Welding ba tare da a jig tebur don walda yana kama da haɗa kayan daki tare da screwdriver na Phillips kawai - mai yiwuwa, amma a hankali, rashin daidaituwa, kuma mai saurin sake yin aiki mai tsada. Mun gan shi da hannu: Tier-1 mai samar da injunan noma a cikin Wisconsin ya soke kashi 12% na rukunin rukunin rukunin sa a bara saboda murɗawar walda ta wuce ± 0.5 mm haƙuri akan madaidaicin L-bracket. Tushen dalili? Babu ƙwaƙƙwaran ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun maganadisu kawai da fahimtar ma'aikaci.
Me yasa "Mai kyau ya isa" Gyaran baya a ƙarƙashin Matsalolin Samar da Gaskiya
Yawancin shagunan suna ɗaukar teburin jig azaman na'urorin haɗi na zaɓi - har sai daidaitaccen walda yana haifar da lamuran dacewa a ƙasa a cikin sel zanen mutum-mutumi ko hawan ruwa mai yawa. A gaskiya jig tebur don walda ba farantin karfe ba ne kawai mai ramuka. Gidauniyar daidaitawa ce wacce ke kulle juzu'i *kafin* bugun baka.
Mun gwada hanyoyin gama gari guda biyar akan firam ɗin ƙarfe na ƙarfe 3-mm mai sanyi iri ɗaya:
Magnetic clamps kadai → matsakaita matsaya: 1.8 mm bayan 3 weld passes Kayan gyaran gyare-gyare na al'ada guda ɗaya (ƙarfe mai walda) → lokacin saitawa: Minti 22 kowane sashi; maimaitawa: ± 0.7 mm Teburan ƙirar ramin na zamani (grid 100 mm) → haɓakar zafi ya haifar da motsi na 0.4 mm a 85°C matsakaicin matsakaici Teburan T-Slot na ISO-madaidaicin tare da madaidaicin madaidaicin wuraren gano fil → maimaitawa wanda aka gudanar a ± 0.15 mm a cikin zagayowar 50 Matakan jig teburi tare da hadedde saman datum da fasalulluka na gida mai injin CNC → ± 0.08 mm sama da raka'a 200, sake yin aikin sifili Bambancin ba shine ka'idar ba. Ƙirar kuɗi ne, aikin dubawa, da lokacin layukan layi. Abokin ciniki ɗaya ya yanke lokacin gyara bayan walda da kashi 68% bayan ya canza shi daga maƙarƙashiya zuwa tsarin tebur na jig da aka gina manufa.
Abubuwa Hudu Ba Negotiable Features Your Welding Jig Tebur Dole ne ya kasance
Ba duk teburin jig ba ne ke ba da madaidaiciyar welds. Dangane da shekaru 17 na ginin madaidaicin kayan aikin ƙarfe don abokan cinikin motoci da kayan gini, ga abin da ke da mahimmanci - ba ƙasidu na talla ba:
Haƙuri mara nauyi ≤ 0.05 mm/m - An auna shi da farantin granite mai calibrated, ba madaidaiciya ba. Duk wani karkacewa yana haɓaka kuskuren kusurwa a tsakanin walda masu yawa. Taurare, ƙasa gano saman - Ba kawai niƙan karfe ba. Muna amfani da ƙarfe 45 # mai ɗorewa tare da taurin saman 58-62 HRC. Tebura marasa taurin kai suna sawa cikin ƙasa da watanni 3 na amfanin yau da kullun, suna rasa maimaitawa cikin sauri. Modular anchoring tare da ≤ 0.02 mm maimaita maimaitawa - Madaidaicin 16-mm T-ramummuka yana aiki, amma ISO 841-daidaitaccen dovetail ko tsarin kulle-kulle yana rage bambance-bambancen saitin da kashi 40% a cikin manyan mahalli. Thermal taro management - Faranti masu kauri (≥ 80 mm) tare da ribbing na ciki suna watsa zafi da sauri. Ƙananan teburi suna jujjuya ƙarƙashin maimaitawar GMAW, suna canza wurin wurin tsakiyar aiki. Yi watsi da kowane ɗayan waɗannan, kuma "daidaicin" jig ɗinku ya zama daidaitaccen ƙugiya.
Lokacin da Teburan Jig na al'ada suka yi fice a kan-Shelf - Kuma Lokacin da Ba su yi ba
Wasu injiniyoyi suna ɗaukan teburin jig na al'ada koyaushe suna da fifiko. Amma mun isar da duka biyun - kuma bayanan sun nuna in ba haka ba.
Don ƙaramar ƙaranci, manyan ayyuka masu sauye-sauye (misali, samfuri na aiwatar da kayan aikin gona), teburan jig na zamani tare da maɓalli masu musanyawa da masu wurin daidaitawa sun yanke lokacin saiti da kashi 75 cikin 100 tare da welded na al'ada. Abokan ciniki suna ba da rahoton ROI a cikin ƙasa da makonni 4.
Amma don girman girma, sassa masu juriya - kamar bakin karfe don gantries na hoto - cikakken tebur jig na al'ada tare da haɗaɗɗun tashoshi masu sanyaya da wuraren da aka bi diddigin laser suna ba da fa'idodin ma'auni: 92% ƙarancin gazawar girma, 30% ƙananan walda spatter rate (saboda barga-zuwa-electrode rahotanni nesa), da kuma 100% traceable.
Dalilin yanke hukunci ba kasafin kuɗi ba ne. Yana da hadaddun sashi + ƙarar shekara-shekara + buƙatun tattara bayanan haƙuri. Idan GD&T na ku yana kira don jurewar matsayi fiye da ± 0.1 mm, tsarin na yau da kullun bai isa ba.
Hanyar Botou Haijun: Gyaran Injiniyan Cikin Sashe, Ba Akewa Da Shi ba
A Botou Haijun Metal Products Co., Ltd., ba ma ɗaukar teburin jig a matsayin kayan aiki na tsaye. Mun tsara su azaman kari na sashin kanta.
Lokacin da OEM na Turai ke buƙatar daidaitaccen daidaitawar walda a kan ma'ajin baturin aluminum don ƙorafin lantarki, mun haɗa haɗin gwiwar gano fasalin kai tsaye a cikin madaidaicin hatimi - ƙara ƙarami, ƙwanƙolin mai gano wuri da gefuna a lokacin matakin lanƙwasawa na ƙarshe. Wannan ya kawar da keɓantattun abubuwan gyarawa, rage jimillar lokacin saitin da kashi 40%, da kuma kulle matsayin suturar walda a cikin ± 0.05 mm - har ma da yanayin shagunan yanayi yana jujjuya 15°C kowace rana.
Wannan haɗin kai yana aiki ne saboda kayan aikin mu suna sarrafa tambari, lankwasa, walda, da awoyi a ƙarƙashin rufin ɗaki ɗaya. Muna inganta kowane ƙirar tebur na jig ta amfani da taswirar murɗawar walda ta CMM - ba kawai juzu'i na juzu'i ba. Kowane kayan aiki yana jigilar kaya tare da ingantaccen rahoton daidaitawa da madaidaicin yanayin zafi dangane da ainihin bayanan sake zagayowar samarwa.
Idan kuna kimantawa a jig tebur don walda, tambayi mai siyarwar ku: Shin suna gwada kayan aiki a ƙarƙashin nauyin zafi na gaske? Za su iya gano maimaita maimaitawa zuwa lambobi masu yawa? Shin suna daidaita wuraren fil bisa ga bayanan bazara daga takamaiman gami da kauri?
Wannan shine yadda daidaiton walda ke farawa - tun kafin arc na farko ya kunna.
