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Cone piercing mill for producing seamless tubes

A technology of seamless tubes and inclined cones, which is used in manufacturing tools, metal rolling stands, metal rolling mill stands, etc., can solve the problem of not being able to replace the rolls at the same time.

Active Publication Date: 2013-06-19
SMS MEER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The surrounding kit does not allow movement of the two rack sides or the gantry frame, making it impossible to change rolls at the same time

Method used

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  • Cone piercing mill for producing seamless tubes
  • Cone piercing mill for producing seamless tubes
  • Cone piercing mill for producing seamless tubes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] exist figure 1 The rolling mill stand 1 shown in figure 2 and image 3 ). Mounting windows 5 a , b for the tapered rolls 6 a , b inserted therein from each stand side are formed in both the left and the right side of the stand with respect to the rolling axis or rolling center 4 .

[0034] Schematic figure 2 From the rolling stock exit side, the rolling stand 1 converted into a skewed cone rolling mill 7 is shown here and two conical rolls supported in the mounting part 8 and pointing forward with their drive coupling 9 in the plane of the drawing can be seen 6 a , 6 b are arranged horizontally next to each other in the shown operating position, that is to say symmetrical to the rolling axis or rolling center 4 at a larger divergence angle, that is to say divergent towards the rolling stock exit side. To the right and left of the rolling axis 4 , doorframe-like guide frames 10 a , 10 b are placed on the rolling stand 1 . Each guide frame 10a, 10b accommodates a r...

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PUM

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Abstract

A tapered roll stand for making seamless pipe has a stationary frame formed relative to a workpiece-travel direction with a pair of laterally and horizontally oppositely open windows. Respective cover doors carried on the frame are vertically shiftable between respective closed positions covering the respective windows and open positions offset therefrom and exposing the respective windows. A pair of tapered rolls are each shiftable horizontally through a respective one of the windows into a use position inside the frame, lying to a respective horizontal side of the direction, and rotatable about a respective axis forming an acute angle with the direction. A pair of Diescher disks are vertically engageable with a workpiece extending in the direction between the tapered rolls, and respective roll-positioning actuators carried on the doors are couplable with the tapered rolls in the use position for setting positions of the tapered rolls.

Description

technical field [0001] The invention relates to an oblique cone rolling mill (Kegelschraegwalzwerk) for the production of seamless tubes, which is implemented with driven two conical rolls ( Kegelwalze) and driven two guide disks or Diescherscheibe Diescher mills. Background technique [0002] A rolling mill of this type is known from EP 1 151 808 B1 in the form of a frame construction from modular units. In order to convert the rolling mill into a Diescher mill, associated with the two tapered rollers there are correspondingly arranged Diescher disks or guide disks on the Diescher disk slide, also called disk rollers (Scheibenwalze). The guide disc or Diescher disc closes the lateral nip between the upper and lower conical rolls as a quasi-revolving guide plate. The rolling stand frame consists of two gantry frames situated opposite each other at a distance, which are connected to the lower transverse frame and at the top by means of crossbars. The crossbars are movable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B13/12
CPCB21B19/02B21B31/10
Inventor W.赫夫根T.莱斯滕M.勒费林克
Owner SMS MEER
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