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Study of a recessless screw and a piezo electric screwdriver

机译:无凹头螺丝和压电螺丝刀的研究

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摘要

Screw's are very widely used in a variety of machines because of their ease of use and very high joint force. However, the cross- or minus- shaped recess on the head of a screw causes a lot of problems. First, the recess can make a machine less aesthetically pleasing. Second, many screwdrivers of different diameter have to be available. Third, if the recess is damaged by a screwdriver, it becomes difficult or impossible to tighten or loosen the screw. In order to solve these problems, this paper proposes the recessless screws. The proposed screwdriver uses piezo electric cells to rotate recessless screws. The piezo-electric cells vibrate at ultrasonic frequency, and the vibration generates tightening torque. The principle of the proposed screwdriver is examined by experiments.
机译:螺丝由于易于使用且具有很高的接合力而被广泛用于各种机器。但是,螺钉头上的十字形或负形凹口会引起很多问题。首先,凹部可使机器在美学上不那么令人愉悦。其次,必须提供许多不同直径的螺丝起子。第三,如果凹口被螺丝刀损坏,则很难或不可能拧紧或松开螺钉。为了解决这些问题,本文提出了无槽螺丝。提出的螺丝刀使用压电电池旋转无槽螺丝。压电单元以超声频率振动,并且该振动产生紧固扭矩。提出的螺丝起子的原理已通过实验进行了检验。

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