Device for assisting PDMS (Polydimethylsiloxane) surface crack growth by laser stress

The utility model belongs to the field of laser surface modification, and discloses a device for assisting PDMS (Polydimethylsiloxane) surface crack growth by laser stress. The device comprises a laser, a collimator, a dodging device, a reflector, a convex lens, a PDMS, an XY working platform, a motion control system and a computer. The computer is respectively connected with the laser and the motion control system; the motion control system is also connected with the XY working platform; the PDMS is arranged on the XY working platform and is clamped by a clamp of the XY working platform; the laser, the collimator, the dodging device, the reflector and the convex lens are sequentially located in a laser beam path emitted by the laser. Compared with the prior art, the machining quality is improved, and the machining efficiency is higher. 本实用新型属于激光表面改性领域，公开了一种激光应力辅助PDMS表面裂纹生长的装置。所述装置包括激光器、准直器、匀光器、反射镜、凸透镜、PDMS、XY工作平台、运动控制系统和计算机；所述计算机分别与激光器和运动控制系统连接；所述运动控制系统还与XY工作平台相连接；所述PDMS置于XY工作平台上面，并且由XY工作平台的夹具夹紧；所述激光器、准直器、匀光