1. Classification of flat sheet cutter
1) The flat sheet cutter is divided into electric cutters from the drive mode of the paper pushing mechanism (only the buttons can be pressed manually or the corresponding mechanism can be operated to control the motor or mechanical transmission mechanism to realize the paper pusher Positioning), program-controlled paper cutter (automatic positioning of the paper pusher through the program control system, and also the positioning method of the electric paper cutter) and an intelligent digital display paper cutter between two ways (through The control system is automatically roughly positioned, and then manually fine-tuned to achieve accurate positioning);
2) Program-controlled paper cutters are divided into stepper motor control, frequency conversion speed control, and AC servo control in terms of the control of paper pusher movement. Equipment consumables.
Stepper motor control and frequency conversion speed control method can reach ± ​​0.1mm on the positioning accuracy of the paper cutter pusher, and the speed can reach 8-14 meters / minute (the specific accuracy and speed are due to the manufacturer ’s use The control system and the selected electrical components will be quite different), but the noise of the stepper motor control mode is harsh when it is started, and it is not optimistic about the equipment consumables of many paper cutter manufacturers and paper cutter users.
The AC servo control method has a great qualitative and quantitative breakthrough in the positioning accuracy and speed of the paper cutter pusher than the frequency conversion speed control. The positioning accuracy can reach ± ​​0.025- ± 0.015mm and the paper pushing speed can reach 16-20 M / min (the accuracy and speed achieved will vary greatly depending on the control system used by the manufacturer and the electrical components selected).
3) From the operation interface (operation mode) of the program-controlled paper cutter, it is divided into three printing technologies: push-button, touch screen, button and touch screen dual mode.
The key-operated program-controlled paper cutter first appeared, which doubled the efficiency of the digital display cutter, improved the work efficiency for many users, created more wealth, and was popular with customers, but after the new technology came out In this way, the intuitive and simple operation can not be comparable with the touch screen operation method in the printing market. The touch screen operation mode can easily realize functions such as equal division, isometric, cycle size, calculator use and calculation result input program. The operation is simple and intuitive (the key operation mode requires a combination of several keys when performing certain functions. To achieve this, many customers consult the manufacturer for instructions after replacing the operator and unable to find the manual); there is a visual display of the status of the detection switch on each link of the machine on the screen, which provides great convenience for the removal of common faults For customers and manufacturers who use paper cutters, they save time and money on printing tools.
The dual mode of buttons and touch screen can be used in combination, which can meet the old habits of some operators. At the same time, it provides one more input method, which has relatively improved durability, but the interface designed by the paper cutter manufacturer in the touch screen operation mode and Under the condition that the operation menu is reasonable and the quality of the selected screen is stable and reliable, its significance is not great.
4) From the driving method of the paper pressing mechanism, it is divided into mechanical paper pressing and hydraulic paper pressing;
The hydraulic paper pressing method can more accurately guarantee the precision of the equal length tolerance of the cut material after cutting (commonly known as the accuracy of the upper and lower blades), especially when the cutting density is larger, the difference is particularly obvious. Therefore, with the advent of hydraulic paper-pressing paper cutters, mechanical paper-pressing paper cutters are no longer used by customers who require high cutting accuracy. The clutches of the paper pressing mechanism and the cutting mechanism are driven by hydraulic pressure, which is also called full hydraulic or dual hydraulic paper cutter printing technology. Full hydraulic or dual hydraulic paper cutters have greater cutting force, and have obvious advantages when cutting high-density cut objects. The clutch is not easy to slip and there is no need to frequently adjust the middle of the gap of the clutch to print.
5) According to the size display mode and the positioning of the paper pusher, it is divided into a digital display paper cutter and a program-controlled paper cutter. Same as the paper cutter) printing alliance.
6) From the width of the sheet width (maximum cutting width) of the flat sheet cutter, it is divided into a half-cut cutter (also called a half-open cutter) and a full-open cutter (full-sheet cutter) Wait, there are already many articles mentioned, I will not repeat the printing alliance. The high-end flat sheet cutter is not only reflected in the cutting accuracy, performance stability and the selection of materials, components and control systems, but also has multiple protections in safety, specifically embodied in two-hand differential protection and photoelectric protection. , Electronic knife locks and other equipment supplies.
2. Features of flat sheet cutter:
1) The cutting width is generally between 920mm-2200mm;
2) Comprehensive control involving machinery, electrical appliances, hydraulic pressure;
3) A large number of cutting objects can be cut;
4) The cutting precision of the cutting object is high;
5) The price varies from tens of thousands to hundreds of thousands of printing tools according to the size and configuration of the cutting format.
3. Cutting process of flat sheet cutter:
1) Position the accurate paper pusher according to the size of the paper being cut;
2) Make the paper that has been collided close to the front surface of the paper pusher and the side fence to position the paper;
3) The paper presser first lowers and presses the paper, then the cutter then falls and cuts the paper;
4) After cutting, the cutter leaves the paper stack and returns, and then the paper presser rises to reset the printing market.
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