• Dr-Ing N K Gupta Technical Consultants Private Limited

Cast Iron Rolls

Dr-Ing N K Gupta Technical Consultants offers top quality cast iron rolls from Fundiciones Balaguer S A of Spain. These are for use in flour mills, and flaker and cracker rolls for wheat, corn, cocoa, coffee and oleaginous seeds such as soyabean, sunflower, garlic-oils, etc. These rolls are fashioned by making alloy of two metal compound or bi-metal centrifugal casting, alloys being laboratory tested before melting, then poured into high speed rotating moulds. Salient features: suitable hardness purpose-wise (standard roll hardness = 490/550 brinell); hardness uniformity; externally wear-resistant; dynamically balanced to prevent vibration; rolls and shafts rough-machined; composition-fixed proportion of carbon, silicon, manganese, phosphorus and sulphur, with several other alloyed components; hardness consistency due to chill depth uniformity; most common shaft for standard rolls is steel F-114 (UNE norm) = C-45 (DIN norm); shaft penetration into rolls is by hydraulic press with 30/50 MT pressure; dynamically balanced with maximum dis-balance in range 100 grs/ side at 600 RPM; and meticulous care at every point of manufacturing process.