Ilimin asali na kayan aikin NC, ilimin ƙirar ƙirar NC

Bukatun kayan aikin injin CNC akan kayan kayan aiki

Babban taurin da juriya
Ƙarƙashin ɓangaren yanke kayan aiki dole ne ya zama mafi girma fiye da taurin kayan aiki. Mafi girma da taurin kayan aiki, mafi kyawun juriya na lalacewa. Taurin kayan aiki a zafin jiki zai kasance sama da HRC62. Taurin na iya zama mafi girma fiye da na talakawaCNC machining sassa.
Isasshen ƙarfi da ƙarfi
Kayan aiki yana ɗaukar matsi mai kyau a cikin aiwatar da yankewa da yawa. Wani lokaci, yana aiki a ƙarƙashin tasiri da yanayin girgiza. Don hana kayan aiki daga karyawa da raguwa, kayan aikin dole ne su sami isasshen ƙarfi da ƙarfi. Gabaɗaya, ana amfani da ƙarfin lanƙwasawa don wakiltar ƙarfin kayan aiki, kuma ana amfani da ƙimar tasiri don bayyana taurin kayan aikin.
mafi girma zafi juriya
Juriya na zafi yana nufin aikin kayan aiki don kiyaye taurin, juriya, ƙarfi, da tauri a ƙarƙashin yanayin zafi. Yana da babban alama don auna aikin yanke kayan kayan aiki. Wannan aikin kuma ana kiransa da taurin ja na kayan aiki.
Kyakkyawan halayen thermal
Mafi girma yawan zafin jiki na kayan aiki na kayan aiki, yawancin zafi yana canjawa daga kayan aiki, wanda ya dace don rage yawan zafin jiki na kayan aiki da inganta ƙarfinsa.
Kyakkyawan aiwatarwa
Don sauƙaƙe sarrafa kayan aiki da masana'antu, kayan aikin dole ne su sami kyawawan kaddarorin sarrafawa, irin su ƙirƙira, mirgina, walda, yankan da niƙa, kaddarorin kula da zafi, da ƙarancin zafin jiki na lalata kayan aikin kayan aiki. Carbide da aka yi da siminti da kayan aikin yumbu suma suna buƙatar kyawawan kaddarorin sarrafa matsi.

Nau'in kayan aiki

karfe mai sauri
Ƙarfe mai sauri shine kayan aiki na kayan aiki wanda ya ƙunshi W, Cr, Mo, da sauran abubuwan gami. Yana da babban kwanciyar hankali na thermal, ƙarfi, tauri, da kuma wani nau'i na tauri da juriya, don haka ya dace da sarrafa kayan da ba ferrnonferrous da ƙarfe daban-daban. Bugu da ƙari, saboda fasahar sarrafa sauti, yana da kyau don kera hadaddun kayan aikin ƙirƙira, musamman foda ƙarfe mai sauri mai sauri, wanda ke da kaddarorin injinan anisotropic kuma yana rage nakasawa; ya dace don kera daidaitattun kayan aikin ƙirƙira masu rikitarwa.
Hard gami
Siminti carbide yana da babban taurin da juriya. Lokacin yankanCNC juya sassa, aikinsa ya fi ƙarfin ƙarfe mai sauri. Ƙarfinsa ya ninka sau da yawa zuwa sau da yawa fiye da na ƙarfe mai sauri, amma ƙarfin tasirin sa ba shi da kyau. Saboda kyakkyawan aikin yankewa, ana amfani da shi sosai azaman kayan aiki.

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Rarrabewa da alamar simintin carbides don yankan kayan aikin

