原帖由luooren于2008-10-2114:32发表
我这里有个产品需要做机械试验,但客户给的规格书中条件是参考GR-63-CORE标准,无奈公司没有这个标准,哪位仁兄帮忙提供一下标准,或帮我摘录出来,谢谢。
产品大约十公斤,700X300X100
UnpackagedMechanicalS...
Mass(kg) DropHeight(mm)
0to__10(0-22lb) 100(3.9in)
10to<25(22-55.1lb) 75(3in)
TestProcedure—OtherEquipmentWeighingLessThan25kg(free-falldrops):
1.Performthetestonanunpackagedequipmentunit.Droptheequipmentfroma
heightspecifiedinTable4-9,“UnpackagedEquipmentShockCriteria.”Alldrops
shouldbeontoasmooth,levelconcretefloor(orsimilarlyunyieldingsurface).
2.TheEUTissubjecttothefollowingfree-falldrops(seeFigure5-14):
NormalRestSurfaceS1
CornerofRestSurfaceC1,C2
EdgeofRestSurfaceE1,E3
3.Itmaybepossibletodropsmallerunitsfromahand-heldposition.Wherea
lifting-releasedeviceisused,itshouldnot,onrelease,impartrotationalor
sidewardforcestotheequipment.
4.Forcorner/edgedrops,orienttheequipmentsothatastraightlinedrawn
throughthestruckcorner/edgeandequipment'sgeometriccenteris
approximatelyperpendiculartotheimpactsurface. |