Rolara ea ho arolelana e potolohang ho ea ho e potolohaMochini oa ho Sila Liphaephe / Mochini oa Tlhahiso ea Liphaephe / mochini o etsang liphaephe
ZTZG e ntlafalitse, e rala le ho hlahisa ka boikemelomola oa tlhahiso ea phaephe e chitja e iketsangntle le ho fetola rolara.
Ts'ebetso enamochini o etsang liphaephee sebediswa ho hlahisa diphaephe tse tlwaelehileng tsa tshepe ya khabone.
Karolo ea ho etsa li-welding e sebelisa li-roller tse tšoanang, e leng se lumellang liphetoho litlhalosong tse fapaneng tsa tlhahiso ntle le ho li qhaqha kapa ho li nkela sebaka; ke li-roller tse karolong ea boholo feela tse hlokang ho nkeloa sebaka.
Ha ho hlahiswa diphaephe tsa tshepe e sa ruseng kapa diphaephe tsa tshepe e bobebe ho sebediswa ho tjheseletsa arc e kentsweng ka metsing, lebelo le liehang la ho tjheseletsa le dumella tlhahiso ya diphaephe tsa tshepe e sa ruseng ntle le diphetoho tsa rolara.
Sena se bolela hore lirolara li ka arolelanoa ho pholletsa le mola oohle bakeng sa litlhaloso tse fapaneng, 'me li ka fetoloa ka motlakase.
Ha re sebelisa mokhoa ona,mela ea tlhahiso ea liphaephe e ka fokotsa matsete a roller, ea ntlafatsa katleho ea tlhahiso, ea fokotsa ho senyeha ha lisebelisoa, le ho fokotsa matla a basebetsi.
Ho phaella moo, liphaephe tse tjheseditsweng tse hlahiswang ke tshebetso ena di na le ho nepahala ho hoholo, mathoko a boreleli, le ponahalo e tlwaelehileng haholoanyane.
Haeba o na le dipotso mabapi le mela ya tlhahiso ya phaephe e tjhitja e welditsweng ka tube e chitja ntle le ho fetola dirolara, kapa mela ya tlhahiso ya dirolara tse arolelanang tube e sekwere le e kgutlonnetsepa, ka kopo ikutloe o lokolohile ho ikopanya le rona bakeng sa tlhahisoleseding e batsi.
| MELAO EA TŠEBELETSO EA TUBE EA ERW | |||||
| Mohlala | Rphaephe ea lebota mm | Sekwerephaephe mm | Botenya mm | Mosebetsi o potlakileng m/motsotso | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | 120 | Bala haholoanyane |
| 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 | Bala haholoanyane |
| ERW660 | Ф325-Ф660 | 250×250-500×500 | 6.0-20.0 | 20 | Bala haholoanyane |
| ERW720 | Ф355-Ф720 | 300×300-600×600 | 6.0-22.0 | 20 | Bala haholoanyane |
| TLHAHISO EA PIPE EA TŠEPE E SA KHALE | |||||
| Mohlala | Rphaephe ea lebota mm | Sekwerephaephe mm | Botenya mm | Lebelo la ho sebetsa m/motsotso | |
| SS25 | Ф6-Ф25 | 5×5-20×20 | 0.2-0.8 | 10 | Bala haholoanyane |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Bala haholoanyane |
| SS51 | Ф9-Ф51 | 7×7-40×40 | 0.2-1.5 | 10 | Bala haholoanyane |
| SS64 | Ф12-Ф64 | 10×10-50×50 | 0.3-2.0 | 10 | Bala haholoanyane |
| SS76 | Ф25-Ф76 | 20×20-60×60 | 0.3-2.0 | 10 | Bala haholoanyane |
| SS114 | Ф38-Ф114 | 30×30-90×90 | 0.4-2.5 | 10 | Bala haholoanyane |
| SS168 | Ф76-Ф168 | 60×60-130×130 | 1.0-3.5 | 10 | Bala haholoanyane |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Bala haholoanyane |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Bala haholoanyane |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Bala haholoanyane |
| SS508 | Ф273-Ф508 | 210×210-400×400 | 4.0-12.0 | 3 | Bala haholoanyane |
| SS862 | Ф508-Ф862 | 400×400-600×600 | 6.0-16.0 | 2 | Bala haholoanyane |