Printing machine cydariform deflector roll

The utility model relates to a printing machine cydariform deflector roll. The utility model aims to provide a should be able to effectively improve printing product quality's printing machine cydariform deflector roll. Technical scheme is: printing machine cydariform deflector roll, rotationally the location is epaxial at the deflector roll, its characterized in that: this deflector roll has the middle part external diameter, and big and the both ends external diameter is little and whole outer periphery is smooth transition curved face's roll surface. Is the external diameter at this deflector roll middle part greater than the external diameter 5 at both ends 20mm. This deflector roll is the stainless steel deflector roll. 本实用新型涉及种印刷机鼓形导辊。目的是提供种应能有效提高印刷产品质量的印刷机鼓形导辊。技术方案是：印刷机鼓形导辊，可转动地定位在导辊轴上；其特征在于：该导辊具有中部外径大而两端外径小且整个外圆周面为光滑过渡弧面的辊面。该导辊中部的外径大于两端的外径5-20mm。该导辊为不锈钢导辊。