Listing ID #2341261
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Contact SupplierKiln tyre grinding
our company is recognized as one of the proficient service providers involved in rendering services for kiln tyre grinding. Usually, question being asked for need of grinding of tyres and reasons attributed for change in shape of tyre raceways from square to convex concave, the change is because of followings:
abnormalities in kiln operating conditions, like:
• high shell runout
• high tyre wobble
• misalignment in kiln axis
• improper support roller axis, etc
tyre wobble also called as tyre axial runout or tyre throw and usually consequence of installation error, kiln shell bend thermal or mechanical, taper wear on chair pad etc
tyre wobble leads to reduced contact between tyre and support roller in part of kiln revolution. The reduced contact result in higher hertz pressure on roller tyre surface and has its own consequence and causes accelerated wear on rolling surface and adversely affects kiln axial balancing as well. From the figure, it is obvious the wear is convex on tyre and concave on support roller. The wear begins series of problems like hot bearings, failure of tyre retainers, accelerated wear of raceways etc. Once wear pattern established, accelerated wear can be expected in order to adjust kiln axial movement by adjustment of the worn out support rollers.
• obvious solution for the above anomaly is to restore square tyre and roller raceways.
• supports rollers are expected to operate about an axis and the resurfacing is relatively easy.
• however, the resurfacing for the tyre is not easy because of wobbling in lateral and axial direction. And, tyre was removed from position and bored in vertical boring machines and reinstalled. As the methodology is not economical, an innovative approach is required beyond normal machining methods and tyre grinding machine is developed for the resurfacing.
tire resurfacing technique
• utilizes cup grinding stone
• methodology adopted is more