2014年(57)
分类: 信息化
2014-05-21 17:26:47
Before each set , again, a new lubricating glass mat, and are not removed prior to the extrusion pressure to proceed to the next and yet it is impossible wool. Again, the use of glass as a lubricant lubricating pad bigger drawback is: making products into a solid glass surface is not clean, if you do not remove these contaminants, the product is not used. And decontamination occupational difficulties greater. Lubrication is suggested, aluminum and aluminum alloy extruded () time, and the wool may be compressed between the extrusion die of the extruder is set (secured) solid block of graphite pad or a combination of the scaly graphite.