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Nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system

A nano-fluid, atomization cooling technology, applied in the direction of grinding/polishing equipment, grinding/polishing safety devices, metal processing equipment, etc., can solve the problem that the optimal amount of lubricant is difficult to determine, the temperature of the cutting zone cannot be effectively reduced, and the lubrication Lubricating problems such as oil film rupture, to avoid lubricant film rupture and lubrication failure, avoid excessive heat production, and improve the lubrication state

Active Publication Date: 2021-10-08
YUNNAN KIRO CH PHOTONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] This application provides a nanofluid micro-lubrication and atomization cooling ultra-precision cutting medium supply system, which can be used to solve the problem of poor cooling effect of the micro-lubrication device in the prior art, which cannot effectively reduce the temperature of the cutting zone; the cooling effect is uneven, Lead to lubricant film breakage and lubrication failure; difficulty in determining optimal lubricant dosage leading to technical problems of insufficient lubrication

Method used

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  • Nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system
  • Nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system
  • Nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system

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Effect test

Embodiment 1

[0079] The application provides a nanofluid micro-lubrication and atomization cooling ultra-precision cutting medium supply system, including: workbench 1, compressed air path 9, nanofluid liquid path 8, tool 4, workpiece to be processed 5, jet atomization The nozzle 7; the tool 4 and the workpiece 5 to be processed are arranged on the workbench 1, and move toward or away from each other; the jet atomizing nozzle 7 is arranged on one side of the tool 4, and the second end of the jet atomizing nozzle 7 faces the tool 4 and The cutting area in contact with the workpiece 5 to be processed is set; the workbench 1 used in this application and this embodiment can be an existing commonly used workbench. The specific structure is not exhausted.

[0080] The compressed air circuit 9 and the nanofluid liquid circuit 8 are respectively connected to the first end of the jet atomizing nozzle 7 for feeding;

[0081] The second end of the jet atomizing nozzle 7 sprays the three-phase bubble...

Embodiment 2

[0109] The difference between shower nozzle 21 used in the present embodiment and embodiment 1: as Figure 4 As shown in a, wherein the angle c shown in figure a is the angle between the inner wall of the nozzle outlet 22 and the extension line of the feed diameter, and the definition of the angle c in other embodiments is the same; the cross section of the acceleration section 23 used in this embodiment It is trapezoidal; the included angle c in the cross-section of the nozzle outlet 22 is 10-15°, and the value in this range is determined by the machining accuracy, and any included angle c within this range is acceptable.

[0110] Other differences between this embodiment and Embodiment 1: the angle between the extension line of the central axis of the jet atomizing nozzle 7 and the processing end surface of the workpiece 5 to be processed is β, and the angle of β is 35°; 4 The distance d between the cutting tip and the contact point of the workpiece 5 to be processed is 5 cm...

Embodiment 3

[0112]The difference between shower nozzle 21 used in the present embodiment and embodiment 1: as Figure 4 As shown in b, the acceleration section 23 has a trapezoidal cross-section and a connecting structure with a rectangular cross-section is arranged on the bottom of the trapezoid; the included angle c is 15-30°.

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Abstract

The invention discloses a nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system. The system comprises a workbench, a compressed air path, a nanofluid liquid path, a cutter, a workpiece to be machined and a jet flow atomization nozzle; the cutter and the workpiece to be machined are arranged on the workbench and move in the same direction or away from each other; the jet flow atomization nozzle is arranged on one side of the cutter, and the second end of the jet flow atomization nozzle faces a cutting area, making contact with the workpiece to be machined, of the cutter; and the second end of the jet flow atomization nozzle sprays three-phase bubble flow to the cutting area at the near sound speed. By arranging the jet flow atomization nozzle, high-speed atomization of the nanofluid can be achieved through compressed air, a large number of tiny liquid drops are formed after the nanofluid is sprayed out, the tiny liquid drops are evenly attached to the cutting face of the cutting area, and therefore the technical problem existing when the existing nanofluid is directly used for cutting is effectively solved.

Description

technical field [0001] The application relates to the technical field of ultra-precision cutting, in particular to a supply system of ultra-precision cutting medium for nano-fluid micro-lubrication and atomization cooling. Background technique [0002] In ultra-precision cutting, most of the cutting objects are difficult-to-machine materials such as anisotropic composite materials, infrared optical hard and brittle materials, etc. During cutting, a large amount of heat will be generated. Since the material layer to be cut is relatively thin, most of the heat is transmitted Into the workpiece, only a small part of the heat is taken away by the chips, and the heat introduced into the workpiece will have an adverse effect on the ultra-precision cutting process, resulting in pitting, pits, cracks and surface / subsurface damage on the machined surface. Defects reduce the service life and reliability of the parts, and at the same time increase the wear of the tool and affect the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B55/03
CPCB24B55/03
Inventor 康杰王元康张万清杨伟声程海娟邱红方肖建国刘亚飞刘尧邹俊东魏奇鲁延栾博良翟常丽
Owner YUNNAN KIRO CH PHOTONICS
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