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High-pressure abrasive material and water jet cutting head and blending tube

An abrasive water jet and cutting head technology, applied in abrasives, explosion generating devices, metal processing equipment, etc., can solve problems such as large energy loss, low coaxiality, and inconvenient disassembly

Inactive Publication Date: 2006-05-03
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the common problems of existing cutting heads at home and abroad, that is, the defects such as low coaxiality, large energy loss, and inconvenient disassembly

Method used

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  • High-pressure abrasive material and water jet cutting head and blending tube
  • High-pressure abrasive material and water jet cutting head and blending tube
  • High-pressure abrasive material and water jet cutting head and blending tube

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Embodiment Construction

[0018] In the present invention, the nozzle head base (19) is first inserted into the cutting head (2), and the tapered body at the lower end of the base (19) contacts the tapered surface (34) of the cutting head (2), and (51) and ( 52) The ratio of the length is between 0.2 and 0.47, plus the outer peripheral surface of the base (19) cooperates with the inner surface of the cutting head to ensure the fixing effect; the degree of freedom in the circumferential direction is fixed by the keyway (4) and the pin (23), based on Whether the through hole (28) on the seat (19) is facing the through hole (33) on the cutting head determines the positioning effect of the base.

[0019] Insert the nozzle body (1) into the cutting head (2), tighten it by the thread (3), and use two guide surfaces to make the inner tube axis of the nozzle body (1) and the channel upper opening (30) of the nozzle head (18) axes are on the same straight line. And the nozzle body (1) bears against the base (1...

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Abstract

The invention provides a cutting muzzle and a mixing tube based on present abrasive water cutting muzzle. The invention has a mixing chamber inside the base of muzzle head and a conic part on the lower end of muzzle head; two guide surfaces on the cutting head to conform the axiality of muzzle body, muzzle head and base; and a taper locking device on the lower end of mixing tube. The invention can easily adjust the axiality of mixing tube and muzzle head to attain higher axiality. The invention has easy detachment of muzzle and mixing tube, lower cost which can save 10-20% power consumption, higher cutting efficiency, better quality, higher cutting speed, small kerf, and bigger cutting depth.

Description

technical field [0001] The invention relates to the technical field of ultra-high pressure abrasive water jet cutting, in particular to a high pressure abrasive water jet cutting nozzle and a mixing tube. This type of cutting nozzle device is widely used in machinery, electronics, aviation, medical treatment, shipbuilding, agriculture and other fields. It is used for high-speed cutting of thicker steel plates, stones, alloys, cloth, plastics, etc., especially for special materials that are sensitive to heat. Cutting and special environment operations, such as underwater cutting, nuclear industry. It has less heat generation, small kerf, large cutting depth, and no environmental pollution such as noise. Background technique [0002] Abrasive water jet cutting is a cutting technology that just sprouted in the 1970s. In 1983, Americans invented the first abrasive water jet cutting machine. As we all know, adding quartz sand, corundum, or other abrasives to the water jet will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C5/02
Inventor 王霄刘会霞丁圣银
Owner JIANGSU UNIV
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