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Large rolling bearing with raceways comprised of ring segments

A bearing and segment technology, applied in the direction of bearings, ball bearings, bearing components, etc., can solve the problems of high cost and difficult handling of single-piece raceways, and achieve the effects of easy processing, large manufacturing tolerance, and easy manufacturing.

Active Publication Date: 2007-11-07
BUEHLER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regardless of their size, they are manufactured with high precision, which leads to correspondingly higher costs
In addition, the one-piece raceway of the bearing element is difficult to handle

Method used

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  • Large rolling bearing with raceways comprised of ring segments
  • Large rolling bearing with raceways comprised of ring segments

Examples

Experimental program
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Embodiment Construction

[0011] The console 8 of the carrier 9 in a circular kiln (not explicitly shown) at a malting plant with an internal tower is provided with an annular rotating guide for a spiral stripper or loader / unloader. Here, the rotary guide (inner guide) can have a diameter of approximately 12 to 20 m, wherein a segmented design is possible starting from a diameter of approximately 3 m.

[0012] The rotary guide comprises a plurality of segments (24 in this example) interconnected by connecting and centering elements 4 , wherein each segment comprises an upper segment 1 and a lower segment 2 . The upper section 1 and the lower section 2 have raceways with running surfaces 6 and 7 between which the balls 3 move. Only the working surface 7 is milled, which is accurate enough for low-speed work, thereby reducing manufacturing costs.

[0013] In addition, the upper section 1 and the lower section 2 are designed to form a seal 5 ensuring that the balls 3 and the running surfaces 6, 7 are fre...

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PUM

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Abstract

A method for fabricating a MEMS zoom lens device. The device is formed substantially on a silicon substrate and includes control circuitry formed on the substrate, multiple actuators having charge areas for creating electrostatic fields, a flexible support for flexibly coupling a lens to the substrate, an electrostatic layer coupled to the lens. The charge areas act in response to the control circuitry to apply an electrostatic force to the electrostatic layer to move the lens with respect to the substrate and optical sensors or detectors. In a preferred embodiment, the flexible support is formed in a serpentine shape from silicon nitride. A stop support is formed to underlie the flexible support to prevent damage to the flexible support in a rest (i.e., non-zoomed) position.

Description

technical field [0001] The present invention relates to a bearing, in particular to an annular bearing or an inner guide, for example for planar rotary motion in a circular drying kiln, furnace or flat-bottomed distribution guide. Background technique [0002] Large-diameter ball bearings or roller bearings are known in the state of the art, for example for jib cranes, tanks or machine tools for carrying out rotational movements in a plane. Regardless of their size, they are manufactured with high precision, which leads to correspondingly higher costs. In addition, the one-piece raceways of the bearing elements are difficult to handle. Contents of the invention [0003] It is therefore now the object of the present invention to develop a bearing which overcomes the disadvantages of the prior art and which, in particular even with large diameters, is easy to manufacture and handle at relatively low cost. [0004] This object is achieved by the features of the claims; adva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C19/10F16C33/60
CPCF16C2300/14F16C19/10F16C33/60F16C33/767
Inventor 凯·西尔伯曼沃尔夫-埃卡特·比朔夫
Owner BUEHLER AG