3D luam ntawv thev naus laus zis muaj qhov tsis muaj qhov kawg rau kev muaj tswv yim zoo thiab kev tsim qauv sai, tab sis kev paub txog qee cov tswv yim yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo tshaj plaws. Txawm hais tias koj yog tus pib lossis paub txog, cov lus qhia no yuav pab koj ua kom koj cov ntawv luam tawm tau zoo thiab txo qhov ua tsis tiav thiab pov tseg.
I. Ua ntej-Printing Preparation
1. Xaiv cov khoom luam ntawv zoo
Cov ntaub ntawv 3D sib txawv (xws li PLA, ABS, thiab PETG) muaj cov khoom sib txawv. PLA yog cov khoom siv zoo tshaj plaws rau cov neeg pib tshiab, vim nws yooj yim luam tawm thiab tsis muaj ntxhiab tsw. ABS muaj zog dua tab sis yuav tsum muaj lub txaj sov thiab qhov cua zoo. PETG muaj ob qho tib si toughness thiab kub tsis kam. Xaiv cov khoom raws li koj qhov project xav tau thiab xyuas kom meej tias koj lub tshuab luam ntawv sib xws.
2. Qauv Optimization thiab Slicing chaw
Ua ntej luam ntawv, ua kom zoo dua koj tus qauv 3D siv cov software tshaj lij (xws li Cura lossis PrusaSlicer):
Xyuas cov qauv qauv: xyuas kom tsis muaj cov phab ntsa nyias, overhangs, lossis cov ntsiab lus me me. Ntxiv kev txhawb nqa yog tias tsim nyog. Kho cov txheej qhov siab: Ib txheej me me qhov siab (xws li, 0.1mm) tuaj yeem txhim kho kev nthuav dav tab sis nce sijhawm luam ntawv; ib txheej loj qhov siab (piv txwv li, 0.2mm) yog sai dua tab sis ua rau lub rougher nto.
Infill ntom: Kho raws li qhov xav tau siv (piv txwv li, 10% -15% rau cov qauv duab, 20% -30% rau qhov chaw ua haujlwm).
3. Calibrate lub tshuab luam ntawv
Platform leveling: Xyuas kom lub txaj luam tawm yog sib npaug ntawm lub nozzle (feem ntau sim nrog ib daim ntawv; nws yuav tsum rub me ntsis tab sis muaj qhov tsis kam).
Kev ntsuas kub: Xa mus rau cov lus pom zoo ntawm cov chaw tsim khoom. PLA feem ntau siv lub taub hau ntawm 200℃thiab qhov chaw sov so ntawm 50-60 degree; ABS tej zaum yuav xav tau qhov chaw ntawm 230℃thiab qhov chaw sov so ntawm 100 degree.
II. Kev ceev faj thaum lub sij hawm luam ntawv
Thawj txheej yog qhov tseem ceeb.
Lub adhesion ntawm thawj txheej ncaj qha cuam tshuam qhov kev vam meej ntawm tag nrho cov luam tawm. Yog hais tias thawj txheej warps los yog peels tawm:
Xyuas kom lub txaj rhuab yog kub txaus.
Ntxuav lub txaj txaj (siv cawv kom degrease). Sim siv cov nplaum nplaum (xws li blu-tack, daim kab xev npog, los yog daim ntawv lo rau ntawm daim tawv nqaij).
2. Tiv thaiv kev luam ntawv tsis tiav
Clogged Nozzle: Yog tias luam ntawv cuam tshuam los yog filament flow tsis du, lub nozzle yuav raug txhaws. Sim manually preheating thiab tu.
Layer Separation: Qhov no tej zaum yuav qhia tau tias qhov kub thiab txias tsis txaus los yog luam ntawv ceev heev. Ua kom kub lossis txo qhov nrawm kom tsim nyog.
Warping los yog Deformation: ABS yog feem ntau warping vim cua txias ceev. Qhib lub tshuab luam ntawv kaw lub chamber los yog siv lub "skirt" muaj nuj nqi los txhim kho cov adhesion ntawm thawj txheej.
III. Tshaj tawm -Cov lus qhia txog kev luam ntawv
1. Txhawb Kev Tshem Tawm thiab Tshaj Tawm -Kev Ua Haujlwm
Txhawb Cov Qauv: Tom qab luam ntawv, ua tib zoo tshem cov kev txhawb nqa kom tsis txhob ua rau tus qauv ntog. Dej- cov kev txhawb nqa soluble (xws li PVA) yog qhov tsim nyog rau cov qauv tsim.
Xuab zeb thiab polishing: Siv cov ntawv xuab zeb kom du tawm cov npoo ntxhib, lossis siv acetone vapor (ABS nkaus xwb) los txhuam qhov saum npoo.
2. Kev pleev xim thiab ua tiav
Txhawm rau txhim kho qhov zoo nkauj ntawm koj tus qauv, koj tuaj yeem:
Xim nrog acrylic xim los yog tshuaj tsuag xim. Coated nrog ntshiab epoxy resin rau txhim kho durability.
IV. Ntev -Cov Lus Qhia Txog Kev Kho Lub Sij Hawm
Ntxuav lub nozzle tsis tu ncua: Siv ib rab koob kom tshem tawm lossis txias - rub kom tshem tawm cov yas seem.
Lubricate cov lus qhia: Khaws X/Y/Z-axis guide rails du thiab ntev lub neej ntawm lub tshuab luam ntawv.
Firmware Hloov tshiab: Tshawb xyuas nrog cov chaw tsim khoom rau cov firmware tshiab los txhim kho kev ruaj ntseg luam ntawv thiab ua haujlwm.
