A Machining Method Constrained by Cutting Efficiency Constraining Tool Attitude
A processing method and tool technology, applied in metal processing, metal processing equipment, metal processing machinery parts, etc., to achieve the effects of short processing time, high processing efficiency and wide application range
Active Publication Date: 2019-01-29
HUAZHONG UNIV OF SCI & TECH
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[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a processing method in which the cutting performance constrains the tool posture, and by selecting the optimal cutting tool posture for calculating the cutting performance, the cutting tool suitable for spherical and non-spherical knives can be solved. Technical Issues in Attitude Optimization
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0042] This embodiment is the rough processing of the propeller model. The workpiece material is high manganese aluminum bronze; use SandvikR216.24-10050EAK22H 1620 coated solid carbide milling cutter (nominal helix angle 50°, diameter D=10mm, fillet radius 2mm, 4 cutting edges); layered The processing method, the depth of each cutting layer is 1.5mm, the spindle speed is 1500 rpm; the threshol...
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The invention belongs to the field of milling processing and manufacturing and discloses a processing method of a cutter orientation under cutting ability constraint. The processing method comprises the following steps of: (a) setting parameters in cutter processing and separately calculating the maximum cutting width of the cutter in different orientations; (b) calculating the maximum cutting force and cutting material volume when the cutter revolves a circle and then calculating the cutting ability; and (c) separately calculating the corresponding cutting abilities of the cutter in different orientations to determine the optimum cutter orientation and generating a corresponding processing cutting path, and processing a to-be-processed workpiece according to the processing cutting path under the optimum cutter orientation. By means of the method provided by the invention, a weakly rigid multi-shaft process system realizes high-efficiency processing under cutting ability constraint without adding assistant hardware equipment, so that the economical cost is lowered. The method is suitable for milling processing of a ball-end cutter and a non-ball-end cutter and is wide in application range.
Description
technical field [0001] The invention belongs to the field of milling processing and manufacturing, and more specifically relates to a processing method in which cutting efficiency constrains the attitude of a tool. Background technique [0002] Weak rigidity milling processing systems, such as robot milling systems, thin-walled parts such as integral propeller blades, and slender tools that must be used in deep cavity mold processing, etc., due to the action of cutting force during processing, the deflection generated by the processing system Bending deformation is a key factor affecting processing accuracy and efficiency. Deformation prediction and compensation are effective measures to improve processing accuracy. Reducing the deformation of the process system during processing is an effective way to improve processing efficiency. The method of reducing deformation is mainly There are two kinds, one is to improve the structure of the process system and enhance its rigidity...
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IPC IPC(8): B23C3/00B23Q15/00
CPCB23C3/00B23Q15/00
Inventor 彭芳瑜闫蓉朱泽润宋康李泽鹏李华张明豪
Owner HUAZHONG UNIV OF SCI & TECH