tools and skilled master o perator wheel dressing tips, you can always maintain the grinding wheel with high grinding performance. Rather than just relying on the purchase of the so-called good grinding wheel. This is important, because the plant can not per individual operation, equipped with a special wheel.bearing manufacturer

The dressing is a superhard abrasive grinding wheel abrasive grinding sharp process. In this process, the need to remove the grinding wheel abrasive grains of the abrasive between the binding agent and blunt, so that has a strong grinding performance of the grinding wheel abrasive grains projecting outside the binding agent, to form a sharp cutting edge. Dressing must remove tiny material from the pores of the grinding wheel surface, to prevent the grinding force acting on the grinding wheel increases, the grinding wheel on the grinding force increases, will cause vibration and burns caused by t he surface of the part.

Not appropriate dressing, even impossible to obtain the best wheel machined parts, high-quality and size consistency. In fact, when you invest in the quality of the grinding wheel, in order to obtain the high performance of the grinding, well trimmed them it is very important.

Plastic can be said is part of preparations for the grinding wheel, with ordinary grinding wheel dressing simultaneously. For the superabrasive grinding wheel, the two processes is carried out separately, firstly the shaping of the grinding wheel. Grinding wheel grinding, shaping is shaping tool or wheel, the dressing often use a ceramic binder grading rod, shaping is completed, the grinding wheel dressing.double row ball bearing

In before the grindstone include shaping and sharpening trimming ensure that the spindle bearings at a certain temperature (as is normally the grinding wheel state) is very important. This would avoid the abnormal wear of the damage part geometry, as well as the grinding wheel and dressing tool. For trimming tools must be handled with care, because it is generally hard, wear-resistant, but very brittle diamond material, minor collision caused by stress are very sensitive to minor cracks and broken.

Because diamond shaper is a tool to keep their very sharp. Trimming a blunt tool to trim the wheel surface will make the wheel blunting. Regular intervals in order to maintain a high-quality and sharp diamond dressing tools, 1/8 enclosure rotating single point or with cone tip trimming tools. The number of rotations trimmed situation to decide, based on experience, at least rotate once a day. Trimming chisel head and forming tools, it normally takes to rotate 180 ° before they are blunt manner.

Most cylindrical grinder parts and wheel in a horizontal line. The highest point is called the hig hest point of the wheel outer part cylindrical parts / wheel contact point diamond dressing tools should be as close parts / wheel contact point wheel dressing. For internal grinder with a grinding wheel, the diamond dressing tool is close to the highest point of the cylindrical grinding wheel (i.e., grinding hole parts / wheel contact point) to be trimmed, it is more important.

Take micro-trimming

Reduce trimming time, as if there is always a wish to choose bigger repair in addition to the depth of the temptation. This is a very wrong idea. You must select the most appropriate repair addition to the depth of the grinding wheel dressing. Choose too much repair in addition to the depth, will produce high cutting temperature, reducing the dresser life, but also will be useful grinding wheel thickness excision. The end result is to make both the dresser and grinding wheel damage counterproductive.

The optimum amount of the dressing by several re pair except, both to restore the wheel geometry, but also happens to produce a good grinding Fengren as a criterion.

The use of a single point dressing tool, should be inclined to the axis line of the 10-15o the angular contact the diameter direction of the wheel. This will enable a single point dressing tool to produce a sharpened role in the regular rotation. Multiple points of contact the dressing tool does not require tilt the angle. On the surface of the entire end face grinding wheel dressing tools instead.