Vim li cas kuv lub laum tseem taug kev txawm tias tom qab kuv nruab nrab -drilled lub qhov? Kuv hnov tias ib zaug ntau dua kuv suav tau! Cov lus teb luv luv: ib qho chaw xyaum thiab qhov chaw xyaum tsis yog tsim rau tib txoj haujlwm. Sib tov lawv, thiab koj mam li pauv qhov tseeb rau cov lus qhia tawg thiab khib lub sijhawm. Hauv phau ntawv qhia no, peb yuav ua kom yooj yim, txoj cai txiav txim siab ceev, lub rooj sib txawv, lub kaum sab xis -cov ntawv khib nyiab, thiab daim ntawv qhia kev daws teeb meem kom koj tuaj yeem pib qhov huv si hauv CNC milling lossis tsim qhov chaw nruab nrab ntawm lub tshuab dhos.
Nkag siab Spotting Drills
Lub tshuab ntsuas qhov ntsuas yog lub hom phiaj- tsim cov cuab yeej koj siv los pib qhov kom raug, tshwj xeeb tshaj yog ntawm CNC mills thiab machining centres, qhov chaw qhov qhov tseem ceeb. Xav txog nws raws li koj txoj cai pov hwm kev noj qab haus huv tiv thaiv kev xyaum xyaum, cov lus qhia txog kev xyaum, thiab qhov chaw tsis sib haum. Tsis zoo li lub hauv paus xyaum, ib qho chaw xyaum yog tsim tshwj xeeb rau qhov precision qhov - pib, tsis yog los tsim lub rooj zaum hauv lub tshuab dhos.
Dab tsi yog qhov haujlwm ntawm kev xyaum xyaum?
Ib qho kev xyaum pom feem ntau ua peb yam rau koj:
Tsim Ib Lub Rooj Sib Tham Precise rau Kev Sib Tw
Ua ib lub hnab luv luv, nruj conical, nws pab koj xyaum ua haujlwm sib npaug sib npaug es tsis yog skate hla saum npoo.
Txo Txoj Kev Taug Kev thiab Txhim Kho Txoj Haujlwm Tseeb
Qhov no yog ib qho tseem ceeb thaum koj ib feem muaj nruj txoj hauj lwm tolerances los yog thaum koj nyob nraum drilling qhov qauv uas yuav tsum phim mating Cheebtsam.
Stabilize nkag nkag thiab tiv thaiv lub laum tswv yim
Ib qho chaw zoo txhim kho kev sib cuag kom cov laum tsis txhob nkag rau hauv, pab koj kom tsis txhob muaj qhov tawg ntxov ntxov, tshwj xeeb tshaj yog cov ntaub ntawv nyuaj.
Vim li cas nws tseem ceeb heev hauv kev npaj machining?
Kev pom yog qhov tseem ceeb tshwj xeeb tshaj yog thaum koj qhov teeb tsa ua rau lub qhov - pib tsis ruaj khov. Koj yuav tau txais txiaj ntsig zoo tshaj plaws thaum:
Koj nyob nraum drilling ntawm nkhaus, angled, los yog tsis sib xws.
Koj siv cov kev xyaum ntev dua qhov kev nkag mus me me ua teeb meem loj.
Koj machining nyuaj los yog gummy cov ntaub ntawv uas lub laum lub ntsis nyhav mus wandering los yog smear.
Koj xav tau cov txiaj ntsig zoo sib xws thoob plaws - ntim ntau lawm.
Nyob rau hauv luv luv, qhov pom kev xyaum pab koj xauv rau hauv lub qhov chaw ua ntej lub ntsiab laum puas tau kov ib feem, txuag koj los ntawm rework, seem, thiab nkim sij hawm.
Cov yam ntxwv tseem ceeb ntawm kev xyaum xyaum
Spotting xyaum yog optimized rau rigidity thiab huv si nkag:
Lawv feem ntau muaj qhov luv luv flute ntev thiab lub cev khov kho, uas ua rau lawv ruaj khov dua li ntev, slender xyaum.
