塑料件设计及品质（PDF49页）

1.2.RickyChoiMideaMicrowaveandElectricalAppliancesMFGCo.,Ltd.1/111.1-1.1-1-1.(1)-,,,,(2)-:filling()flowpattern(),,-:,(3)GATE---gate(),sinkmarks(),voids()(4)--,-,,,1-1-2.,,,,----insert()--burningmark(--,*PolyPropyleneNylonAcetal(POM)1.5~5.0(mm)PolyEthylene0.9~4.00.6~3.50.5~3.02/11(1)(2)-,.-.1-1-3.(1),(2),,0.5~5.0Styrene,ASAcryl(PMMA)PolyCarbonateABSPBT1.0~4.01.5~5.01.5~5.01.5~4.53/11(3),core(),(4),(5),(6)T,core,,(7),A4/11(8)(9)(10),,(11).(12)boss,,partingline()5/11(13)(14)1-2.BOSS(1-2-1.BossBoss,hole(),,6/111-2-2.Boss(1)boss,,,,rib()(2)self-tappingscrew(bossself-tappingscrew3mmH=30mmcmaxmaxtmaxF=?d?t?F:screwd:screwt:screw:(3)boss1?38kg-cm?59.08.54.251?57kg-cm1.5max300.51.5max30tHTor?48.58.03.250.51.5max301?16kg-cm?D?D'?d?d'c?37.57.02.250.57/11D-D'/H=0.035~0.070d-d'/H=0.0177~0.035t'=t(0.6~0.8)H2D'H2D'1-2-3.BOSS(1)Hole,Boss2x(2)boss-rib()-rib()-rib,vent((3)Sinkmark(-bosssinkmark,(4),corepin(),boss(5)Bossrib(),R.(6)Mountingboss(7)Boss30mm,boss.8/110.5(d-d')/H=1/50~1/300.5(D-D')/H=1/100~1/501-2-4.boss(1)Polypropylene()H30mm=0.5(D-D')/H=1/30~1/20(2)ABS(--(3)Polyacetal(B.D2H.DTtd2.3d'2.6D'6.06.57.0T'T/2or1.0~1.5T3.52.5~3.0D7.07.08.09/11T'=0.8T0.3R10.7mmR2=1/2H.DH.DscrewTapping2.5xscrew(4)Polycarbonate(PC)(-Bosssizetype(B.D2H.DTtT'=0.8T0.3R10.7mmR2=1/2H.DH.DscrewTapping(1.25~1.7)xscrew-Boss3~5,5~10t=0.6T:3.2mmt=0.4T:3.2mm1-3.HOLE(1-3-1.holehole,,,.1-3-2.hole-hole(blind)-hole(through)-hole(step)10/11-hole(recessedstep)-hole(intersecting)1-3-3.Hole(1),slidecore(),slidecore(2)holehole2.(3)hole(4)hole3.11/11(5)1.5,(L)(6)pin,,D=d+0.5(7)hole,Weldline()(),,(D)(L)(H)1.52.53.05.02.53.06.58.010.012.54.05.510.06.58.511.06.512.58.014.018.022.03.55.012/11(8),,,(9),0.4~0.5mm.(10)(11)coreslidecore(),2core1-4.RIB(1-4-1.rib13/11rib,,,,1-4-2.ribrib,,runner()1-4-3.ribT3mm,t=0.6TT3mm,t=0.4T(1),rib,.(2)rib,2rib,1rib(3)rib,A,B14/11*,(0.8~1.0).,B=1.0~1.8(4)rib,rib,rib0.5(A-B)/H=1/150~1/100A=0.4xT(5)rib,rib,.(6)hotstamping(),,rib.(7)ribA=B=0.8xAC=3xBD=2xBE=1/2~21-5.15/111-5-1.design()(1)R(2)Partingline()flange().440x330x145mm(WxDxH),flange20mmflange(3)16/111-5-2.,,,,flange,,,ribrib,.)157x117x35mm,t=2.7mm,2.2mm,2mm.)hinge(?hinge32mm,hinge,1.3mmhinge,17/11),2.8mm22.5mm.1-6.plastic()1-6-1.plastic,,(Cu),(Ni),(Cr)(1)(2)(etching)(3)(sensitive)(4)(activating)(5)(6)(10~30)(7)(10~30)(8)(0.25)1-6-2.,plastic,1-6-3.,.