Labaran Kamfani

1. Dangantaka mai yawa/daidaita

Matsakaicin dangi yana nufin ƙarar kamfanin sinadarai.

Matsakaicin yana nufin rabon ƙaƙƙarfan ƙaƙƙarfan abu na sinadari zuwa yawan ruwa.

2. Zafin vaporization da coefficient na matsawa

Zafin vaporization shine ƙarar da kowane gram na filastik (cm³/g) ke shagaltar da shi, kumamatsawashine rabon ƙarar ko zafi na vaporization tsakanin foda electrostatic da ɓangaren filastik (darajarsa koyaushe ta wuce 1). Ana iya amfani da su duka don bayyana girman ɗakin fitar da fim. Babban darajar ma'auni yana nuna cewa ƙarar ɗakin fitarwa ya kamata ya zama babba. A lokaci guda kuma, yana nuna cewa foda na electrostatic yana da yawan famfo iska, bututun shaye-shaye yana da wahala, lokacin yin gyare-gyaren yana da tsayi, kuma ƙarancin samarwa ya ragu. Sabanin gaskiya ne idan zafi na vaporization yana da ƙananan, kuma yana da kyau don dannawa da iyakancewa.

3.Ruwan sha

Ruwan ruwa yana nufin matakin narkewar filastik da sha ruwa. Hanyar aunawa shine a fara bushe samfurin kuma a auna shi. Bayan an jika cikin ruwan na tsawon kwana 24 ko biyu sai a cire shi a sake auna shi, sannan a lissafta adadin da aka kara da shi, wato shayar da ruwan. jima'i.

4. Aiki

Ƙarfin filastik na cika rami a ƙarƙashin zafin jiki da matsin aiki ana kiransa aiki. Ita ce babban ma'aunin fasahar sarrafa maɓalli wanda ake la'akari da shi lokacin da tambari ya mutu. Sabon aiki mai sauƙi don samar da walƙiya da yawa, cika rami ba mai yawa bane, sassan filastik ana rarraba su da sauƙi, resin epoxy da filler an tattara su daban, mai sauƙin mannewa ga mold, fitar da ƙura da ƙarewa suna da wahala, ƙasa mai ƙarfi ta yi da wuri da sauran su. rashin amfani. Duk da haka, idan aikin yana da ƙananan, cikawa yana da gajeren lokaci, ba shi da sauƙi a samar da shi, kuma matsa lamba yana da girma. Sabili da haka, aikin yin amfani da robobi ya dace da ƙa'idodin sassa na filastik, samar da matakai da ƙa'idodi.

5. Hard bottoming halaye

Ana canza elastomer na polyurethane zuwa yanayin danko mai ductile a ƙarƙashin dumama da damuwa yayin duk tsari. Yayin da aikin ya fadada, rami ya cika, kuma a lokaci guda, ƙwayar aldol yana faruwa. Ƙimar haɗin kai yana ci gaba da karuwa, kuma aikin yana da sassauƙa. Na'ura ce mai cikakken atomatik wanda ke raguwa kuma a hankali tana bushe kayan da aka narke. A lokacin da stamping molds, gudun da wuya bottoming ne da sauri, da kuma kayan tare da gajeren m jigo ayyukan kamata a mai da hankali don sauƙaƙe ciyarwa, loading da sauke abun da ake sakawa, da kuma zabar tasiri kafa nagartacce da kuma ainihin ayyuka don kauce wa da wuri wuya warping ko wuya. kasawa Karanci, yana haifar da mummunan gyare-gyaren sassan filastik.

