1. Zaɓi castor masana'antu da ƙafafun
Manufar yin amfani da castor masana'antu da ƙafafun shine don rage ƙarfin aiki da inganta ingantaccen aiki. Zaɓi madaidaicin simintin masana'antu da ƙafafun bisa ga hanyar aikace-aikacen, yanayi da buƙatu (saukaka, ceton aiki, dorewa). Da fatan za a yi la'akari da waɗannan abubuwan: A. Nauyin ɗaukar nauyi: (1) Ƙirar nauyi mai ɗaukar nauyi: T=(E+Z)/M×N:
T：nauyi da kowane simintin E：nauyin abin hawa na sufuri Z：nauyin matakin wayar hannu M：inganci mai ɗaukar nauyi na dabaran
(Ya kamata a yi la'akari da abubuwan da ke haifar da rarraba matsayi da nauyi marasa daidaituwa) (2) Ingantacciyar ƙima mai ɗaukar nauyi na dabaran (M) kamar yadda aka nuna a cikin hoton da ke ƙasa:
E：nauyin abin hawa
Z：nauyin matakin wayar hannu M：Nau'in nauyin ɗaukar nauyi mai inganci na dabaran (abunda ke haifar da rarraba matsayi da nauyi yakamata a yi la'akari da su) (2) Ingantacciyar ƙima mai ɗaukar nauyi na dabaran (M) kamar yadda aka nuna a cikin hoton da ke ƙasa:
(3)Lokacin zabar ƙarfin ɗaukar nauyi, ƙididdige shi gwargwadon ƙarfin ɗaukar nauyi na simintin a matsakaicin wurin tallafi. Ana nuna wuraren tallafin simintin a cikin hoton da ke ƙasa, tare da P2 shine wurin tallafi mafi nauyi. B. Sassauci
(4)(1) Castor masana'antu da ƙafafun ya kamata su kasance masu sassauƙa, sauƙi kuma mai dorewa. Ya kamata a yi sassan jujjuyawa (juyawar caster, jujjuyawar dabaran) da kayan da ke da ƙarancin juzu'i ko na'urorin haɗi waɗanda aka haɗa bayan aiki na musamman (kamar ɗaukar ƙwallon ƙafa ko maganin kashewa).
(5)(2) Mafi girma da eccentricity na tripod, mafi sassauƙa shi ne, amma nauyin ɗaukar nauyi ya rage daidai.
(6)(3) Girman diamita na dabaran, ƙarancin ƙoƙarin tura shi, kuma mafi kyawun zai iya kare ƙasa. Manyan ƙafafun suna jujjuya a hankali fiye da ƙanana, ba su da yuwuwar zafi da lalacewa, kuma sun fi ɗorewa. Zaɓi ƙafafun da manyan diamita gwargwadon yiwuwa a ƙarƙashin yanayin da tsayin shigarwa ya ba da damar.
(7)C. Gudun motsi: Buƙatun saurin caster: Ƙarƙashin zafin jiki na al'ada, a kan ƙasa mai laushi, wanda bai wuce 4KM/H ba, kuma tare da wani adadin hutawa.
(8)D. Yi amfani da yanayi: Lokacin zabar, kayan ƙasa, cikas, ragowar ko wurare na musamman (kamar filayen ƙarfe, yanayin zafi mai girma da ƙasa, acidity da alkali, ayyukan mai da sinadarai, da wuraren da ke buƙatar wutar lantarki mai ƙarfi). Ya kamata a zaɓi simintin masana'antu da ƙafafun da aka yi da abubuwa na musamman don amfani a wurare na musamman.
(9)E. Kariyar shigarwa: Lebur saman: Dole ne saman shigarwa ya zama lebur, mai wuya kuma madaidaiciya, ba sako-sako ba. Gabatarwa: Ƙafafun biyu dole ne su kasance a hanya ɗaya kuma a layi daya. Zaure: Dole ne a shigar da masu wankin bazara don hana sassautawa.
(10)F. Halayen ayyuka na kayan ƙafa: Barka da zuwa ziyarci kamfaninmu ko neman bayanin kasida.
