Imported CNC lathe processing is to use imported CNC lathes to process our materials. For domestic lathes, it has its advantages. Compared with ordinary domestic machinery, the processing is more precise. Because the control system is more advanced, data control more accurate. There are some high-end technologies that our country has not fully mastered. One thing is that both imported and domestic machinery are the same, that is, there are many tools required for domestic and imported CNC lathe processing.
Imported CNC lathe processing includes diamond tools, tool arc detection devices, cutting fluids, chip collection devices, etc. The influencing factors of the diamond tool on the machining error include the shape of the arc, the radius of the arc and the edge ripple of the tool. Generally speaking, the diamond tool will be trimmed into an arc shape, and its arc radius and center will be detected by the tool detection device. Imported CNC lathe processing will input the detection result into the controller, and the tool arc radius compensation will be used for turning processing. If the arc of the tool is not a perfect circle or there is an error between the detected arc radius and the center, it will cause the shape error of the workpiece. The edge ripple will affect the surface roughness of the workpiece. When the tool arc center moves to the set cutting center point, it needs to be consistent with the position and height of the rotation axis of the workpiece spindle; if it is inconsistent, in addition to the machining shape error, there will also be residual bumps in the center of the workpiece (commonly known as the navel ).
When imported CNC lathes are processed, cutting fluid is often supplied to reduce the temperature of the cutting point and take away chips. In diamond turning, cutting fluid is mostly supplied by oil mist (cutting oil is sprayed with high-pressure air). Therefore, the angle of the nozzle and the flow and speed of oil and gas will affect the cooling and chip removal effect. The most common situation is that the chips accumulate on the diamond cutting edge and rub against the surface of the material to be cut, which has a great impact on the surface roughness of the workpiece. In order to avoid the situation of chip accumulation or even curling during the cutting process, a chip collecting device can be added. The principle of the chip collecting device is to use high pressure air to blow into the chip collecting pipe to make it generate a vacuum state. The use of the chip collecting device will disturb the air near the cutting point, and the chip collecting pipe will also vibrate due to the gas flow, which will cause the machine to vibrate and affect the surface roughness of the workpiece. Therefore, in addition to paying attention to the chip collecting effect when using the chip collecting device in the processing of imported CNC lathes, it is also necessary to pay attention to the influence caused by air disturbance and vibration.
Imported CNC lathe processing is a good description in the process of fixture design, in the method and process of production, processing and manufacturing; do not rely only on your own knowledge to judge, you must maintain the flexibility of other opinions. It is necessary to pay attention to the setting of the datum plane and the datum point, and to unify the front and back projects, and not to contradict each other. Therefore, the tools used have also changed accordingly. It should be considered that the positioning support must match the processing object and maintain sufficient rigidity. The design of the jig should be as simple and simple as possible; it should be designed from the user's standpoint; the operator's wasteful movements should be considered, and the operability of the manual mechanism should be improved. In order to complete the product better and reduce waste, we try our best to use tools to perfect our products.