Chigongono cholimba chachitsulo chimapangidwa kuchokera ku chigoba cha prime conduit champhamvu kwambiri molingana ndi zomwe zachitika posachedwa komanso muyezo wa ANSI C80.1(UL6).

Mkati ndi kunja pamwamba pa zigongono alibe chilema ndi yosalala welded msoko, ndipo bwinobwino yokutidwa ndi nthaka wofanana yokutidwa ndi nthaka kuviika galvanizing ndondomeko, kotero kuti kukhudzana zitsulo ndi zitsulo ndi galvanic chitetezo ku dzimbiri amaperekedwa, ndi pamwamba. zigongono zokhala ndi zokutira zowoneka bwino za pambuyo pa malata kuti zitetezere ku dzimbiri.

Zigongono amapangidwa mu kukula wabwinobwino malonda kuyambira ?“ mpaka 6”, digiri kuphatikizapo 90 deg, 60 deg, 45 deg, 30 deg, 22.5deg, 15deg kapena malinga ndi pempho kasitomala.

Zigongono zimalumikizidwa mbali zonse ziwiri, zotchingira ulusi zokhala ndi mitundu yosiyanasiyana yamitundu kuyambira 3 "mpaka 6".

Zigongono zimagwiritsidwa ntchito kulumikiza ngalande yachitsulo yolimba kuti isinthe njira yolowera.