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1. 发明公开

EP0330720A1 Hydrostatic dosing roller with visualization of the displacement by means of controlling hydrostatic pad for millesimal dosing 失效
标题翻译：流体静力定量给料辊，通过控制静液压载波以细计量的位移的指示。
公开(公告)号：EP0330720A1
公开(公告)日：1989-09-06
申请号：EP88103375.7
申请日：1988-03-04
申请人： RITRAMA SPA
发明人： Mosca Tenna, Giovanni, Dr. Ing.
IPC分类号： B65C9/22 , B05C11/02
CPC分类号： B05C1/0834 , B65C9/22
摘要： The cylinder (8) of the dosing roller rotates on eight hydrostatic pads (PR1) which are fed by eight fixed laminar resistots (R1), to assure absolute rotation and stiffness accuracy.
The adjustment of the distance of the dosing roller is performed by eight hydrostatic pads (PR2), four of which (PR2′) are fed by four fixed laminar resistors (R2) and four (PR2˝) are fed by two valves (V1, V2) which control the oil flow and allow an absolutely accurate millesimal displacement.
The visualization of the displacement is performed by two hydrostatic controlling pads (PC), which are fed by fixed laminar resistors (R3), which allow an accurate measurement by the survey of the pressure variation. It is possible then to vary the position of the support shaft (9) without any slack and consequently the distance of the dosing roller from the coating roller, providing the desidered dosing with absolute accuracy. The tolerances of the basic weight of the coated products are then drastically reduced in comparison to the traditional machines, with a remarkable saving of the production costs and an improvement of the quality of the finished products (figure 2).
摘要翻译：定量给料辊的圆筒（8）旋转八个它们由8个固定层resistots（R1）进料，以保证绝对旋转刚度和准确性静压衬垫（PR1）。定量给料辊的距离的调整由8个静压衬垫（PR2），其中四（PR2分钟）通过四个固定层的电阻（R2）和四（PR2秒）由两个阀被馈送被供给执行的（V1， V2）其中控制油流，并允许绝对准确千分之一的位移。位移的可视化是由两个静液压控制垫（PC），其由固定层的电阻（R3），其中由压力变化的调查允许精确测量供给进行。这是可能然后，以改变支承轴（9）的位置，而无需任何松弛，因而从涂布辊的定量给料辊的距离，提供desidered绝对精确给药。经涂覆的产品的基本重量的公差然后急剧相比于传统的机器减少，生产成本和改进上的成品的质量的（图2）显着的节省。

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