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  • BỘ PHẬN CHÍNH CỦA MỘT MÁY IN 3Dfix

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    Sơn Nguyễn
    11 views2 pages
    BỘ-PHẬN-CHÍNH-CỦA-MỘT-MÁY-IN-3Dfix

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    BỘ-PHẬN-CHÍNH-CỦA-MỘT-MÁY-IN-3Dfix

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    BỘ-PHẬN-CHÍNH-CỦA-MỘT-MÁY-IN-3Dfix

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    11 views2 pages

    BỘ PHẬN CHÍNH CỦA MỘT MÁY IN 3Dfix

    Uploaded by

    Sơn Nguyễn
    BỘ-PHẬN-CHÍNH-CỦA-MỘT-MÁY-IN-3Dfix

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
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    of 2

    B PHN CHNH CA MT MY IN 3D:

    My in 3D gm mt cm cc b phn hot ng ng thi to ra u ra theo mong


    mun t d liu nhp vo, cc b phn c bn ca mt my in 3D c lit k di y
    1. Bn in :
    y l mt mt phng v cc m hnh 3D s c xp lp trong sut qu trnh in
    trn b mt ny. Mi trng xung quanh bn in c th gia nhit ty thuc vo vt
    liu c s dng cho my in. Bn in gia nhit c s dng gi nhit cho cc
    phn in trong sut qu trnh xp lp trnh s cong vnh.

    2. My p n :
    y l b phn a dy nha nh, hay bt c loi dy no vo u nng. My p
    n thng kt hp vi u nng, tuy nhin trong mt s trng hp n c th s
    dng tch bit, y dy nha thng qua ng, c gi l Bowden cp, vo trong
    u phun. Trong mt vi kiu th s dng mt cp my p n c th cung cp
    2 loi vt liu khc nhau in trong cng 1 thi im. iu ny s lm tng gi
    sn phm, v n i hi thm 1 my p ng v 1 u nng.

    3. u nng :
    u nng bao gm mt ngun nhit, mt cm bin nhit v mt u phun ni
    c cung cp dy nha nh mc d tr sn mt lng vt liu nng chy, n
    thng b nhm ln vi my n.
    L phun c th c nhiu kch thc khc nhau, thng thng trong khong t
    0.2mm n 0.8 mm. u ra cng nh, sn phm cng chi tit hn nhng s tn
    nhiu thi gian hn v s c nhiu lp hn.

    4. Dy nha:
    Dy nha l vt liu u vo to ra vt th 3D bi my in. Ging nh phun mc
    trong my in phun mc, my in 3D y ra dy nha nng chy
    QU TRNH HOT NG CA MY IN
    3D

    Qu trnh in 3D (chuyn t tp tin s sang vt rn) l mt qu trnh di v phc tp. Qu


    trnh ny c d t theo 4 bc bn di:

    Bc 1: CAD file c ra t phn mm m phng, hoc l t bn pht tho hoc l bt


    u vi mt m hnh 3D c tao ra bi my qut 3D. D bng cch no, chng trnh s
    to file v gi n my in 3D. Khi , phn mm s ct sn phm thnh hng trm, hoc
    hng ngn lp. Cc lp ny s c in chng ln nhau n khi vt th 3D c hon
    thnh. C rt nhiu phn mm c s dng thit k vt th 3D nh Solidworks,
    AutoCAD v c sn cc chng trnh dy v phn mm ny, cn c rt nhiu cc chng
    trnh khc, min ph v rt d s dng. Phin bn min ph ca Google SketchUp l mt
    v d, n rt d s dng v chng trnh Blender ni ting v cc tnh nng mi.

    Bc 2: (ng c) Qu trnh hot ng ca my in 3D yu cu ng c c momen xon


    thp, chnh xc cao, ng c tt nht nn s dng trong trng hp ny l ng c
    bc - mt thit b in t chuyn i xung k thut s thnh trc quay c kh. u im
    ca ng c bc l chi ph thp, tin cy cao, momen xon cao tc thp v n
    gin chng l mt loi ng c ng b c bit c thit k xoay mt mc c th
    cho mi xung in c b iu khin ca n nhn c, mt phn ca mc c th
    c hon thnh nh vo bnh rng di chuyn u in n v tr c th, trong my in
    3D cn 4 ng c bc thc hin cc chc nng c th, 3 trong s l dng di
    chuyn u in theo 3 hng X, Y, Z v ci th 4 di chuyn bn in.

    Bc 3: (x l) Cc b vi x l AM335x c tng cng vi x l hnh nh, ha, v


    cc ty chn giao din cng nghip. Thit b ny h tr cc h iu hnh cao cp sau y
    (HLOS), B vi x l AM335x cha cc h thng con ny 1) B vi x l (MPU) 2) H
    thng con ho ho tng tc h tr hin th. Cho php hot ng c lp v gi
    cho hiu qu cao hn v tnh linh hot. Khi kh nng quy m tc t 600MHz n
    ln hn 1GHz.

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