zoben nadi na siminti (wanda kuma aka sani da tungsten carbide roll ring) yana da kyawawan kayan sarrafa thermal. Idan aka kwatanta da sauran kayan, yana da kyau a cikin sharuddan zafi-juriya, juriya da ƙarfi. Menene ƙari, taurinsa yana raguwa kaɗan ƙarƙashin yanayin zafi mai zafi. Saboda haka, da cimined carbide yi zobba da aka ƙirƙira tare da ap-pearance na high gudun waya sanda niƙa. Tare da ci gaba da inganta, shi ne yadu amfani a samar da high gudun waya, mashaya da maras kyau karfe mashaya.
Dangane da kayan don samfuranmu, akwai jerin guda biyu kamar Wc-Co da Wc-Co-Ni-Cr waɗanda ke da kyawawan kaddarorin injiniyoyi. Ƙarfin lanƙwasawa da ƙarfin tasiri ya kai 2200 Mpa da (4-) x106J / m' bi da bi. Taurinsa da juriya sun fito ne daga tungsten carbide (Wc) yayin da ƙarfi da ƙarfi ya dogara da wakili mai ɗaure (Co-Ni-Cr). A halin yanzu, injin da aka gama yana gabaɗaya ya ƙunshi 8-10 tsaye. Saboda girman girman karaya na ɓangaren birgima, abin wuyan da ke gaban gaba na injin niƙa na iya tsayayya da nauyi mai nauyi da tasiri mai ƙarfi. Saboda haka, babban taurin da kuma mai kyau thermal gajiya juriya su ne na farko dalilai, wanda su ne kafin lalacewa-resistance.Yayin da akwai low kaya da tasiri ga can tsaye tsaye, za mu mai da hankali ga lalacewa-resistance da thermal gajiya juriya na yi. zobba. A halin yanzu, da karewa niƙa ne kullum hada da 8- 10 tsaye. Saboda babban girman karaya surface na birgima part, abin wuya a gaban tsaye na karewa niƙa iya tsayayya da nauyi wajibi da kuma karfi tasiri. Don haka, babban taurin da kuma kyakkyawan juriya na gajiyar thermal sune abubuwan farko, waɗanda ke gaban juriya na lalacewa. za mu mai da hankali sosai ga juriya da juriya na thermal gajiya na zoben yi.
Matsakaicin OD (mm) | Girman lD (mm) | Tsawon tsayi (mm) |
145-450 | 87-280 | 62-150 |
Tungsten carbide Roll
Nisa na waje diamita: 154-450mm
Nisa na ciki diamita: 87-280mm
Tsawon tsayi: 62-150mm
Teburin Ƙididdiga na Ƙarshen Rolls
Haƙuri da aka halatta don OD, ID, da Tsawon zoben nadi (mm) | ||||
TYPE | OD≤200 mm | OD> 200mm | ||
Mafi Daraja | Matsayi na al'ada | Mafi Daraja | Matsayi na al'ada | |
Hakuri na OD | ± 0.020 | ± 0.050 | ± 0.030 | ± 0.050 |
Haƙuri na ID | +0.020 | +0.035 | +0.025 | +0.050 |
Hakuri na H | ± 0.025 | ± 0.100 | ± 0.050 | ± 0.100 |
Babban Grade don TC karfe hatimin zoben fuskar injin tare da babban yawa | ||||
Daraja | Girma (g/cm³) | Hardness (HRA) | TRS (Mpa) | An Shawarar Aikace-aikacen |
YG4C | 15 | 89.5 | 1800 | An fi amfani da shi azaman ƙananan maɓalli don ƙwanƙwasa ƙwanƙwasa kuma azaman sakawa na raƙuman ragi na rotary don yanke sassa masu taushi, matsakaita. |
YG6 | 15.8 | 89.5 | 1700 | An fi amfani da shi azaman maɓallan ƙanana da matsakaita masu girman juzu'i da kuma yadda ake saka raƙuman rowa don yanke sassa masu taushi, matsakaita. |
YG8 | 14.7 | 88.5 | 2300 | An fi amfani da shi azaman maɓallan ƙanana da matsakaita masu girman juzu'i da kuma yadda ake saka raƙuman rowa don yanke sassa masu taushi, matsakaita. |
YG13C | 14.3 | 86 | 2500 | An fi amfani da shi azaman sakawa da maɓallai na tricone bits rotary-percussive bits da dutsen rawar soja mai nauyi don yanke matsakaici-tsayi da tsauri. |
YG15 | 14 | 86.5 | 2500 | Ya fi ƙarfi, kuma ana amfani da shi ne a matsayin abubuwan da ake sakawa da maɓallan rotary-percussive bits, dutsen rawar soja mai nauyi don yanke sassa masu wuya da wuyar gaske.v |