8 Common Rubber Calendering Defects
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While choosing the right rubber calender is important, learning to operate it smartly to avoid these 8 common calendering defects is equally key for your success with this machine.
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8 Common Rubber Calendering Defects
- 1. COMMON DEFECTS TheirCausesInCalendering8 A Info-Series By Rubber Machinery World - http://rubbermachineryworld.com Image: A New 3-Roll Calender from Bharaj Machineries http://rubbermachineryworld.com INFORMATION ON EQUIPMENT, TECHNOLOGY, INNOVATION SUPPLIERSMM RUBBER Rubber Machinery World » Incorrect crowning of calender rolls » Excessive wearing of bearings » Improper operation of roll bending/zero clearance devices » Roll temperature too high » High feed bank on to the rolls » Compound Stock warmed up for longer duration » Insufficient break-down of your compound » Inadequate temperature control » Insufficient compound feed in the banks » Roll temperature too high » Large nip opening » Stock warm up for long time » High Compound in the nips » Insufficient nip opening between rolls » Excess compound in the nip » Improper roll crown » High compound viscosity » Improper Roll temperature » Improper running speed » Low compound viscosity » Improper warming of the compound » High viscosity compound » Improper warm up, high bank » Non uniformity of warm up » Lower roll temperature » Lower temperature in one of the rolls » High friction ratio » High calendering speed » Use of anisotropic fillers Choose Wisely. Operate Smartly