6.Danshi da Haɗaɗɗen Halitta masu Sauƙaƙe

Duk nau'ikan robobi suna da matakan danshi daban-daban da mahadi masu canzawa. Lokacin da ya yi yawa, aikin yana faɗaɗa, yana da sauƙin ambaliya, lokacin dagewa yana da tsawo, yana rage haɓakawa, kuma yana da sauƙi don samar da yanayin raƙuman ruwa, haɓakawa da raguwa da sauran lahani da lahani. Ayyukan injiniya da lantarki na sassan filastik. Duk da haka, lokacin da filastik ya kasance mai sauƙi, zai kuma haifar da mummunan aiki da wuyar samu. Saboda haka, ya kamata a yi zafi daban-daban robobi kamar yadda ake bukata. Yana da sauƙi don zafi da kayan da karfi da ruwa mai karfi, musamman a cikin lokacin danshi, koda kuwakayan zafiya kamata a guji. Danshi sha

7.Yanayin zafi

Filastik mai zafin zafi yana nufin wasu robobi waɗanda suka fi sauƙi ga zafi. Lokacin da suka ci karo da zafi a yanayin zafi mai zafi, lokacin ya fi tsayi ko ɓangaren giciye na buɗe abinci ya yi ƙanƙanta. Lokacin da ainihin tasirin yankan ya yi girma, haɓakar zafin jiki na ƙila zai iya haifar da canza launi, ƙaddamarwa, da rarrabuwa. Filastik da irin wannan nau'in halayen ana kiran su robobi masu zafin zafi.

8. Hankalin ruwa

Wasu robobi (kamar polycarbonate) ma suna da ɗan ƙaramin ruwa, amma za su rabu a ƙarƙashin yanayin zafi da matsa lamba. Irin wannan aikin ana kiransa hankali na ruwa, kuma yana da sauƙi don dumama shi a gaba.

9.Ruwan sha

Filastik ya yi hasashen cewa saboda akwai nau'ikan abubuwan da ke da alaƙa da ruwa daban-daban waɗanda ke sa su sami nau'ikan kusancin ruwa daban-daban, ana iya raba robobi kusan zuwa nau'ikan biyu: ɗaukar danshi, mannewar danshi, da rashin hygroscopicity kuma da wahala a manne da ruwa. Ana tsammanin cewa ana sarrafa danshin abun ciki a cikin kewayon da aka yarda, in ba haka ba danshi ya zama tururi a ƙarƙashin babban zafin jiki da matsa lamba ko ainihin tasirin hydrolysis yana faruwa, wanda zai haifar da resin epoxy zuwa kumfa, rage ayyukansa, kuma ya rasa bayyanar da aikin injiniya da lantarki. mai kyau. Sabili da haka, robobi masu shayar da ruwa suna dumama ta hanyar hanyoyin dumama masu dacewa da ka'idoji kamar yadda ake buƙata, kuma ana amfani da shigar da infrared kai tsaye don guje wa sake shayar da danshi yayin aikace-aikacen.

10.Yawan numfashi

Numfashi yana nufin aikin watsa tururi na fim ɗin filastik ko allon filastik

11.Narke ƙima

Ƙimar Melt (MI) ƙima ce mai ƙima wacce ke nuna ayyukan kayan filastik yayin samarwa da sarrafawa.

12.Ƙarfin ƙwanƙwasa / tsagewar elongation

Ƙarfin ƙwanƙwasa yana nufin adadin ƙarfin da ake buƙata don shimfiɗa kayan filastik zuwa wani matakin (kamar ƙayyadaddun yawan amfanin ƙasa ko maƙarƙashiya). Gabaɗaya ana yi masa alama da jimillar yanki na kowace kamfani. Kuma yawan adadin tsawon bayan cire tsayin zuwa tsayin asali shine tsattsauran elongation.

13.Ƙarfin matsawa

Ƙarfin matsawa na kumbura shine ikon robobi don tsayayya da kullun.

14.Tasiri ƙarfin matsawa

Ƙarfin matsi na tasiri yana nufin kuzarin motsi wanda filastik zai iya ɗauka lokacin da ƙarfin waje ya yi tasiri.

