Uchina wa Heix Hex Mkuu wa DIN571 Mchoro wa Wood kwa mtengenezaji na Msambazaji | Ruiye

Nywele za Hex Kichwa DIN571 Parafujo ya Wood kwa Wood

Maelezo mafupi:

Nyenzo: chuma cha kaboni Q195, Q235 / chuma cha pua

Saizi: M6 M8 M10 M12 M16…

Urefu: 25mm-160mm…

Kumaliza uso: mabati


Maelezo ya Bidhaa

Vitambulisho vya Bidhaa

Parafujo :

Parafu ni aina ya kufunga, kwa njia zingine zinazofanana na boliti, kawaida imetengenezwa kwa chuma, na inajidhihirisha na ridge ya nguvu, inayojulikana kama  uzi wa kiume  (uzi wa nje). Parafujo s hutumiwa kufunga vifaa kwa kuchimba ndani na kuogelea kuwa nyenzo wakati inageuka, wakati uzi hukata grooves kwenye nyenzo iliyofungwa ambayo inaweza kusaidia kuvuta vifaa vilivyofungwa pamoja na kuzuia kuvuta nje. Kuna screws nyingi kwa aina ya vifaa; zile za kawaida hufungwa na screws ni pamoja na kuni, chuma karatasi, na plastiki.

Kamba kawaida itakuwa na  kichwa  upande mmoja ambao una sura maalum iliyoundwa ambayo inaruhusu kugeuzwa, au  kuendeshwa , na chombo. Zana za kawaida za screws za kuendesha ni pamoja na screwdrivers na wrenches. Kichwa kawaida ni kikubwa kuliko mwili wa ungo, ambao huzuia screw isiingizwe zaidi kuliko urefu wa screw na kutoa  uso wenye kuzaa

Screw Wood:

Zoko za kuni za mapema zilitengenezwa kwa mkono, na safu ya faili, vifurushi, na zana zingine za kukata, na hizi zinaweza kutambuliwa kwa urahisi kwa kutaja nafasi zisizo na kawaida na sura ya nyuzi, na pia alama za faili zilizobaki kichwani mwa screw. na katika eneo kati ya nyuzi. Wengi wa screws hizi zilikuwa na mwisho mkweli, zikikosa kabisa ncha kali ya bomba juu ya screws zote za kisasa za mbao. Mwishowe, matundu yalitumiwa kutengeneza visodo vya kuni, na patent ya mapema ilikuwa inarekodiwa mnamo 1760 huko England. Wakati wa zana za kuapisha za 1850 zilitengenezwa ili kutoa sare zaidi na thabiti thabiti. Screw zilizotengenezwa na zana hizi zime na mabonde ya mviringo na nyuzi kali na kali. Viunzi vyenye kuni vilitengenezwa na kukatwa hufa mapema miaka ya 1700s (labda hata kabla ya 1678 wakati yaliyomo kwenye kitabu ilichapishwa kwa sehemu).

Mara mashine za kugeuza screw zilikuwa katika matumizi ya kawaida, screws za kuni zinazopatikana kibiashara zilitengenezwa na njia hii. Hizi screw kuni zilizokatwa zina karibu kugongwa, na hata wakati shank tapered haipo dhahiri, zinaweza kutambuliwa kwa sababu nyuzi haziongezi zamani za kipenyo cha shank. Screw vile imewekwa bora baada ya kuchimba shimo la majaribio na bomba la kuchimba visima kidogo. Wingi wa screws za kisasa za kuni, isipokuwa zile zilizotengenezwa kwa shaba, huundwa kwenye mashine ya kusonga nyuzi. Screw hizi zina kipenyo cha mara kwa mara, nyuzi na kipenyo kikubwa kuliko shank, na zina nguvu kwa sababu mchakato wa kusugua haukata nafaka za chuma.


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