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Vibrotumbling machine

A vibration device and kinetic energy technology, which is applied to surface polishing machine tools, machine tools suitable for grinding the edge of workpieces, grinding machines, etc., can solve the problems of uneven grinding, disappearance of the surface, and non-flowing abrasive mixture.

Active Publication Date: 2012-01-11
NUOVO PIGNONE TECH SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] A disadvantage of current machines is therefore that the abrasive mixture in the internal cavities does not flow, resulting in a so-called "plugging" effect, thus making the abrasive mixture in grooves, openings, cavities and narrower fins Decreased or complete absence of relative motion
[0022] Another disadvantage is that, in any case, for wider sections, mainly near the outside of the product to be treated, the surface is subjected to uneven grinding

Method used

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Examples

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Embodiment Construction

[0035] Referring to these figures, there is shown a machine 10 for vibratory tumbling of an article 18, such as a rotor, through an abrasive mixture comprising a variety of material components that are not particularly hard, abrasive particles, water, and additives.

[0036] The machine 10 includes vibratory means for inducing relative motion between the abrasive mixture and the article 18 for processing thereof.

[0037] Said vibrating means are associated with said article 18 so as to directly vibrate it and effect its treatment.

[0038] The vibrating device is preferably associated with the article 18 via a rod 20 or the vibrating device is directly connected to the article 18 .

[0039] Said machine 10 also comprises pressure means for obtaining a pressurized flow of said abrasive mixture relative to said article 18, in particular for obtaining a pressure of a pressurized flow inside at least one cavity of said article 18 device.

[0040] The pressure means preferably c...

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PUM

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Abstract

The present invention provides a vibrotumbling machine (10) in particular for inner surfaces of a manufactured product (18) by means of an abrasive mix comprising several elements of not particularly hard material, abrasive particles, water and additives, the machine (10) comprises vibrating means (20,30) to cause a relative movement between the various elements of the abrasive mix and the manufactured product (18) in order to obtain a surface processing of the same, the vibrating means are associated with the manufactured product (18) to make it vibrate directly, thus obtaining the surface processing of the same. The machine (10) comprises pressure means for obtaining a forced flow of the abrasive mix with respect to the manufactured product (18), in particular for obtaining a forced flow inside at least one cavity of the manufactured product (18).

Description

technical field [0001] The present invention relates to a vibratory tumbling machine, in particular to a vibratory tumbling machine suitable for processing articles having at least one cavity or inner surface. Background technique [0002] The vibratory tumbling process represents an economical solution for removing surface layers in the case of at least one surface, in particular obtained by electroerosion techniques. [0003] The surface layer is in fact obtained by galvanic erosion, wherein said surface layer is generally hard and brittle, or in any case for example has microstructural and morphological features not permissible for the particular type of application. [0004] An example of an article of this type comprises, inter alia, an object having at least one cavity, such as a rotor. [0005] Treatment of the outer surface by vibratory tumbling is simple and economical since the article to be treated is immersed in the abrasive mixture. [0006] The article is hel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B31/073
CPCB24B31/116B24B31/006B24B31/003
Inventor L·皮鲁西
Owner NUOVO PIGNONE TECH SRL
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