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Aligning and leveling method for main machine guide rails of sizing and reducing machine

A technology of sizing and reducing diameters and guide rails, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of not meeting production requirements, taking a long time, wasting manpower, etc., shortening operation time, improving product quality, and improving assembly. The effect of precision

Inactive Publication Date: 2016-08-24
ANGANG STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aligning and leveling the 15 guide rails requires 64 hours of continuous work, which wastes manpower and takes too long to meet production needs

Method used

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  • Aligning and leveling method for main machine guide rails of sizing and reducing machine
  • Aligning and leveling method for main machine guide rails of sizing and reducing machine
  • Aligning and leveling method for main machine guide rails of sizing and reducing machine

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with the drawings.

[0045] The alignment and leveling method of the present invention for 15 guide rails 3 in the C-type seat of the main body of the sizing and reducing machine is as follows:

[0046] 1. Preliminary preparation:

[0047] Making measuring column 1: Measuring column 1 is a cylinder with hemispheres 2 at both ends. The distance between the end points of the two hemispheres 2 is 270.3±0.02mm, which is the same as the distance between two adjacent guide rails 3 ( see figure 1 ).

[0048] Make two gauge blocks 10 with a thickness of 1mm, and several spacers with a thickness of 0.05mm, 0.1mm, and 0.2mm.

[0049] Three M12 top thread holes 5 are machined on the new guide rail 3 to be used, one of which is on one side, and two are machined in parallel on the other side. And on each bolt hole position of the guide rail 3, a counterbore 4 with a diameter of 26mm and a depth of 18mm is concentrically ma...

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Abstract

The invention provides an aligning and leveling method for main machine guide rails of a sizing and reducing machine. The longitudinal levelness error and the transverse relative levelness error of each of the first guide rail, the eighth guide rail and the fifteenth guide rail are measured firstly, the levelness calculation value and the needed gasket thickness are calculated, and the first guide rail, the eighth guide rail and the fifteenth guide rail are leveled; then the flatness error and the transverse relative levelness error of each of the first guide rail, the second guide rail, the third guide rail, the fourth guide rail, the fifth guide rail, the sixth guide rail, the seventh guide rail, the eighth guide rail, the ninth guide rail, the tenth guide rail, the eleventh guide rail, the twelfth guide rail, the thirteenth guide rail, the fourteenth guide rail and the fifteenth guide rail are measured, the levelness calculation value and the needed gasket thickness are calculated, and the second guide rail is positioned with the first guide rail serving as the benchmark; and afterwards, the left thirteen guide rails are positioned and fastened in sequence, gaps between the top faces of all the guide rails and the bottom face of a horizontal rule are measured one by one, and it is ensured that the flatness of the top faces of the guide rails is qualified. By means of the aligning and leveling method, the working efficiency of guide rail replacing, aligning and leveling can be improved, the working time is shortened to 16 hours from the original 64 hours, the requirement for fast-tempo production is met, and the assembling precision of the guide rails of a main machine C type seat of a sizing machine and the quality of steel pipe products are improved.

Description

Technical field [0001] The invention belongs to the field of mechanical equipment, and particularly relates to a method for aligning and leveling the guide rail of the main machine of a seamless pipe sizing and reducing machine. Background technique [0002] The 14 micro-tension sizing and reducing machine is one of the main deformation equipment on the φ177mm hot-rolled seamless steel pipe production line. It can reduce and sizing the waste pipe under the state of micro-tension, thereby obtaining finished steel pipes of various specifications. The roll frame of the micro-tension sizing and reducing machine is installed in the C-shaped seat of the sizing host. The C-type seat of the micro-tension sizing and reducing machine is equipped with guide rails and positioning plates, and the roll stand is equipped with main guide rail plates, side guide plates and positioning blocks. The roll stand is installed in the C-shaped seat of the sizing main machine, and the main guide rail pla...

Claims

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Application Information

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IPC IPC(8): B23P19/10
Inventor 宋世岭张宇峰邹远李道刚吴宇新胡斌张云会董芬李应雄翟利平
Owner ANGANG STEEL CO LTD
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