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塑胶模具制品的结构设计经验笔谈

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扫一扫!塑胶模具制品的结构设计经验笔谈扫一扫!
浏览:- 发布日期:2017-02-13 15:22:04【

摘要:在塑胶模具制品结构设计上我们可能会遇到这样和那样的问题,现在通过多年的经验进行总结分享给大家。塑胶零件设计常识一般塑胶件设计过程中都会有以下几项:

a SUJIAOJIANBIHOUDEHOUDUSHEJI!(SHUOCHUNIDELIYOU)

b. SUJIAOJIANJIAQIANGJINDESHEJI

c. SUJIAOLUOSIZHU(ZIGONG)DESHEJI

d.SUJIAOJIANZHIKOU,MEIGUANXIANDESHEJI!

e. SUJIAOJIANCAILIAOXUANZEDEYUANZE

1. 壁厚太厚容易浪费材料,增加成本,更重要的是延长冷却和固化时间,容易产生凹陷,缩孔,夹心等质量上的缺陷。,所以应该均匀,壁与壁连接处的薄厚不应该相差太大,并且应尽量用圆弧连接,否则容易开列。一般是1~5MM,小件为1.5~2.5,大件为3~10`MM

2.JIAQIANGJINGAODUTONGCHANGSUJIANWEIBIHOUDE3BEIZUOYOU,BINGYOU2~5DUDETUOMOXIEDU,YUSUJIAN

BIDELIANJIECHUJIDUANBU,YINGYONGYUANHULIANJIE。FANGZHIYINGLIJIZHONG。,JIAQIANGJINDEHOUDUYINGWEISUJIAN

BIHOUDE1/2,RUGUOTAIDA,RONGYICHANSHENGBIEAO。

RUGUOYAOSHEZHIDUOGEJIAQIANGJIN,ZEFENBUYINGCUOKAI,FANGZHIPOLIE

2. 厚度基本上取决于结构强度需要以及跌落实验高度。

RUGUOZISHENDEQIANGDUBUZU,YOURUHENENGZHICHENGQIBUPINNI。JULISHUODIANSHIJIQIANKUANGMEIYOUZUGOUQIANGDUJIUWUFAZAIANZHUANGLEXIANXIANGGUANZHIHOUZAILIUSHUIXIANSHANGYIDONG。DANZHEIHOUDUYOUDUOYIKAOJINGYANZHI。

WOXIANLAIYIGESHIBAIDESHILI,ZHEISHIYIGEKONGZHIQIDEMIANBAN,ZUIZHONGDECHENGPINSHI8GEDIECHENGZAIYIGEJIXIANGZHONG(TUZHONGDEJIEGOUBUFENCONGLVE)。YINWEIZHEISHIWODEDIYIGECHANPINSHEJI,SHAJINGYANYEMEIYOU,FANFUXIAOHEHOUKAIMO,SHOUYANGCHULAIYEMEIYOUFAXIANWENTI,DANSHIZHENGJIYIZHUANGPEI,MAFANJIULAILE--KONGZHIQIYUKONGZHIQIZHIJIANJURANYOU3mmZUOYOUDEJIANXICUNZAI!NANKANDEYAOMING,JIANZHIJIUSHIFEIPIN。NIMENKEYIXIANGXIANGWODANGSHIHANFENGSESEDEYANGZILE。YUANYINQISHIZAIJIANDANBUGUO,WODEBAMOXIEDUSHEDALE,WEI2DU,ZHEIYANGDIBUHESHANGBUYINXIEDUXIANGCHAJIUSHI0.7mm,SHUANGBIAN1.4mm,ERMOJUCHANGSUOSHUIKAOLVBUZU,CHICUNBITUMIANCHICUNYOUDANBIANSHAO0.2mm,SHUANGBIANSHI0.4mm,ZHEIYANGSUJIAOJIANBENSHENJIUZAOCHENGLE1.8mmDEJIANXI,JIASHANGJIXIANGBENSHENSHEJIJIANJU1mm,2.8mmDEDAKONGXIJIUZHEIMECHULAILE!

