新型湿型砂热湿拉强度测试仪的研制.pdf

新埠!湿型砂热湿拉强度测试仪的研制 新型湿型砂热湿拉强度测试仪的研制 金宏伟，李华，黄天佑，胡永沂，康进武 (先进成形制造教育部重点实验室，清华大学机械工程系，北京100084) 摘要：研究开发了一种新型湿型砂热湿拉强度测试仪。该仪器以压缩空气作为总动力源，通过气缸 带动加热板升降，通过气液转换器和油缸实现液压加载；仪器由单片机系统控制，实现测试过程、 数据处理、显示和数据传输的自动化；仪器通过蓝牙模块作为工具实现与计算机的通讯，这为网络 化造型材料实验室的构建打下基础。 关键字：热湿拉强度；湿型砂；蓝牙；气动 Anew fortheMeasurementof typeApparatus WetTensile ofGreen Strength Sand Jin Jinwu Hongwei?LiHua。HuangTianyou．HuYongyi．Kang LabforAdvancedMaterials ofEducation， Key ProcessingTechnology，Ministry ofMechanical 100084 Depadment Engineering，TsinghuaUniversity，Beijing Abstrad：Anew forthemeasurementofwettensile of sandwasde- typeapparatus strengthgreen the 0f converters structureis for movement applied heatingpan，andgas—fluid veloped．Pneumatic andoil are for of is cylindersappliedloadingstrengthtest．SingleChipMicrocomputersystemadopted for test makes andtransmissionau— controllingprocedure，whichtesting，dataprocessing，indication Toothcommunication OfWirelessCommunicationTechno tomatically．Blue technology，one ogies，is forcommunicationbelweenthe and fundamentalfor applied apparatuscomputer．Itlays establishing inlab networkof materials molding testing． words：Wettensile Tooth sand，Blue Key strength，Green fechnology，Pneumatic ●·■■-·_●一