Inner-cooling combination cutter

A technology of reamer and internal cooling, applied in the direction of reamer, metal processing machinery parts, maintenance and safety accessories, etc., can solve the problem of heat not being discharged in time, affecting the quality of hole processing, and unstable hole size.

Inactive Publication Date: 2007-08-08
陈焕春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reamers currently available on the market often fail to achieve the expected results in use.
The main reason is that the size of the hole is unstable and the shape error is large. Especially when the hole of the part is processed with a reamer on the lathe, because the cutting fluid cannot fully flow into the processed hole, ...

Method used

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  • Inner-cooling combination cutter

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Experimental program
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Effect test

Embodiment Construction

[0010] Referring to the accompanying drawings, the structure of the internal cooling compound reamer is as follows: the cemented carbide blade 7 is welded on the cutter tooth 8, the radially arranged water inlet hole 5 is at the front end of the handle 6, and the handle 6 has a central hole at the rear end. Commonly used Morse tool cones. The radially arranged water outlet hole 2 is at the bottom of each knife tooth groove. Due to technological requirements, the water hole 4 in the core of the cutter bar 3 is drilled from the front end of the reamer to connect the water inlet hole 5 and the water outlet hole 2, and the screw plug Installed in the threaded hole at the front end of the water hole 4, the water hole 4 orifice has a 60-degree conical hole, in order to be used as a positioning reference when the reamer is processed together with the center hole at the rear end of the handle 6; the water inlet 5 is Threaded hole, the cutting fluid enters directly from this hole, and ...

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Abstract

An internal cooling composite beamer with a hard alloy blade welded on the blade teeth, radial water inlet hole at the fore front of the knife handle at the bottom of each blade teeth slot, water through hole of the core connecting with the water inlet and outlet holes, screw plug installed at the front of the water through hole, with the beamer made by the front thick and rear finer beamers, front of the blade and axle line of the beamer forming a included angle of 3-5 degrees, cutting blade of the finer beamer crossing with the radial cross section blade of the rectification margin through the beamer axle. Due to the ladder progress of the thick and finer beamers, it plays the role of two beamers. The cutting fluid can reach to the teeth of the blade with lubrication and lowering down of temperature. 3-5 degree blade tilt angle of the beamer stabilizes the cutting. It can machine high quality thin and long hole.

Description

Technical field [0001] The present invention relates to metal cutting tools, especially reamers. Background technique [0002] The reamer is a general tool for machining precise holes on parts, especially the tool of choice for machining small holes with a diameter of less than 50 mm. And the reamer that supplies on the market often can't reach expected effect in use at present. The main reason is that the size of the hole is unstable and the shape error is large. Especially when the hole of the part is processed with a reamer on the lathe, because the cutting fluid cannot fully flow into the processed hole, the heat generated during cutting cannot be discharged in time, and the workpiece The deformation caused by the temperature rise of the tool seriously affects the processing quality of the hole, aggravates the wear of the tool, and reduces the service life of the tool. Especially for the processing of elongated holes, the accuracy is even worse. For holes with high pr...

Claims

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Application Information

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IPC IPC(8): B23D77/00B23Q11/10
Inventor 陈焕春
Owner 陈焕春
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