Da yawa sassa naSabon Ingancin Mai Kula da makamashidaKulawa da motociAikin yana buƙatar harbi peening bayan guduwa niƙa, wanda zai lalata ingancin tsarin haƙori, har ma yana shafar tsarin NVH na tsarin. Wannan takarda na karatun takarda na haƙoran haƙoran haƙoran yanayi daban-daban na peening tsari da sassa daban-daban kafin kuma bayan harbi. Sakamakon yana nuna cewa peening harbi zai haɓaka surancin haƙori, wanda ya shafi halayen ɓangaren ɓangare, harbe peening tsari da sauran dalilai; A karkashin yanayin samar da kayan data kasance, matsakaicin madaidaicin yatsan yatsa bayan harbe-haren harbi shine 3.1 sau kafin ya harbe peening. Ana tattauna da tasirin haƙƙin haƙori akan aikin NVH, kuma matakan inganta haɗarin bayan an ba da shawarar peening.

A karkashin bangon da ke sama, wannan takarda tana tattauna daga wadannan fannoni uku:

Tasiri na harbi peening tsari akan tsarin hakori a kan hanyar hakori;

Digiri na amplification na harbe peening akan saman tsarin haƙori a ƙarƙashin yanayin aiwatar da ayyukan samarwa;

Tasirin ƙara girman haƙoran haƙori da kuma matakan aiwatarwa don inganta m bayan harbe peening.

Shot peening yana nufin aiwatarwa a cikin abin da yawa pearan prevelates comeptions tare da babban ƙarfi da kuma motsi mai sauri ya buga saman sassan. A karkashin babban saurin tasirin projectile, farfajiya na bangaren zai samar da ramuka da nakasar filastik zai faru. Kungiyoyi a kewayen ramuka za su tsayayya da wannan nakasar kuma suna haifar da damuwa mai wahala. The overlipping da yawa rami zai samar da wani suturar damuwa mai wahala a farfajiyar sashi, don haka inganta karfin kitse. Dangane da hanyar samun saurin gudu ta harbe, an harbe peening gaba daya ya kasu kashi biyu a cikin peening, kamar yadda aka nuna a hoto 1.

Matsi da iska a kan peening yana kama iska a matsayin iko don fesa harbi daga bindiga; Centrifugal na harbi na Bilatrifugal yana amfani da motar don fitar da mai ɗaukar hoto don jujjuya shi a harbi. Iyalin mahimman sigogi na harbe na harbi sun hada da karfin jikina, da ɗaukar hoto da harbe peening matsakaici kaddaracties (abu, girman, sifa, da wuya). Girman Saturation ne sigar sigogi don nuna ƙarfin son girman kai, wanda aka bayyana ta hanyar arc tsawo (watau matakin da aka gwada na almen gwajin bayan harbi peening); Ingantaccen ɗaukar hoto yana nufin rabo daga yankin da ramin da ramin bayan harbe peening zuwa jimlar yankin peened. Maimaita kafofin watsa labarai na harbe na harbe sun haɗa da bugun kirji na ƙarfe, Castelic harbi, harbi na yanki, da sauransu. Janar na buƙatar tsari na musamman don gano sassan kayan siyar da iskar kaya a Table 1.

Sashe na gwajin shine tsaka-tsakin lokacin shakatawa 1/6 na aikin matasan. An nuna tsarin kaya a cikin Hoto na 2. Bayan nika, haƙoran haƙoran haƙori shine aji 210HVV30, duk a cikin bukatun fasaha. An nuna girman haƙoran haƙori kafin a nuna peening na 3, kuma ana ganin daidaitattun bayanan haƙori a cikin tebur 4. Ana iya ganin daidaituwa ta haƙori a kan peening yana da kyau, kuma bayanin haƙƙin haƙori yana da laushi.

Tsarin gwaji da sigogi na gwaji

An yi amfani da injin din da aka tura na'urar da aka tura injin din a gwajin. Saboda yanayin gwaji, ba shi yiwuwa a tabbatar da tasirin harbi peening matsakaici kaddaracties (abu, girman, taurin kai). Saboda haka, kaddarorin na harbe matsakaici suna da kullun gwaji. Sai kawai tasirin ƙarfi da ƙarfi a kan tsarin haƙoran haƙori bayan an tabbatar da peening. Duba Table 2 don tsarin gwajin. Takamaiman ƙayyadadden hukunce-hukuncen gwaji kamar haka: zana Curve Airwar iska, yana gudana da sauri, ƙwanƙwasa nesa daga sassa da sauran sigogi.

sakamakon gwajin

An nuna bayanan ƙirar haƙori bayan da aka nuna a cikin tebur 3, kuma ana ganin daidaitaccen yanayin haƙori a ƙarƙashin yanayin haƙori guda huɗu. A karkashin ƙirar haƙori guda huɗu yana ƙaruwa da haɗuwa bayan harbi bayan harbi. Matsakaicin raunin bayan fesawa ga m kafin a yi amfani da fesraying ana amfani dashi don magance girman girman girman (Table 3). Ana iya ganin girman girman girman ya bambanta a ƙarƙashin yanayin tsari huɗu.

