Jagoran Mai Aikata Ga Adhesives

Jagoran Haƙiƙa Zuwa Adhesives----Rayuwar Shelf, Ƙarfin Ƙarfin Ƙarfafawa, da Mahimman Kariya

Adhesives hakika nau'in sinadari ne wanda kowa ke yawan amfani da shi a rayuwar yau da kullun. Adhesives gama gari sun haɗa da babban manne, biyu- tef mai gefe, tef ɗin manne, sandunan manne, da ƙari. A yau, za mu raba wasu shawarwari masu amfani don amfani da waɗannan adhesives. Ina da yakinin cewa idan kun gama karanta wannan labarin, za ku sami wani abu mai mahimmanci.

A lokacin aikin haɗin gwiwa na manne, tsaka-tsakin da ke haɗa kayan biyu-wato, manne da kanta- galibi yana cikin sigar ruwa mai ruwa. Yana cikin nau'in sinadarai masu kyau kuma ya zo da yawa iri-iri. An rarraba shi da farko bisa ga tushen manne (binder), sigar jiki, hanyar warkewa, da kayan abubuwan da za a haɗa su. A takaice dai, nasarar haɗin gwiwa ya dogara da 30% akan m da 70% akan tsari (fasaha).

1. Rayuwar Rayuwa

1. Kowane samfurin yana da ƙayyadadden rayuwar shiryayye. Dangane da ƙa'idodin ƙasa da ƙasa, an ayyana rayuwar shiryayye a ƙarƙashin yanayin yanayin ɗaki (24°C). Don adhesives na acrylic, ma'aunin zafin jiki shine 20 ° C.

2. Don acrylic - samfuran tushen, mafi girman zafin jiki, gajeriyar rayuwar shiryayye.

3. Don samfuran tushen ruwa, yanayin zafi da ke ƙasa - 1°C zai shafi ingancin samfur kai tsaye.

1. Ƙarfi

1. Babu wani abu kamar manne na duniya a duniya. Don maɓalli daban-daban, yana da kyau a zaɓi wani manne na musamman wanda aka ƙera don takamaiman kayan.

2. Idan substrate kanta yana da ƙananan ƙarfi na asali, babu buƙatar zaɓar babban - manne mai ƙarfi; in ba haka ba, za ku ƙare - ƙayyadewa da haɓaka farashi ba dole ba.

3. Kada ka mai da hankali kawai ga babban ƙarfin haɗin farko; karko ya kamata kuma a yi la'akari sosai.

4. Adhesives da ke warkewa a babban zafin jiki gabaɗaya suna ba da kyakkyawan aiki fiye da waɗanda aka warke a zafin ɗaki. Idan ana buƙatar ƙarfi mai ƙarfi da dorewa mai kyau, ya kamata a zaɓi manne mai zafi mai zafi.

5. Don Ethyl2-Cyanoacrylate adhesives (502 super manne), sai don gyare-gyaren gaggawa, ƙananan - facin yanki, ko aikace-aikacen layi na ci gaba, ba a ba da shawarar su ga kayan da ke buƙatar ƙarfin haɗin gwiwa ba.

1. Sauran La'akari

1. Ba za a iya amfani da farin manna (PVA adhesive) da urea

2. Don aikace-aikacen da ke buƙatar bayyana gaskiya, zaku iya zaɓar adhesives na polyurethane, adhesives epoxy na gani, cikakken polyester adhesives, ko polyvinyl acetal adhesives.

3. Kada mannen ya zama mai lalacewa ga abubuwan da ake ɗaure su. Misali, ba za a yi amfani da abubuwan da ake amfani da su ba -

4. Adhesives tare da babban brittleness ba su dace da haɗin kai mai laushi ko sassauƙa ba.

1. Rigakafin Amfani da Abubuwan Adhesives - Sashe na (AB).

1. Don mannen abubuwa guda biyu, koyaushe ku bi rabon hadawa da aka kayyade a cikin littafin koyarwa.

2. Kafin amfani, abubuwan biyu dole ne a zuga su sosai kuma daidai. Kada ku bar kowane wuraren da ba a haɗa su ba; in ba haka ba, manne ba zai warke ba.

3. Dole ne a tsaftace abubuwan da ake amfani da su da kyau kuma dole ne su kasance marasa danshi (sai dai idan an tsara manne don magance ruwa).

4. Don cimma babban ƙarfin haɗin gwiwa, ya kamata a zubar da substrates (sanded) gwargwadon yiwuwa.

5. Zane na haɗin haɗin gwiwa kai tsaye yana rinjayar ƙarfin haɗin gwiwa na ƙarshe.

6. Dole ne a haɗa manne kuma a yi amfani da shi nan da nan. Kada a bar shi a tsaye na dogon lokaci bayan haɗuwa. Don nau'ikan masu saurin warkewa, bai kamata lokacin aiki gabaɗaya ya wuce mintuna 2 ba.

7. Idan ana son ƙarfin ƙarfi da saurin warkewa, ana iya amfani da dumama yadda ya dace. Lokacin amfani da m, Layer bai kamata ya kasance mai kauri ba; kimanin 0.5 mm ana bada shawarar. Yadudduka masu kauri a zahiri suna rage tasirin haɗin gwiwa.

8. A lokacin haɗin gwiwa, yana da kyau a yi amfani da matsa lamba ko amintaccen sassa tare da matsi.

9. Don iyakar ƙarfi, ƙyale taron haɗin gwiwa ya huta aƙalla awanni 24 bayan haɗin gwiwa.

10. Don guda ɗaya - na'ura mai ƙarfi - tushen ko ruwa - tushen mannewa, koyaushe yana motsawa sosai kafin amfani.

11. Don kaushi-kayayyakin tushen, bayan shafa manne, ƙyale saman da aka lulluɓe ya yi iska- bushe har sai ya daina takura kafin haɗa sassan tare.