JIAOXUN:SHEDINGBAMOXIEDUZHIQIANBUJINJINYAOKAOLVZHUSUGONGYIYAOQIU,YEYIDINGYAOKAOLVDAOYOUCIERCHANSHENGDEQITABULIANG“HOUYIZHENG”。

塑胶模具制品的结构设计经验笔谈

3. 选择材料的考虑因素

RENHEYIJIANGONGYECHANPINZAISHEJIDEZAOQIGUOCHENGZHONG,YIDINGQIANSHEKAOLVXUANZECHENGXINGWULIAO。YINWEIZAICHANPINSHENGCHANSHI、ZHUANGPEISHI、HEWANCHENGDESHIJIAN,WULIAOYOUZHEXIANGHUYINGXIANGDEGUANXI。CHUCIZHIWAI,PINZHIJIANDINGSHUIPING、SHICHANGXIAOSHOUQINGKUANGHEJIAGEDELIDINGDENGYESHIXUYAOKAOLVZHILIE。SUOYIZHEISHIWUFASHIYONGGAIKUOQUANMIANDEKAOLVYINSUERDINGCHUYIZHONGXITONGXINGCHULIFANGFALAIJUEDINGSUOXUANZEDECAILIAOHESHENGCHANGUOCHENGSHIWEIZUILIXIANG。

4. BUTONGCAILIAODETEXING

ABS

YONGTU: WANJU、JIQIAO、RICHANGYONGPIN

TEXING: JIANYING、BUYISUI、KETUJIAOSHUI,DANSUNHUAISHIKENENGYOULIBIANCHUXIAN。

SHEJISHANGDEYINGYONG: DUOSHUYINGYONGYUWANJUWAIQIAOHUOBUYONGSHOULIDELINGJIAN。

PP

YONGTU: WANJU、RICHANGYONGPIN、BAOZHUANGJIAODAI、PINGZI

TEXING: YOUDANXING、RENDUQIANG、YANSHENXINGDA、DANBUKETUJIAOSHUI。

SHEJISHANGDEYINGYONG: DUOSHUYINGYONGYUYIXIEYINYAOJIESHOUdrop testERCHAIJIANDEDIFANG。

PVC

YONGTU: RUANHOUGUAN、YINGHOUGUAN、RUANBAN、YINGBAN、DIANXIAN、WANJU

TEXING: ROURUAN、JIANRENERYOUDANXING。

SHEJISHANGDEYINGYONG: DUOSHUYONGYUWANJUfigure,HUOYIXIEXUYAOBIZHENHUOXIZHENDEDIFANG。

POM

YONGTU: JIXIELINGJIAN、CHILUN、GONGGAN、JIADIANWAIQIAO

TEXING: NAIMO、JIANYINGDANCUIRUO,SUNHUAISHIRONGYIYOULIBIANCHUXIAN

SHEJISHANGDEYINGYONG: DUOSHUYONGYUJIAOCHILUN、HUALUN、YIXIEXUYAOCHUANDONG,CHENGSHOUDANIULIHUOYINGLIDEDIFANG。

Nylon

YONGTU: CHILUN、HUALUN

TEXING: JIANREN、XISHUI、DANDANGSHUIFENWANQUANHUIFAHOUHUIBIANDECUIRUO。

SHEJISHANGDEYINGYONG: YINWEIJINGZHUNDUBIJIAONANKONGZHI,SUOYIDADUOYONGYUYIXIEMOSHUJIAODADECHILUN。

Kraton

YONGTU: MODADIAN

TEXING: ROURUAN,YOUDANXING,RENDUGAO,YANSHENXINGQIANG。

SHEJISHANGDEYINGYONG: DUOSHUZUOWEIMODADIAN,XISHOUMODAZHENDONG,JIANDIZAOYIN。

BIHOUDEDAXIAOQUJUEYUCHANPINXUYAOCHENGSHOUDEWAILI、SHIFOUZUOWEIQITALINGJIANDEZHICHENG、CHENGJIEZHUWEIDESHULIANG、SHENCHUBUFENDEDUOSHAOYIJIXUANYONGDESULIAOCAILIAOERDING。YIBANDERESUXINGSULIAODEBIHOUSHEJIYINGYI4mmWEIXIAN。CONGJINGJIJIAODULAIKAN,GUOHOUDECHANPINSHEJIBUDANZENGJIAWULIAOCHENGBEN,YANZHANGSHENGCHANZHOUQI(LENGQUESHIJIAN),ZENGJIASHENGCHANCHENGBEN。CONGCHANPINSHEJIJIAODULAIKAN,GUOHOUDECHANPINZENGJIAYINZHICHANSHENGKONGXUE(QIKONG)DEKENENGXING,DADAXUERUOCHANPINDEGANGXINGJIQIANGDU。ZUILIDEBIHOUFENBUWUYISHIQIEMIANZAIRENHEYIGEDIFANGDOUSHIJUNYIDEHOUDU,DANWEIMANZUGONGNENGSHANGDEXUQIUYIZHIBIHOUYOUSUOGAIBIANZONGSHIWUKEBIMIANDE。ZAICIQINGXING,YOUHOUJIAOLIAODEDIFANGGUODUDAOBOJIAOLIAODEDIFANGYINGJINKENENGSHUNHUA。TAITURANDEBIHOUGUODUZHUANBIANHUIDAOZHIYINLENGQUESUDUBUTONGHECHANSHENGLUANLIUERZAOCHENGCHICUNBUWENDINGHEBIAOMIANWENTI。

