noun
cutter; cutting machine; guillotine
General term for a machine that cuts materials; can refer to industrial cutters, paper guillotines, or similar devices.
工場で金属の切断機を使っている。
They use a metal cutting machine at the factory.
紙をまっすぐ切るために切断機を買った。
I bought a guillotine to cut paper straight.
切断 is the act of cutting or severing; 切断機 is the machine that performs the cutting.
Compound of 切断 (cutting, severing) and 機 (machine).