DIN7991 Black Hex Socket Countersunk Head Cap Bolt
Menene hex soket countersunk head bolt?
Countersunk bolts su ne na'urorin ɗamara masu kai da kai tare da tukin soket na hex a cikin kai.Countersunk bolts suna da nau'in mazugi tare da lebur kai, lebur kai hex socket bolts, lebur kai soket hula kusoshi wasu laƙabi na hex head kusoshi.An bayyana ma'auni na bolts na Countersunk a cikin nau'ikan awo da na masarautu tare da haɗe-haɗen farar farar ƙasa (UNC), tarar farar (UNF), kafaffen farar farar (UN) da bayanin martabar ma'aunin zaren ISO.Ana samar da waɗannan a duk nau'ikan kayan aiki da ƙayyadaddun ASTM amma galibi ana samarwa a ƙarƙashin F568 aji 8.8, 10.9,12.9, F593, BS, EN, ISO3506-1, SS304, SS316,2205, da sauransu.
Aikace-aikace
A saman ramin hawan da ke kan haɗin haɗin gwiwa, ana sarrafa soket ɗin conical na digiri 90, kuma shugaban mashin ɗin na lebur yana cikin wannan kwas ɗin zagaye, wanda ke gudana tare da saman ɓangaren haɗin.Hakanan ana amfani da mashinan lebur ɗin lebur a wasu lokatai tare da na'urar lebur ɗin zagaye na kai.Irin wannan dunƙule ya fi kyau kuma ana amfani dashi a wuraren da saman zai iya ba da izinin ɗan ƙarami.
Yawancin hex soket countersunk head bolts ana amfani da su a wuraren da ba za a iya ɗaga saman ɓangaren ba bayan shigarwa.Akwai nau'ikan sassa biyu da za a ɗaure.Kaurin kai, bayan an ɗora dunƙule, wani ɓangare na zaren zaren har yanzu bai shiga ramin da aka zare ba.A wannan yanayin, da countersunk kai dunƙule lalle za a iya tightened.
Mazugi na kan dunƙule kai na countersunk yana da kusurwa 90 ° mazugi.Yawancin lokaci, kusurwar koli na sabon abin rawar sojan da aka saya shine 118 ° -120 °.Wasu ma'aikatan da ba a horar da su ba su san wannan bambancin kusurwa ba, kuma sau da yawa suna amfani da rawar motsa jiki na 120 ° Reaming, wanda ke haifar da cewa screws na countersunk ba su da damuwa lokacin da suke ƙarfafa screws na countersunk, amma layi a kasa na shugaban dunƙule, wanda shine. daya daga cikin dalilan da yasa abin da ake kira hex socket countersunk head bolts ba zai iya rikewa sosai ba.
Kariya yayin amfani
1.The taper na reaming rami ya zama 90 °.Don tabbatar da shi, yana da kyau ya zama ƙasa da 90 °, ba fiye da 90 ° ba.Wannan dabara ce mai mahimmanci.
2.If da kauri daga cikin takardar karfe ne kasa da kauri daga cikin shugaban countersunk kai dunƙule, za ka iya canza karami dunƙule, ko wajen fadada rami karami fiye da fadada rami sabõda haka, diamita na kasa rami ya zama ya fi girma. kuma bangaren bai takura ba.
3. Idan akwai ɗigon hex soket countersunk head bolt ramukan a ɓangaren, zama mafi daidai yayin aikin injiniya.Da zarar na'urar ta karkace, yana da wuya a ga taron, amma ana iya daure shi muddin kuskuren ya yi kadan, saboda lokacin da dunƙulewar ba ta da girma sosai (kimanin da bai wuce 8mm ba), lokacin da aka sami kuskure a ciki. nisan ramin, kan dunƙule zai zama naƙasasshe saboda ƙarfi lokacin da aka ɗaure shi, ko kuma a ɗaure shi.
Ma'aunin Samfura
| Sunan samfur | hex socket countersunk head hula bolt |
| Daidaitawa | Farashin 7991 |
| Diamita | M3-M20 |
| Tsawon | ≤800mm |
| Kayan abu | Karfe Karfe, Bakin Karfe, Bakin Karfe, Brass |
| Daraja | 4.8,6.8,8.8,10.9,12.9 A2-70 A2-80 A4-70 A4-80 |
| Zare | Ma'auni |
| Gama | Plain, Black oxide, Zinc Plated (Clear/Blue/Yellow/Black), HDG, Nickel, Chrome, PTFE, Dacromet, Geomet, Magni, Zinc Nickel, Zinteck. |
| Shiryawa | girma a cikin kwali (25kg Max.)+ Pallet itace ko bisa ga buƙatar abokin ciniki na musamman |
| Aikace-aikace | Tsarin Karfe;Ƙarfe Ƙarfe;Hasumiyar Mai & Gas&Pole;Makamashin Iska;Injin Injiniya;Mota Ado Gida |
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