SUB-FRAME MADE IN DIE-CAST

To suppress an increase in weight and enhance rigidness.SOLUTION: The sub-frame 10 made in die-cast has a whole shape which is almost lattice-like as a result of having a frame shape part 12 that has an aperture 11 in the center and an almost square contour shape, and arm parts 13 that are formed to...

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Bibliographische Detailangaben
Hauptverfasser:	IWAKUNI NOBUO, KIKUCHI FUMIAKI, HASUNO AKIHITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS POWDER METALLURGY TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	To suppress an increase in weight and enhance rigidness.SOLUTION: The sub-frame 10 made in die-cast has a whole shape which is almost lattice-like as a result of having a frame shape part 12 that has an aperture 11 in the center and an almost square contour shape, and arm parts 13 that are formed to extend outward from each of the four corners of the frame shape part 12; and is used as a strength member for supporting a vehicle component when the vehicle component is attached to a vehicle body. The sub-frame 10 made in die-cast has at least part of its surface composed of polyhedral wall parts 20 that are formed of a combination of a plurality of substantially polygonal shapes.SELECTED DRAWING: Figure 4 【課題】重量の増加を抑制しつつ剛性の向上効果を得る。【解決手段】このダイカスト製サブフレーム１０は、中央に開口部１１を有するとともに外郭形状が略四角形状をした枠形状部１２と、枠形状部１２の四隅それぞれから外方に延びて形成されるアーム部１３と、を備えることで全体形状が略井桁形状をしており、車体に車両部品を取り付ける際に、当該車両部品を支承する強度部材として用いられるものである。そして、このダイカスト製サブフレーム１０では、表面の少なくとも一部を、略多角形状を複数組み合わせることで形成した多面体壁部２０で構成した。【選択図】図４