| 摘要 |
A plastic welding machine, especially a hot air or hot wedge sealing machine, for connecting in a material fit at least two layers ( 38, 39; 43, 44; 48 - 50 ). The welding machine ( 1 ) comprises welding tools ( 7 ), at least one pair of driving rollers ( 8, 9 ) each, and an electronic control device ( 2 ) including a computer ( 3 ) for controlling the temperature of the welding tools ( 7 ) and for adjusting and regulating the pressure of the driving rollers ( 8, 9 ). A welding machine is provided wherein the welding process can be sequence-controlled substantially independently of the respective operator of the welding machine ( 1 ). For this purpose, the sequence control of the welding process is carried out without intervention of the operator only using a sequence program (welding program) stored in a memory ( 35 ) of the electronic control device ( 2 ). The entire area to be sealed of the two layers ( 38, 39; 43, 44; 48 - 50 ) is divided up into a plurality of welding sections ( 40 - 42; 45 - 47; 52 - 54 ) before the welding process is carried out. The (primary) welding parameters to be kept for every welding section ( 38, 39; 43, 44; 48 - 50 ), such as the temperature of the welding tool ( 7 ) or the welding medium, the rate of feed of the two or one of the two driving rollers ( 8, 9 ), the driving roller pressure, etc. are determined. The parameters corresponding to these adjustments are stored in a data memory ( 36 ) of the control device ( 2 ) to which the sequence control program gains access. |
