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分享玻璃鋼模具建造手藝及加工要點

宣布時候:2020-01-03 16:58:48 禮拜五
擇要:

BOLIGANGMOJUSHOUYISHICHUCHANDAPIBOLIGANGCHENGPINDEXUYAOQIANTI。WEILEJINBUFRPCHENGPINDEPINZHI,QISHOUYAOYOUHAODEMOJU,JINENGZHIZUCHENGPINCHICUNDEJING […]

BOLIGANGMOJUSHOUYISHICHUCHANDAPIBOLIGANGCHENGPINDEXUYAOQIANTI。WEILEJINBUFRPCHENGPINDEPINZHI,QISHOUYAOYOUHAODEMOJU,JINENGZHIZUCHENGPINCHICUNDEJINGDU,YOUNENGANZHAOCHENGPINJINENGZHIZUQIBUJULIXUEHELIXUEJINENG。ZAIWAIBIAOJIEGUOFANGMIAN,YAOYOUJIECHUDEGUANGLIANGDU、GUANGLIANGDUHEPINGJUNHOUDU。WEILENENGGOUHUOXUCHUCHANCHUGAOPINZHIDEMOJU,BINGZHENDUIJINCHAOGUOJIMOJUJIANZAODESHOUYISHUIANRANPINGJINGPINZHIZHUANGKUANG,XIANJIANGMOJUJIANZAOJINCHENGMIAOXIEYIXIA,GONGSHOUYITONGYECANKAO。

1、 模具建造前提
1。環境前提
溫度:在陽模和陰模的全數建造進程當中,應堅持不異的環境溫度,即21-28℃。

SHIDU:SHIDUDUIJIAOYIHESHUZHIDEGUHUAYOUHENDAYINGXIANG。BAOFUDESHIDUGUIMOSHI40-60。MOJUJIANZAOSHI,RUOJUEDUISHIDUKUAYUE65DU,YINGZAISHIGONGHOUQIDAISHIHEDECHUCHANQIANTI,CHUGESHINANFANGHEYANANDIYUSHIDUJIAOGAO,YINGJIABEIJINSHEN。

2。QINGJIECHEJIAN

ZAIANGZANGDEHUANJINGDANGZHONG,BUNENGGOUCHUCHANCHUGAOPINZHIDEMOJU。YINYANGMOJUJIANZAOQUYAOGAODUQINGJIE,BAOHUBANLIGUIFANYAOGAOYUCHANWUCHUCHANQU。SHIYI,ZAIMOJUJIANZAOQITOUSHI,YINGTIZAOZUOHAOMOJUJIANZAOQUDECHUCHENHEQINGJIERENWU。

SAN。QINGJIEDEJINSUOFENWEI

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2、 MOJUTUZHUANGDECAOZONGJINCHENGSHIMOJUJIANZAODEGUANTOUGUANJIAN。NAIZHINENGGOUSHEXIANG,MOJUTUCENGBIANSHIQUANSHUMOJU。YIQIEDEBEICENGHEBUJUKUANGJIAYONGYUMOJUWAIBIAOTUCENG。

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一。噴涂裝備是模具建造進程當中的一個主要關鍵。恰當的射流壓力對避免多孔、活動和分色景象有主要感化。
今朝利用的871噴槍,在噴槍罐當中,用手夾雜固化劑,以確保切確的比例。可是,噴槍發生的扇形夾雜氣的散布發生很好的霧化結果,放射速率比泵送體系慢,其任務時候受質料凝膠時候的限定。

2。模具橡膠套的查驗
模具橡膠套的貯存期是一個很是嚴酷的目標,按照橡膠套供給商的倡議,這是很是主要的。在大大都環境之下,建造商能夠保障橡膠套從包裝到特按時候的品質。是以,出產查驗職員應常常查抄每桶膠衣的出產日期或日期編號,以確認膠衣是不是在有用利用壽命以內。

(1) LIYONGHOU,YONGQIDONGJIAZAQIJIANGMEITONGMOJUJIAOYICHONGSHIJIAZA,BINGQUEBAOTONGNEIYIQIEZILIAOWANZHENGJIAZA。ERHOU,RANGJIAOYIDOULIUJIFENZHONG,GUIFUQIBENSHENDEZHANDU,ERHOULIYONG。

(2) 溫度
確認膠衣的溫度在21~28℃間,這是成型工藝請求的恰當溫度。每一個桶的凝膠時候
由供給商明白劃定。進廠以后,質檢局部必須查抄膠凝時候,即
A,樣品應到達規范實驗溫度25℃;
B,插手劃定量的固化劑,攪拌平均;
C,記實從固化到插手明膠的時候。

 

(4) 粘度
有須要用Brookfield粘度計測試膠衣的粘度。膠衣樣品的溫度為25℃。

a、 挑選適合的轉子安排在樣品當中;
b.低速和高速扭轉粘度計;
C.記實讀數并將其轉換為粘度指數。

MOJUZILIAODEPINZHICHAYANSHIMOJUCHUCHANQIYECHANGCHANGQINGHUDEZHUYAOGUANJIAN。

三。模具應停止脫模蠟、脫模劑處置
脫模蠟或脫模劑處置。

(1) BOLIGANGMOJUSHUIMOGUANGYIHOUXIZHUOQINGJIE,YONGMAOJINCAGAN。WANZHENGKUZAOYIHOU,YONGQIADANGTUOMOLA(MEIGUOCHUANYONGPINPAIr333)BAO3-4CENGQINGJIESHABU,YONGJUANQUFAPINGJUNTUMOZAIMOJUWAIBIAO,QIDAI3-5FENZHONG,YONGQINGJIEDEBAIMAOJINCASHIZHIJINGMIANJIEGUO,ANPAIYUE2XIAOSHI。FANFUSHANGSHUCAOZONG4CI。DIWUCISHOUSHUYANXU6XIAOSHIKUAYUE。

