Zipangizo zowotcherera mapaipi a mtundu wa tebulo losintha mwachangu zimagwiritsa ntchito "ukadaulo wosintha matebulo" wokha kuti zipange mapaipi ozungulira ndi a sikweya a kukula kosiyanasiyana pa chitoliro chimodzi cholumikizidwa.
Makasitomala akafuna kupanga mapaipi osiyanasiyana, tebulo losinthira mwachangu lopangira ndi kukula kwa mipukutu lingasinthidwe mwachangu kutengera kukula kwa mapaipi ndi makulidwe awo.
Zipangizo zowotcherera mapaipi za mtundu wa tebulo losintha mwachangu zimagwiritsa ntchito "kusintha kamodzi kokha" kwa makina osinthika mwachangu kuti zichotse nsanja yozungulira yomwe idalumikizidwa ndi zidazo, ndikuchotsa nsanjayo kuti igwirizane ndi mainchesi oyambira a chitoliro. Nthawi yomweyo, nsanjayo imasinthidwa ndi kukula kwatsopano kwa mipukutu, ndikulumikiza yokha shaft yothandizira yopingasa ku dongosolo loyendetsa kuti amalize kusintha kwa mipukutu.
Zipangizo zowotcherera mapaipi za mtundu wa tebulo losintha mwachangu ndizoyenera makina owotcherera mapaipi ang'onoang'ono ndi apakatikati. Zitha kupanga mitundu yosiyanasiyana ya mapaipi ndi zofunikira pomwe zimalola kusintha mwachangu pamtengo wotsika.
| 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 |