Lawv tuaj nyob rau hauv cov ntsiab lus sib xws xws li 90 degree, 120 degree, thiab 142 degree, thiab lub kaum sab xis sib xws. Raws li txoj cai, koj qhov pom lub kaum sab xis yuav tsum sib npaug los yog loj dua li koj qhov twist xyaum lub kaum sab xis.
Ntau yam muaj nyob rau hauv carbide lossis HSS, nrog carbide muab ntau dua rigidity thiab hnav tsis kam thaum koj lub tshuab thiab fixturing ruaj khov.
Yog tias koj mob siab txog qhov chaw nyob, lub cuab yeej lub neej, thiab rov ua dua, qhov kev xyaum pom yog ib qho tseem ceeb tshaj plaws thawj kauj ruam uas koj tuaj yeem ntxiv rau koj cov txheej txheem drilling.
Nkag siab Center Drills
Lub chaw xyaum yog ib qho me me tab sis tseem ceeb cov cuab yeej uas koj siv los tsim lub qhov nruab nrab, qhov pib zoo li tus taw tes uas pab lwm yam kev ua haujlwm machining nyob ruaj khov thiab raug. Nws txoj hauj lwm tseem ceeb yog tsis tu ncua drilling. Hloov chaw, nws yog hais txog kev npaj thiab kev tswj hwm: muab koj lub tshuab ua haujlwm ib qho kev siv tau zoo ua ntej koj txav mus rau kev tig, drilling, lossis lwm yam haujlwm.
Dab tsi yog lub luag haujlwm ntawm lub laum nruab nrab?
Ib qho chaw xyaum ua haujlwm feem ntau ua haujlwm peb lub luag haujlwm tseem ceeb:
Tsim ib qhov tseeb Center Qhov rau Tshuab dhos Support
Yog tias koj npaj yuav tig ib feem ntawm cov chaw, lub khob hliav qab 60℃ua los ntawm qhov chaw xyaum muab lub rooj zaum rau qhov chaw nyob / tuag hauv koj lub tailstock. Qhov no txo qhov deflection thiab pab koj tswj kom muaj kev sib haum xeeb.
Muab qhov taw qhia Start Point
Koj tuaj yeem siv nws los tsim ib qho me me pib chamfer, tab sis nws tsis yog qhov kev xaiv zoo tshaj plaws rau kev pom dav dav CNC vim tias cov geometry txawv ntawm cov kev xyaum sib tw feem ntau.
Txhim kho teeb tsa Repeatability
Lub qhov nruab nrab tuaj yeem ua raws li cov lus qhia rau re- chucking lossis flipping ib feem, pab koj ua kom qhov sib npaug.
Vim li cas nws tseem ceeb heev hauv kev npaj machining?
Thaum koj siv lub tshuab ua haujlwm ntev, qhov sib luag, lossis ib qho haujlwm uas xav tau kev txhawb nqa tailstock, qhov chaw xyaum ua lub hauv paus cuab yeej. Yog tsis muaj lub qhov chaw zoo:
Koj qhov chaw yuav khoov lossis sib tham thaum tig, qhov chaw tiav yuav raug kev txom nyem.
Thiab koj tuaj yeem poob qhov raug qhov tseeb raws li kev txiav quab yuam thawb qhov tawm ntawm -centre.
Lub qhov nruab nrab zoo kuj tseem pab koj tswj kev khiav tawm thiab txhim kho kev ruaj ntseg thaum lub sij hawm txiav hnyav dua, tshwj xeeb tshaj yog thaum qhov muaj qhov ntev - txog - txoj kab uas hla.
Cov yam ntxwv tseem ceeb ntawm qhov chaw xyaum
Dab tsi ua rau qhov chaw xyaum qhov tshwj xeeb yog nws cov geometry:
Lub 60℃suav nrog lub kaum sab xis tsim lub rooj kom raug rau cov chaw tshuab dhos.
Nws muaj luv luv, nruj ntu txiav, uas pab nws txiav kom raug.
Nws feem ntau suav nrog cov lus qhia me me, uas tuaj yeem ua rau tsis yooj yim, yog li koj xav tau kev sib dhos ruaj khov, noj kom raug, thiab koj yuav tsum tsis txhob yuam nws.
