Heavy cutting numerically controlled lathe
A CNC lathe and powerful technology, applied in the field of CNC lathes, can solve the problems of low production efficiency, large machining allowance, damage to the machine tool, etc., and achieve the effect of improving productivity
Active Publication Date: 2009-10-28
NANJING CNC MACHINE TOOL
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AI Technical Summary
Problems solved by technology
Most of the current CNC lathes are equipped with tool holders on the carriage for cutting or equipped with upper and lower tool holders for simultaneous cutting. Some gang-type lathes are equipped with multiple tool holders on the carriage, but only one tool can be used for cutting. , The production efficiency is low. In addition, due to the limitation of the forming method, the blanks of some mechanical parts not only have a large machining allowance but also have a large eccentricity of the inner and outer circles. will damage the machine
Method used
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Embodiment Construction
[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] 1) Z-direction cross carriage B and related components
[0032] figure 1 Among them, four sliding guide rails are fixed on the bed A. The Z-direction cross carriage B can slide along the Z direction on the two guide rails on the upper part of the bed A.
[0033] Z-direction driving device H: It is composed of a servo motor 1, a pair of toothed pulleys 2, a toothed belt 3, and a ball screw 4. Its working principle is: the servo motor is driven by a pair of toothed pulleys 2 and a toothed belt 3 The ball screw 4 rotates, and then pushes the carriage back and forth along the Z direction through the ball screw nut fixed on the cross carriage B in the Z direction.
[0034] The Z-direction cross carriage B has four dovetail guide rails, three first X-direction carriages C, and one drilling center hole device E are arranged on the Z-direction cross carriage B, which...
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The invention discloses a heavy cutting numerically controlled lathe. A plurality of first X-direction lathe carriages and driving devices thereof are arranged on a Z-direction cross lathe carriage side by side by the lathe, first tool chuck seats with the same number are arranged on first X-direction lathe carriages respectively and are used for mounting cutting tool chucks, and the tool chucks are provided with turning tools for cutting excircles; the lower part of a lathe body is also provided with a Z-direction lower cross lathe carriage which is driven by a tail stock; and a second X-direction lathe carriage and a driving device thereof are arranged on the Z-direction lower cross lathe carriage, a plurality of second tool chuck seats are arranged on the second X-direction lathe carriage and are used for mounting the cutting tool chucks, and the tool chucks are provided with turning tools or parting tools for cutting end faces. When the lathe processes long-shaft parts with large offset, a plurality of tools can carry out heavy cut at the same time, thus the method remarkably improves the production rate, and is particularly applicable to mass production.
Description
technical field [0001] The invention relates to a machine tool, in particular to a numerically controlled lathe. Background technique [0002] CNC lathe is a high-precision, high-efficiency automatic machine tool. It has a wide range of processing, and can process straight cylinders, oblique cylinders, arcs and various threads. It has various compensation functions of linear interpolation and circular interpolation, and has played a good economic effect in the mass production of complex parts. Most of the current CNC lathes are equipped with tool holders on the carriage for cutting or equipped with upper and lower tool holders for simultaneous cutting. Some gang-type lathes are equipped with multiple tool holders on the carriage, but only one tool can be used for cutting. , The production efficiency is low. In addition, due to the limitation of the forming method, the blanks of some mechanical parts not only have a large machining allowance but also have a large eccentrici...
Claims
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Login to View More IPC IPC(8): B23B7/00B23B21/00B23B7/14
Inventor 宋紫薇谭永娣鲁昌荣赵义顺张爱华
Owner NANJING CNC MACHINE TOOL