((1)cycle():701Hr,-201Hr1cycle,3cycle((2):20(3):355%Nacl8,16,1cycle.2cycle.(4):95~100%RH,40200Hr.1-6-4.18/11ABS,grade().Acryl,AS,PP,PSplastic,,ABS1-6-5.(1)(2),,,(3)Weldline((4)(5)(6)Partingline(),core()(7)Insert(.,cost.(8),,(0.3R)(9),?.,,(10)-?R.-.V,-,.19/11-,(),.-Rib()1?taper(),R-Boss().2.2-1.2-1-1.(1)(2)(3)(4)(5)(6)2-1-2.20/11..2-2.2-2-1.Shortshot((1)a.b.c.d.cavitygas(),e.(2)Shortshot()**)pelletpellet,pelletbalance()balance()40~80%**screwnozzle()valve(screw,cylinder()screw,cylinder(hopperhopperholenozzlehole,(21/11****gate,**cornerRcorner*cavity*cavity,sprue()sprue()*runner()*runner(),balance*gate*gate,balance,,core,vent*cylinder()*cylinder(),**,2****screwscrewscrewscrew*stroke()cycle,)*2-2-2.(1)a.=10%b.,c.d.(2)**pelletpellet,**22/11balancebalance40~80%***screw*screwscrew,cylinder()screw,cylinder(hopperhopperhole****gate,**cornerRcorner*cavity*cavity,spruesprue()*runner()*runner(),balance*gate*gate,balance*cylinder()*cylinder(),****screwscrew**cycle2-2-3.(1)a.,,sprue,runner(),gategateb.gatec.d.(2)23/11**pelletpellet,**balancebalance40~80%***screw*screwscrew,cylinder()screw,cylinder(hopperhopperhole****gate,***rib,boss*rib,bosscornerR*corner*cavity*cavity?,spruesprue()*runner()*runner(),balance*gate*gate,balance*cylinder()*cylinder(),**,2****screwscrew**cycle2-2-4.(1)a.ejectorpin(),b.ejectorpin24/11c.,d.glass(2)******pellet,balancebalance40~80%*screw*screwscrew,cylinder()screw,cylinder(hopperhopperhole**rib,corner**rib,corner****corneRcornerR*cylinder()*cylinder(),*********cycle*2-2-5.(1)a.b.c.(2)25/11**pellet,balancebalance40~80%screwscrewscrew,cylinder()screw,cylinder(hopperhopperhole****corneRcornerR*cavity*cavity?,spruesprue()*runner()*runner(),balancegategate,balance***cylinder()*cylinder()******screwscrew**cycle2-2-6.Weldline((1)Weldline()a.weldmarkb.c.,d.e.(2)Weldline()26/11**pellet,balancebalance40~80%screwscrewscrew,cylinder()screw,cylinder(*hole*hole****cavity*cavity,spruesprue()runner()runner()*gate*gate***cylinder()*cylinder()******screwscrew**cycle2-2-7.Flowmark((1)Flowmark()a.gateb.c.jetting(,gate,cavity,gatesprue,runner()coldslugwell(2)Flowmark()27/11***pro-control*pro-control*(*(**cavity*cavity,spruesprue()runner()runner()*gate*gate*coldslugwell*slugwell*cylinder()*cylinder()****cycle28/1129/1130/1131/1132/1133/1134/1135/1136/1137/1138/1139/1140/1141/1142/1143/1144/1145/1146/1147/1148/11STRESSCRACK(49/11