| 摘要 |
A method for joining together two or several overlaying sheet formed members(10,11), metal or non-metal, at which a coaxial arrangement of a punch(12) ,a die(9) and an anvil(Y) are caused to cooperate by means of their relative movements. The punch(12) (or die 9) is caused by means of applied forces to carry out a first movement in a first direction coaxially towards said die(9) (or punch 12) to a first predetermined relative position between punch and die which is independent of the thickness of or number of the sheet-formed members(10,11). Thereafter the anvil(y) is caused by means of applied fomces to move in the opposite direction coaxially towards a second relative postion between the anvil(Y) and the die(9) (or punch 12) which position is also independent of the thickness of or the number of the sheet-formed members(10,11). The anvil(Y) is axially blocked in said second relative positon and said punch(12) (or die 9) is caused by means of applied forces to carry out a second movement in said first direction coaxially towards said anvil(Y) to a third relative position between the anvil(Y) and the punch(12) (or die 9) which is dependent on the applied forces, the thickness, the number and the material of the sheet-formed members(10,11). |
