First, equipment overview
At present, there are a wide variety of wooden furniture products, large material consumption, and high technological requirements. In order to meet market demand, Kewei Company has introduced a dedicated PLC and a brand-new system dedicated to this type of automatic edge banding machine. Control plan. No need for redundant sensors, temperature-controlled meters and modules, cost savings, but also greatly improve efficiency, and control accuracy than the traditional automatic edge banding machine program. Give customers better control solutions with the best price/performance ratio.
Second, the system configuration
Third, the control system currently on the market commonly used programs and Kewei special PLC new program (a) common market solutions
The commonly used automatic edge banding machine in the market adopts a 7-inch touch screen, a 40-point general-purpose PLC for the host, a temperature module for temperature acquisition or a temperature control table (preheating of the plate can not be accurate temperature), and a time-delay control action for the cylinder matching sensor.
(II) Kewei Special PLC Program
Kewei PLC develops special PLC and program for automatic edge banding machine. The man-machine interface adopts Kewei touch screen HK-B070AX, the host adopts Kewei PLC HP-14M16R-2TC, adopts encoder to replace redundant sensors, and cylinder cooperates with encoder. Can be precise action.
Comparing the two schemes, the Kewei PLC main unit has two temperature inputs, which reduces the cost of the temperature module, and can realize the function of separately controlling the heating of the plastic pan and the preheating of the sheet. The internal optimization instruction combined with the encoder scheme greatly improves the accuracy, and Save on redundant sensor costs.
Fourth, function introduction
(a) interface introduction
The operating system supports multi-language mode, and the operation interface mainly includes "main control interface", "display interface", "parameter setting" and "debugging interface". The operator can control the "main control interface" simply and conveniently; The interface observes some indicators; "parameter setting" and "debugging interface" are only for debugging and use by the engineering personnel. The parameters can be directly debugged through the touch screen and the debugging is convenient.
(B) function introduction
This machine supports three stage speed operation modes, and the specific speed can be set; it can meet the functions of most models, including pre-milling, belt feeding, front-freezing, rough finishing, and scraping; it can control two ways. Heating: plastic heating and preheating of the board, both of which can reach precise temperature control effect; support low-temperature alarm and real-time status monitoring to ensure safe and stable operation of the equipment.
V. Summing up, Kewei has introduced a special-purpose PLC with two-channel temperature control. With regard to the edge-sealing machine industry, reasonable arrangements have been made to make full use of I/O points, optimize internal command algorithms, and introduce new encoder solutions, greatly improving accuracy and reducing failure rates. At the same time, the cost of redundant sensors is also eliminated, and the internal self-contained temperature control channel reacts more quickly than the traditional temperature control module through the communication connection, and the temperature acquisition is more real-time, which also saves the cost of the temperature control module.
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