REFERENCE POSITIONING METHOD OF ATC IN PRESS BRAKE AND PRESS BRAKE

To provide a reference positioning method of left and right ATCs arranged at upper and lower tables in a press brake, and the press brake.SOLUTION: Upper and lower tables 5U, 5L having metal mold attachment parts 9U, 9L are arranged so as to oppose each other in a vertical direction, upper and lower ATCs 13UL, 13UR, 13LL and 13LR for exchanging the attachment/detachment of metal molds P, D to/from the metal mold attachment parts 9U, 9L are arranged along the metal mold attachment parts 9U, 9L so as to be movable in left and right directions, metal mold holding members 15 of a pair of the left and right ATCs are made to individually abut on reference positioning members 17U, 17L arranged at left and right reference positions in the upper and lower tables 5U, 5L from left and right directions at a press brake having a pair of the left and right ATCs at the upper and lower ATCs 13UL, 13UR, 13LL and 13LR, and in the metal mold holding members 15, the left and right positions when the reference positioning members 17U, 17L abut thereon are set as the reference positions of the ATCs.SELECTED DRAWING: Figure 1 【課題】プレスブレーキにおける上下のテーブルに備えた左右のＡＴＣの基準位置出し方法及びプレスブレーキを提供する。【解決手段】金型装着部９Ｕ，９Ｌを備えた上下のテーブル５Ｕ，５Ｌを上下に対向して備え、前記金型装着部９Ｕ，９Ｌに対する金型Ｐ，Ｄの着脱交換を行う上下のＡＴＣ１３ＵＬ，１３ＵＲ，１３ＬＬ，１３ＬＲを前記金型装着部９Ｕ，９Ｌに沿って左右方向に移動自在に備え、かつ上下のＡＴＣ１３ＵＬ，１３ＵＲ，１３ＬＬ，１３ＬＲに、それぞれ左右一対のＡＴＣを備えたプレスブレーキにおいて、上下のテーブル５Ｕ，５Ｌにおける左右方向の基準位置に備えた基準出し部材１７Ｕ，１７Ｌに、左右一対のＡＴＣにおける金型保持部材１５を、左右方向から個別に当接し、前記金型保持部材１５が前記基準出し部材１７Ｕ，１７Ｌに当接したときの左右方向の位置を、各ＡＴＣにおける基準位置とする。【選択図】図１