Dalian University of Technology

Yan Bao

Renke Kang

Xianglong Zhu

Zhigang Dong

Yidan Wang

Shang Gao

Jiang Guo

Yongbo Xu

A combined grinding wheel for ultrasonic machining and the determine method thereof. The combined grinding wheel for ultrasonic machining comprises: an outer grinding ring, an upper end thereof having a center taper hole and a plurality of outer grinding ring water holes located in a circumferential outer side of the center taper hole; a connecting taper shank, the upper end thereof having a taper shank extending into an outer grinding ring cavity from the center taper hole and matching the tapered surface of the center taper hole; a connecting flange, located outside the shank portion and fixed on the inner wall of the upper end of the outer grinding ring cavity, and having a center tapered through hole; and an inner vibration unit, having a tapered surface matching the tapered surface of the center tapered through hole and a center hole connected with the connecting taper shank by means of a screw.

Combined grinding wheel for ultrasonic machining and design method therefor

A freezing support device and method for a large thin-walled part, which belongs to the technical field of machining support. The present invention realizes freezing support for a large thin-walled part by a freezing system and an auxiliary system, wherein the freezing system comprises a heating source, a freezing source, flexible films, support plates, etc., and the auxiliary system comprises a rotating device, a moving plate and guide rails. The present invention utilizes ice with a certain thickness formed on a support side of a machining area and supports a workpiece through the ice, and the ice is always used as a support along with the progress of machining to have an effect of follow-up support. The present invention simplifies a support structure, and has the advantages of low cost, no contamination to a machine tool, and convenient use; plays a function of clamping the workpiece.

Freezing support device and method for large thin-walled part

The present disclosure discloses an ultrasonic cutting holder for a honeycomb core, including a holder, a swing mechanism, a transducer, a first-stage amplitude transformer, a second-stage amplitude transformer, an ultrasonic cutting tool, and an ultrasonic power transmission mechanism. The present disclosure provides an ultrasonic cutting holder for a honeycomb core with large amplitude output capacity and considering the interchangeability requirements among different vibration systems, which solves the problem of the applicability of ultrasonic cutting holder on the universal machine tool and improves the automation level of ultrasonic cutting.

Ultrasonic cutting holder for honeycomb core

Growing community of inventors

Liaoning, China

Yan Bao