1.1 flat pressing and die cutting

平壓平模切采用平板刀模和平口的模切刀，在模切時(shí)刀片同時(shí)切穿整張瓦楞紙板，模切精度，使用面較廣，不干膠、卡紙、瓦楞紙板等材料都可以適用。

The flat die-cutting adopts a flat die-cutting knife with flat die and flat mouth. During die-cutting, the blade cuts through the whole corrugated board at the same time. The die-cutting precision is the highest and the application range is wide. The self-adhesive, cardboard, corrugated board and other materials can be applied.

平壓平模切機(jī)有立式半自動(dòng)模切機(jī)和臥式自動(dòng)模切機(jī)之分，立式模切設(shè)備結(jié)構(gòu)簡(jiǎn)單、維修方便、易于操作和更換模切壓痕版，但該工藝勞動(dòng)強(qiáng)度較大，生產(chǎn)效率低，每分鐘工作次數(shù)多為20次～30次，常用于小批量生產(chǎn)加工。

The flat die cutting machine can be divided into vertical semi-automatic die cutting machine and horizontal automatic die cutting machine. The vertical die cutting equipment has the advantages of simple structure, convenient maintenance, easy operation and replacement of die-cutting indentation plate, but the process has high labor intensity and low production efficiency. The working times per minute are mostly 20 ~ 30 times, which is commonly used in small batch production and processing.

臥式平壓平模壓機(jī)總體結(jié)構(gòu)與單張紙膠印機(jī)類似，整機(jī)由紙板自動(dòng)輸入系統(tǒng)、模壓部分、紙板輸出部分以及電氣控制、機(jī)械傳動(dòng)等部分組成，有的還帶有自動(dòng)清廢裝置，工作可靠，自動(dòng)化程度、生產(chǎn)效率高。

The overall structure of the horizontal flat die press is similar to that of the sheet fed offset press. The whole machine is composed of paperboard automatic input system, molding part, paperboard output part, electrical control, mechanical transmission and other parts. Some are also equipped with automatic waste removal devices, which are safe and reliable, with high automation and production efficiency.

1.2、圓壓平模切

1.2 circular flattening die cutting

采用了圓筒形的壓力滾筒代替壓板，一般壓切輥在上，模切版在下，模切時(shí)以“線接觸”方式進(jìn)行加工，使機(jī)器在模壓時(shí)所承受的壓力較小，而且分布均勻，因而機(jī)器的負(fù)載比較平穩(wěn)，可進(jìn)行較大幅面的模切，該方式適合多種材質(zhì)厚度不同的產(chǎn)品模切。但一般圓壓平模切均是?；剞D(zhuǎn)或一回轉(zhuǎn)、兩回轉(zhuǎn)為一個(gè)工作循環(huán)，因此效率低，目前使用較少。

A cylindrical pressure roller is used to replace the pressing plate. Generally, the pressure cutting roller is on the top and the die cutting plate is on the bottom. During die cutting, the machine is processed in the way of "line contact", so that the pressure borne by the machine during die pressing is small and evenly distributed. Therefore, the load of the machine is relatively stable and can be used for die cutting of large format. This method is suitable for die cutting of products with different material thickness. However, the general circular flattening die-cutting is to stop rotating or one or two rotating into a working cycle, so the efficiency is low and it is rarely used at present.

1.3、圓壓圓模切

1.3 circular die cutting

圓壓圓型模切機(jī)進(jìn)入我國已有20多年歷史，其模壓滾筒連續(xù)旋轉(zhuǎn)，因而其生產(chǎn)效率是各類模壓機(jī)中的，產(chǎn)品模切精度高，可控制在±1毫米，同時(shí)具有設(shè)備操作簡(jiǎn)單、可靠、設(shè)備使用時(shí)間長等優(yōu)點(diǎn)。就目前瓦楞紙箱印后加工的模切設(shè)備來說，圓壓圓模切已經(jīng)成為主流。

The circular die-cutting machine has entered China for more than 20 years. Its molding drum rotates continuously, so its production efficiency is the highest among all kinds of molding machines. The product die-cutting precision is high, which can be controlled within ± 1mm. At the same time, it has the advantages of simple equipment operation, safety and reliability, long equipment service time and so on. At present, for the die-cutting equipment for post press processing of corrugated boxes, circular die-cutting has become the mainstream.

其模壓版采用弧形木板、滾筒刀制作，對(duì)模切刀的強(qiáng)度要求較高，刀模的制作難度及成本大，適合批量較大的生產(chǎn)加工。圓壓圓的模切方式，一般分為硬切法和軟切法兩種。主要區(qū)別在于壓切滾筒的材質(zhì)一種是硬質(zhì)的鋼輥，一種為軟質(zhì)的塑膠。

The die plate is made of arc-shaped wood board and roller knife, which has high requirements for the strength of die-cutting knife, and the manufacturing difficulty and cost of knife die are large. It is suitable for mass production and processing. The die-cutting method of circular pressing is generally divided into hard cutting method and soft cutting method. The main difference is that the material of the press cutting roller is hard steel roller and soft plastic roller.

硬切法是指模切時(shí)模切刀與壓力滾筒表面硬性接觸，因而模切刀較容易磨損、卷刃。軟切法是在壓切滾筒的表面覆蓋一層工程塑料，模切時(shí)，切刀可有一定的切入量，這樣既可保擴(kuò)切刀，又能保證完全切斷，但需定期更換塑料層，否則會(huì)因?yàn)榫€速度不一致導(dǎo)致模切尺寸不準(zhǔn)確。

Hard cutting method refers to the hard contact between the die-cutting knife and the surface of the pressure drum during die-cutting, so the die-cutting knife is easy to wear and roll. The soft cutting method is to cover the surface of the pressure cutting drum with a layer of engineering plastic. During die cutting, the cutter can have a certain cutting amount, which can not only ensure the expansion of the cutter, but also ensure complete cutting. However, the plastic layer needs to be replaced regularly, otherwise the die cutting size will be inaccurate due to inconsistent linear speed.

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