• vibration pickup for ball grinding mill of pinion bearing

    Ball Mill Pinion Vibration Analysis Machinery ... Pinion speed is indeed 180. Bull gear tooth count is 241. I had a cage failure on one of the pinion bearing 2 years ago, at that time we replaced both bearings. The peakvue trends look good on the bearings. 2XGM is rising and driving my trends up.

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  • Industrial Ball Mills: Steel Ball Mills and Lined Ball Mills | Orbis

    The basic construction of a ball mill is a cylindrical container with journals at its axis. The cylinder is filled with grinding media (ceramic or metallic balls or rods), the product to be ground is added and the cylinder is put into rotation via an external drive causing the .

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  • BALL MILL SERVICES BALL MILL MECHANICAL INSPECTION (BMI)

    Mill lifting at inlet/outlet. Mill slide ring radial run out. Measurement of Girth Gear axial and radial runout. Measurement of root gap backlash of gear and pinion. Inspection of trunion lubriion unit. Visual inspection of mill components. BMI Services NDT analysis of Mill Components. Inspection and Alignment of Mill Components.

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  • high axial vibration on a ball mill

    This project is aimed at analysis of MAZAK 3 axis CNC milling machine and identifying possible condition Figure 33 Radial ball bearings – CAD Drawings High vibration amplitude at 1X and 3X in the axial position at 50 Hz speed

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  • Gantry Mill/CMM vibration

     · This machine is about 20 years old and worked fine until a few weeks ago. Now when you make any move along the Y axis, it vibrates a lot. when the movement is complete and the machine stops, it still vibrates for about 20 seconds, sometimes more. It does, however travel the right amount of distance when asked to.

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  • Handling shaft deflection, runout, vibration, axial motion

    Shaft deflection, runout, vibration, and axial motion Chapter D4 Page 3 Contact Kalsi Engineering Search this handbook the eccentricity conditions that are shown in Figure 3 (clearance is exaggerated). In the lefthand side of Figure 3, the sleeve is eggshaped, as may happen with thin, large diameter sleeves.

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  • Grinding ball mill girth gear root clearance

     · As manufacturer only you should be interested on the tip clearance. The tip clearance should be. a) Able to take care of the thermal expansions during the operations. The gear ratio shows it to be a large gear. Our gears with ratio 222/27 ahs a diameter of more than 5m. b) Take care of the profile machiining the root radius etc should not be ...

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  • high axial vibration on a ball mill

    Cement Mill Axial Test Ball Mill. Mar 12, 2021Hi, Planning to visit cement mill day after to handle high axial vibs on a motorgearbox driving the kiln mill. I made a visit to this site one month back for condition monitoring data collection. but during that time the motor was running at 1275 rpm less than its rated is a 2 page ...

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  • What are the reasons for the vibration of the ball mill?

     · Vibration caused by the displacement of the transmission parts After the ball mill works for a long time, the anchor bolts of the motor, reducer and pinion bearing seat in the transmission part will sometimes loosen, and the transmission part will move, so that the axis is not in the same straight line, and vibration occurs.

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  • Paper # 25

    The Copper Mountain ball mills are 7315 mm [24 feet] in diameter and 12040 mm [ feet] long. They are overflow discharge ball mills with inside diameters of 7315 mm [24 feet] and grinding lengths of 11887 mm [39 feet]. Each Ball mill is also driven by two 8,500 horsepower ABB motors. Figure 3 The 24' x ' ball mill

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  • High Vibration Ball Mill Duel Pinion Drive

     · The vibration is high in all planes on both sides of the Mill or both pinion drives. The measurements were similar in velocity on the motor, gearbox and both pinion bearings. The recommendations for repairs was close to exactly the same for both drives. Gear mesh frequency is present at 1x to 3x and similar amplitudes on both sides.

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  • Machinery Vibration Limits#8

    Case History 1: High Vibrations, Acceptable Forces, Structural Resonance A newly installed boiler feedwater pump was started up and found to have excessive radial vibrations on the bearing housings of the pump (over in/sec pk) primarily at vane passing frequency as well as high radial and axial vibrations on the motor at shaft frequency.

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  • Fanuc > vibration on Xaxis without any alarm?!?

     · the vibrations are with constant period along the whole length of travel, there is no alarm the machine keeps on running but the vibrations from the X axis can be seen on the surface quality. We check the bearing, they are fine the motor vibrates even when is out of axle,

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  • ball mill pinion bearing vibration

    vibration at the ball bearing housing of the ball mill is a device failure that affects the normal operation of the ball mill there are many reasons for causing lowfrequency vibrations, and the vibrations and hazards caused by their respective causes are also differentball mill pinion bearinghenan mining heavy machinery co, ltd how to install .

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  • back lash and root clearance for girth gear and pinion

    the pinion depth is achieved, install a new crush collar (preload shim pack for Dana's) and seal. Then loctite the pinion nut and tighten to 15 inchpounds rotating torque with used bearings or 25 inchpounds with new bearings. the pinion gear installed, position ring gear and carrier into housing to check backlash. US Gear ...

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  • Pinion Shaft

    Clifford Matthews BSc (Hons), CEng, MBA, in Case Studies in Engineering Design, 1998. GT drive train alignment. The output shaft is connected to the input pinion shaft of the gearbox by a 'high speed' coupling shaft. This has flexible diaphragm elements and so allows some lateral misalignment between the GT and gearbox but, more importantly, allows axial tension .

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  • Ball Mill Couplings ??

    The pinion shaft is 8" diameter and turns 121 RPM. Mine have the Falk grid flex type coupling. We use Kopflex MaxC type WB. Never heard of any problems in 7 years. Our pignon shafts are " at 180 RPM. Beatnik, I'm looking at that one as well. I specified one of these (much smaller) to replace a clutchtype coupling on the input to a ball ...

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  • Interpretation of mill vibration signal via wireless sensing

     · The vibration signal is captured by means of a triaxial accelerometer which is placed on the tumbling mill shell. We have used wireless communiion to transmit vibration signal to a remote computer. The advantages of using wireless sensor in tumbling mill monitoring are manifold. Firstly, the wireless sensor can be mounted on the rotating ...

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  • Interpretation of mill vibration signal via wireless sensing

     · The mill noise and shell vibration emanate from many events such as ballball, rockrock, ballrock, ball/rockliner/lifter collisions inside the mill corresponding to varied frequencies. ......

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  • Ballscrew

     · XAxis Ballscrew Backlash Test 1 Put the dial indior so that it touches the side of the spindle housing. Push [X]. Push [HAND JOG]. Push [.001/1]. Jog the X Axis until the dial shows approximately " ( mm). Set the indior dial to 0. 2 Push [POSITION]. Push [ORIGIN]. In the display, the X value for OPERATOR shows 0. 3

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  • axial vibration cement mill

     · Vibration Coromant. Always position the cutter offcenter in relation to the milled surface. With KAPR, 90 long edge cutters or end mills, use low radial immersion: max ae = 25% DC and high axial cut; max ap = De. In face milling, use a small depth of cut, ap, and high feed, fz, with round inserts or . read more

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