Dowel-ƙusa - hadari kayyade

Yau, babbar dama daban-daban fasteners amfani a yi masana'antu. Daya daga cikinsu shi ne wani dowel-ƙusa. Ya aka yi amfani da ko'ina ba kawai a kan wani kwararren matakin, amma kuma a cikin rayuwar yau da kullum.

Yau, godiya ta zuwa ga versatility ne saman-sayar da hardware kayayyakin for fasteners. Ana amfani da lokacin da suka zama dole domin kafa wani abu a kan wani m goyon baya, ko da a cikin kankare. Dowel-ƙusa makawa a dauke da fitar rufi aiki, samun iska yi, lantarki shigarwa.

A nasa ne da irin tasiri dowels, da kuma ciwon musamman thread ƙwarai facilitates hawa tsari. Hawa dowel-ƙusa bisa ga Hanyar yin amfani ne zuwa kashi biyu iri:

• don hawa da bindiga.

• domin tuki a tare da guduma.

A cikin farko idan shi ne mai kaifi karfe sanda da ciwon m hat da Fitted tare da wani musamman wanki. Hawa gun harbi ne iya fitar da wani ƙusa a cikin dowel wani surface, ko da a cikin tsarin da karfe.

Amfani da fasteners

Dangane da substrate abu da kuma yanayi a karkashin abin da aiki zai faru, da kuma karba a fastener, tun zane fasali da kaddarorin da daban-daban. Alal misali, ga thermal rufi aiki ta amfani da dowel-ƙusa tare da wani m m hula. Its zane bai ba da izinin janye zafi ta hanyar hawa rami.

A mafi girma amfani ne da cewa shi za a iya amfani da su amince da daban-daban zafi-insulating kayan a kan wani surface, ko na zama kankare, halitta dutse ko tubali. A wannan yanayin, da hita za a iya amfani da irin wannan abu:

• kumfa.

• polystyrene.

• toshe kwalaba.

• ma'adinai ulu.

• polyurethane.

Dukan su suna sauƙin gyarawa a kan m Dalili na dowel-ƙusa, shi da cikakken ba karya ko dakushewa. Wannan irin fastener kuma ake kira facade, kamar yadda aka fi amfani ga thermal rufi na ganuwar da gine-gine. A cikin hali na ci gaba da daukan hotuna zuwa danshi rufi, shi ne bu mai kyau zuwa zabi wani roba fasteners. Shi ne mafi inganci saboda abu daga abin da aka yi, ba zai tsatsa stains kuma duk da mummunan tasirin da ruwa, zai zama mai dogon lokaci ba tare da succumbing wa ga halaka.

Bambance-bambance na wannan fastener

Dowel-ƙusa taro ne na iri biyu:

• Threaded.

• ba tare da thread.

A farko irin karkatarwa da sukudireba, kuma ana iya amfani da sau da dama. Na biyu embodiment kama wani ƙusa talakawa, wanda aka hammered a cikin fastener gidaje ta wajen wani guduma.

Structure countersunk dowel-ƙusa hada da wani gidaje da kuma wani dunƙule, kuma yana da wata countersunk kai. Da farko, a cikin bango ko wasu substrate ne wani rami. To, shi ne saka a cikin jiki, da kuma a karshe ci da gumi a cikin dunƙule. Lokacin da sako na sanda jerawa zone wedged kayayyakin da dowel haka sandararru.

Yana nufi wani ƙusa na kayyade wa m kayan kamar kankare ko halitta dutse, daban-daban na katako abubuwa kamar plaster lathing ko kofa da taga Frames.