US 11,951,704 B2
Press device, press system, method for controlling press device, and motion creation device
Koyo Yamazaki, Ishikawa (JP)
Assigned to KOMATSU INDUSTRIES CORPORATION, Ishikawa (JP)
Appl. No. 17/292,143
Filed by KOMATSU INDUSTRIES CORPORATION, Kanazawa (JP)
PCT Filed Jan. 17, 2020, PCT No. PCT/JP2020/001520
§ 371(c)(1), (2) Date May 7, 2021,
PCT Pub. No. WO2020/166277, PCT Pub. Date Aug. 20, 2020.
Claims priority of application No. 2019-022924 (JP), filed on Feb. 12, 2019.
Prior Publication US 2021/0394477 A1, Dec. 23, 2021
Int. Cl. B30B 15/14 (2006.01); B30B 15/26 (2006.01); B30B 15/28 (2006.01)
CPC B30B 15/148 (2013.01) [B30B 15/26 (2013.01); B30B 15/28 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A press device for pressing a workpiece, comprising:
a slide configured to be movable;
a bolster placed facing the slide;
a servomotor configured to drive the slide; and
a control device including a processor and a storage, the control device being configured to execute selectively between
a first mode of setting a limit value of a press speed when performing a Pendulum motion or a reverse motion, the limit value being slower than a maximum press speed of the press device, and
a second mode of setting a first stop time to the servomotor without setting the limit value.