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1. 发明授权

US07478468B2 Method for the production of a rim hole in hollow profiles 有权
标题翻译：在中空型材中生产轮辋孔的方法
公开(公告)号：US07478468B2
公开(公告)日：2009-01-20
申请号：US10563755
申请日：2004-06-30
申请人： Stephan Kuschel
发明人： Stephan Kuschel
IPC分类号： B23P11/00
CPC分类号： B21D39/04 , B60G2206/012 , B60G2206/10 , B60G2206/11 , B60G2206/60 , B60G2206/8102 , Y10T29/49631 , Y10T29/49908 , Y10T29/49917 , Y10T29/49925 , Y10T29/49927 , Y10T29/49947 , Y10T403/4966
摘要： In a method for the production of a rim hole in hollow profiles, a tubular piece is pushed into the hollow profile and placed there in such a way that it coaxially surrounds the location of the rim hole to be produced. The hollow profile is then acted upon from outside to inside at this location by a tool, with the rim hole being formed. In order to make possible a rim hole in hollow profiles in a relatively simple manner, this rim hole also satisfying high strength requirements even in the case of a small wall thickness of the hollow profile, it is proposed to first punch two opposite holes out of the hollow profile. At least one of these holes has a diameter which is smaller than that of the rim hole to be produced. The tubular piece is then inserted into the hollow profile interior, so that it comes to lie there coaxially to the common axis of the holes. The hollow profile material of the hollow profile section located between the hole edge and the inside of the tubular piece is then drawn into the hollow profile interior by at least one punch until it bears flat against the inside of the tubular piece.
摘要翻译：在用于在中空型材中制造边缘孔的方法中，将管状件推入中空型材并将其放置在其中，使得其同轴地围绕待生产的边缘孔的位置。然后通过工具在该位置从外部到内部作用中空型材，其中形成边缘孔。为了使中空型材中的轮辋孔以相对简单的方式成为可能，即使在中空轮廓的壁厚小的情况下，该轮辋孔也满足高强度要求，因此建议首先将两个相对的孔从中空型材。这些孔中的至少一个具有比要产生的边缘孔的直径小的直径。然后将管状件插入中空型材内部，使其与同一轴孔同轴。位于管状件的孔边缘和内部之间的中空型材部分的中空型材随后通过至少一个冲头拉入中空型材内部，直到其平坦地抵靠管状件的内部。

2. 发明申请

US20060248704A1 Method for the production of a rim hole in hollow profiles 有权
标题翻译：在中空型材中生产轮辋孔的方法
公开(公告)号：US20060248704A1
公开(公告)日：2006-11-09
申请号：US10563755
申请日：2004-06-30
申请人： Stephan Kuschel
发明人： Stephan Kuschel
IPC分类号： B23P11/00 , B21D47/01
CPC分类号： B21D39/04 , B60G2206/012 , B60G2206/10 , B60G2206/11 , B60G2206/60 , B60G2206/8102 , Y10T29/49631 , Y10T29/49908 , Y10T29/49917 , Y10T29/49925 , Y10T29/49927 , Y10T29/49947 , Y10T403/4966
摘要： The invention relates to a method for the production of a rim hole (20, 26, 30) in hollow profiles (1), a tubular piece (9) being pushed into the hollow profile (1) and being placed there in such a way that it coaxially surrounds the location of the rim hole (20, 26, 30) to be produced. The hollow profile (1) is then acted upon from outside to inside at this location by means of a tool, with the rim hole (20, 26, 30) being formed. In order to make possible a rim hole (20, 26, 30) in hollow profiles (1) in a relatively simple manner, this rim hole (20, 26, 30) also satisfying high strength requirements even in the case of a small wall thickness of the hollow profile (1), it is proposed that two opposite holes (8) first of all be punched out of the hollow profile (1), at least one of these holes (8) having a diameter which is smaller than that of the rim hole (20, 26, 30) to be produced, that the tubular piece (9) then be inserted into the hollow profile interior (17), so that it comes to lie there coaxially to the common axis (10) of the holes (8), and that the hollow profile material of the hollow profile section (18, 23, 29) located between the hole edge (12) and the inside (16) of the tubular piece (9) then be drawn into the hollow profile interior (17) by means of at least one punch (7, 13) until it bears flat against the inside (16) of the tubular piece (9).
摘要翻译：本发明涉及一种用于生产中空型材（1）中的边缘孔（20,26,30）的方法，将管状件（9）推入中空型材（1）中并以这种方式被放置在其中它同轴地围绕待生产的轮辋孔（20,26,30）的位置。中空型材（1）然后通过工具在该位置从外部到内部作用，其中形成有边缘孔（20,26,30）。为了使相对简单的中空型材（1）中的边缘孔（20,26,30）成为可能，即使在小壁的情况下，该边缘孔（20,26,30）也满足高强度要求中空型材（1）的厚度，建议首先将两个相对的孔（8）冲压出中空型材（1），这些孔（8）中的至少一个直径小于的所述边缘孔（20,26,30），所述管状件（9）然后被插入所述中空型材内部（17）中，使得其与所述共同轴线（10）同轴地位于所述共同轴线孔（8），并且位于管状件（9）的孔边缘（12）和内部（16）之间的中空型材部分（18,23,29）的中空型材材料然后被拉入中空轮廓内部（17），通过至少一个冲头（7,13）直到其平坦地抵靠在管状件（9）的内部（16）上。

3. 发明申请

US20070271979A1 Punch For Producing Holes In The Wall Of Hollow Parts Subjected To The Action Of Internal High Pressure 审中-公开
标题翻译：用于在内部高压作用的中空部分墙壁上产生孔的冲孔
公开(公告)号：US20070271979A1
公开(公告)日：2007-11-29
申请号：US10582476
申请日：2004-11-17
申请人： Stephan Kuschel , Frank Schmuck , Jens Schult
发明人： Stephan Kuschel , Frank Schmuck , Jens Schult
IPC分类号： B21D28/28
CPC分类号： B21D28/34 , B21D26/035 , B21D28/28
摘要： A punch designed for producing holes in the walls of hollow parts, the part being subjected to the action of high pressure in the interior by a medium during the punching. In particular when producing hollow parts by the internal high pressure forming process, it is normal practice, following the forming and with the part still located in the forming tool, to make holes in the wall. In order to avoid a drop in the internal high pressure when cutting through the wall of the part, the punch is designed so as to taper at an angle toward the cutting edge in its region plunging into the part to be punched. As a result, sealing of the hole occurs during the punching.
摘要翻译：用于在中空部件的壁上产生孔的冲头，该部件在冲压期间由介质在内部经受高压作用。特别是当通过内部高压成形工艺制造中空部件时，通常的做法是，在成形之后，并且部件仍然位于成形工具中，以在壁中形成孔。为了避免在穿过部件的壁部切割时内部高压的下降，冲头被设计成在其切入要冲压的部件的区域中朝向切削刃成一定角度的锥形。结果，在冲孔期间发生孔的密封。

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