Milling cutter for cutting groove
A milling cutter and groove technology, applied in milling cutters, milling machine equipment, manufacturing tools, etc., can solve problems such as easy breakage and affect processing production efficiency, reduce maintenance costs and production costs, and shorten intermediate repairs. process, cost reduction effect
Active Publication Date: 2017-08-08
玛珀(上海)精密刀具有限公司
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Problems solved by technology
[0003] The milling cutter generally includes a cylindrical main body and cutting pieces distributed on the circumference of the main body. The cutting piece is a diamond composite piece, and the cutting piece is welded to the main body. In order to cut grooves, the overhanging length of the cutting piece is generally The overhang length refers to the distance between the outermost end of the cutting piece and the outer wall of the main body, and the engine cylinder has a certain depth, so the entire milling cutter will also have a certain length in its axial direction, and at the same time Because the diameter of the inner cavity of the cylinder is larger, in order to match the inner cavity of the cylinder, the diameter of the main body will be increased accordingly. When the machine tool spindle drives the main body to rotate at high speed, a large centrifugal force will be generated, and the cutting blade During the high-speed rotation of the main body, it will be subject to greater frictional resistance, so it is prone to breakage. At this time, it is necessary to disassemble the entire main body and then repair the cutting piece, which will affect the processing efficiency.
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[0035] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0036] A milling cutter for cutting grooves, see figure 1 As shown, it includes a cylindrical cutter body 1, and a connecting portion 17 is integrally formed at one end of the cutter body 1. The connecting portion 17 is used to connect with the main shaft or fixture of an external machine tool, so that it can be driven by the rotating main shaft or fixture The cutter body 1 rotates at a high speed around its own central axis.
[0037] In the center of the cutter body 1, there is a weight-reducing hole 16 coaxial with its central axis. The weight-reducing hole 16 runs through an end surface of the cutter body 1 away from the connecting portion 17, and a closed piece is welded at the end surface of the cutter body 1. The cover plate 18 for the lightening hole 16.
[0038] refer to figure 2As shown, in order to assemble the cutting piece 21, five installatio...
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The invention discloses a milling cutter for cutting a groove. The milling cutter comprises a cutter body and at least one cutter set arranged on the outer wall of the cuter body. The cutter set comprises at least one cutting piece, and further comprises a cutter clamp detachably connected with the cutter body. The cutting piece is fixedly connected to the cutter clamp. The cutter clamp is connected to the cutter body in a sliding mode in the axial direction of the cutter body. The cutter clamp is provided with a kidney-shaped hole. A thread is arranged in the kidney-shaped hole in a penetrating mode to be connected to a locking screw of the cutter body. According to the milling cutter for cutting the groove, the corresponding cutter clamp can be replaced, the repair efficiency is improved, and the production cost is reduced.
Description
technical field [0001] The present invention relates to cutting tools, in particular to a milling cutter for cutting grooves. Background technique [0002] In the manufacturing process of the engine block, in order to assemble other parts, it is necessary to cut some necessary grooves inside the engine block, and milling cutters are generally used when cutting these grooves. [0003] The milling cutter generally includes a cylindrical main body and cutting pieces distributed on the circumference of the main body. The cutting piece is a diamond composite piece, and the cutting piece is welded to the main body. In order to cut grooves, the overhanging length of the cutting piece is generally The overhang length refers to the distance between the outermost end of the cutting piece and the outer wall of the main body, and the engine cylinder has a certain depth, so the entire milling cutter will also have a certain length in its axial direction, and at the same time Because the...
Claims
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IPC IPC(8): B23C5/20B23C5/24
CPCB23C5/20B23C5/24
Inventor 俞建忠
Owner 玛珀(上海)精密刀具有限公司