ZAIFANGHUAMIANHEPANGZAWAIXINGSHANGTULAYIHOU,CHANGYILVCILIYONGTUOMOJI。

(2) A.XINMOJUHUOJIUMOJUYONGQIADANGDERONGJI(RUBINGTONG)XIZHUO,WAIBIAODEZAZHIHELAGOUYINGXIZHUOKUZAO。

B、 chemleas PMRYONGQINGJIEDESHABUJINRUNYIHOU,TUZAIMOJUZHISHANG。

C、 TUMOYIHOU,ZAIchemlease PMRKUZAOHEJIANGUZHIQIAN,YONGGANBUPINGJUNDITUMOWAIBIAODEYIQIEJUBU。

D、 CHUCILIYONGBENPINSHI,BIXUFANFU4-5CI,JULIYUE10-20FENZHONG。RUOSHIMOJUMIANJIJIAODA,KEZAIMEICITUMOYIHOUCHIXUTUMO。ZHONGJIUYIDAOTUCENGYIHOU,MOJUBIXUYONGGANBUDAMO,BINGXUKEQIJINGZHIYIXIAOSHIKUAYUE。

E、 YICILIYONGSHI,JIAOYINENGGOUNANYITUSHUA,ZHESHITUOMOJIEGUOTAIHAODEYUANYOU,NENGGOUTUSHUASHAOXUTUOMOLA,YIHOUBUYONGLIYONG。

F、 RUOSHITUOMOJIANKU,ZEJIENAchemleas PMR 1-2CI,YIJIELIUBENQIAN,BAOZHANGPINZHI。

四。噴涂凝膠涂層
在模具涂之上脫模蠟(劑)以后噴涂凝膠涂層。倡議模具膠層厚度為1mm,膠層分為兩層,分兩次噴涂,每層厚0.5mm,每層噴涂三次,一次噴涂0.15mm~0.17mm。模具膠層厚度須要嚴酷節制,請求每次噴涂以后用膠層尺在模具外表多處切確丈量膠層厚度。

準確的涂裝方式為:
⑴噴涂第一層,厚度為0.15mm~0.17mm。

(2) CHUIZHIYUDIYICENGPENTUDIERCENG,HOUDUWEI0.15 mm~0.17 mm。

(3) ANDIYIDAOQIDEBIAODEMUBIAOPENTUZHONGJIUYIDAOQI,SHIDIYIDAOQIDEHOUDUWEI0.5mm。

(4) WEIBIMIANKAILIEHUOQIZHOU,ZAIDIYICENGGUHUAYIHOUZAIPENYICENGJIAOYI。CHANGWENGUHUASHIHOU90FENZHONG。

 

3、 噴涂涂料以后
1-3小時鋪設模具層。涂料固化以后,外表不粘時,鋪模層。今朝,咱們根基上接納傳統的多步攤鋪法。

一。原資料:
A,模具樹脂
模具樹脂熱變形溫度高,縮短率低,根基選用間苯樹脂和乙烯基樹脂。

B、 BOLIXIANWEIZENGQIANGZILIAO

DUANQIEYUANSIZHANSHIYIZHONGHENSHIHAODEMOJUZENGQIANGZILIAO,NENGGOUZUIDAXIANZHIDIXUEJIANXIANWEIXIANDEYINSHUA。YUZHENZHIXIANWEIZHANHEXIANWEIJIZHIWUBINI,DUANQIEZHANJUBEIGENGDUODECHANGCHU。

C、 品質查驗
為確保模具樹脂合適利用請求,還應答模具膠層停止品質查驗。包含資料貯存周期、各批次的夾雜實驗和凝膠時候和粘度的測試。

2。DIYICENG

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SAN。PUTONGHOUCENGHOUDUWEIM450×4~5+Rx×n,XIAOMOHOUYUE8mm,DAMOHOUYUE15mm。CHUCHANSHANGBIXUYANKULVXINGDUIMAGONGYIHESHIHOUBIAO。

SI。NIDINGPUCENGDASUANDEYIGEHAOFANGSHISHICHAKANPUCENGYINGDUDEBIANGENG。DANGGAICENGDEYINGDUDAODAWANZHENGGUHUAYINGDUDE80%~90%SHI,KETINGZHIZHIXIAYICENGDEPUSHE。DANGLIYONGYINGDUJIZHANGLIANGCENGYINGDUSHI,XUYAOJISHILVCIDUSHUBINGJIJIAOPINGJUNZHIZUOWEIYINGDUZHI。ZHELEIFANGSHINENGGOUXIAOMIYINWEIYANGHUSHIHOUDECHABIEERYINFADESHUJUPIANCHA,BINGQIEFANSHIBIANPUZHUSHIHOUBIAOPUZHUCENGYAOKUAI。

4、 MOJUWAIBUBUJU

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5、 脫模
框架布局完整固化以后,便可脫模。第一步是先將模具邊緣按挨次切割,而后在公模和母模間平均拔出多個開釋楔,平均施力(不要零丁施力,以避免破壞模具),用橡皮錘敲打各應力集合部位(不要用鐵錘),終究完整脫模。

6、 模具處置以后
脫模以后,細心查抄模具各部位,發明外表缺點應說明并標記。在抱負狀況之下,模具不須要對外表停止拋光,只要對模具外表停止拋光便可。普通環境之下,模具達不到抱負狀況,必須按傳統方式對模具停止拋光。

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