Mukapanga mapaipi ozungulira amitundu yosiyanasiyana, ziwumba za gawo lopanga chitoliro chathu cha ERW zimagawidwa ndipo zimatha kusinthidwa zokha. Mbali yapamwambayi imakulolani kusintha pakati pa kukula kwa mapaipi osiyanasiyana popanda kufunikira kusintha ziwumba pamanja. Tangoganizirani nthawi ndi khama lomwe mumasunga popewa zovuta za kusintha kwa ziwumba pafupipafupi.
Mphero yathu ya ERW yapangidwa ndi cholinga chofuna kuchita zinthu mwanzeru komanso mosavuta. Kutha kusintha zinthu mwadongosolo kumatanthauza kuti njira yanu yopangira zinthu imakhala yosavuta komanso yosavuta. Sikuti izi zimangokuthandizani kusunga nthawi yopangira zinthu, komanso zimachepetsa nthawi yopuma yomwe nthawi zambiri imagwirizanitsidwa ndi kusintha kwa nkhungu pamanja. Kuchita bwino kumeneku kumatanthauza kusunga ndalama, chifukwa nthawi yochepa imagwiritsidwa ntchito pokonza zinthu ndipo nthawi yambiri imaperekedwa pakupanga zinthu zenizeni.
Kuphatikiza apo, dongosolo logawana la nkhungu limachepetsa kufunikira kwa zinthu zambiri zosiyanasiyana, zomwe zingakhale zodula komanso zodula malo. Ndi mphero yathu ya chubu ya ERW, mumangofunika nkhungu zochepa kuti mugwiritse ntchito mitundu yosiyanasiyana ya mapaipi. Izi sizimangokuthandizani kusunga ndalama pogula nkhungu zina komanso zimamasula malo osungiramo zinthu m'malo anu.
| 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 |