5. 不同材料的常用壁厚,对塑胶模具的影响

ABS

YIBANZUIXIANXUANZEDECAILIAO,BIHOUTONGCHANGWEI1, 1.2, 1.5, 2, 2.5, 3mm,SHIHUCHANPINDEDAXIHEGONGNENGERDING。

PP

YINWEIBIJIAORUANSHEN,ERQIEJIYUSUOSHUIDEWENTI,SUOYIBUNENGTAIHOU,YIBANWEI1, 1.2, 1.5mm。

PVC

YINWEIDUOYONGYOUYUfigureSHANGHEDUOSHISHIXIN,SUOYIXIANZHIBUDA。

POM

YIBANWEI1, 1.2, 1.5, 2, 2.5, 3mmSHIHUCHANPINDAXIERDING。

Nylon

YINWEISUOSHUILVBIJIAOGAO,SUOYIPINGJUNLIAOHOUHEJINGUDEBILIKEBIJIAOSHAO。

Kraton

YINWEIDUOSHUYONGZUOMODADIANHUOBUWAILUJIAN,SUOYIXIANZHIBUDA。JIAQIANGJINZAISULIAOBUJIANSHANGSHIBUKEHUOQUEDEGONGNENGBUFEN。JIAQIANGJINYOUXIAODIRU『GONG』ZITIEBANZENGJIACHANPINDEGANGXINGHEQIANGDUERWUXUDAFUZENGJIACHANPINQIEMIANMIANJI,DANMEIYOURU『GONG』ZITIEBANCHUXIANDAOKOUNANYUCHENGXINGDEXINGZHUANGWENTI,DUIYIXIEJINGCHANGSHOUDAOYALI、NIULI、WANQUDESULIAOCHANPINYOUQISHIYONG。CIWAI,JIAQIANGJINGENGKECHONGDANGNEIBULIUDAO,YOUZHUMOQIANGCHONGTIAN,DUIBANGZHUSULIAOLIURUBUJIANDEZHIJIEBUFENHENDADEZUOYONG。

JIAQIANGJINYIBANBEIFANGZAISULIAOCHANPINDEFEIJIECHUMIAN,QISHENZHANFANGXIANGYINGGENSUICHANPINZUIDAYINGLIHEZUIDAPIANYILIANGDEFANGXIANG,XUANZEJIAQIANGJINDEWEIZHIYISHOUZHIYUYIXIESHENGCHANSHANGDEKAOLV,RUMOQIANGCHONGTIAN、SUOSHUIJITUOMODENG。JIAQIANGJINDEZHANGDUKEYUCHANPINDEZHANGDUYIZHI,LIANGDUANXIANGJIECHANPINDEWAIBI,HUOZHIZHANJUCHANPINBUFENDEZHANGDU,YONGYIJUBUZENGJIACHANPINMOUBUFENDEGANGXING。YAOSHIJIAQIANGJINMEIYOUJIESHANGCHANPINWAIBIDEHUA,WEIDUANBUFENYIBUYINGTURANZHONGZHI,YINGGAIJIANCIDIJIANGGAODUJIANDI,ZHIZHIWANJIE,CONGERJIANSHAOCHUXIANKUNQI、TIANCHONGBUMANJISHAOJIAOHENDENGWENTI,ZHEIXIEWENTIJINGCHANGFASHENGZAIPAIQIBUZUHUOFENGBIDEWEIZHISHANG。ERQIEYINWEISUOSHUIDEWENTI,JINGUDEHOUDUBUNENGDAGUOPINGJUNBIHOUDEHOUDU。YIBANDESHEJIFANGFA : PINGJUNBIHOU’0.65~0.7

DUIYULIAOHOUWODEZONGTIKANFASHI:NENGBOBUHOU,DANDUIBUTONGDECHANPINYINGYOUBUTONGZHIDUIDAI.KEYIGEZHONGYAODEWENTIJIUSHIYAOJINLIANGBAOCHIPINGJUNLIAOHOU.ZAIBUNENGBAOCHIPINGJUNLIAOHOUDESHIHOU,YEYAORANGGUODUBAOCHIPINGHUA.YINWEISUJIAOLIUDONGMEITONGGUOYIGEZHUANZHEDAIHUOLIAOHOUBIANHUAQUDOUHUIYOUYALISUNSHI(DENGTONGSHEYAJIUYAOZENGJIA).ERQIEYICHANSHENGSUOSHUIQUEXIAN.YINGJINLIANGBIMIAN. YOUQIXIANGPCZHEIYANGLIUDONGXINGJIAOCHADECAILIAOGENGYINGGAIZHUYI.

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