Nyob rau hauv luv luv, thaum koj xav tau kev txhawb nqa txhim khu kev qha thiab concentric tig cov txiaj ntsig, ib qho chaw xyaum yog ib qho ntawm cov kauj ruam me me uas ntse tshaj plaws uas koj tuaj yeem ua ua ntej kev txiav tiag tiag pib.
Spotting Drill vs. Center Drill
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Kev sib piv |
Spotting Drill |
Center Drill |
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Lub hom phiaj tseem ceeb |
Pab koj pib qhov kom raug: txo kev xyaum taug kev thiab txhim kho qhov chaw. |
Pab koj tsim kom zoo 60℃qhov chaw nruab nrab rau lub tailstock. |
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Tej tshuab |
CNC machining chaw, mills, laum chaw |
Tshuab dhos |
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Cov kev siv zoo tshaj plaws |
Ua ntej-drilling qhov chaw los coj ib tug twist xyaum; drilling ntawm kaum / nkhaus / ntxhib nto; nruj qhov chaw kam rau ua qhov qauv. |
Centering qhov kawg ntawm shafts / ntev qhov chaw; npaj lub rooj zaum hauv nruab nrab kom ruaj khov tig thiab zoo dua concentricity. |
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Cov ntsiab lus dav dav |
90℃/ 120℃/ 140 degree |
Feem ntau 60 degree |
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Lub kaum sib phim txoj cai |
Koj qhov chaw xyaum lub kaum sab xis yuav tsum sib npaug los yog loj dua koj qhov twist xyaum taw tes lub kaum ntse ntse. |
Tsis yog tsim los rau kev sib tw -drill lub kaum sab xis; tsim rau lub rooj zaum nruab nrab. |
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Cov cuab yeej geometry |
Luv luv, nruj txiav ntev rau ruaj khov nkag thiab rov ua dua. |
Feem ntau muaj cov lus qhia me me; zoo rau qhov chaw nruab nrab tab sis tsis yooj yim dua nyob rau hauv sab load lossis aggressive feed. |
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Lawv puas tuaj yeem hloov tau? |
Tsis yog, ib qho chaw xyaum yuav tsis tsim kom zoo 60℃qhov chaw rau tailstock txhawb. |
Qee lub sij hawm siv los pom hauv pinch, tab sis nws muaj kev pheej hmoo: lub kaum sab xis tsis sib haum, kev sib tsoo, thiab cov txiaj ntsig tsis sib xws. |
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Kev cuam tshuam rau qhov qhov chaw raug |
Muaj zog ho txhim kho qhov chaw thiab txo wandering. |
Cov kev xyaum hauv nruab nrab txwv tsis pub ua kom zoo rau CNC qhov - pib qhov tseeb. |
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Feem ntau yuam kev |
Xaiv qhov tsis ncaj ncees lawm, tangling, tawg, thiab kev nkag tsis zoo. |
Siv qhov chaw xyaum ua qhov chaw xyaum dav dav, snapped pilot, qhov chaw tsis zoo, thiab lub neej xyaum luv luv. |
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Yam tseem ceeb xaiv |
Tom ntej no laum taw tes lub kaum ntse ntse, qhov loj / qhov tob, khoom siv, tshuab rigidity, runout, coolant txoj kev. |
Txawm hais tias koj xav tau kev txhawb nqa tailstock, nruab nrab - qhov qauv. |
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RFQ cov ntaub ntawv los qhia |
Khoom siv, qhov Ø & qhov tob, twist xyaum taw tes lub kaum sab xis (118℃/ 135 degree), tshuab / tuav, kam rau ua, coolant. |
Cov khoom siv, qhov loj me, txawm tias tig ntawm qhov chaw, qhov chaw- qhov yuav tsum tau ua, kev teeb tsa. |
Qhov zoo tshaj plaws siv Case rau Spotting Drills
Thaum Koj Yuav Tsum Pom
Koj yuav tsum pom thaum qhov chaw qhov teeb meem tseem ceeb, thaum nruj qhov tseeb - txoj hauj lwm kam rau ua, ntsia liaj qhov rooj - qhov qauv, los yog qhov sib sib zog nqus drilling yog txuam nrog, qhov chaw me me yuam kev dhau los ua qhov tsis zoo. Spotting kuj pab tau thaum koj siv cov xyaum ntev, drilling cov ntaub ntawv nyuaj, los yog pom cov ntsis chipping.
