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An Indexable Internal Cooling Milling Cutter That Can Generate Supersonic Low-Temperature Airflow

A technology of supersonic speed and indexing inserts, which is applied in the direction of milling cutters, milling machine equipment, metal processing equipment, etc., can solve the problems of unsatisfactory cutting heat effects, and achieve the effects of easy manufacturing and disassembly, reducing pollution, and reducing manufacturing difficulty

Inactive Publication Date: 2016-07-27
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current internal cooling tools are mostly compressed air, the jet airflow speed is subsonic, the airflow temperature is normal temperature, and the effect of absorbing cutting heat is not ideal.

Method used

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  • An Indexable Internal Cooling Milling Cutter That Can Generate Supersonic Low-Temperature Airflow
  • An Indexable Internal Cooling Milling Cutter That Can Generate Supersonic Low-Temperature Airflow
  • An Indexable Internal Cooling Milling Cutter That Can Generate Supersonic Low-Temperature Airflow

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Experimental program
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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0035] Such as Figure 1-Figure 4 As shown, an indexable internal cooling milling cutter capable of generating supersonic low-temperature airflow includes a handle 1, a cutter head 2 connected to the handle 1 through threads 1b, 2b, and an internal cooling hole 1a in the center of the handle 1 , there are two internal cooling holes 2a on the cutter head 2, leading to two knife grooves respectively, there is a seal ring groove 2d on the joint surface of the cutter head 2 and the handle 1, and the seal ring groove 2d is equipped with a high-pressure gas seal ring 6 to prevent Gas side leakage, the end of the inner cooling hole 2a of the cutter head has a shrinking and expanding nozzle connecting thread 2c, and the shrinking and expanding nozzle 3 is connected to the cutter head through the nozzle connecting thread 2c. The indexable insert 4 is fixed in t...

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Abstract

The invention discloses an indexable type inner-cooling milling cutter capable of producing supersonic speed low temperature airflow. The inner-cooling milling cutter comprises a cutter holder, a cutter bit, a shrinking-expanding nozzle and indexable blades, wherein the cutter holder is connected with the cutter bit, two indexable blades are fixed on the cutter bit in central symmetry, the upper end of the cutter bit is provided with an inner-cooling hole matched with the indexable blade position, the inner-cooling hole is connected with the shrinking-expanding nozzle, two inner-cooling holes are respectively connected with sub-runners, the center of the cutter holder is provided with a cooling hole, the cooling hole is connected with a main runner, the main runner penetrates through the interior of the cutter holder and is communicated with two sub-runners; the continuous acceleration of the airflow in the nozzle can be used for obtaining the supersonic speed airflow, and meanwhile, the temperature is rapidly reduced so as to obtain the supersonic speed airflow at a low temperature for the low temperature cooling in the cutting processing.

Description

technical field [0001] The invention relates to an indexable internal cooling milling cutter capable of generating supersonic low-temperature airflow. Background technique [0002] Internally cooled milling cutters are an important direction of tool development at present, and they have the advantages of high cooling efficiency. At present, the commonly used internally cooled milling cutters are mainly cooled by cutting fluid, and there are also compressed air internally cooled ones, but the air flow temperature is normal temperature. The future development direction of the manufacturing industry is green manufacturing. There are many green cutting methods in the field of cutting processing. One of the important methods is to use low-temperature gas instead of cutting fluid as the cooling medium for cutting processing. In the future cutting process, cutting fluid will be gradually replaced by airflow cooling. [0003] Low temperature gas cooling cutting can reduce environme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/28B23Q11/00
CPCB23C5/28B23Q11/00
Inventor 刘战强蔡玉奎史振宇万熠
Owner SHANDONG UNIV
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