摘要:
In order to create preconditions, in a web-fed rotary press, for good format variability of the printed products and economic utilization of the printing material, at least two printed pages of different heights are arranged in the circumferential direction on a form cylinder.
摘要:
A method of cross-cutting a moving web uses a cutting knife operably mounted on a knife cylinder having a circumferential distance LZ where LZ is smaller than a cut length, LA. The knife cylinder for revolving in a first and a second opposite direction is powered by a drive motor in either direction. The method includes revolving the knife cylinder in a first direction, cutting the web with the cutting knife, and completing a first cut. The knife cylinder is then reversed to retard progress in the first direction and then accelerated to the speed of the moving web until starting the second cut.
摘要翻译:切割移动幅材的方法使用可操作地安装在具有圆周距离L z Z的刀片滚筒上的切割刀,其中L ZZ小于切割长度L SUB>。 用于沿第一和第二相反方向旋转的刀片滚筒由驱动马达在任一方向上驱动。 该方法包括在第一方向上旋转刀筒,用切割刀切割网,并完成第一切割。 然后将刀筒反转以阻止在第一方向上的进展,然后加速到移动幅材的速度直到开始第二次切割。
摘要:
The invention relates to a DFB laser diode having a lateral coupling, which comprises at least one semi-conductor substrate (10), at least one active layer (40) that is arranged on the semiconductor substrate, at least one ridge (70) that is arranged above the active layer (40), at least one periodic surface structure (110) that is arranged next to the ridge (70) above the active layer (40) and at least one wave guide layer (30, 50) comprising a thickness ≧1 μm that is arranged below and/or above the active layer.
摘要:
In a method of making relief structures on mother-of-pearl layers removed from the shells of mollusks a portion of the layer is disposed on a negative mold having a relief shape formed therein, a modelling material is disposed on the layer portion and the layer portion is pressed into engagement with the negative mold by way of a planar stamp pressing onto the modelling material thereby relief-shaping the mother-of-pearl layer.
摘要:
The invention relates to a DFB laser diode having a lateral coupling, which comprises at least one semi-conductor substrate (10), at least one active layer (40) that is arranged on the semiconductor substrate, at least one ridge (70) that is arranged above the active layer (40), at least one periodic surface structure (110) that is arranged next to the ridge (70) above the active layer (40) and at least one wave guide layer (30, 50) comprising a thickness ≧1 μm that is arranged below and/or above the active layer.
摘要:
An automatically controlled cleaning system has a cleaning fluid reservoir with a feed of the cleaning fluid to the rotating bodies to be cleaned via a cleaning element for each body. Its serviceability can be monitored, in particular erroneously exceeding the critical quantity of cleaning agent per unit time during the cleaning of the rotating bodies of the press can be detected and countermeasures can be initiated, by constructing the cleaning reservoir as a pressure container which can be pressurized from a compressed-air source via an electronically drivable changeover valve V1, and by implementing each feed of the cleaning fluid to the rotating body by means of a fluid feed line in which there are installed at least one electronically driveable changeover valve V4 that controls the flow, and at least one further electronically driveable changeover valve V5 which controls the expulsion quantities and expulsion times of the cleaning fluid. A pressure sensor 6 arranged between the changeover valves V4 and V5, measures the line pressure and outputs signals to the control means. At least all the electronically drivable changeover valves V1, V4, V5 can be switched by the control means on the basis of a determinable operating program and monitored by a monitoring program communicating with the latter and incorporating the signals supplied by the pressure sensor 6, and at least one shut-down measure can be derived via the control means on the basis of the control result.