Pom ntawm Curved lossis Angled Surfaces
Yog tias koj pib ntawm lub vojvoog, daim tawv nqaij, lossis lub ntsej muag, qhov pom yuav luag yog qhov yuav tsum tau ua. Ib qho chaw xyaum tsim lub rooj zaum ruaj khov, yog li koj qhov kev sib tw twist yuav tsis plam lossis taug kev mus rau sab. Khaws cov cuab yeej lo- tawm luv luv thiab qhov tob tob txaus los tsim lub khob hliav qab.
Thaum Koj Hla Kev Pom
Feem ntau koj tuaj yeem hla qhov pom yog tias koj siv lub pob tw luv luv, koj qhov teeb tsa tsis nruj nrog qhov qis qis, thiab qhov chaw tiaj tus thiab huv si. Yog hais tias qhov tseeb yog tseem drifting, ntxiv spotting rov qab; nws feem ntau pheej yig dua li rework.
Qhov zoo tshaj plaws siv Case rau Center Drills
Tig Ntawm Chaw
Koj yuav tsum siv qhov chaw xyaum thaum koj npaj yuav tig ib feem ntawm cov chaw lossis xav tau kev txhawb nqa tailstock ntawm lub workpiece ntev, slender. Lub qhov 60℃qhov chaw muab koj qhov chaw nyob / tuag qhov chaw zoo, txhim kho concentricity, txo deflection, thiab pab koj tsis txhob sib tham thaum lub sij hawm txiav hnyav.
Common Center Drill Styles
Feem ntau koj yuav pom Hom A (pib), Hom B (nrog lub txee loj dua rau kev txhawb nqa ntau), thiab Hom R (daim ntawv vojvoog kom muaj zog dua). Qhov kev xaiv yog nyob ntawm seb koj xav tau kev txhawb nqa ntau npaum li cas thiab qhov hnyav npaum li cas koj txoj kev tig yuav zoo li cas.
Center Drill Tips kom tsis txhob tsav tsheb tawg
Ua kom zoo sib xws, siv cov khoom noj ruaj khov, thiab tsis txhob yuam tus tsav. Txo cov cuab yeej stick- tawm, pom qhov chaw huv si, thiab nres thaum koj tsim lub rooj zaum hauv nruab nrab. Overdrilling ua rau muaj kev pheej hmoo.
Yuav Ua Li Cas Xaiv Cov Cuab Yeej Zoo
Xaiv los ntawm Tshuab & Ua Haujlwm
Pib nrog qhov koj tab tom ua. Yog tias koj drilling ntawm aCNC tshuabthiab saib xyuas qhov chaw ntawm qhov chaw, siv qhov chaw xyaum ua kom tsis txhob xyaum taug kev. Yog tias koj nyob rau ntawm lub tshuab dhos thiab xav tau kev txhawb nqa tailstock lossis tig ntawm cov chaw, siv lub chaw xyaum ua kom lub rooj zaum ntawm 60 degree.
Xaiv los ntawm Khoom & Tooling
Sib piv cov cuab yeej rau koj qhov teeb tsa thiab cov khoom siv. Hauv cov hlau hnyav lossis siab - ntim ua haujlwm, carbide qhov chaw xyaum ua rau koj rigidity thiab hnav tsis kam yog tias koj lub tshuab ruaj khov. Rau kev teeb tsa tsis yooj yim lossis cuam tshuam, HSS tau zam ntau dua. Khaws cov khoom qis qis thiab lo - tawm luv.
Xaiv los ntawm Qhov Kev Xav Tau
Tight tseeb- txoj hauj lwm, qhov tob, los yog lub kaum sab xis / nkhaus pib qhov chaw ua ntej. Ntev slender tig ua hauj lwm chaw xyaum ua ntej. Ib txwm phim qhov chaw xyaum lub kaum sab xis rau koj qhov kev sib tw twist.