Batch bin sawu na girmamawa ga tsarin haƙoran haƙori ta hanyar peening

Sakamakon gwajin a sashi na 3 ya nuna cewa girman haƙoran haƙori yana ƙaruwa da digiri daban-daban bayan haɓakawa tare da matakai daban-daban. Don fahimtar fahimtar amplification na harbe akan tsallake jiki, abubuwa 5, aka zaɓi nau'ikan peening a ƙarƙashin yanayin haɓakawa na haɓaka. Duba Table 5 don bayanin jiki da sunadarai kuma sunadarai da aka harbe tsarin aiwatar da bayanan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan sassan jikin. Rashin ƙarfi da fifikon yatsan haƙori na gaba da na baya kafin a nuna peening na Hijira na HIGH6. Ikon canji na zuwa RZ2.3 μ m-rz rz6.2 μ m-rz.

Abubuwa masu iya rinjaye na surface na hakori bayan harbe-harben

Ana iya ganin shi daga ƙa'idar harbin harbi da ke da ƙarfi da kuma saurin motsawa harbe ya bar ruruwan damuwa a sashi, wanda shine tushen damuwa mai ban tsoro. A lokaci guda, waɗannan rassan suna daure don ƙara girman m. Halayen da sassan kafin a harbe peening da harbi Peening Peening sigogin da ke kan peening, kamar yadda aka jera a cikin wannan takarda, da aka jera a cikin peening na kai bayan harbe ya kara zuwa digiri daban-daban. A cikin wannan gwajin, akwai masu canji guda biyu, wato, prever prevory hadari da aiwatar da sigogi ko kuma ɗaukar hoto), wanda ba zai iya tantance ingantacciyar hanyar da aka harbe ba. A halin yanzu, malamai da yawa sun yi bincike kan wannan, kuma gabatar da tsarin tsinkayar tsinkaye bayan harbe-tsaren yanayi, wanda ake amfani da shi don hango ƙimar ƙayyadadden ra'ayi game da matakan girman ƙimar girman kai.

Dangane da ainihin ƙwarewa da kuma binciken sauran malamai, da yawa ana iya ganin abubuwa daban-daban kamar yadda aka nuna a cikin peening da aka harbe a cikin tebur. Don rage ƙarfin zuciya bayan harbe peening akan tsarin tabbatar da damuwa mai rikitarwa, ana buƙatar yawan gwaje-gwaje mai yawa don inganta sigogin haɗuwa.

Tasirin Tsarin hakori na Dutsen NVH na tsarin

Abubuwan kaya suna cikin tsarin watsa mai tsauri, da kuma ƙarfin hakori zai shafi aikinsu na NVH. Sakamakon gwaji ya nuna cewa a ƙarƙashin nauyin guda da sauri, mafi girma a farfajiya, mafi girman manne da amo na tsarin; Lokacin da kaya da haɓaka haɓaka, rawar jiki da amo da yawa.

A cikin 'yan shekarun nan, aikin sababbin makamashi ya karu da sauri, kuma nuna cigaban cigaban saurin da kuma babban torque. A halin yanzu, matsakaicin sake fasalin kuzarin kuzari shine 354n 16, kuma matsakaicin saurin shine 1600r / min a nan gaba. A karkashin manya irin wannan aiki, tasirin karuwar tsarin hakori na girman kai na tsarin dole ne a yi la'akari da tsarin.

Matakan haɓaka don haɓakar haƙoran haƙori bayan harbe-harben

Tsarin peening na harbi bayan ginin nika na iya inganta karfin gayya mai karfin kayan kera kayan kera kayan hakori da tanƙwara da cutar hakori. Idan dole ne a yi amfani da wannan tsari saboda dalilai masu ƙarfi a cikin tsarin ƙirar kaya, don bayar da la'akari da aikin haƙori na tsarin, da wuya haƙoran kayan haƙori na iya inganta shi daga abubuwan da suka biyo baya:

a. Inganta wurin da aka harbe peening Peening Peening, da kuma sarrafa amplification na haƙori na hakori bayan harbe kan peening a kan tsarin damuwa mai rikitarwa. Wannan yana buƙatar gwajin tsari mai yawa, kuma tsarin da ake aiwatarwa ba shi da ƙarfi.

b. An kara da tsarin peening na harbe, wato, bayan an kammala pening karfi na yau da kullun, an kara pening na harbi. Theara yawan harbi peening tsari yawanci ƙanana ne. Nau'in da girman harbe kayan za a iya daidaita su, kamar su harbi na fure, gilashin harbi ko waya ta yanke harbi tare da ƙanana.

c. Bayan harbe peening, hanyoyin da kamar an ƙara kyaututtuka kyauta.

A cikin wannan takarda, da haƙƙin haƙoran haƙoran yanayi daban-daban na harbi yanayin yanayin harbe da kuma bangarori daban-daban ana nazari, kuma ana iya yin nazari kan peening na harbe, kuma ana yawan zaba a kan wallafe-wallafe:

Hote Peening zai kara surface na hakori, wanda halayen fasali da sauran dalilai suka shafi yanayin damuwa mai wahala;

A karkashin yanayin aiwatar da data kasance, matsakaicin tsarin kawuna na kai bayan an harbe peening shine 3.1 sau kafin a harbe harbi;

◆ Karuwar surface na haƙori zai kara rawar jiki da hayaniyar tsarin. Mafi girma da wahala da sauri, bayyane na ƙaruwa da ƙaruwa da amo;

◆ Halitaccen Tsarin hakori zai iya inganta haɓakar pening na harbe, da kuma haɓaka haɓakar haɓakar harbi, da sauransu.