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基于PLC的深孔钻床控制系统的优化设计
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Optimal Design of Deep Hole Drilling Control System Based on PLC
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    摘要:

    深孔钻床控制系统的钻孔过程采用分段进给的方法,但是在每次钻孔快退之后,下一次工进都会增加一段之前钻孔深度的无效行程,而且随着段数增加而增加,导致实际加工时间和能耗增加一倍,采用行程开关可以解决,但会极大增加钻床系统的复杂程度,并且对不同硬度的材质和钻孔深度效率很低。用PLC的相关指令编写具有计时功能的程序,设计新的控制系统,通过自动记录快退时间与工进安全余量行程所需时间的差值,用该时间设定定时器控制下一次快进的行程,可以很好地解决上述问题。实验调试结果表明:新系统完全满足控制要求,同时有效提高钻孔效率。

    Abstract:

    Segmented feeding method is used in drilling process of deep drilling control system,but after each drilling rewind,backlash before the drilling depth will be increased into the next period,and it is increased with increase of segments,causing actual processing time and energy consumption doubled.The stroke switch can be used to solve the problem,but it will greatly increase the complexity of the drilling system,and to materials with different hardness and different drilling depth,the process is inefficient.PLC related directives were used to write timing function programming,a new control system was designed.By automatically recording the difference of rewind time and working into the safety margin required travel time,timer was set to control the fast forward trip with the time difference,then the above problems were solved well.The experimental results show that:the new system fully meets the control requirements,and the drilling efficiency is effectively improved.

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引用本文

张海锋,高莉.基于PLC的深孔钻床控制系统的优化设计[J].机床与液压,2017,45(14):132-136.
. Optimal Design of Deep Hole Drilling Control System Based on PLC[J]. Machine Tool & Hydraulics,2017,45(14):132-136

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  • 在线发布日期: 2018-02-09
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