Gabatarwa zuwa gwajin aiki na simintin masana'antu da ƙafafu
Dole ne samfurin simintin da ya cancanta ya sha tsananin inganci da gwaje-gwajen aiki kafin barin masana'anta. Mai zuwa shine gabatarwa ga nau'ikan gwaje-gwaje guda biyar da kamfanoni ke amfani da su a halin yanzu:
1. Gwajin aikin juriya Lokacin gwada wannan aikin, yakamata a kiyaye simintin a bushe da tsabta. Sanya simintin a kan farantin karfe da aka keɓe daga ƙasa, kiyaye gefen dabaran a tuntuɓar farantin karfe, kuma a ɗora 5% zuwa 10% na daidaitaccen nauyinsa akan simintin. Yi amfani da gwajin juriya don auna ƙimar juriya tsakanin caster da farantin karfe.
2. Tasirin Gwajin Sanya caster a tsaye akan dandalin gwajin ƙasa, ta yadda tsakar rana mai nauyin kilogiram 5 ta faɗo cikin yardar kaina daga tsayin 200mm, yana barin karkacewar 3mm don tasiri gefen dabaran simintin. Idan akwai ƙafafun biyu, duka ƙafafun ya kamata suyi tasiri a lokaci guda.
3. Gwajin gwaje-gwajen da aka yi amfani da shi na gwajin gwaji na masana'antu na masana'antun masana'antu da ƙafafun shine don gyara masana'antun masana'antu da ƙafafun a kan wani dandamali na gwajin ƙarfe na kwance da santsi tare da sukurori, yi amfani da karfi na 800N tare da tsakiyar nauyi na masana'antun masana'antu da ƙafafun na tsawon sa'o'i 24, cire karfi na tsawon sa'o'i 24 kuma duba yanayin masana'antar masana'antu da ƙafafun. Bayan gwajin, nakasar simintin masana'antu da ƙafafun da aka auna ba su wuce kashi 3% na diamita ba, kuma jujjuyawa, jujjuyawar axis ko aikin birki na simintin masana'antu da ƙafafun bayan an gama gwajin ya cancanci.
4. Gwajin juzu'i na jujjuyawar gwaji na simintin masana'antu da ƙafafu yana kwatanta ainihin yanayin jujjuyawar simintin masana'antu da ƙafafun a cikin amfanin yau da kullun. Ya kasu kashi biyu: gwajin cikas kuma babu gwajin cikas. An shigar da simintin masana'antu da ƙafafun yadda ya kamata kuma an sanya su a kan dandalin gwaji. Kowane simintin gwaji yana lodi da 300N, kuma mitar gwajin shine (6-8) sau/min. Zagayen gwaji ɗaya ya haɗa da motsi baya da gaba na 1M gaba da juyi 1M. A yayin gwajin, ba a yarda da simintin simintin ko wasu sassa da aka bari. Bayan gwajin, kowane simintin ya kamata ya iya tafiya aikin sa na yau da kullun. Bayan gwajin, aikin mirgina, pivoting ko birki na simintin bai kamata ya lalace ba.
5. Juriya juriya da juriya juriya
Don gwajin juriya, ma'auni shine shigar da simintin masana'antu da ƙafafu akan kafaffen tushe mai hannu uku. Dangane da matakan gwaji daban-daban, ana amfani da nauyin gwaji na 300/600/900N a kan tushe, kuma ana amfani da gogayya a kwance don sanya simintin da ke kan dandalin gwajin ya motsa da sauri na 50mm/S don 10S. Tun da ƙarfin juzu'i yana da girma kuma akwai gudu a farkon jujjuyawar simintin, ana auna gogayya a kwance bayan 5S na gwajin. Girman bai wuce 15% na nauyin gwajin don wucewa ba.
Gwajin juriya na juriya shine shigar da simintin masana'antu ɗaya ko fiye da ƙafafu akan na'urar gwajin linzamin kwamfuta ko madauwari ta yadda alkiblarsu ta kasance 90° zuwa hanyar tuƙi. Dangane da matakan gwaji daban-daban, ana amfani da nauyin gwaji na 100/200/300N akan kowane simintin. Aiwatar da ƙarfin juzu'i a kwance don sanya simintin a kan dandalin gwaji ya yi tafiya a cikin gudun 50mm/S kuma ya juya cikin 2S. Yi rikodin matsakaicin ƙarfin juzu'i wanda ke sa simin ya juya. Idan bai wuce kashi 20% na nauyin gwajin ba, ya cancanta.
Lura: Samfuran da suka wuce gwaje-gwajen da ke sama kuma sun cancanta za a iya gano su azaman samfuran simintin ƙwararru, waɗanda za su iya taka rawar gani a fagagen aikace-aikace daban-daban. Saboda haka, kowane masana'anta ya kamata ya ba da mahimmanci ga haɗin gwajin bayan samarwa.
Lokacin aikawa: Janairu-13-2025
