Rotatable boring head

• Main Authors: XIANG DEGUI, HUANG WANLIANG, ZHANG GUANFU
• Format: Patent
• Language: English
• Published: 02.09.2015
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model discloses a rotatable boring head relates to pneumatic cylinder BTA field. A rotatable boring head, it includes the boring head body, boring head cover, supporting strip, sword box, thrust ball bearing, a deep groove ball bearing and the 2nd deep groove ball bearing. The internal portion's cavity of boring head, one end is direct to be connected with the boring bar, relative other end installation sword box, install thrust ball bearing on the boring head body for thrust when bearing boring head axial feed, still install a deep groove ball bearing and the 2nd deep groove ball bearing on the boring head body, it is spacing with the bush between a deep groove ball bearing and the 2nd deep groove ball bearing, be connected with between the 2nd deep groove ball bearing and the thrust ball bearing and keep off the ring. Boring head body externally mounted boring head cover adds and can follow work piece co-rotating man-hour, and the mounting support strip is put in to the boring head. The utility model is not only simple in structure, it is convenient to adjust, rotates steadily, and little, the use economy of frictional resistance is showing work piece precision and quality when having improved the BTA moreover.