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Four common folding principles

Tími: 2020-12-18 Hits: 19

Impact folding principle

Með hjálp lóðrétta leggja saman þríhyrning, leggja saman er fengin meðfram lengdarstefnu blaðsins. The movable folding knife extends out of the folding roller to fold the paper and push the paper between the two continuously rotating folding rollers 4 að þjappa og flytja brotinn pappír. Í safnrúlluna. Brjóta saman tæki sem framkvæmir leggja saman samkvæmt þessari meginreglu er kallað áhrif leggja saman vél. The impact folding machine has a simple structure and is suitable for high-speed printing, but the folding accuracy is slightly lower. 

 

timgPrinciple of Roll Folding

Pappírinn sem hefur verið klipptur til að brjóta saman er á folding roller 2 og framleiðsla Roller 1, og er tekið upp og snúið með tína pinna 4. Á tengilínu rúllunnar, teygjanlegt brjóta saman hníf 5 setur blaðið inn 3 inn í skarð rúllustigans 2. The clamping plates 6 Og 7 clamp it along the fold line and are taken away by the roller 2, and the folding knife is withdrawn from the fold line. Tæki sem notar brjóta saman hníf af einum roller og klemma diskinn á hinni roller til að ljúka leggja saman á hlutfallslega veltingur er kallað Roller leggja saman vél.

 

The scroll folding machine has high folding accuracy and high speed, og er almennt notað á vefnum book printing presses. Samkvæmt fjölda foldara lokið og gerð foldar, different numbers of folding rollers and folding schemes are used.

 

Principle of Knife Folding

Knife folding uses a folding knife 1 to press the paper 4 between two relatively rotating folding rollers 2, and then sends it out by the folding rollers to complete a folding process. The folded paper is taken away by the conveyor belt and enters the second and third folds.

 

Knife-style folding has high precision, the book signature is crease compacted, and the folding speed is slow due to the inertia of the folding knife.

 

Fence folding principle

The printed sheet 4 sent by the sheet feeding device passes through two rotating folding rollers 2 and is transported to the folding fence. When it hits the fence baffle 5, the printed sheet is forced to bend in half and fold into the middle of the folding roller 3. , Complete the folding, and then move the folded signature to the next folding fence, and use the same method to perform the second and third folds. After being sent to the delivery table, the folding work of a sticker is completed.

 

Impact type, roll folding type, knife type and fence type are four common folding methods, each of which has its own characteristics. Practice is important, but theoretical knowledge is the foundation and foundation of practice, and one of the two cannot be abandoned.