1. Rolling txoj kev: Feem ntau, ib tug mandrel tsis tas yuav tsum tau thaum stainless hlau dabtsi yog khoov kav thiab nws yog haum rau lub puab puag ncig ntawm tuab-walled stainless hlau kav.

2. Txoj kev Roller: Muab lub mandrel rau hauv lub raj stainless hlau thiab siv cov menyuam thawb rau sab nraud tib lub sijhawm.

3. Stamping txoj kev: Siv ib tug tapered mandrel ntawm ib tug punch los nthuav ib kawg ntawm cov stainless hlau yeeb nkab mus rau qhov yuav tsum tau loj thiab zoo li.

4. Txoj kev nthuav dav: Thawj qhov chaw tso roj hmab hauv cov raj hlau tsis muaj zog, thiab siv cov punch rau compress nws saum toj no kom ua rau cov raj loj dhau los ua cov duab; Lwm txoj kev yog siv hydraulic siab los nthuav lub raj, thiab ncuav kua rau hauv lub raj stainless hlau. Lub siab ua kua tuaj yeem thawb cov hlau tsis huv rau hauv cov duab. Cov yeeb nkab yog bulged rau hauv cov duab xav tau. Txoj kev no feem ntau yog siv los tsim cov kav dej corrugated.

5. Direct dabtsi yog khoov txoj kev: Peb txoj kev yog feem ntau siv thaum ua stainless hlau yeeb nkab dabtsi yog khoov kav. Ib qho yog hu ua txoj kev ncab, lwm qhov yog hu ua txoj kev stamping, thiab qhov thib peb yog hu ua cov txheej txheem rau cov menyuam, uas muaj 3-4 rollers. Ob lub taag rollers thiab ib qho kev kho cov menyuam siv los kho qhov kev ncua deb ntawm cov chais taag, thiab cov tiav stainless hlau yeeb nkab fittings yuav nkhaus.