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机械气动式拉网机mechanical pneumatic pulling machine

一．产品用途：product use

二．本产品主要用于丝印网版的控制，特别适合制作套色印刷网版，高精度的单双面电路版。This product is mainly used for control of half-tone screen printing,especcially suitable for making adjustment,high-precision screen double sided circuit.

三．产品特点：Product features

1. 本产品拉网夹头及框架全部采用专用铝合金型材制作，***受力后不变形。

This product pulling chuck and all adopt special aluminum alloy frame, ensure no deformation force.

1. 夹头采用全新设计的首锁网夹结构，高张力之后不滑网，不松脱。

Chuck adopt new design of the lock structure, high tension network clip, not after not slide loose.

1. 夹头可左右滑动，***张力均匀。

Chuck can guarantee slip, or even tension.

1. 单面拉网手轮通过齿链条同步传递动力，***单面夹头拉力同步。

Single pulling the handwheel through tooth synchronous transmission chain,ensure single-side chuck pull synchronization.

1. 顶网采用气动升降，灵活，可靠。

Top network using pneumatic elevation ,flexbility and reliability.

四．主要技术参数：main technology parameters:

       1.拉网面积：200-1500mm             pulling area:200*1500mm

       2.拉网尺寸：800*1200mm         Maximum pulling size:800*1200mm

       3.张力：﹥40N/cm                 Max tension:﹥40N/cm

       4.外形尺寸：1250*1500*760mm         Shape dimension: 1250*1500*760mm

5.重量：170KG                     weight:170KG

五．操作步骤：operation steps

(1)首先根据网框大小调节拉网的面积，然后将活动脚轮锁死

First, according to the regulation of net frame size, then pulling of locking casters activities

（2）选择合适的网框支架将其放在拉网机上。

Choosing appropriate nets box on the pulling on scaffolds

(3)调节手轮，使网框***之间的距离在5-6mm,以避免在拉网过程中由于网纱张力增大，网框顶住网纱而造成网纱的破裂。

Adjust the handwheel, make frames, the distance between the tip at 5-6mm, in order to avoid pulling the net yarn tension due process, gauze net frame resist rupture caused the gauze.

(4)拉平网纱，用网夹固定好网纱的边缘，再慢慢旋转机上四边的手轮，使网纱慢慢处于张紧状态，如此反复，直到网纱的各处张力致相等为止，张力的大小概括网纱的目数和质地而定，网张好后用张力计进行最终的检查，主意；网纱拉力不能一次拉到位，必须分开几次，比如：拉网力要求40N，先拉到150N，经过最少5分钟的停留后，才拉到20N如此反复拉网才可。

Homer, use gauze net clip fixed at the edge of the yarn tried again, slowly rotating machine shipping, gauze handwheel slowly in the tensioner, repeatedly, until the tension of gauze, the size of the tension is equal to the number of white gauze generalization and texture, and after a good network with the final tension meter, idea, Nets yarn tension can pull in place, must separate several times, for instance: pulling force required to 150N 40N, first, after at least 5 minutes before and after the stay, to 20N so repeatedly. Pulling

（5）手轮，使网框上升，注意网框均匀地接触网纱，然后在网框与网纱相接触的地方涂上藤黄胶，注意：必须等待胶干以后，方可将网框与网纱一同取下。

The handwheel, make net frame, note nets box, then equably catenary yarn in net frame with gauze of connection besmear gambogic glue, note: must wait, can be after the glue dry gauze net frame and together.

1. 绷网完以后，扳动换向阀，使手轮回到初始的位置，关闭电源

After the nets, stretch, throw reversing valves, make the initial position, close to power

1. 手轮；当手轮向左旋转时，网纱处于张紧状态，当手轮向右旋转时网纱处于松弛状态。

       The handwheel, When the handwheel left rotates, the nets yarn at a state, when the handwheel right when rotating gauze is flabby condition.

1. 活动脚轮；当要调节拉网机拉网的面积时先要松开活动脚轮，螺丝。

Electrically activities;. When should adjust pulling the area is pulling the machine to loosen the screw, casters activities.

1. 固定脚；整个拉网机的固定支撑。

Fixed foot, The pulling of fixing machines

1. 杯头螺丝；当要调节手轮在机架上的位置时，先要松开此螺丝，以便固定手轮。

Cup head screws, When should adjust the handwheel on the frame, the first to loosen the screw so that fixed the handwheel.

（6）机架frame

（7）网夹；在拉网纱时，用于固定网纱四边，以便使用网版达到。

Nets clip, When used in pulling the yarn, fixed, so use gauze net edition

1. 网框支撑架Net frame supporting frame
2. 万向把手，以便于调整好拉网机时，先松开四边上的万向把手，以便于调整好拉网机时，使气缸处于网框四边上对应中间位置，从而达到网框受力均匀平衡，调好后，再调紧此把手，注意：当在调整拉网机的拉网面积时，一定要先同时松开Ａ，Ｃ或Ｂ，D框对角的四个万向把手，调好再锁紧弯向把手。

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拉网机，单夹头拉网机，双夹头拉网