如何更换点胶机的胶管

 在更换胶管时,注意不要把空气引入到胶体通道中。如果胶管中有空气残留,而你又确定空气没有通过胶管进入灌胶泵中,则请按下列步骤更换胶管:

1.关闭点胶机。打开门,从胶管上卸下冷却套(如果有冷却套);

2.卸下气压头;

3.拆除胶管。请确认 90° 的弯管配件还附着在灌胶阀上(如果有弯管配件);

4.胶管卸下后,灌胶阀锁定转接头底部会产生一小段空腔。请使用旧胶管中的胶体填充这段空腔,并检查锁定转接头中是否存在气泡。如果有气泡,请使用新的胶管填充这段空腔,并检查新的胶管是否存在气泡。如果有气泡存在的话,请使用另一个胶管;

5.卸下新胶管的盖帽;

6.保持胶管末端向下,让胶体完全地填满胶管底部;

7.连接胶管和灌胶阀锁定转接头,如果胶体溢出到配件外,请擦拭干净;

8.重新安装气压头;

9.重新安装胶管冷却套(如果有冷却套);

10.关闭点胶机门;

11.重新启动设备;

12.针对灌胶系统:排胶要有足够时间,使新胶管中的胶体顺利流出灌胶头,确认灌胶阀的压力和速度按照理想状态设定。然后测定胶体流速,直至连续两次测量结果的误差在正负 2% 范围以内。

 如果存以下述情况,建议不要使用简易的胶管更换方法:点胶机在运行过程中,胶管中胶材已经用完。该情况下灌胶阀中很可能有空气存在。胶管中的胶材已经超过了使用期限。



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