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Method and apparatus for the production of a metallic reel for spinning machines and reel for spinning machines thus obtained

A spinning machine and equipment technology, which is applied in the field of producing yarn bobbins for spinning machines, can solve problems affecting the cost of a single unit, and achieve the effect of ensuring axial alignment

Inactive Publication Date: 2013-09-25
SCAGLIA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] It is also known that the zeroing operation of the tool relative to the semi-finished workpiece, the change of the tool and the execution time of the machining vary with the machining stroke of each tool, which determines the overall machining time of the bobbin and thus affects the individual the cost of

Method used

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  • Method and apparatus for the production of a metallic reel for spinning machines and reel for spinning machines thus obtained
  • Method and apparatus for the production of a metallic reel for spinning machines and reel for spinning machines thus obtained
  • Method and apparatus for the production of a metallic reel for spinning machines and reel for spinning machines thus obtained

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Embodiment Construction

[0046] refer to figure 1 , which shows a bobbin for a spinning machine, indicated generally by reference numeral 10 , in the form completed by the method of the invention.

[0047] In particular, the bobbin 10 comprises a cylindrical body 11 and two flanges 12 coupled to respective ends 15 and 16 of the cylindrical body 11 by friction welding.

[0048] Both the cylindrical body 11 and the flange 12 are made of metallic material (in this embodiment aluminum alloy) in order to guarantee an optimal compromise between mechanical resistance and lightness.

[0049] The cylindrical body 11 is generally tubular and has an outer surface 14 onto which the yarn is wound in use.

[0050] The flange 12 is substantially disc-shaped and is axially perforated after friction welding to have the same inner diameter as the cylindrical body 11 so as to define a through hole 13 in which the spindle of the spinning wheel is housed in use .

[0051] The flanges 12 are connected in the circumferenti...

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Abstract

Method and apparatus for the production of a metallic reel (10) for spinning machines, obtained starting from a semi-worked piece (21), comprising a tubular cylindrical body (11), at the ends (15, 16) of which respective flanges (12) are welded, and having an axial through hole (13). The method comprises at least a first step of assembling the semi-worked piece (21) on a finishing machine (29), a second finishing step by removing chip from the flanges (12) and a third finishing step by removing chip from the cylindrical body (11), wherein the first assembly step comprises a first sub-step of inserting a centering device (30) by interference into the through hole (13) of the semi-worked piece (21), and a second sub-step in which the centering device (30) is mounted on the finishing machine (29).

Description

technical field [0001] The present invention relates to a method of producing a bobbin for a spinning machine, the bobbin being made of metallic material, usually but not necessarily aluminium, aluminum alloys and similar or similar materials, the bobbin comprising a circular A cylindrical body with a flange friction welded at the end of the cylindrical body to accommodate the yarn. [0002] In particular, any type of yarn can be wound onto bobbins, whether the yarn is natural, synthetic, metallic or hybrid, in order to make Cops of varying weight, even if the cops operate at very high operating speeds, even on the order of tens of thousands of rpm. Background technique [0003] Methods of producing bobbins of metallic material, preferably aluminum, for spinning machines are known and have been used for more than 30 years. The method is used to manufacture a bobbin comprising a cylindrical body to which two roughly disk-shaped blank flanges are joined by friction welding t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H75/14B65H75/50B23B31/40
CPCB65H75/50B23B29/24B23B31/4093B23B33/00B23B2270/12B23B2270/14B23P15/00B65H75/14B65H2701/51344
Inventor 恩佐·斯卡格利亚
Owner SCAGLIA
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