China Manufacturer Wholesale Supplier DIN 7991 Hexagon Socket Countersunk Head Cap Bolt

Amfani:

A saman ramin hawan da ke kan haɗin haɗin, ana sarrafa soket ɗin conical na digiri 90, kuma shugaban mashin ɗin na lebur ɗin 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.

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 120 ° drill Reaming, wanda ke haifar da cewa screws na countersunk ba su da damuwa lokacin da suke ƙarfafa screws na countersunk, amma layi a kasan screw head, wanda shine daya daga cikin dalilan da ya sa abin da ake kira countersunk screws ba zai iya rikewa 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.Idan kauri daga cikin sheet karfe ne kasa da kauri daga cikin kai na countersunk kai dunƙule, za ka iya canza karami dunƙule, ko kuma wajen fadada rami karami fiye da fadada ramin sabõda haka, diamita na kasa rami ya zama mafi girma da kuma part ba m.
3. Idan akwai ramukan dunƙule magudanar ruwa da yawa a ɓangaren, zama mafi daidai yayin aikin injiniya. Da zarar an karkace rawar jiki, yana da wuya a ga taron, amma ana iya daure shi muddin kuskuren ya yi karami, saboda lokacin da dunƙulewar ba ta da ƙarfi sosai Ba girma (kimanin da bai wuce 8mm ba), idan aka sami kuskure a nesa da ramin, kan dunƙule zai zama naƙasa saboda ƙarfi lokacin da aka matsa, ko kuma a datse shi.