- 型号:18745-03
- 数量:3
- 制造商: 厦门雄霸电子商务有限公司
- 有效期:2020/10/9 0:00:00
BENTLY 18745-03
BENTLY 18745-03
BENTLY 18745-03
1、操控要求
(1)初始状况
电动机M1和M2为OFF,电磁阀3YA和4YA为OFF,夹具处于松开状况,lYA和2YA为OFF,飞锯处于抬起状况,液压阀SYA为OFF,小车处于原始方位。
(2)发动操作
按下发动按钮,开端下列操作:
①电动机M2工作后M1工作,即飞锯旋转后再送入钢管。
②当钢管长度到达预订要求时(例如6m),电磁阀4YA为ON,夹具夹紧钢管,带动小车和飞锯一起向前工作。
③当小车工作到SQ1方位时,SQ1为ON,电磁阀lYA为OFF,下锯切开钢管,完结钢管切开时,SQS为ONo
④当小车到达SQ2方位时,SQ2为ON,一起lYA为OFF, 2YA为ON飞锯抬起,随后2YA为OFF o
⑤当到达SQ3的方位时, SQ3为ON,一起电磁阀4YA为OFF, 3YA为ON夹具松开。一起液压阀SYA为ON使小车回来到本来方位,随后3YA, SYA又康复为OFF。
⑥假如小车没有回来继续向前工作,当到达SQ4方位时,SQ4为ON,表明体系出现毛病发报出报警信号,一起整个体系中止在当时状况下。
⑦假如不是按着上述操控要求工作,都要发出报警信号中止工作。例如3YA,4YA一起为ON, 4YA, SYA一起为ON, S04为ON等。
(3)中止操作
按下中止键后,一切的输出均匀为OFF,中止操作。
3、依据上述操控要求,编制体系操控程序,调试并工作程序
四、编程练习
依据下面的两种操控要求分别编制自控飞锯体系的操控程序,并上机调试工作。
①操控要求同1、但增加每月切开钢管数的统计功用。
②选用2位拨码器输入,作为由外部设定钢管长度和数量进行切开。
③依据钢管传送的速度修正电磁阀4YA为ON的动作时刻,确保切开钢管长度的精度,编制程序。
提示:在刚管切开的过程中,切开钢管的长度会发生误差,其原因是因为电磁阀的动作速度是必定的,而电动机M1的工作速度是可变的,即钢管的传送速度是不定的,当M1工作的快就有必要确保电磁阀4YA为ON有一个提前量,而M1工作的慢,4YA为ON就应有一个推迟量,这样才干确保切开钢管长度的精度,减少误差。在编程时有必要考试这一要素。
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