The
CNC Machining process is a very delicate process, and a little carelessness will cause the product to fail. Therefore, we must pay great attention to the problems in the CNC
Machining process. Next, the CNC processing plant will briefly introduce the issues that need to be paid attention to in the CNC processing process.
(1) Confirm the machining content of the CNC machining center, confirm the installation base surface, machining base surface, machining allowance, etc. of the workpiece, and organize the machining process with the intention of giving full play to the power of the CNC machining center.
(2) For messy parts, because thermal deformation will occur during processing, internal stress will occur after quenching, and parts will be deformed after being clamped, so it is difficult to complete all the processes after one clamping. Can consider two or more clamping.
(3) The organization of processing procedures should be based on the principle of gradually increasing refinement. Firstly organize heavy cutting and rough machining, remove the machining allowance on the blank, and then organize the content that does not require high machining accuracy.
(4) Adopt a large-flow cooling method, in order to reduce the influence of a large amount of heat generated during processing on the machining accuracy, and to improve the durability of the tool, a large-flow cooling method must be actively adopted.
Confirmation of CNC processing plant road
The CNC lathe feed processing path refers to the path that the turning tool moves from the tool setting point (or the fixed origin of the machine tool) until it returns to this point and ends the processing program. It includes the path of cutting processing and the non-cutting of the tool cutting in and out Empty travel path.
The feed path for finishing is basically carried out along the general sequence of its parts. Therefore, the focus of the work to confirm the feed path is to confirm the feed path for rough machining and idle stroke.
In CNC lathe processing, the confirmation of the processing path generally follows the following guidelines.
① It should be able to ensure the accuracy and surface roughness of the workpiece to be processed.
② Make the processing path the shortest, reduce the idle stroke time, and increase the processing power.
③Simplify the workload of numerical calculation as much as possible and simplify the processing procedure.
④ For some repetitive procedures, subroutines should be used.
Advantages and disadvantages of CNC processing plants:
CNC machining has the following advantages:
① The number of tooling is greatly reduced, and there is no need for messy tooling to process messy-shaped parts. If you want to change the shape and size of the part, you only need to modify the part processing program, which is suitable for new product development and modification.
②The processing quality is stable, the processing accuracy is high, and the repeat accuracy is high. It is used to the processing requirements of aircraft.
③ The production power is higher in the case of multi-variety and small-batch production, which can reduce the time of production preparation, machine tool adjustment and process inspection, and the cutting time is reduced due to the use of the best cutting amount.
④It can process messy shapes that are difficult to process by conventional methods, and even process some unobservable processing parts.
The disadvantage of CNC machining is that the cost of machine tools is expensive and requires a relatively high level of repair personnel.
