CN-122007974-A - Integrated composite cutter for machining specific modeling and machining method thereof

CN122007974ACN 122007974 ACN122007974 ACN 122007974ACN-122007974-A

Abstract

An integrated composite cutter for machining a specific shape and a machining method thereof relate to the field of machining cutters and comprise a cutter body, a main cutting edge part pre-embedded in the cutter body, an auxiliary forming part which is in smooth transition connection with the main cutting edge part and is positioned on the cutter body, and a cutter handle connecting part which is arranged at one end of the cutter body. According to the invention, the functions of the two independent cutters are integrated into the single cutter body, so that the machining efficiency is greatly improved, and the cost is obviously reduced.

Inventors

ZHANG WEIZHI
LI LIZHONG
LI DAN
LI QING
YANG LE
WEN QILIN
CHANG YU
CHU XUAN

Assignees

中信戴卡股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260402

Claims (12)

1. The integrated composite cutter for machining the specific modeling is characterized by comprising a cutter body (3), a main cutting edge part (2) pre-buried in the cutter body (3), an auxiliary forming part (1) which is in smooth transition connection with the main cutting edge part (2) and is positioned on the cutter body (3), and a cutter handle connecting part (4) which is arranged at one end of the cutter body (3).
2. The integrated composite tool for machining a specific shape according to claim 1, characterized in that the transition of the main cutting edge part (2) and the auxiliary forming part (1) is a rounded corner, the radius of which is R2mm.
3. The integrated composite tool for machining a specific form according to claim 1, characterized in that the rake angle of the main cutting edge part (2) is 15 °, the relief angle is 12 °, and the helix angle is 30 °.
4. The integrated composite tool for machining a specific shape according to claim 1, characterized in that the edge length of the main cutting edge part (2) is 35mm and the diameter is 12mm.
5. The integrated composite tool for machining a specific shape according to claim 1, characterized in that the forming profile tolerance of the auxiliary forming portion (1) is ±0.01mm.
6. The integrated composite tool for machining a specific shape according to claim 1, wherein the shank connecting portion (4) is a BT40 standard interface, and the runout precision is less than or equal to 0.005mm.
7. The integrated composite tool for machining specific shapes according to claim 1, characterized in that the tool body (3) is provided with double helical flutes.
8. The integrated composite tool for machining a specific shape according to claim 7, wherein the helix angles of the double helical flutes are 30 ° and 35 °, respectively.
9. A machining method using the integrated composite tool for machining a specific shape according to any one of claims 1 to 8, characterized by comprising the steps of: Clamping a handle connecting part (4) of the integrated composite cutter on a main shaft of a machining center; Fusing the rough machining track of the first independent cutter with the finishing track of the second independent cutter to design a continuous cutting profile; and according to the continuous cutting profile, controlling the integrated composite cutter to clamp the workpiece once to finish machining.
10. The method of claim 9, wherein the integrated force sensor monitors cutting force variations in real time during the machining process and automatically compensates for tool wear based on the monitored data.
11. The method of claim 9, wherein the cutting parameters during the machining process are 10000-15000rpm of spindle speed and 1500-2500mm/min of feed speed.
12. The method of claim 9, wherein the layering cutting strategy is used to form the profiled grooves of the aerospace component with a depth of cut of 0.2-0.5mm per layer.

Description

Integrated composite cutter for machining specific modeling and machining method thereof Technical Field The invention relates to the technical field of machining tools, in particular to an integrated composite tool for machining a specific model and a machining method thereof. Background In the field of machining, for a workpiece with a complex curved surface or a special structure (such as a machined model shown in fig. 3), a conventional machining method generally adopts a mode of machining by combining a plurality of tools (such as two independent tools a and b shown in fig. 1). The machining mode has the obvious defects of low efficiency, high cost, high purchasing, maintaining and managing cost of a plurality of cutters, limited precision, easiness in generating positioning errors for the plurality of times of clamping to influence the machining precision, complex process and the requirement for precisely coordinating the machining paths and time sequences of the plurality of cutters, and the requirement for repeated clamping and cutter changing to increase the auxiliary time. Disclosure of Invention In view of the above, the present invention aims to provide an integrated composite tool for processing a specific shape and a processing method thereof, which are suitable for replacing the conventional multi-tool combined processing mode, improving the processing efficiency and reducing the production cost. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: An integrated composite cutter for processing a specific model comprises a cutter body, a main cutting edge part pre-embedded in the cutter body, an auxiliary forming part which is in smooth transition connection with the main cutting edge part and is positioned on the cutter body, and a cutter handle connecting part which is arranged at one end of the cutter body. In some embodiments, the transition of the main cutting edge portion and the auxiliary shaping portion is rounded, with a radius of R2mm. In some embodiments, the rake angle of the main cutting edge portion is 15 °, the relief angle is 12 °, and the helix angle is 30 °. In some embodiments, the major cutting edge portion has an edge length of 35mm and a diameter of 12mm. In some embodiments, the secondary shaping has a shaping profile tolerance of ±0.01mm. In some embodiments, the shank coupling portion is a BT40 standard interface, with a runout accuracy of 0.005mm or less. In some embodiments, the cutter body is provided with double helical flutes. In some embodiments, the helix angles of the double helical flutes are 30 ° and 35 °, respectively. The machining method of the integrated composite cutter for machining the specific modeling comprises the following steps of clamping a cutter handle connecting part of the integrated composite cutter on a machining center main shaft, fusing a rough machining track of a first independent cutter with a finishing track of a second independent cutter to form a continuous cutting profile, and controlling the integrated composite cutter to clamp a workpiece for one time according to the continuous cutting profile to finish machining. In some embodiments, the integrated force sensor monitors cutting force variations in real time during machining and automatically compensates for tool wear based on the monitored data. In some embodiments, the cutting parameters during the machining process are spindle speed 10000-15000rpm and feed speed 1500-2500mm/min. In some embodiments, a layered cutting strategy is used to machine the profiled grooves of the aerospace component, each layer having a depth of cut of 0.2-0.5mm. According to the integrated composite cutter for processing the specific modeling and the processing method thereof, disclosed by the invention, the functions of two independent cutters are integrated into the single cutter body, so that the processing efficiency is greatly improved, and the cost is obviously reduced. Drawings The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings: Fig. 1 is a schematic view of a combination of multiple tools used in conventional machining. Fig. 2 is a schematic view of an integrated composite tool for machining a specific shape according to the present invention. FIG. 3 shows a workpiece with a complex curved surface or special structure according to an embodiment of the invention. Description of the reference numerals 1. An auxiliary forming part 2, a main cutting edge part 3, a cutter body 4 and a cutter handle connecting part. Detailed Description It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The technical solutions of the pre