Main points of automatic flat die cutting machine

Fully automatic flat-bed die-cutting machine has been widely used in the packaging industry, but there is little information about its maintenance and maintenance. Now let me talk about my own experience based on my actual operation experience.

1. Italian dustproof and clean

The die-cutting machine produces a lot of waste paper edges and paper wool in the work. If you don't pay attention, it will enter the chain transmission part, the die-cutting part moving platform and some rotating and moving parts, and block the photoelectric detection head, etc. The cleaning of the body of the cutting machine must be given top priority.

2. Oil, refueling

The die-cutting machine must have good lubrication and cooling during high-speed operation (6000 sheets / hour). Be sure to choose high-quality motor oil (such as shell Omara 100) to protect the main transmission part of the die cutting machine. In addition, there is an intermittent mechanism box (intermittent mechanism of ternary protruding wheel) on the transmission side of the machine. The oil used here is more viscous (such as shell Omara 220). After the new machine starts to operate, the main transmission parts and the inter-mechanical box should be replaced after 3 months, and then it should be replaced once a year. The oil used in other parts is the same as the general printing machine, so I won't talk much about it here.

3. See troubleshooting

1) Mechanical failure: Fully automatic flat die cutting machine often has the problem of slanting of the moving platform, mostly caused by foreign objects falling into the die cutting place. Generally, first report the position of the wedge block under the moving shaft, and at the same time rotate the moving platform to the upper limit point, monitor its relative position with the upper static platform, and ensure that the four corners of the platform and the upper static platform (the place where the die cutting plate is clamped) Equal distance between them, so that the problem can be solved.

2) Electrical failure: Because the central control of the automatic die-cutting machine adopts PLC control, the main detection points, electrical switches and output actions are all commanded by the PLC, and its internal program is a ladder logic diagram. Maintenance personnel must first understand the ladder logic diagram, and then find the cause of the failure is simple.

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