CNC punch three terms of use

CNC punch press according to generate high and low failure frequency, throughout the life of the CNC punch can be divided into three stages, i.e., the failure of an initial use, and a relatively stable operation of the end of life.

One: The initial use of fault

After installation from the machine, runs during the six months to a year, a higher frequency of failure, no general rules can be found.

From a mechanical point of view, in this period, even after the host running the trial production, but the machined surface of the part, there are still micro and macro geometry deviations before running completely, but also the surface is rough; member assembly there is also the shape and position errors in the initial use of the machine may cause greater running wear, excessive clearance relative movement between the machine parts. Further, since the internal stress of the concrete foundation of new and yet stable equilibrium, so that the machine also have some dispersion in the accuracy. From an electrical point of view, and the CNC machine control system performs a large number of electronic components of power devices, these devices and components at the manufacturing plant and even after rigorous screening test machine processing machine, but in the actual operation, since the alternating load circuit and opening and closing transient shock "surge" current and a counter electromotive force or the like, so that some components can not afford the initial impact, due to current failure or breakdown voltage, resulting in failure of the entire apparatus. In general, during this period, electrical, hydraulic and pneumatic systems high failure rate, therefore, to strengthen the monitoring of machine tools, electromechanical machines regularly adjusted to ensure that the equipment in various operating parameters within specification.

Two: a relatively stable run

After a variety of equipment aging, mechanical parts of the grinding house electrical components and adjusting the initial stage, entered a relatively stable period of normal operation, when the failure of the organic rare various components, but does not exclude incidental failure, so during this period should adhere to make equipment run record, for future reference when troubleshooting. To adhere to the same time every six months to do a mechanical and electrical equipment integrated testing and checking. Within this period, the Electrical and Mechanical failure rate is small, and most can be ruled out. Relatively stable long run, usually 7 to 10 years.

Three: the end of life

After the machine into the end of life, various types of components began to accelerate wear and aging, the failure rate began to increase every year .. The nature of a fault and the gradual onset of organic. Aging of rubber parts such as wear, and the cylinder bushing, and a certain sensitivity limit switch contacts the electronic component starts to decrease the quality factor and the like, most gradual onset fault regularity in this period, similarly to adhere to good running recording equipment, failure occurred mostly can be excluded. Since the CNC punch press technology-intensive and knowledge-intensive equipment, therefore, its maintenance and so broken discretion, both conventional methods and means have expertise and detection means. Fault diagnosis often can not simply be considered from mechanical or electrical, but must be comprehensive analysis.

Details of the three above-mentioned time limit the use of CNC punch press.