Composite broach
A technology of spline broach and keyway broach, which is applied in the direction of broach, broaching machine, metal processing equipment, etc. It can solve the problems of broach breakage, heavy workload of workers, and high resistance, so as to prolong the service life and improve the cutting efficiency. efficiency effect
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Embodiment approach 1
[0022] A composite broach such as figure 1 figure 2 As shown, the composite broach of the first embodiment of the present invention, specifically the composite keyway broach, includes a tool handle 1 and a tool head 2, the tool handle 1 and the tool head 2 are formed into one piece, and the tool head 2 is integrally formed A plurality of cutting bodies 3 are provided, and each cutting body 3 has a cutting face 4, the back side of the cutting face 4 facing the cutting direction is the rear cutting face 5, and the side of the side of the cutting face 4 is the side Cutting surface 6, at least one cutting edge 8 is formed when the cutting surface 4 intersects with the rear cutting surface 5, at least one side cutting edge 9 is formed when the cutting surface 4 intersects with the side cutting surface 6, and at least one side cutting edge 9 is formed on the inner side of the cutting surface 4. The stepped composite cutting surface 11 and at least one stage of the composite side c...
Embodiment approach 2
[0025] A composite broach such as image 3 Figure 4 As shown, the composite broach of the second embodiment of the present invention, specifically a composite keyway broach, includes a tool handle 1 and a tool head 2, the tool handle 1 and the tool head 2 are formed into one piece, and the tool head 2 is integrally formed A plurality of cutting bodies 3 are provided, and each cutting body 3 has a cutting face 4, the back side of the cutting face 4 facing the cutting direction is the rear cutting face 5, and the side of the side of the cutting face 4 is the side Cutting surface 6, at least one cutting edge 8 is formed when the cutting surface 4 intersects with the rear cutting surface 5, at least one side cutting edge 9 is formed when the cutting surface 4 intersects with the side cutting surface 6, and at least one side cutting edge 9 is formed on the inner side of the cutting surface 4. The stepped composite cutting surface 11 and at least one stage of the composite side cu...
Embodiment approach 3
[0028] A composite broach such as Figure 5 Image 6 As shown, the composite broach of the third embodiment of the present invention, specifically a small-diameter centering rectangular spline composite broach, includes a tool handle 1 and a tool head 2, and the tool handle 1 and the tool head 2 are formed as a whole, The tool head 2 is integrally provided with a plurality of cutting tool bodies 3, and each cutting tool body 3 has a cutting surface 4, the back side of the cutting surface 4 facing the cutting direction is a rear cutting surface 5, and the side of the cutting surface 4 The surface of the cutting surface is a side cutting surface 6, the cutting surface 4 intersects with the rear cutting surface 5 to form at least one cutting edge 8, and the cutting surface 4 intersects the side cutting surface 6 to form at least one side cutting edge 9. The inner side of the cutting surface 4 is convex At least one level of stepped compound cutting surface 11 and at least one le...
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