Xaus
Yog tias koj xav tau qhov tseeb thiab tsawg dua kev xyaum ua haujlwm, tus yuam sij yog qhov yooj yim: siv lub tshuab ntsuas qhov ntsuas qhov chaw ntawm CNC mills, thiab siv qhov chaw xyaum los tsim qhov tseeb 60℃lub rooj rau tailstock kev txhawb nqa ntawm tshuab dhos. Ua kom koj qhov chaw xyaum lub kaum sab xis rau koj qhov kev sib tw twist, ua kom koj qhov teeb tsa nruj, thiab koj yuav txo qis kev xyaum taug kev, sib tham, thiab rov ua haujlwm sai. Xav tau kev pab xaiv? Xa GreatCNC koj cov khoom, qhov luaj li cas, thiab xyaum taw tes lub kaum ntse ntse, thiab pom zoo kom cov cuab yeej zoo thiab nqe lus sai.
FAQ
Q: Spot laum vs. center xyaum-Dab tsi yog qhov txawv?
A: Ib qho chaw xyaum ua haujlwm pab koj pib lub qhov kom raug ntawm lub zeb los ntawm kev tiv thaiv kev xyaum taug kev thiab tiv thaiv qhov sib tw twist. Lub hauv paus laum yog tsim los tsim lub qhov 60℃qhov chaw kom koj tuaj yeem txhawb nqa ib feem nrog lub tailstock / nyob nruab nrab ntawm lub tshuab dhos. Lawv zoo sib xws, tab sis lawv tau tsim los rau cov hauj lwm sib txawv, qhov tseeb pib vs qhov chaw txhawb nqa.
Q: Dab tsi qhov chaw xyaum lub kaum sab xis kuv yuav tsum siv rau 118℃/ 135℃xyaum?
A: Raws li txoj cai, xaiv qhov chaw xyaum taw tes lub kaum ntse ntse uas sib npaug lossis loj dua koj qhov kev sib tw. Rau 118℃xyaum, 120℃pom yog qhov sib tw. Rau 135℃xyaum, 140℃pom feem ntau yog qhov zoo tshaj plaws. Qhov no yuav pab kom cov di ncauj sib txuas sib npaug thiab txo qhov chipping lossis wandering.
Q: Puas yog ib qho chaw xyaum ua haujlwm hloov qhov chaw xyaum ntawm lub tshuab dhos?
A: Tsis ntseeg tau. Ib qho chaw xyaum feem ntau yuav tsis tsim qhov tseeb 60℃lub rooj zaum hauv nruab nrab uas xav tau rau kev txhawb nqa tailstock, yog li koj tuaj yeem poob qhov chaw sib cuag, ruaj khov, thiab kev sib koom ua ke thaum tig ntawm cov chaw. Yog tias koj xav tau kev txhawb nqa kom zoo rau qhov ntev lossis qhov sib luag, siv qhov chaw xyaum qhov tseeb.
Q: Spot laum vs countersink- puas yog lawv hloov tau?
A: Feem ntau tsis yog. Ib qho chaw xyaum yog tsim los tsim kom muaj qhov nruj, qhov tseeb pib taw tes nrog kev sib tham me me, thaum lub txee dai khaub ncaws yog tsim los rau chamfering thiab tuaj yeem sib tham yog tias koj sim pom qhov tob. Koj tuaj yeem siv qhov chaw xyaum rau lub teeb chamfer qee zaum, tab sis tsis txhob kho lub txee dai khaub ncaws raws li cov cuab yeej pom tseeb.
Q: Kuv yuav ua li cas tiv thaiv qhov chaw xyaum tsav tsheb tawg?
A: Ua kom muaj kev sib raug zoo, txo cov cuab yeej cuab tam - tawm, thiab tsis txhob yuam tus tsav. Siv cov khoom noj khov kho, tsis txhob khiav nrawm, thiab nres sai li sai tau thaum koj tsim lub rooj zaum 60 degree. Overdrilling ua rau muaj kev ntxhov siab rau tus tsav me me. Yog hais tias qhov saum npoo yog ntxhib los yog angled, fim nws kom huv si ua ntej kom txo qis sab load.