QualiNet - Automated in- line inspection and quality control of net shape powder metallurgy components...

通过粉末冶金（PM）获得的典型复杂形状的净成形零件被用于几个关键的工业部门，特别是汽车、航空航天和医疗。与传统铸造相比，它们的使用正在迅速增长，因为该工艺生产的零件具有所需的精确最终形状，很少或没有机械加工要求，结合细晶粒（纳米-微米尺度），均匀的显微结构，强度增强。然而，由于很少进行在线检查，因此缺乏生产质量控制。不经常进行的生产线末端检测导致6-8%的组件报废，但无法检测出微小的缺陷，这些缺陷会在服务中增长，从而产生重大的服务故障和召回。项目VISION是一个在线质量控制系统（CQINET），使用3D微焦点X射线成像和自动化创新（A）在烧结前和烧结后阶段检测和表征体积和表面微观缺陷。(B)决策：（i）部件验收或（ii）送去回收或（iii）送去缺陷修复治疗处方。CNOINET将消除浪费，增加生产线，减少能源消耗和碳排放，所有这些都将减少8%。对于最先进的粉末冶金部件生产线，包括通过激光沉积、纳米粉末和注塑成型进行的增材制造，这一优势将是最佳的。

Net shape parts of typically intricate and complex shape obtained by powder metallurgy (PM) are employed in several keymass industry sectors, especially automotive, aerospace and medical. Their use is growing rapidly in preference toconventional casting because the process produces parts in the precise final shape required with little or no machiningrequirement combined with fine grained (nano-micro scale), homegeneous microstructures of enhanced strength. Howeverthere is a lack of production quality control as little in-line inspection is performed. End-of-line inspection, not oftenperformed, leads to scrapping of 6-8% of components yet fails to detect micro sized defects, which can grow in service toproduce major in service failures and recalls. THE PROJECT VISION is an in-line quality control system (QUALINET) using3D microfocus x ray imaging with AUTOMATION INNOVATIONS (A) Detection and characterization of volume and surfacemicro-scale defects at the pre and post sintering stages. (B) Decision making: (i) component acceptance or (ii) send for recycling or (iii) send with a prescription for defect healing treatment. QUALINET will eliminate waste, increasing lineproduction, reducing energy consumption and carbon emissions, all by 8%. The benefit will be optimal for state of the artPM component lines including additive manufacturing by laser deposition, nano-powders and injection moulding.