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Ruwa mai rufi
1) Kayan kayan shafa na hanyar CVD shine TiC, wanda ke ƙara ƙarfin ciminti na kayan aikin carbide sau 1-3. Kauri mai rufi: Ƙarfin yankan yana da kyau kuma yana da kyau don inganta rayuwar sauri.
2) Abubuwan da aka rufe na hanyar PVD tururi na jiki sune TiN, TiAlN, da Ti (C, N), wanda ke inganta ƙarfin ciminti kayan aikin carbide sau 2-10. Shafi na bakin ciki; Kaifi mai kaifi; Yana da amfani don rage yanke ƙarfi.
★ Matsakaicin kauri na shafi ≤ 16um
CBN da PCD
Cubic boron nitride (CBN) Tauri da zafin jiki na cubic boron nitride (CBN) ya yi ƙasa da lu'u-lu'u, kuma yana da ƙarfin zafi da kwanciyar hankali. Saboda haka, ya dace da mashin ƙarfe mai tauri, ƙarfe mai ƙarfi, superalloy, da carbide siminti.
Polycrystalline lu'u-lu'u (PCD) Lokacin da ake amfani da PCD azaman kayan aikin yankan, an yi shi akan simintin siminti na carbide. Yana iya gama jure lalacewa, tauri mai ƙarfi, mara ƙarfe, da abubuwan da ba na ferrononferrousaterials kamar siminti carbide, tukwane, da babban siliki aluminum gami.
★ ISO inji matsa ruwa kayan rarrabuwa ★
Abubuwan ƙarfe: P05 P25 P40
Bakin Karfe: M05 M25 M40
Bakin ƙarfe: K05K25K30
★ Karamin adadin shine, mafi hadaddun ruwan wukake, mafi kyawun juriya na kayan aiki, kuma mafi munin juriya na tasiri.
★ Girman adadin shine, mafi laushin ruwan wukake, mafi kyawun juriya na tasirin kayan aiki da rashin juriya mara kyau.
Mai canzawa zuwa samfurin ruwa da dokokin wakilcin ISO

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1. Code wakiltar siffar ruwa

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2. Code wakiltar kusurwar baya na babban yankan gefen

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3. Lambar da ke wakiltar juriyar juriya na ruwa

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4. Code wakiltar guntu karya da clamping nau'i na ruwa

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5. Wakilta ta tsawon yankan gefen

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6. Code wakiltar kauri daga cikin ruwa

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7. Code wakiltar polishing gefen da R kwana

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Ma'anar wasu adadi
Takwas yana nufin lambar da ke nuna buƙatu na musamman;
9 yana wakiltar lambar jagorar ciyarwa; misali, lambar R tana wakiltar abincin dama, lambar L tana wakiltar abincin hagu, lambar N kuma tana wakiltar abinci mai tsaka-tsaki;
10 yana wakiltar lambar nau'in tsagi na guntu;
11 yana wakiltar lambar kayan aiki na kamfanin kayan aiki;
yankan gudun
Ƙididdigar ƙididdiga na yanke saurin Vc:

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A cikin tsari:
D - Rotary diamita na workpiece ko Tooltip, naúrar: mm
N - saurin juyawa na kayan aiki ko kayan aiki, naúrar: r/min
Gudun Machining Thread tare da Lathe na yau da kullun
Iyakar gudu n don juya zaren. Lokacin yankan zaren, saurin igiya na lathe yana tasiri da abubuwa da yawa, kamar girman farar zaren (ko gubar) na aikin aikin, haɓakawa da rage halayen injin tuƙi, da saurin zaren interpolation. Saboda haka, takamaiman bambance-bambance sun wanzu a cikin saurin igiya don zaren juyawa don tsarin CNC daban-daban. Mai zuwa shine dabara don ƙididdige saurin sandal yayin juya zaren akan lathes na CNC na gabaɗaya:

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A cikin tsari:
P - farar zaren ko gubar zaren aiki, naúrar: mm.
K - ƙimar inshora, gabaɗaya 80.
Lissafin kowane zurfin ciyarwa don zaren mashin ɗin

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Yawan hanyoyin kayan aikin zare

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1) Machining mara kyau

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Ƙididdigar ƙididdige ƙididdiga na abinci mai ƙaƙƙarfan inji: f rough = 0.5 R
Inda: R ------ kayan aiki tip baka radius mm
F ------ m inji kayan aiki ciyar mm
2) Ƙarshe

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A cikin dabara: Rt ------ zurfin kwane-kwane µ m
F ------ Yawan ciyarwa mm/r
r ε ------ Radius na tooltip baka mm
Bambance m da gama juyawa bisa ga ƙimar abinci da tsagi mai tsinkewa
F ≥ 0.36 m machining
0.36 > f ≥ 0.17 Semi-karewa
F 0.17 gama injin
Ba kayan ruwan wuka bane amma tsagi mai karyewar guntu ne ke shafar aikin injin da aka gama. Yanke gefen yana da kaifi idan chamfer bai wuce 40um ba.


Lokacin aikawa: Nuwamba-29-2022
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