PURPOSE:To elevate a productivity by providing a draft in a die hole and by pushing down a kicker pin at punching time with arranging a kicker pin penetrating the blade of upper die as well. CONSTITUTION:The die hole of a lower die 136 has a draft at the lower part and the outer ...
of the press die can be shortened.;SOLUTION: The shaft size of the punch 1 held by an upper die 5 with respect to the hole size of the punching die 3 embedded in a lower die 2 is set to be smaller than the dimension used for shearing, a sharp projection 1a capable of piercing 1...
PURPOSE:To prevent exactly a punching material of a thin plate from floating by providing a hard film on the lower circumferential wall which exceeds a punching stroke of a punch hole of a die, and reducing a sectional area, in a die of a metallic die. CONSTITUTION:In a press punching me...
Punch press, in particular for trimming and finsihing of the ends of a strip material for window fittings 1. Punching press, in particular for cutting to length and machining the ends of flat bar material for window fittings, with a hand-operated or motor-driven spindle for the lifting drive...
FIELD: plastic working of metals, possibly operations for finish working of forgings of double-end box nut wrenches.;SUBSTANCE: die set includes upper and ... JF Anisimov,AA Bogatov 被引量: 0发表: 2005年 Bead mold for metal gasket press progressive die PURPOSE:To allow the hole punching, ...
PRESS PUNCHING DIE
Punch press, in particular for trimming and finsihing of the ends of a strip material for window fittings 1. Punching press, in particular for cutting to length and machining the ends of flat bar material for window fittings, with a hand-operated or motor-driven spindle for the lifting drive...
PRESS PUNCHING DIE OF THIN PLATE 专利名称：PRESS PUNCHING DIE OF THIN PLATE 发明人：WATANABE TOSHIO 申请号：JP22137882 申请日：19821217 公开号：JPS59110431A 公开日：19840626 专利内容由知识产权出版社提供 摘要：PURPOSE:To prevent exactly a punching material of a thin plate from floating by providing...
THE PRESENT INVENTION CONCERNS A PROCESS FOR THE PRESSING OF A BLANK, AS WELL AS A PUNCH AND DIE PRESS FOR THE IMPLEMENTATION OF SAID PROCESS ALLOWING THE MANUFACTURE OF PRESSED PARTS WITH HIGH DIMENSIONAL PRECISION AND WITHOUT DEFECTS. THE PROCESS OF THE INVENTION INCLUDES THE STEPS OF PRESSING...
With the aid of multidomain modeling method, the vibration of a high-speed punching press was modeled and predicted, and the influence of the installation of foundation, as well as the shape and size parameters of the foundation on the v... T Xu,Q Xia,X Long,... - 《Shock & Vibratio...