Mawonekedwe
Chosinthira chozungulira chosinthika: chimatha kusintha msanga mphamvu ya tsamba la saw ndikuyika m'malo mwa tsamba la saw, zomwe zimasunga nthawi ndi ntchito.
Chogwirira chosatsetsereka chophimbidwa ndi rabara: chosavuta kugwira.
Mafotokozedwe
| Nambala ya Chitsanzo | Kukula |
| 420030001 | mainchesi 12 |
Kuwonetsera kwa Zamalonda
Kugwiritsa ntchito hacksaw:
Chimango cha hacksaw chimapangidwa ndi chimango chooneka ngati I, chingwe chopotoka, tsamba lopotoka, tsamba locheka, ndi zina zotero. Malekezero awiri a tsamba locheka amamangiriridwa pa chimango ndi zogwirira ndipo angagwiritsidwe ntchito kusintha ngodya ya tsamba locheka. Tsamba locheka lingagwiritsidwe ntchito chingwe chikamangidwa. Ma hacksaw amatha kugawidwa m'magulu okhuthala, apakati ndi owonda malinga ndi kutalika kwa tsamba ndi malo opaka mano osiyanasiyana. Tsamba locheka lopotoka ndi la 650-750mm, ndipo malo opaka mano ndi 4-5mm. Chocheka chopotoka chimagwiritsidwa ntchito makamaka kudula matabwa okhuthala; Tsamba lopota lapakati ndi la 550-650mm, ndipo malo opaka mano ndi 3-4 mm. Chocheka chapakati chimagwiritsidwa ntchito makamaka kudula matabwa owonda kapena tenon; Tsamba lopota lapakati ndi la 450-500mm, ndipo malo opaka mano ndi 2-3mm. Chocheka chopotoka chimagwiritsidwa ntchito makamaka pocheka matabwa owonda ndi mapewa opindika.
Chenjezo mukamagwiritsa ntchito hacksaw:
1. Tsamba lokha la soka la chitsanzo chomwecho ndi lomwe lingasinthidwe.
2. Valani magalasi ndi magolovesi mukamadula.
3. Tsamba la macheka ndi lakuthwa, chonde ligwiritseni ntchito mosamala.
4. Hacksaw si chotetezera kutentha. Musadule zinthu zamoyo.






