Impregnated Diamond Tools

Impregnated diamond Tools are quite similar to that of Multipoint diamond Tools. In the Tools the crushed diamond grit in both Natural  and Synthetic grades are set in a several layers in random pattern. With this type of tool , the dressing work is carried out by several small diamonds which together result in excellent performance. To achieve good results , the diamond particles must have at least double the grinding wheel grain to be dressed. Tools with higher diamond content are more efficient in this case. These tools are more suitable for fine and sensitive grinding wheels where a lower surface finish is required
set the Grit Impregnated tool into the center of the grinding wheel so that tool face gets completely in contact with the wheel.
Depth of cut should not exceed more than 0.01-0.04 mm.
Use plenty of coolant to increase the tool life.
The mounting must be vibration free, with the clamping length as short as possible.
Grit Impregnated must be used with higher cross feed velocity rates than single point or blade dressing tools as their effective width is generally much greater.
Slower cross feed rates would lead to high overlap ratios and thus may blunt the grinding wheel.

Advantages of Impregnated tool
Dressing time is reduced as higher feed rates can be used. They are tougher and more resistance.
These tools can be used completely without any requirement of maintenance.
Extend wheel life by less stock removal per dressing. No resetting or re-lapping required.
These tools are inexpensive and easy to use.

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