Method for processing hook type helical burr
A processing method and thread technology, which is applied in the field of hook thread processing, can solve problems such as programming difficulties and increase the probability of errors, and achieve the effect of reducing programming time and reducing programming workload
Active Publication Date: 2009-05-20
TIANJIN PIPE GROUP CORP
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Problems solved by technology
[0003] In addition, if the tooth type is a special tooth type, then the trajectory of each tool needs to be calculated separately, and the taper of each tool’s threading trajectory must be consistent, which brings a lot of difficulties to programming and increases the chance of errors. probability
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[0018] The hook thread processing method of the present invention will be described in conjunction with the accompanying drawings and embodiments.
[0019] The present invention is a special thread processing method, which changes the processing idea of thread trajectory translation adopted by the usual machine tool thread, but uses a specific calculation method to enable the system to automatically calculate the corresponding cutting trajectory of each knife, and For cutting.
[0020] Such as figure 1 , 2 Shown, the processing method of hook thread of the present invention, this method comprises the following steps:
[0021] ①. Input a set of calculation programs into the CNC machine tool in advance, and then when processing the hook thread, you only need to input the processing parameters of the last thread turning track, the cutting amount of each knife and the pre-executed retraction angle. The CNC machine tool Automatically calculate the trajectory of each knife acco...
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The invention provides a method for processing hook-shaped threads. The method comprises the following steps: through setting a set of calculation program in advance to be inputted to a numerical control machine tool, only a threading track in the last cut, the cutting engagement in each cut and a processing parameter of an retract angle executed in advance are required to be inputted when the hook-shaped thread is processed, and the numerical control machine can automatically calculate track in each cut according to the program; a variation value of the track in each cut in Z-axis direction of the numerical control machine and a variation value of the numerical control machine tool in X-axis direction form an angle A, wherein A is between B and C; and before the numerical control machine executes G command in the program, the numerical control machine is automatically calculated to obtain coordinates of the threading track in each cut. The invention has the advantages that the method changes different deviation angles in each cut according to different thread forms and corresponding side angles, thereby avoiding phenomena in the process of cutting special tooth shaped threads, such as uneven cutting amount in each cut, uneven stress on two sides of a cutting tool, even interference between a cutting route in each cut and the tooth shape and the like.
Description
technical field [0001] The invention relates to a thread processing method, in particular to a hook-shaped thread processing method, which facilitates the adjustment of corresponding processing parameters according to different processing conditions in actual production. Background technique [0002] Generally, the threading process route is manually calculated by technicians for the trajectory of the last knife. If N times of threading are required, it is necessary to calculate the corresponding trajectory of other N-1 knifes on this basis. Such a calculation method is relatively cumbersome, and is prone to omissions in actual operation. If the pre-programmed program cannot meet the actual processing needs on site, technicians must calculate and input additional wire trajectory on site. If the cutting amount of one of the knives needs to be changed, then the trajectories of all other knives need to be recalculated and set. [0003] In addition, if the tooth type is a spec...
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Login to View More IPC IPC(8): B23Q15/013G05B19/18
Inventor 史彬贾连彤董清陶毅
Owner TIANJIN PIPE GROUP CORP