Kodi HSS Twist Drill Bit Ndi Chiyani?
HSS twist drill ndi chida chobowola chopangidwa ndi chitsulo chothamanga kwambiri chomwe chimagwiritsidwa ntchito pokonza zitsulo. HSS ndi chitsulo chapadera cha aloyi chomwe chimakhala ndi kukana kwambiri kwa abrasion, kukhazikika kwamafuta, ndi zida zodulira, zomwe zimapangitsa kuti zikhale zoyenera kuchita ntchito zopangira zitsulo monga kubowola. Kubowola (komwe kumadziwikanso kuti auger kapena spiral flute drill) ndikobowola kokhala ndi zitoliro za helical zomwe zimalola tchipisi tating'onoting'ono kutuluka m'bowolo mwachangu, kuchepetsa kukangana ndi kutentha pakubowola ndikuwongolera bwino pakubowola. Mapangidwe a ma HSS twist drills amawapangitsa kukhala oyenera zitsulo zosiyanasiyana, kuphatikizapo zitsulo, aluminiyamu, mkuwa ndi aloyi, etc. komanso makina amtundu wamatabwa.
Mawonekedwe a Zobowola Zazitsulo Zothamanga Kwambiri
1. High Abrasion Resistance: Zida zachitsulo zothamanga kwambiri zimasonyeza kukana kwa abrasion, zomwe zimalola kuti m'mphepete mwake mukhale akuthwa kwa nthawi yaitali.
2. Kutentha Kwambiri Kutentha: Zitsulo zothamanga kwambiri zimatha kugwira ntchito m'madera otentha kwambiri popanda kutaya kwakukulu kwa kuuma kapena kusinthika.
3. Kudulira Kwabwino Kwambiri: Mapangidwe a spiral groove a ma twist drills amathandizira kudula zitsulo mogwira mtima pomwe amachepetsa kudzikundikira kwa chip.
4. Ubwino Wopangira Machining: Zobowola zitsulo zothamanga kwambiri zimapereka mabowo apamwamba kwambiri okhala ndi miyeso yolondola komanso malo osalala.
Mitundu ya HSS Imene Tinkagwiritsa Ntchito Pochita Ma Twist Drills
Magiredi akuluakulu a HSS omwe timagwiritsa ntchito ndi awa: M42, M35, M2, 4341, 4241.
Pali kusiyana pakati pawo, makamaka zokhudzana ndi mankhwala awo, kuuma, kukhazikika kwa kutentha ndi madera ogwiritsira ntchito. Pansipa pali kusiyana kwakukulu pakati pa magulu awa a HSS:
1. M42 HSS:
M42 ili ndi 7% -8% cobalt (Co), 8% molybdenum (Mo) ndi ma aloyi ena. Izi zimapereka kukana bwino kwa abrasion komanso kukhazikika kwamafuta. M42 nthawi zambiri imakhala yolimba kwambiri, ndipo kulimba kwake kwa rockwell ndi 67.5-70(HRC) komwe kungapezeke ndi njira zochizira kutentha.
2. M35 HSS:
M35 ili ndi 4.5% -5% cobalt komanso imakhala ndi kukana kwakukulu kwa abrasion komanso kukhazikika kwamafuta. M35 ndi yolimba pang'ono kuposa HSS wamba ndipo nthawi zambiri imasunga kuuma kwa betweeb 64.5 ndi 67.59(HRC). M35 ndiyoyenera kudula zida zomata monga chitsulo chosapanga dzimbiri.
3. M2 HSS:
M2 ili ndi milingo yambiri ya tungsten (W) ndi molybdenum (Mo) ndipo ili ndi zida zabwino zodulira. Kuuma kwa M2 nthawi zambiri kumakhala pakati pa 63.5-67 (HRC), ndipo ndikoyenera kupanga zitsulo zomwe zimafunikira zofunika kwambiri.
4. 4341 HSS:
4341 HSS ndi chitsulo chothamanga kwambiri chokhala ndi aloyi yotsika pang'ono poyerekeza ndi m2. Kuuma nthawi zambiri kumasungidwa pamwamba pa 63 HRC ndipo ndikoyenera kugwira ntchito zachitsulo.
5. 4241 HSS:
4241 HSS ndi aloyi otsika HSS okhala ndi zinthu zochepa alloying. Kulimba kumasungidwa mozungulira 59-63 HRC ndipo nthawi zambiri imagwiritsidwa ntchito pobowola zitsulo.
Kusankha giredi yoyenera ya HSS zimatengera zomwe mukufuna kugwiritsa ntchito komanso mtundu wazinthu zomwe zikuyenera kukonzedwa. Kuuma, kukana abrasion ndi kukhazikika kwa kutentha ndizofunika kwambiri pakusankhidwa.
Nthawi yotumiza: Sep-18-2023