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I have an issue with a gear drive on a ball mill 2XGM is rising and i have sidebands at 107cpm and I don t know why they are at 107 not relevant to any turning speeds ect I checked the root clearance a week ago and the inboard is about a 066 smaller than the outboard The pinion is 24 long and has 24 teeth It is obvious i have misalignment And there is obvious spalling on the gear faces

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mills and ball mills for use in the mining and cement industries By current stan dards girth gears can be as large as 14 meters 46 feet in diameter 1 1 meters 44 inches face width and 50 module 5 DP tooth size and weighing upwards of 120 tons Flange mounted gears rely in large part on the mill

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9 Aug 2003 I have been asked to align the pinion gear on an 8 39 x 24 39 SAG mill A small wagon with 4x6001 ball bearing wheels on a beam corner would nbsp

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A ball mill a type of grinder is a cylindrical device used in grinding or mixing materials like ores chemicals ceramic raw materials and paints Ball mills rotate around a horizontal axis partially filled with the material to be ground plus the grinding medium Different materials are used as media including ceramic balls flint pebbles and stainless steel balls

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INTELLIGENT GEARING SYSTEM – SOLUTION TO

In this article the author demonstrates through experimental work done on a ball mill in service that the current methods used in industry in general are not adequate to prevent fatigue failures associated with girth gear alignment running conditions

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Mill Soft Jaws The Proper Way to Make and Use Them Checking Ball Screw Alignment Observe Axis Servo load while Jogging axis is question through full travel A properly aligned Ball Screw will exhibit consistent servo loads throughout its travel

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Ball Mill PINION SHAFT BEARINGS Pinion shaft bearings are of the SKF anti friction type mounted in a common twin bearing assembly Bearings are fixed in place so that the pinion shaft of the mill is always in alignment with the drive components V belt driven mills are furnished with an outboard bearing of similar construction

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alignment cases where companies get in a hurry and or have a lack of proper supervision and instructions The girth gear driving pinion ends up getting aligned to the reduc er causing a misalignment issue between the girth gear teeth and the driving pinion teeth Fig 1 – Proper alignment should consist of axial and radial alignment of

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