为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)《机械设计基础》教学大纲一、课程的性质、任务和基本要求1.课程的性质:本课程是一门职业基础课。其目的是培养学生的工程计算能力和简单机械零部件的设计能力,同时也为后续课学习打下基础。2.课程的任务:熟悉常用机构、常用机械传动及通用零部件的工作原理、特点、应用、结构和标准,掌握常用机构、常用机械传动和通用零部件的选用和基本设计方法,具备正确分析、使用和维护机械的能力,初步具有设计简单机械传动装置的能力。3.课程的基本要求:(1)培养学生掌握一般机械传动装置、机械零件的设计方法及设计步骤。(2)培养学生利用所学知识,解决工程实际问题的能力。(3)对学生进行基本技能的训练。(4)具有与本课程有关的解题、运算、绘图能力和应用标准、手册、图册等有关技术资料的能力。二、教学环节和学时分配1、教学环节《机械设计基础》在机(电)类各专业和近机类专业整个教学计划中,处于承上启下的重要地位。一方面,要求学生应有比较扎实的物理、制图、金工、材料等先修课程的良好基础;另一方面,通过本课程的学习,也为后续机械专业课程学习打下良好的基础。本课程共设计84学时,其中实验占8学时。习题讲解占10学时。2、学时分配章节课程内容授课时数习题与讨论实验绪论2第一章平面机构的运动简图及自由度622第二章平面连杆机构62第三章凸轮机构6第五章带传动和链传动62第六章齿轮机构1824第七章蜗杆传动4为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)2第八章齿轮系4第十章轴和轴链接62十一章轴承42十二章联轴器和离合器2十四章机械的平衡和调速2总计66108三、教学内容及要点绪论:(一)教学目的:具有系统概括知识的能力、学会应用知识的能力。(二)教学内容:了解本课程学习对象、内容,掌握机械、机器、机构及零件、构件、部件的概念。(三)教学重点机械、机器、机构、零件、构件、部件的概念。第一章运动简图及自由度:(一)教学目的:会绘制机构的运动简图,会判定机构运动是否确定。(二)教学内容:了解运动副的概念和类型及表示方法,了解机构简图的绘制方法。掌握自由度的概念和运动副对自由度的限制,明确机构具有确定相对运动的条件,掌握简单机构自由度的计算。(三)教学重点自由度的概念和运动副对自由度的限制,简单机构自由度的计算。第二章平面连杆机构:(一)教学目的:能分析连杆机构的工作特性,会分析压力角、传动角的物理意义。(二)教学内容:熟悉铰链四杆机构的类型及应用,掌握铰链四杆机构有曲柄存在的条件,了解铰链四杆机构的演化形式。掌握机构压力角、传动角的概念及物理意义,掌握急回特性、死点位置的特性和应用。(三)教学重点铰链四杆机构有曲柄存在的条件,机构压力角、传动角的概念及物理意义,急回特性、为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstal