Hunhu hwekuumbwa kwematombo akaomarara senge granite uye njodzi yekuumbwa kwegomba. Paunenge uchigadzira nheyo dzemirwi yemabhiriji makuru akawanda, mirwi inodiwa kuti ipinde mudombo rakaoma kusvika kune imwe kudzika, uye dhayamita yemirwi yakagadzirirwa idzi nheyo dzemirwi yakawanda kupfuura 1.5mm. Kunyange kusvika 2m. Kudhira mukati mehombe-dhayamita yakaoma dombo maumbirwo anoisa zvinodikanwa zvakanyanya pamagetsi emidziyo uye kumanikidza, kazhinji kunoda torque pamusoro pe280kN.m michina. Paunenge uchichera mumhando iyi yekuumbwa, kurasikirwa kwemazino ekudonha kwakakura kwazvo, uye zvinodiwa zvepamusoro zvinoiswa pakurwisana kwekudengenyeka kwemidziyo.
Nzira yekuvaka yekuchera rotary inoshandiswa mumatombo akaoma akadai segranite uye sandstone. Matanho anofanirwa kutorwa kubva kune anotevera mapoinzi kuti avandudze gomba rinogadzira kunyatsoshanda uye kuderedza njodzi.
(1) Zvishandiso zvine simba re280kN.m uye pamusoro zvinofanira kusarudzwa pakuchera kuvaka. Gadzirira mazino ekudhirowa ane kuomarara kwepamusoro uye zvirinani kukuya kuita pamberi. Mvura inofanira kuwedzerwa kune anhydrous formations kuderedza kupera kwemazino ekuboora.
(2) Rongedza nemazvo maturusi ekuchera. Pakuchera maburi ezviputi zvakakura-dhayamita mumhando iyi yekuumbwa, nzira yekuchera yakagadziriswa inofanira kusarudzwa. Muchikamu chekutanga, chibooreso chakawedzerwa chine dhayamita ye600mm ~ 800mm inofanira kusarudzwa kuti ibvise zvakananga musimboti uye kugadzira chiso chemahara; kana diki dhayamita spiral drill inofanira kusarudzwa kuti iboore kugadzira yakasununguka chiso.
(3) Kana makomba akarerekera akaitika mumatombo akaomarara, zvakaoma zvikuru kutsvaira makomba. Naizvozvo, kana wasangana nedombo rakarerekera, rinofanirwa kugadziriswa kuchera kusati kwagona kuenderera.
Nguva yekutumira: Jan-05-2024