尊敬的參展商、專業(yè)觀眾朋友： 感謝您對(duì)中國(guó)模具之都博覽會(huì)（寧波機(jī)床模具展）暨寧波國(guó)際智能工廠展覽會(huì)的支持與厚愛！ 鑒于目前國(guó)際新冠疫情防控形勢(shì)，為保障廣大參展商、專業(yè)觀眾的健康和安全，同時(shí)避免因疫情原因造成參展、參觀效果下降，組委會(huì)經(jīng)慎重研究決定按照國(guó)家有關(guān)疫情防控的總體要求：原定于2020年5月25-28日在寧波國(guó)際會(huì)展中心舉辦的“2020第16屆中國(guó)模具之都博覽會(huì)（寧波機(jī)床模具展）暨第5屆寧波國(guó)際智能工廠展覽會(huì)”延期舉辦。具體調(diào)整時(shí)間將根據(jù)疫情形勢(shì)及國(guó)家相關(guān)部門要求進(jìn)行綜合評(píng)估確定后******時(shí)間對(duì)外進(jìn)行公布。 我們將始終堅(jiān)持以客戶服務(wù)為中心，全力以赴做好展前籌備、服務(wù)和宣傳工作，我們有信心、有能力把寧波機(jī)床模具展越辦越好，以高質(zhì)量展會(huì)平臺(tái)推動(dòng)行業(yè)高質(zhì)量發(fā)展。 因展會(huì)延期給您參展參觀造成的諸多不便，敬請(qǐng)理解！感謝大家的配合和顧全大局，以及一直以來(lái)對(duì)金諾會(huì)展的大力支持。
寧波金諾會(huì)展有限公司 2020年4月14日
附函：
1 注塑機(jī)開模過(guò)程液壓沖擊與振動(dòng)測(cè)試分析…康獻(xiàn)民 鐘祺彬 譚艷雄 等 Test and Analysis of Hydraulic Shock Vibration in Opening Process of an Injection Molding Machine 5 基于Fluent高速列車齒輪箱泄漏量的數(shù)值分析…汪凱 冷喬立 趙佩寧 等 Numerical Analysis on Gearbox Leakage of High Speed Train Based on FLUENT 8 基于ROS的全向巡檢機(jī)器人底盤ARM控制器設(shè)計(jì)…韓雪 李有為 張忠 等 ARM Controller Design for Omni-Patrol Robot Chassis Based on ROS 10 8字繞障無(wú)碳小車的結(jié)構(gòu)設(shè)計(jì)與分析…趙春華 陳小甜 李謙 等 Structural Design and Analysis of 8-shaped Obstacle-free Carbon-free Trolley 13 老齡VLCC海上儲(chǔ)油風(fēng)險(xiǎn)的多層模糊綜合評(píng)價(jià)…李源 秦北辰 朱發(fā)新 Multi-level Fuzzy Comprehensive Evaluation of Aging VLCC Offshore Oil Storage Risk 17 礦場(chǎng)集輸原油處理過(guò)程VOCs排放量計(jì)算…劉洋 王北福 周靖也 等 Calculation of VOCs Emission during Crude Oil Processing 20 基于OpenMV的智能搬運(yùn)車型機(jī)器人的設(shè)計(jì)…施敏虎 栗云鵬 莊曙東 等 Design of Intelligent Handling Tracking Car Based on OpenMv 23 機(jī)床工作臺(tái)模態(tài)分析及拓?fù)鋬?yōu)化…陳丁 康獻(xiàn)民 余為洲 Modal Analysis and Topology Optimization of Machine Tool Table 26 基于Fluent的泥漿脈沖發(fā)生器沖蝕磨損規(guī)律研究…王哲 Study on Erosion and Wear Law of Mud Pulse Generator Based on Fluent 29 基于Python的木板條紋與顏色檢測(cè)系統(tǒng)…宋鈺青 Wooden Board Stripe and Color Detection System Based on Python 32 6-UPS并聯(lián)機(jī)器人運(yùn)動(dòng)反解誤差建模及補(bǔ)償…李帥 張學(xué)科 Modeling and Compensation of Motion Reverse Solution Error of 6-UPS Parallel Robot 34 一種電纜檢測(cè)機(jī)器人的結(jié)構(gòu)設(shè)計(jì)與分析…石柯 夏斌 卞慶隆 等 Structural Design and Analysis of a Cable Inspection Robot 37 基于ANSYS的平地機(jī)前車架動(dòng)態(tài)性能分析…寧凡 于明 趙堅(jiān) 等 Dynamic Performance Analysis on the Front Frame of the Grader Based on ANSYS 39 基于MCGS鯧魚自動(dòng)變頻分揀傳送系統(tǒng)…梁博 張存喜 MCGS-based Automatic Frequency Conversion and Sorting Transmission System for Silvery Pomfret 43 圓弧開合式臨時(shí)頂蓋結(jié)構(gòu)設(shè)計(jì)…楊歡 馮棟彥 張新雨 等 Structural Design of Arc Opening and Closing Type Temporary Roof 46 光學(xué)瞄準(zhǔn)鏡鏡身關(guān)鍵工序夾具優(yōu)化設(shè)計(jì)…沈偉平 王成 賈超凡 Optimum Design of Fixture for Key Procedures of Optical Sight Body 51 襯套旋塞閥開關(guān)力矩的影響因素及計(jì)算研究…周長(zhǎng)寶 Affecting Factors and Calculation of Switching Torque of Bushing Plug Valve 53 高速列車線纜組件三維建模標(biāo)準(zhǔn)研究…王棟 高思軍 馬力 Research on Three-dimensional Modeling