Threaded hole machining device for boring mill
The utility model relates to machining equipment, in particular to a threaded hole machining device for a boring mill and belongs to the technical field of machining. The threaded hole machining device is suitable for tapping the threaded hole on a large workpiece by various common boring mills. The...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
12.12.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model relates to machining equipment, in particular to a threaded hole machining device for a boring mill and belongs to the technical field of machining. The threaded hole machining device is suitable for tapping the threaded hole on a large workpiece by various common boring mills. The device comprises a boring mill main shaft and a machine screw tap which is connected with the boring mill main shaft; the device is characterized in that a cutter bar is arranged in the boring mill main shaft; the front end of the cutter bar is provided with a through groove and an opening; the cutter bar is connected with an end shaft through a pin, and a three jaw chuck is fixed at the other end of the end shaft through a bolt; and the screw tap is tightly fastened by the three jaw chuck through a transition sleeve. The device can machine the threaded hole by using simple production equipment, a cutter is convenient to assemble and disassemble during use, and the threaded hole machining device is suitable for ta |
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Bibliography: | Application Number: CN20122189491U |