Galette unit

A godet roller and filament technology, applied in bearing components, bearing cooling, mechanical equipment, etc., can solve the problem of aggravating the temperature difference between the inner ring and outer ring of the rolling bearing, and achieve the purpose of increasing the heat dissipation surface, uniform and continuous heat and heat dissipation, The effect of fast heat dissipation

Inactive Publication Date: 2008-06-25
SAURER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this only aggravates the problem of the temperature difference between the inner and outer rings of the rolling bearing

Method used

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  • Galette unit
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Examples

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Embodiment Construction

[0023] 1 schematically shows a longitudinal section through a godet unit according to the invention. The godet unit consists of a godet casing 2 . Godet roll cover 2 is made into pot shape, and is enclosed within on a driving shaft 1. The protruding end of the drive shaft 1 is rotationally fixedly connected with the end wall 4 of the godet roller casing 2 . The godet jacket 2 is here fixed on the drive shaft 1 by means of a clamping element 5 . At the other end of the drive shaft 1 the drive shaft 1 is connected to the drive 3 . The driving device 3 is made as a motor here, and it drives the drive shaft 1 and the godet roller overcoat 2 .

[0024] In the area between the godet housing 2 and the drive 3 the drive shaft is supported by two first rolling bearings 6.1 and second rolling bearings 6.2 which are arranged at a distance from one another. For this purpose, a bearing bore 11 is respectively machined into a bearing 10 through which the drive shaft 1 passes, in which b...

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Abstract

The invention relates to a galette unit for conveying and guiding at least one running synthetic thread. A pot-shaped galette cover is mounted on a support in such a way that it protrudes, by means of a drive shaft with at least one rolling bearing. Said drive shaft is connected to an electric drive. According to the invention, a means of cooling the inner ring of the rolling bearing mounted on the drive shaft is provided in order to prevent the rolling bearing from being heated through the drive shaft, ensuring a homogenisation and maintenance of the operating temperatures between the outer ring and the inner ring in the rolling bearing.

Description

technical field [0001] The invention relates to a godet unit for guiding and conveying a running filament. Background technique [0002] Godet units of this type are known for guiding and conveying individual filaments or groups of filaments in spinning installations, for example to withdraw the filaments from spinning nozzles or for example to draw the filaments. Here the godet is usually equipped with a separate drive, which drives a drive shaft connected to the godet jacket. Usually the drive shaft is mounted in the region between the godet jacket and the electric drive, as is known, for example, from DE 3701077. [0003] Since today's usual filament running speeds of well over 1000 m / min reach very high drive speeds, such high loads lead to high thermal energy in the electric drive in addition to bearing heating caused by bearing friction. The problem arises here that most of the thermal energy of the electric drive goes into the bearing. This phenomenon leads to unde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D02J13/00F16C37/00
CPCD02J13/005F16C37/00F16C2340/18
Inventor 德克·岑岑迪特尔·岑克尔
Owner SAURER GMBH & CO KG
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