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1. CN111741821 - CROWNING METHOD FOR PRESS BRAKE, AND PRESS BRAKE

Office
China
Application Number 201980013831.3
Application Date 14.02.2019
Publication Number 111741821
Publication Date 02.10.2020
Publication Kind A
IPC
B21D 5/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
02on press brakes without making use of clamping means
CPC
B21D 5/0272
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
02on press brakes without making use of clamping means
0272Deflection compensating means
B21D 5/006
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
006combined with measuring of bends
B21D 5/02
BPERFORMING OPERATIONS; TRANSPORTING
21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
5Bending sheet metal along straight lines, e.g. to form simple curves
02on press brakes without making use of clamping means
B30B 15/007
BPERFORMING OPERATIONS; TRANSPORTING
30PRESSES
BPRESSES IN GENERAL
15Details of, or accessories for, presses; Auxiliary measures in connection with pressing
007Means for maintaining the press table, the press platen or the press ram against tilting or deflection
B30B 15/04
BPERFORMING OPERATIONS; TRANSPORTING
30PRESSES
BPRESSES IN GENERAL
15Details of, or accessories for, presses; Auxiliary measures in connection with pressing
04Frames; Guides
Applicants AMADA HOLDINGS CO., LTD.
株式会社天田集团
Inventors SUZUKI TAISHI
铃木大志
MIURA KOUTAKU
三浦航拓
AOKI MAKOTO
青木诚
Agents 北京银龙知识产权代理有限公司 11243
北京银龙知识产权代理有限公司 11243
Priority Data 2018029752 22.02.2018 JP
Title
(EN) CROWNING METHOD FOR PRESS BRAKE, AND PRESS BRAKE
(ZH) 折弯机的凸起变形方法及折弯机
Abstract
(EN) Provided is a crowning method for a press brake that comprises: an upper table and a lower table, which vertically face each other; and first slits formed in both the left and right sides of the uppertable or the lower table and open in the left-right direction. The crowning method comprises performing a crowning adjustment by upwardly or downwardly deforming end sides of the lower portions or the upper portions of the first slits in the upper table or the lower table.
(ZH) 上下对置地具备上部加工台和下部加工台且在上述上部加工台或上述下部加工台的左右两侧具备向左右方向开口的第一狭缝的折弯机的凸起变形方法包括:使上述上部加工台或上述下部加工台的上述第一狭缝的下侧部分或上侧部分的端部侧向上方或下方变形,进行凸起变形调整。