Mtundu uwu wa zida zowotcherera mapaipi umasonkhanitsa ma rollers pa ma brackets pa matebulo osinthira mwachangu kapena ma shaft osinthira mwachangu.
Mzere wonse wopanga mapaipi olumikizira, kuphatikizapo gawo lopangira mbale yachitsulo, gawo la kukula, ndi gawo lowongolera molakwika, ukhoza kukhala ndi tebulo limodzi lowonjezera losinthira mwachangu.
Popanga mapaipi achitsulo amitundu yosiyanasiyana, matebulo ogwirira ntchito osinthika mwachangu a magawo omwe akufuna kusinthidwa amayikidwa mwachindunji pa mzere wopanga mapaipi, ndikulowa m'malo mwa chipangizo cholumikizira mapaipi chomwe chilipo.
Dongosololi limapewa njira yochotsera ndi kukhazikitsa ma rollers pa chingwe chopangira mapaipi, zomwe zimapulumutsa nthawi yochuluka yopangira ndikukweza magwiridwe antchito a makina opangira mapaipi.
Makina opangira mapaipi amtundu uwu ndi oyenera opanga mapaipi omwe amapanga mapaipi ang'onoang'ono komanso apakatikati olumikizidwa.
| Mzere wa ERW Chube Mill | |||||
| Chitsanzo | Rchitoliro cha bulu mm | Sikweyachitoliro mm | Kukhuthala mm | Kugwira ntchito mwachangu m/mphindi | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | 120 | Werengani zambiri |
| ERW32 | Ф10-Ф32 | 10×10-25×25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15×15-40×40 | 0.8-3.0 | 120 | |
| ERW76 | Ф32-Ф76 | 25×25-60×60 | 1.2-4.0 | 120 | |
| ERW89 | Ф42-Ф89 | 35×35-70×70 | 1.5-4.5 | 110 | |
| ERW114 | Ф48-Ф114 | 40×40-90×90 | 1.5-4.5 | 65 | |
| ERW140 | Ф60-Ф140 | 50×50-110×110 | 2.0-5.0 | 60 | |
| ERW165 | Ф76-Ф165 | 60×60-130×130 | 2.0-6.0 | 50 | |
| ERW219 | Ф89-Ф219 | 70×70-170×170 | 2.0-8.0 | 50 | |
| ERW273 | Ф114-Ф273 | 90×90-210×210 | 3.0-10.0 | 45 | |
| ERW325 | Ф140-Ф325 | 110×110-250×250 | 4.0-12.7 | 40 | |
| ERW377 | Ф165-Ф377 | 130×130-280×280 | 4.0-14.0 | 35 | |
| ERW406 | Ф219-Ф406 | 170×170-330×330 | 6.0-16.0 | 30 | |
| ERW508 | Ф273-Ф508 | 210×210-400×400 | 6.0-18.0 | 25 | Werengani zambiri |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Werengani zambiri |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Werengani zambiri |
| CHITOLI CHOPANGA CHITOLI CHOSASIYANA | |||||
| Chitsanzo | Rchitoliro cha bulu mm | Sikweyachitoliro mm | Kukhuthala mm | Liwiro logwira ntchito m/mphindi | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Werengani zambiri |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Werengani zambiri |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Werengani zambiri |
| SS64 | Ф12-Ф64 | 10 × 10-50 × 50 | 0.3-2.0 | 10 | Werengani zambiri |
| SS76 | Ф25-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Werengani zambiri |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Werengani zambiri |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Werengani zambiri |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Werengani zambiri |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Werengani zambiri |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Werengani zambiri |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Werengani zambiri |
| SS862 | Ф508-Ф862 | 400×400-600×600 | 6.0-16.0 | 2 | Werengani zambiri |