Web To Introduce Basic Knowledge Of Paper Machine Of The Paper Roll - To The Paper Machine, Paper

Roll type choice is based on the type of machine

, speed, automation, access ways of the decision paper. Roll paper holder according to the number of

Categories 1) single roll, a roll for a paper machine can. Etc. used in this paper roll after roll down the second, having a good roll after the paper by hand then, and then boot Print . This used up a roll for paper machine to be stopped every time the machine, which is generally used in the machine speed is not too high. In modern Gravure printing machine Generally no longer used.

2) pairs of rolls, one for paper machine rolls on the two simultaneously. One pair of rolls rotating arm can be divided into two paper form for paper, above a scroll first use, during use, the following roll bottles and stand-by. After ranking used a paper roll can be shut down manually or stop automatic splicing splicing. Take a good paper, the second working position paper roll to use, the original paper on the body to the first position on the paper, remove the old paper roll, roll to a new stand-by. A fixation on the two rolls, a fixation on the two rolls. The support of such a machine can not rotate, then spent a good roll in the tape, the use of lifting equipment to run out of surplus, under hanging paper core, and then install the new paper roll is a good lift. This paper is also the access to the machine can automatically take paper and hand-pick paper. Two separate roll, roll two separate. More than double the general roll of paper for two-way web Offset On. That is also printed two tapes, two rolls also available, so the two rolls is depleted, while the two roll down again. If the web with a single paper path Offset printing Machine, a roll, and another roll can Shanghao spare, to reduce the paper down on time and improve machine utilization.

3) three-roll, when a paper roll is about to run out, the paper planes will rotate at an angle to the second position rolls of paper into the automatic pick. When the first roll is used automatically when the access provisions of the size of paper, then paper, then turn an angle, the second roll to the right to use position, the first arm to handling roll paper roll location, remove the used End of paper core, and then loaded on a roll stand.

Rolls clamping means Web rolls mounted card holder can be divided into mandrel shaft mounted card and determined to install card two, according to degree of automation can be divided into manual and electric equipment cards in two ways.

1. A spindle paper planes With domestic JJ201 roll press, for example, wear a paper mandrel is threaded through one end of a long axis, its penetration ready to print the paper roll core air, top width according to the roll axis fixed to on the top card will be tight.

2. No spindle paper planes

Paper planes no mandrel is conical head with two clamping Roll, by adjusting the screw, together with the holder with a top axial movement of materials from both sides of the paper clamp.

by: gaga

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