Alamar lebur washers

"Shin ana bukatar a yiwa masu wanki flat?" "A'a?"

"Shin suna bukata?”……

A yau za mu tattauna wannan batu tare da ku, watakila mutane da yawa a cikin masana'antu za su yi tunani"Xiaowan ah, kai ɗan rashin ƙwarewa ne…….”.

Kamar yadda muka sani, lebur washers a matsayin fastener dangane da muhimmanci fit, yafi taka rawa wajen kara lamba yankin, watsar da rawar lamba lamba. Mafi yawan masu wanki da ake amfani da su a taron masana'antu ba su da alama kamar wanda ke cikin hoton da ke ƙasa.

To, menene lamuran da za a yiwa masu wankin lebur ɗin alama?

(1) Masana'antar samarwa don guje wa haɗakar kayan

Flat washers don samar da tsari na kunkuntar tsiri stamping gyare-gyaren, samar shuka a cikin lebur wanki surface alama ne domin kauce wa samar da guda bayani dalla-dalla na daban-daban kayan lebur washers, a cikin samar ko wucewa tsari na abu rikice da kuma hanyar aiwatar da iko. Misali, da"304”a cikin siffa mai zuwa, wato, a madadin mai wanki yana da kayan A2. Idan masana'anta sun samar da mai wanki na ƙayyadaddun bayanai iri ɗaya a cikin kayan 316 a lokaci guda, to ana iya yiwa mai wanki alama da"316”or "A4”.

Wannan nuni na abu ganewa ne na kowa a bakin karfe lebur washers, dalilin shi ne cewa bayan samar da bakin karfe kayayyakin ne kullum kawai yi bayan tsaftacewa da passivation, daga bayyanar m fari, ba zai iya intuitively bambanta da abu.

Abubuwan da ke bayyane a saman saman bakin ƙarfe na lebur washers na iya yadda ya kamata guje wa samarwa ko tsarin haɗuwa da kayan gauraye.

(2) daidaitattun tanadi

Wasu ƙa'idodi na samfur suna ƙayyadaddun buƙatun masu wanki masu lebur waɗanda aka yiwa alama, misali, ma'auni"EN”, "EN”, "EN”, "EN”, "EN”kuma"EN”.

Misali, ma'auni"TS EN 14399-5 (GB / T 32076.5) da aka ɗora a kan manyan kayan haɗin gwiwa mai ƙarfi da aka rufe”a cikin quenched da tempered lebur washers ya kamata a yi alama da concave, kamar yadda aka nuna a kasa:

Misali, ma'auni"ASTM F436 Masu Wanke Karfe”ya ƙayyade cewa masu wankin da ke ƙarƙashin wannan ma'auni ya kamata a yi musu alama tare da"F436”alama, kamar yadda aka nuna a kasa:

Za a iya dogara da masu wankin lebur ɗin da aka yi wa alama ko ba a yi musu alama ba?

Duban ƙa'idodin samfur na yanzu, ƙa'idodi don masu wanki ko kunna alamar ba a fayyace a sarari ba.

TS EN ISO 898-3: 2018 (Kayan injunan kayan ɗamara - masu wanki mai lebur) Ma'aunin shine aiwatar da buƙatun aikin don ƙarfe na carbon, gami da kayan lebur a cikin 2018, wanda babi na 9.2 don alamar wankin lebur ya ba da cikakkun tanadi.

Alamar wankin lebur na iya kasancewa bisa ga shawarar masana'anta ko ta yarjejeniya tsakanin wadata da buƙata.

Ba za a yi wa masu wankin lebur ɗin alama da harufa masu tasowa ba. Yawancin lokaci ba a ba da shawarar yin alama ba saboda yana iya canza maƙarƙashiya-ƙulla alaƙar ƙarfi na haɗin gwiwa-kwaya ko haifar da yawan damuwa wanda zai iya haifar da fashewar mai wanki.

Abubuwan biyun da ke sama sun nuna cewa sanya wankin lebur ɗin ba dole ba ne, kuma ya rage ga mai siyarwa ne ya yanke shawara ko tattaunawa ko ana buƙatar alamar kafin oda. Ba a ba da shawarar yin alama a saman masu wankin lebur tare da haruffan da aka ɗora ko maɗaukaki ba.

Austenitic bakin karfe lebur mai wanki surface concave alama zai canza kulle - goro haɗa mataimakin karfin juyi - clamping karfi dangantaka dole ne a tabbatar, yana da tabbacin cewa, saboda low taurin austenitic bakin karfe, concave alama ba zai kai ga danniya maida hankali a cikin wanki, ba zai haifar da fatattaka na wanki.