Yonghong PLC application on the end of disc pressure

1 introduction the disc sole pressing machine is a kind of shoes machine, shoes machine industry is the sole secondary forming a processing equipment. The device is the shoes of semi-finished products sole pressing forming, a mold in the semi-finished products, through the hydraulic system of the pressure, according to different product selection pressure, tighten, secondary pressure, three times, and other functions, pressure to set a time and complete. Disc sole pressing machine widely used in shoes machine industry, automated processing production, can improve the work efficiency, convenient extension, has the very good application prospect. Disc sole pressing machine, as shown in picture as shown in figure 1. Figure 1 disc sole pressing machine system design scheme 2. 1 project background disk sole pressing machine on the market at present the use of control system for PLC controller + HMI or pure relay circuit; PLC controller of Siemens brand is most widely used, and panasonic; HMI brand is most widely used in control and dimensions. Due to yonghong economical price relative to other brands of PLC and HMI is higher, so yonghong economical PLC controller and HMI in the second molding machine application prospect is very good. Secondary scheme in table 2 - machine system 1. Table 2 - 1 two machine system scheme 2. 2 customer requirements according to customer's requirements, the bottom of the disc pressure machine for four stations ( An operation) Devices are separate systems, to work, and mutual interference, the operating position after press the start button, the location, the next station turn to operating a stop at the same time; Multiple modes optional: tighten, pressure side, second, after three times before the pressure, molding pressure, molding pressure, etc. ; I/O testing, convenient to check the fault. Disc - sole pressing machine specific functional requirements such as table 2 2. Request 1 4 bits are independent system, noninterference require multiple mode optional 2. Require 3 I/O testing, convenient view membership, read on.
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