B - Operations – Transporting – 21 – K
Patent
B - Operations, Transporting
21
K
B21K 1/08 (2006.01) B24B 5/42 (2006.01) B24B 39/04 (2006.01) C21D 7/04 (2006.01) B21H 7/18 (2006.01)
Patent
CA 2184624
Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins (24, 26) connected between counter weigths and has a centralized splitter fence (32) which receives side loads from the connecting rods. Annular fillets (38, 40) are formed between the pins and opposite sides of the splitter fence as well as (95, 97) between the pins and their associated counter weights. Limbs of the fillets at the splitter fence that describe the overlap of the split-pins are deep rolled with a higher load for improving yield strength.
Machine et procédé permettant de laminer en profondeur des flancs de raccord de manetons dédoublés de vilebrequins de moteur. Chaque maneton dédoublé se compose de manetons (24, 26) voisins et décalés en arc de cercle reliés entre des contre-poids, et une cloison (32) centrale qui reçoit les charges latérales des bielles. Des flancs de raccord arrondis annulaires (38, 40) sont formés entre les manetons dédoublés et sur les faces opposées de la cloison centrale ainsi qu'entre (95, 96) les manetons et leurs contre-poids associés. Les arcs des flancs de raccord au niveau de la cloison centrale qui définissent le chevauchement des manetons dédoublés sont laminés en profondeur avec une charge supérieure pour améliorer la résistance à la déformation.
Gottschalk William P.
Lauten Hans T.
Hegenscheidt Corporation
Macrae & Co.
LandOfFree
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