The blended powder of nylon 12 and wollastonite was molded by selective laser sintering ( sls ) 摘要將尼龍12與硅灰石的混合粉末進(jìn)行選擇性激光燒結(jié)成型。
Selective laser sintering ( sls ) of metal powder is an important branch of fast archetypal manufacturing technology 金屬粉末選擇性激光燒結(jié)是快速原型制造技術(shù)的重要分支之一。
As an important branch of rapid prototyping ( rp ) , direct laser metal sintering ( dlms ) is used for manufacturing metal parts by scanning metal powder based on the process of selective laser sintering ( sls ) 直接激光金屬燒結(jié)技術(shù)基于選擇性激光燒結(jié)快速成形工藝機(jī)制,采用粉末逐點(diǎn)熔化的掃描方式,對金屬粉末材料進(jìn)行直接激光燒結(jié)成形制備金屬零件。
As an important branch of rapid prototyping ( rp ) , selective laser sintering ( sls ) is attractive to many researchers in manufacturing for its wide use of metal , polymer , ceramic and other powder in the sintering 但是,直接用金屬粉末激光燒結(jié)金屬零件還存在一定的不足之處,其中燒結(jié)件“球化” 、翹曲和開裂現(xiàn)象是制約金屬粉末選擇性激光燒結(jié)應(yīng)用的主要障礙。
Research progresses and the existing problems on metallic powder materials by selective laser sintering ( sls ) at home and abroad were reviewed , advantages and difficulties of nano powder materials by sls were treated , the development trends of metallic powder materials by sls were also predicted at the same time 摘要綜述國內(nèi)外選擇性激光燒結(jié)金屬粉末材料研究的發(fā)展現(xiàn)狀和存在問題,論述納米粉末材料選擇性激光燒結(jié)的優(yōu)點(diǎn)和難點(diǎn),展望選擇性激光燒結(jié)金屬粉末材料的發(fā)展趨勢。
In the paper , the current developments of rapid prototyping at home and abroad , the molding methods of rapid prototyping , their characteristics and the condition of applications were introduced , indicated that sterolithography apparatus ( sla ) selective laser sintering ( sls ) , laminated object manufacturing ( lom ) and fused deposition modeling ( fdm ) were the several main prototyping methods of rapid prototyping at present , and their prototyping principle were briefly discussed 本文首先介紹了快速成型技術(shù)的國內(nèi)外發(fā)展現(xiàn)狀、快速成型技術(shù)的成型方式、成型特點(diǎn)和應(yīng)用狀況,指出立體光固化( sla ) 、選擇性激光燒結(jié)( sls ) 、分層實(shí)體制造( lom ) 、熔積成型( fdm )是目前使用的幾種主要成型方式,并對它們的成型原理進(jìn)行了簡要介紹。