Ultra-thin diamond cutting wheel needs attention in the operation

The diamond ultra-thin cutting wheel is mainly used for precision grooving and cutting. Generally, the deep-cut slow-feed grinding method is adopted. The utility model has the advantages of large grinding depth, small feed speed, large contact area between the grinding wheel and the workpiece, narrow slit, high metal removal rate, high grinding precision, good processing surface quality and high material utilization rate. The general rules are as follows:

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1). The overall cutting wheel is thin (more than 0.5mm), small in outer diameter (20-100mm), fine in size, high in dimensional and shape accuracy, light in weight, and generally used under high speed conditions. The general speed is 5000-40000 rpm.

2). The base type cutting grinding wheel is mostly thick (0.5-2mm), large in diameter (100-200mm), coarse in grain size and low in precision. It is generally used under the condition of lower rotation speed and large depth of cut. The general speed is 3000-10000 rpm.

3). The ultra-thin cutting wheel uses fine particle size, and generally the thinner the thickness of the abrasive, the finer the grain size will be, and the surface quality is good. However, the finer the abrasive grain size, the corresponding cutting sharpness decreases, and the feed rate is correspondingly reduced to accommodate the machinability of the abrasive grain size.

4). The cutting depth of the ultra-thin cutting wheel is generally determined by the user according to the cutting part. Most of the cutting is performed by the slow-feed grinding process, and the depth is cut once. In this way, since the cutting wheel is thin and the cutting conditions are poor (the three sides are in contact with the workpiece), it is difficult to dissipate heat, so it is necessary to increase (flow, pressure) cooling of the cutting zone.

5). When the cutting wheel is used at the user's place just after the machine is used, it is recommended to increase the cutting speed or reduce the feed rate. When it is used for a period of time, it is recommended to use it when it is cut or collapsed. The appropriate particle size of the oil stone is used to sharpen the surface of the grinding wheel to adjust its sharpness.

6). The surface quality and cutting performance of the workpiece are mainly related to the abrasive grain size of the ultra-thin cutting wheel. The finer the particle size, the better the surface finish. At the same time, it is also related to the workpiece material, hardness, cutting amount, machine tool conditions, processing requirements and other factors.

7) The ultra-thin cutting wheel has been shaped and edged before leaving the factory, and can be used directly by the user. If the user needs further shaping, it is recommended to use green silicon carbide or white corundum whetstone. The size of the cutting wheel is 1-2. If the user needs to further sharpen or use a section of the blade, it is recommended to use green silicon carbide or white corundum. Whetstone, the size of the cutting wheel is fine 1-2 numbers or the same number.

8) The cutting amount is generally related to the material to be processed, hardness, precision, processing requirements, etc. It is recommended to use it under the original conditions of the user when using it for the first time. Do not change the cutting amount easily.

9) The user's use condition is also the main factor affecting the cutting performance. In particular, the spindle axial movement, radial runout, flange parallelism and dynamic balance accuracy of the machine tool directly affect the cutting precision of the cutting wheel.

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Precautions for use:

1. Please check carefully before installing the cutting wheel to confirm whether the cutting wheel has deformation, cracks, and collapse.

2. When the flange is too small or the precision is poor, the cutting wheel is easily damaged. Please use it after improvement.

3. When the cutting wheel is marked with the direction of rotation, it must be in the same direction as the machine tool. On the contrary, the cutting is not sharp and it is difficult to perform the performance of the cutting wheel.

4. If a cutting wheel that does not match the cut workpiece is used, it is prone to abnormal wear, poor sharpness, abnormal heat, and the like.

5. If abnormalities are found during the cutting process, stop immediately.

6. When the cutting is not sharp, the grinding wheel should be trimmed. If it continues to be used, it will cause overheating and overloading and damage the grinding wheel.

7. In the grinding wheel rotation, it is strictly forbidden to cut by hand, and the grinding wheel cannot be touched by hand or body.

8. The cutting wheel is strictly prohibited for operations other than grooving or cutting, to avoid abnormalities due to uneven force.