Aug 15, 2024Tso lus

Lub hom phiaj ntawm qhov kawg zeb

Lub ntsej muag rhodium
End mills tuaj yeem siv ua ntsej muag mills. Txawm li cas los xij, vim tias nws lub kaum sab xis nkag mus yog 90 degree, ntxiv rau lub ntsiab txiav quab yuam, lub cuab yeej feem ntau yog radial quab yuam, uas yog ib qho yooj yim ua rau deflection thiab deformation ntawm lub cuab yeej, thiab kuj yog ib qho yooj yim ua rau kev vibration, cuam tshuam rau machining efficiency. .

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Rhodium ntawm sab phab ntsa
Feem ntau cov workpieces haum rau machining nrog kawg mills muaj ib los yog ntau tshaj sidewall fim perpendicular mus rau hauv qab nto (uas yog parallel rau lub ntxaiv ntawm lub milling tshuab), uas nthuav tawm ib qho teeb meem uas tsis muaj nyob rau hauv lub ntsej muag milling: qhov teeb meem ntawm sidewall puab thiab raug.
Daim duab 3-3 qhia tau hais tias lub sidewall nto tsim los ntawm cov hniav circumferential ntawm lub kawg zeb. Nws tuaj yeem pom tias sab phab ntsa saum npoo yog ua los ntawm ntau yam arc wraps. Zoo ib yam li hauv qab qhov chaw tsim los ntawm fillet ntawm lub ntsej muag milling cutter insert, lub flatness ntawm lub hnab ntawv no muaj feem xyuam rau ob qho tib si lub cheeb ntawm lub cuab tam thiab pub rau ib tug hniav, raws li zoo raws li lub radial ncig runout ntawm cutter hniav. Yog hais tias ib feem ntawm qhov txiav ntug tsis nyob ntawm lub tog raj kheej ntawm lub voj voog ncig ntawm lub cutter, lub sidewall yuav tawm ntawm qhov tseeb. Qee qhov indexable kawg mills muaj qhov teeb meem no, uas yuav tau tham nyob rau hauv indexable kawg mills seem ntawm tshooj no, Tshooj 3.3.

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                                                3-3
Qhov teeb meem ntawm kev nce milling thiab cov pa milling tau tham hauv Tshooj 1, Tshooj 13 ntawm phau ntawv no, thiab qhov no kuj yog qhov kawg milling. Nyob rau tib lub sijhawm, txij li qhov kawg milling feem ntau siv me me diameters thiab ntev overhangs rau lub tshuab sidewalls, nws nce milling thiab cov pa milling yuav ua rau muaj kev hloov pauv ntawm qhov tseeb ntawm lub sidewall machined nto. Qhia nyob rau hauv daim duab 3-4 thiab 3-5 yog ib daim duab schematic ntawm lub zog ntawm lub kawg zeb thaum milling lub sidewall ntawm lub kawg zeb. Nws yog ib qho tseem ceeb kom nco ntsoov lub radial tivthaiv ntawm lub txiav quab yuam. Cov nyhuv ntawm cov khoom no yog rub lub workpiece ntawm lub cuab yeej, thiab cov tshuaj tiv thaiv quab yuam ntawm lub cuab yeej yog rub lub cuab tam mus rau lub workpiece (tsis plotted rau ntawm daim duab quab yuam). Qhov tshwm sim ntawm qhov kev txiav txim no thiab qhov overhanging ntawm lub cuab yeej yog tias lub cuab yeej muaj qhov nyiam "mus rau hauv", ua rau muaj qhov tshwm sim "gouge" (tseem hu ua "undercut", saib daim duab. 3-6a) ntawm lub hauv paus ntawm sidewall ntawm lub workpiece.

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                                                                                                           3-5
Txawm li cas los xij, cov khoom siv radial ntawm kev txiav quab yuam hauv kev nce milling muaj qhov cuam tshuam. Lub radial tivthaiv ntawm lub txiav quab yuam ntawm nce milling ua rau lub workpiece muaj ib tug nyiam tawm lub cuab tam, thiab cov tshuaj tiv thaiv quab yuam ntawm lub workpiece rau lub cuab tam kuj thawb lub cuab tam deb ntawm lub workpiece. Qhov tshwm sim ntawm qhov kev txiav txim no thiab lub cuab yeej overhang yog tias lub hauv paus ntawm lub sidewall ntawm lub workpiece yog sib cais los ntawm lub cuab tam, uas ua rau ib tug "undercut" tshwm sim (saib daim duab. 3-6b).
Yog li ntawd, yog hais tias ib tug kawg zeb yog siv los ua ib lub qhov, seb nws yog ib tug los ntawm zawj zeb los yog ib tug kaw keyway, yog hais tias lub zawj dav yog sib npaug zos rau txoj kab uas hla ntawm lub milling cutter, uas yog, ob sab yog txiav nyob rau tib lub sij hawm. , nws yuav tsum yog up-milling rau ntawm ib sab thiab cov pa milling rau lwm sab, thiab cov rog ntawm ob sab thiab lub overhang ntawm lub cuab yeej deflect lub cuab tam, ua rau overcut ntawm ib sab thiab undercut rau lwm yam, raws li qhia nyob rau hauv daim duab 3-6c.

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a) overcut b) undercut c) ob sab yog overcut thiab undercut feem

Hom kawg mills rau CNC machining

Muaj plaub yam tseem ceeb ntawm qhov kawg mills rau CNC machining:

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