A new type of diamond circular saw
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1. The thickness of the diamond abrasive cutting head formed on the periphery of the metal round substrate should be above 3.0 mm, and the outer diameter of the saw is 200-400 mm;
2. The left and right sides of the body are alternately slit. The width and depth of the grooving are both above 50% of the thickness of the body, and the thickness of the body is at least greater than the thickness of the circular substrate;
3. The grooving is formed perpendicular to the central portion of the circular substrate or radially inclined to the direction of rotation of the saw blade.
Production example: a mixture of cobalt-bronze powder copper powder fusion material and diamond abrasive in the outer circumference of a steel round substrate with a thickness of 3.2 mm and an outer diameter of 291 mm. The diamond abrasive body is fixed by a pressure sintering process. The cut design thickness is 4.8 mm. Grooves having a width of 2 mm and a depth of 2.4 mm were formed on the left and right sides of the body.
Cutting test: The diamond circular saw blade was mounted on a seat type automatic cutting machine rotating at 3000 rpm for wet cutting. The cutting shows that the chips are easy to discharge, the cutting property is good, the cutting speed can reach 1500mm/min, the cutting surface has no defects, the cutting processing precision is high, and the service life is about 600m continuous cutting. In short, the new diamond disc saw is used to cut hard and brittle materials such as stone and ceramics, and the cutting speed is fast, the cutting precision is high, and the service life is long. It is understood that diamond disc saws are commonly used in the cutting and processing of hard and brittle materials such as stone and ceramics. The saw is constructed by fixing a cutter head composed of a diamond abrasive and a metal powder fusion material on the outer edge of the metal round substrate. In order to effectively cut andugh materials with high hardness, various improvements have been made to diamond circular saws. For example, in order to make the diamond abrasive body cut sharply, reduce the hardness of the metal powder fusion material. Improve the self-sharpness of the abrasive, or reduce the contact between the cut body and the material to be cut in order to alleviate the resistance of the grinding body. Although these technical measures improve the cutting speed, the cutting body wear increases, resulting in a shortened service life of the diamond saw blade, and the cutting surface precision of the cut material is remarkably lowered, which often causes defective defects in the cut surface. The circular saw was made to make up for this defect.
