Printing machine with a machine frame and at least two cylinders which cooperate during printing, and which are mounted in a framing formed by the machine frame. The bevel is formed by grinding in a longitudinal direction such that any tooling scars resulting from the grinding operation are likewise longitudinally oriented, further reducing the amount of surface tension in the tip, thereby leading to heightened dispensing accuracy. The lower surfaces of the leads are exposed at the back surface of the encapsulating resin located inwardly of the lower exposed surface of the leads to form external terminals. An avalanche multiplication factor MM is then calculated byMM=1+\u2147,with parameter slbv equal to the ordinate at the origin of the linear function, and parameter slbvbv equal to the slope of the linear function. The bearing is configured to seat within the mid shield and provide at least a portion of the engagement between the shaft and the mid shield. The nose pad is installed by passing through the insertion posts to the vertical through hole in the upper projection and fastening the ends of the insertion posts onto the positioning groove in the lower projection.