TBM hobbing cutters ob npaug rau cov menyuam disc cutters qhov tho txawv tshuab txiav cov cuab yeej

Disc Cleitters Peb lub tuam txhab tsim thiab tsim siv cov kabmob ntev ntawm lub sijhawm (tau los ntawm Tebchaws Meskas) thiab Hlau Sealing nplhaib (los ntawm Ltalis GNL).

Cutter nplhaib yog tsim los ntawm tshwj xeeb alloy tuag steel.

Daim ntawv thov ntawm cov txheej txheem hardness siab tshaj plaws muab faib ua tshuab, nyob rau hauv nam ntawm kev kho cua sov, ua rau lub hardness ntawm disc cutter hniav mus txog HRC57-59, hardness ntawm puab nplhaib mus txog HRC38-42.

Tsis tsuas yog xyuas kom cov hniav muaj lub zog txaus thiab hnav tsis kam, thiab xyuas kom meej lub nplhaib disc cutter yuav tsis tawg vim lub siab hardness thaum txiav siab zog hard pob zeb.