CNC vertical lathe is an efficient processing method that can achieve high-precision cutting in a short time. However, in actual operations, we often encounter the problem of cutting vibration, which will greatly affect the processing quality and efficiency. This article will introduce an effective method to reduce cutting vibration and improve processing efficiency and quality.
First of all, there are two main causes of cutting vibration. The first is the resonant vibration caused by the friction between the tool and the workpiece and the insufficient rigidity of the machine tool structure. The second is the non-resonant vibration caused by factors such as overcutting of the tool during the cutting process. For different causes of vibration, we can use different methods to solve them.
There are two solutions to the first problem. One is to use a specialized cutting force control system to make real-time adjustments for each processing situation so that the cutting force is always controlled within a stable range to avoid resonant vibration. Another method is to improve the rigidity of the machine tool, increase the mass and stiffness of the fuselage, and fundamentally reduce the source of vibration.
The solution to the second problem is more complicated and requires comprehensive analysis and adjustment based on different processing conditions. We can start from the following aspects:
1. Select appropriate tools and cutting parameters. For different processing materials and shapes, different tool shapes and materials need to be selected, and parameters such as cutting speed, feed amount, and cutting depth should be adjusted according to the specific conditions to avoid overcutting and excessive cutting force.
2. Optimize cutting paths and cutting methods. In programming, the cutting path must be reasonably arranged to avoid overly complex cutting shapes and frequent feeds, and reduce the chance of tool vibration. At the same time, the cutting method can be optimized, such as changing the cutting direction, using group cutting and other methods.
3. Increase the support and fixation of the tool. In terms of tool setting and installation, it is necessary to increase the support and fixation of the tool as much as possible to avoid excessive bending and vibration during the cutting process. You can choose to use equipment such as tool holders, feed slides, and tool holders to achieve a more stable cutting process.
4. Strengthen the flushing and cleaning of coolant. During the cutting process, the tool and workpiece will generate a lot of heat and debris. If they cannot be cleaned in time, the processing quality and tool life will be reduced. Therefore, it is necessary to ensure the flow rate and cleaning ability of the coolant and flush the cutting area in time.
To sum up, reducing cutting vibration requires comprehensive consideration of multiple factors such as tools, cutting parameters, and machine tool structure to find suitable processing methods and processes. Only by continuously summarizing and improving in practice can we truly improve processing efficiency and quality and meet market demand.
