Twin Screw Gearbox yotengera ISO1328 yaposachedwa kwambiri, magwiridwe antchito a cylindrical gear of spherical involute, ndikuphatikiza zomwe takumana nazo kwakanthawi komanso luso lapadera la mapasa a extruder, ma gearbox a STD amapangidwa mosamala ndi malingaliro apamwamba kwambiri padziko lonse lapansi kuti azungulira mapasa awiri extruder, wokhala ndi ufulu wodziyimira pawokha wa Intellectual Property.
Zida ndizopangidwa ndi chitsulo cha carburizing champhamvu kwambiri chopangidwa mwaluso ndi carburizing ndi kuzimitsa kwa mano, komwe njira zonse zopera zida zimamalizidwa ndi makina akugaya zida zakunja. Magawo amtundu wamagetsi adakonzedweratu ndipo adapangidwa makamaka kuti akhale ndi mawonekedwe amapasa a extruder, amachepetsa kupsinjika kwa mizu yamagiya ndikusintha magwiridwe antchito. Tasintha magwiridwe antchito otopa ndikutopa, mphamvu yakutopa ndi kuchuluka kwake m'mimba mwake. Tatsatiranso malingaliro aposachedwa kwambiri ndi ukadaulo wazithandizo zotenthetsera kapangidwe ka magiya, potero tidaonetsetsa magiya kuchokera ku kufanana ndi kulimba.