Lokacin da ake yin sa a cikin wani abu mai ci gaba, matsin lamba mai riƙe da komai, yanayin matsin lamba, da kayan masarufi duk suna shafar ikon samun sakamako mai ɗorewa ba tare da lanƙwasa ba.
T: Muna zana kofuna daga ƙarfe mai daraja 304. A tasha ta farko ta injinmu mai ci gaba, muna zana kusan inci 0.75 zurfi. Lokacin da na duba kauri na kewayen flange na blank, bambancin daga gefe zuwa gefe na iya zama har zuwa inci 0.003. Kowane bugun ya bambanta kuma ba ya bayyana a wuri ɗaya. An gaya mini yana da alaƙa da sarrafa kayan, wataƙila gefen waje na babban coil. Ta yaya za mu iya samun kofi mai siffar da ta dace ba tare da lanƙwasa ba?
A: Na ga tambayarka ta haifar da tambayoyi biyu: na farko, canje-canjen da kake samu a tsarin caca, na biyu kuma, kayan da aka yi amfani da su da kuma takamaiman bayanan su.
Tambaya ta farko ta yi magana game da kurakuran ƙirar kayan aiki na asali, don haka bari mu sake duba mahimman bayanai. Canje-canjen kauri na lokaci-lokaci da canje-canjen bayan zane akan flanges na kofuna suna nuna rashin isasshen guraben kayan aiki a cikin tashar zane mai ci gaba. Ba tare da ganin ƙirar die ɗinku ba, dole ne in ɗauka cewa bugun zane da radii da gibin su sun cika duk sigogin ƙira na yau da kullun.
A cikin zane mai zurfi, ana riƙe fankon tsakanin fankon zane da fankon mai riƙewa, yayin da fankon zane ke jawo kayan cikin fankon zane, yana zana shi a kusa da radius ɗin zana don samar da harsashi. Akwai gogayya mai yawa tsakanin fankon da fankon mai riƙewa. A lokacin wannan tsari, ana matse kayan a gefe, wanda shine dalilin lanƙwasawa da tsawaita radial na mai riƙe fankon akan kwararar kayan. Idan matsin riƙewa ya yi yawa, kayan zai karye ƙarƙashin jan ƙarfin shimfiɗawa. Idan ya yi ƙasa sosai, lanƙwasawa zai faru.
Akwai iyaka tsakanin diamita na harsashi da diamita mara komai wanda ba za a iya wuce shi ba don nasarar aikin zane. Wannan iyaka ya bambanta da kashi na tsawaita kayan. Dokar gabaɗaya ita ce 55% zuwa 60% don zane na farko da 20% ga kowane zane na gaba. Hoto na 1 dabara ce ta yau da kullun don ƙididdige matsin lamba na mai riƙe da komai da ake buƙata don shimfiɗawa (Ina ƙara aƙalla 30% na ƙarin ƙarfin a matsayin abin tsaro, ana iya rage shi idan ana buƙata, amma yana da wuya a ƙara bayan an kammala zane).
Matsin lamba na mariƙin da babu komai p shine 2.5 N/mm2 ga ƙarfe, 2.0 zuwa 2.4 N/mm2 ga ƙarfe da kuma 1.2 zuwa 1.5 N/mm2 ga ƙarfe da aka yi da aluminum.
Bambancin kauri na flange kuma yana nuna cewa ƙirar kayan aikinku ba ta da ƙarfi sosai. Takalmanku na mold dole ne su yi kauri sosai don jure wa jan ba tare da ɗaurewa ba. Tallafin da ke ƙarƙashin takalmin die dole ne ya zama ƙarfe mai ƙarfi, kuma fil ɗin jagora na die dole ne ya yi girma sosai don hana duk wani motsi na saman da ƙasan die a lokacin shimfiɗawa.
Duba labaranka kuma. Idan jagororin injinan bugawa sun lalace kuma sun yi laushi, ba kome ko kayan aikinka yana da ƙarfi - ba za ka yi nasara ba. Duba maɓallin dannawa don tabbatar da cewa tsawon bugun injinan ya kasance daidai kuma murabba'i. Tabbatar cewa man shafawar zanenka an tace shi sosai kuma an kula da shi, kuma girman aikace-aikacen kayan aiki da matsayin bututun ƙarfe an gyara su. Duba sosai duk kayan aikin bugawa don tabbatar da kammala saman, shafi da daidaito daidai. Kuma ku kula da radius na zane; yanayin su da saman aikinsu dole ne su kasance cikakke.
Haka kuma, yayin da abokan ciniki ke ɗaukar 304L da daidaitaccen 304 a matsayin waɗanda za a iya musanya su, 304L shine mafi kyawun zaɓi don zane. L yana nufin ƙarancin carbon, wanda ke ba 304L ƙarfin samarwa na 0.2% na 35 KSI da 304 na 0.2% na 42 KSI. Tare da raguwar ƙarfin samarwa da kashi 16%, 304L yana buƙatar ƙarancin ƙarfi don samarwa lokacin ƙirƙirar da saita siffar da aka samar. Yana da sauƙin amfani.
Are shop stamping or tool and die issues confusing you?If so, please send your questions to kateb@thefabricator.com and have them answered by Thomas Vacca, Director of Engineering at Micro Co.
Mujallar STAMPING ita ce mujallar masana'antu guda ɗaya tilo da aka keɓe don biyan buƙatun kasuwar tambarin ƙarfe. Tun daga shekarar 1989, mujallar ta kasance tana ba da labarai game da fasahohin zamani, yanayin masana'antu, mafi kyawun ayyuka da labarai don taimakawa ƙwararrun masu tambarin su gudanar da kasuwancinsu yadda ya kamata.
Yanzu da cikakken damar shiga bugu na dijital na The FABRICATOR, samun damar samun albarkatun masana'antu masu mahimmanci cikin sauƙi.
Bugun dijital na Jaridar The Tube & Pipe yanzu ya zama cikakke, wanda ke ba da damar samun albarkatu masu mahimmanci a masana'antu cikin sauƙi.
Ji daɗin cikakken damar shiga bugu na dijital na STAMPING Journal, wanda ke ba da sabbin ci gaban fasaha, mafi kyawun ayyuka da labaran masana'antu don kasuwar tambarin ƙarfe.
Yanzu da cikakken damar shiga bugu na dijital na The Fabricator en Spanish, samun damar samun albarkatun masana'antu masu mahimmanci cikin sauƙi.