15.Ƙarfi

Ƙarfin robobi na gabaɗaya yawanci ana yiwa alama ta hanyoyi biyu na dubawa, taurin Rockwell da taurin Somo. A lokacin, ana amfani da Shao's A sau da yawa don auna robobi masu laushi, irin su TPE da sauran elastomer na polyurethane ko vulcanized roba, da dai sauransu; An yi amfani da Shao's D don auna manyan robobi, irin su robobi na gaba ɗaya da wasu robobin injiniya, kuma galibin robobin aikin injiniya mai ƙarfi ko robobin aikin injiniya mai ƙarfi yakamata Rockwell ya auna.

16.Zafin murdiya

Matsalolin zafin zafi shine zafin da keɓaɓɓen gwajin filastik ya yi tururi zuwa matakin ƙarƙashin matsin aiki da zafin jiki.

17.Dogon tsayin tsayin zafin jiki

Tsawon tsayin tsayin zafin jiki yana nufin juriya na zafin jiki na kayan filastik a cikin aikace-aikacen dogon lokaci.

18.Hali mai jurewa

Halin magungunan da ke da ƙarfi yana nufin gyare-gyaren nauyin nauyi, ƙarar, ƙarfin ƙarfi da haɓaka kayan filastik bayan an nutsar da su a cikin wani nau'i na kwayoyin halitta a yanayin zafi na wani lokaci. Ƙananan bambancin kwayoyin halitta yana nuna kyakkyawan canji na Dielectric low.

19.Juriya tsufa

Juriya na tsufa yana nufin juriya na kayan filastik zuwa haɗarin hasken rana, zafi, iska, iska da ruwan sama a cikin yanayin yanayi na waje, waɗanda ke haifar da sauye-sauye da lalacewa.

20.Tsaratarwa

Tsallakewa yana nufin isar da hasken robobi a yankin haske da ake gani. Ana iya raba robobi zuwa watsa haske, nuna gaskiya da rashin fahimta gwargwadon matakin wucewar haske.

21.santsi

Santsi yana nufin matakin gilashin madubi wanda yayi kama da na sinadarai waɗanda zasu iya kawar da haske. Santsi mai kyau yana nufin haske saman abubuwan sinadarai.

22.Layin insulating yana lalata wutar lantarki mai aiki

Wutar lantarki mai aiki na lalata Layer shine ƙarfin aiki wanda ke haɓaka babban yuwuwar bambanci ga yanki na gwaji don isa ga lalata ƙarfin dielectric, raba ta ƙimar (Kv / mm) na nisa tsakanin na'urorin lantarki guda biyu (kauri na gwajin yanki).

23.zafin fuska

Hakanan ana kiran zafin haɗuwa da zafi na narkewa da vaporization, wanda shine makamashin motsa jiki da ake buƙata don abun da ke ciki ko narkewa da crystallization na polymer crystalline. Ana amfani da wannan ɓangaren makamashin motsi don narke tsarin crystalline na kayan polymer. Don haka, lokacin da ake sarrafa polymer ɗin crystalline ta hanyar yin allura, yana buƙatar ƙarin kuzarin motsi don isa takamaiman zafin jiki na narkewa fiye da lokacin da ake sarrafa amorphous polymer ta hanyar gyare-gyaren allura. Babu buƙatar zafi na narkewa da vaporization.

24.takamaiman zafi

Ƙayyadaddun zafi shine adadin zafin da ake buƙata lokacin da yawan zafin jiki na kayan aiki ya karu da digiri 1 [J/kg.k].

25.thermal diffusivity

Diffusivity na thermal yana nufin ƙimar da ake tsammanin za'a canza yanayin zafi a cikin kayan dumama. Ana kuma kiransa madaidaicin canja wurin zafi. Darajarsa ita ce adadin zafi (ƙayyadaddun zafi) da narkewar kayan abu da kuma sha da ake buƙata lokacin da yawan zafin jiki na kayan albarkatun ƙasa ya tashi da digiri 1. An zaɓi ƙimar zafi (madaidaicin canjin zafi). Matsin aiki ba shi da lahani ga ma'auni na yanayin zafi, amma zafin jiki yana da illa sosai.