Correct selection of cutting slices

High-speed resin cutting grinding wheel (hereinafter referred to as cutting blade) is widely used in many industries because of its high efficiency, convenience, economy and other special properties. But many people neglect to choose the cutting piece according to the situation they use. Henan Sanxiong Abrasives share with you some experience of correct selection and use of cutting pieces based on so many years of experience in the production and sales of cutting pieces.

I. Circumstances for the Use of Cutting Pieces

Firstly, it is selected according to the different occasions of using the cutting pieces. Cutting slices can be divided into cutting and polishing categories in terms of the way they are used. Most of the cutting machines are fixed movable. The power of the machine is divided into high power (>5.5KW) and low power (<3KW). There are also two kinds of cutting speed: high speed cutting (>80m/s) and ordinary cutting. In addition, the cutting materials are various, such as stainless steel, titanium alloy, ordinary steel, viscous metal, high carbon steel, non-metal and so on.  Different applications have different requirements for the performance of the cutting piece, so it is very important to choose the cutting piece reasonably. We should choose the cutting pieces according to the situation we use, which can increase the safety factor, improve work efficiency and reduce the cost of our use.

2. Choice of Cutting Slices Used in Common Cutting Machines

Ordinary cutting machine usually refers to a fixed cutting table, power < 3KW, speed of 2900 RPM cutting machine. Ordinary cutting machine usually cuts workpiece with diameter less than 50 mm. But because of the low cutting power, in order to reduce the radial friction resistance, we usually choose a 3.2 mm thickness cutting slice. In this way, the cutting piece is thinner and has a certain elasticity, and it will feel sharper when cutting. In order to reduce the lateral friction resistance, Sanxiong abrasive products change the surface contact into point contact, and lubricant is added to the formulation system, which can greatly reduce the friction heat generated during cutting and improve the durability and sharpness of the cutting pieces.

3. Selection of Cutting Slices for High Power Cutting Machines

High-power cutting machines usually use cutting table power greater than 5.5KW, speed up to 2800 rpm, cutting the larger diameter of the workpiece occasions. Because the cutting moment is large and the damage to the cutting piece is large, the cutting piece will be required to have a certain rigidity. We usually choose the 3.8mm thickness cutting piece. At the same time, because of the larger cutting diameter, the resistance of the cutting piece will increase, and the temperature of the cutting surface will be very high, so reducing the cutting temperature will be very important. If conditions permit, water should be added to cool the cutting. Experiments show that the durability of the cutting piece can be increased by 1.5-2 times if water cooling is added during cutting. But in some cases, there is no condition to add water to cool, so when auspicious Abrasives produce high-power cutting pieces, powder coolant will be added according to the formula in order to reduce the temperature of cutting and improve the service life of cutting pieces.