Standard for Cable Assembly of High-Speed Trains 57 家用空調(diào)室外機(jī)抗颶風(fēng)支架的設(shè)計(jì)校核及分析…魯文喜 Design Check and Analysis of Anti-hurricane Bracket for Outdoor Air Conditioner 60 智能惡臭測(cè)定儀嗅杯轉(zhuǎn)動(dòng)裝置改進(jìn)設(shè)計(jì)…劉杰 Improved Design of the Olfactory Cup Rotating Device in an Intelligent Stink Analyzer 62 熔融堆積快速成型室結(jié)構(gòu)設(shè)計(jì)與數(shù)值模擬…劉亞潔 何冰 陳鵬飛 Structural Design and Numerical Simulation of FDM Molding Chamber 66 海上浮動(dòng)核電站檢修臨時(shí)起重支架計(jì)算…梁魁 徐楚 Calculation of Temporary Lifting Brackets for Maintenance of Offshore Floating Nuclear Power Plants 68 雙擺頭型五軸數(shù)控機(jī)床的坐標(biāo)變換關(guān)系研究…王馨 李憲輝 Research on Coordinate Transformation Relationship of Double Pendulum Head Five-axis CNC Machine 71 某型直升機(jī)農(nóng)林噴灑系統(tǒng)性能分析…梁偉 管華盛 張?jiān)１?等 Performance Analysis of a Helicopter Agriculture and Forestry Spraying System 74 修井鐵鉆工自動(dòng)找中關(guān)鍵技術(shù)研究…趙勇 Research on Key Technologies of Automatic Centring for Workover Iron Roughneck 76 水下液壓連接器彎曲載荷試驗(yàn)裝置設(shè)計(jì)…侯曉東 虞文 沈勇 等 Design of Bending Load Test Device for Underwater Hydraulic Connector 79 孔位置度******補(bǔ)償加工技術(shù)…袁祥祥 姚輝 李昂 等 Accurate Compensation Processing Technology of Hole Position 82 基于回歸分析法的光伏發(fā)電功率預(yù)測(cè)模型研究…姚寧 周力民 陳城 Research on Prediction Model of Photovoltaic Power Based on Regression Analysis 85 PRT安裝技術(shù)研究…齊兵兵 曲有杰 朱國(guó)僑 等 Research on PRT Installation Technique 88 基于VTS雷達(dá)的波導(dǎo)裂縫天線結(jié)構(gòu)方案設(shè)計(jì)…李成 丁飛 Structure Scheme Design of Waveguide Slot Antenna Based on VTS Rada 90 某飛機(jī)主起落架上位鎖間隙檢測(cè)裝置的改進(jìn)設(shè)計(jì)…白亞玲 胡阿林 樊智敏 Improvement of Uplock Multiple Gap Detecting Device and Beneficial Effect of Uplock Assembly Process 92 鵝頸鉸鏈設(shè)計(jì)要點(diǎn)研究…牛福春 劉旭 Research on the Key Design Points of Gooseneck Hinge Assembly 95 基于UG的一種螺旋清角編程方法…李春剛 郭輝 沈勇 等 A Kind of Spiral Scrap Chopper Programming Method Based on UG 97 一種風(fēng)電聯(lián)軸器脹緊套強(qiáng)度校核方法…王習(xí)林 秦中正 胡偉輝 等 Strength Check Method for Expansion Sleeve of Wind Turbine Coupling 100 基于多級(jí)基準(zhǔn)坐標(biāo)系的車身偏差診斷方法研究…李正平 Research on Diagnosis Method of Car Body Deviation Based on Multi-level Reference Coordinate System 103 基于MATLAB軟件的機(jī)電懸掛連桿機(jī)構(gòu)的運(yùn)動(dòng)學(xué)分析…段國(guó)柱 宋慧新 陳宇 等 Kinematics Analysis of Mechatronic Suspension Linkages Based on MATLAB Software 105 自由形狀基準(zhǔn)特征部件幾何尺寸與公差基準(zhǔn)系創(chuàng)建規(guī)則初探…田立群 Study on Creating Rule of Free-form Datum Feature Parts Geometric Dimensions and Tolerance Datum System 107 電動(dòng)機(jī)驅(qū)動(dòng)器行星架的結(jié)構(gòu)優(yōu)化…胡濤 Structural Optimization of Planetary Carrier of Motor Actuator 110 新型機(jī)載顯示器模塊化設(shè)計(jì)研究…封振 王磊 官權(quán) Research on Modular Design of New Airborne Display 112 一種基于變頻驅(qū)動(dòng)的新型緊鏈裝置設(shè)計(jì)…涂偉 Design of a New Tight Chain Device Based on Variable Frequency Drive 114 基于NX NASTRAN的醫(yī)用X光機(jī)C臂有限元分析…王洪亮 劉倩 顧宸嘉 等 Finite Element Analysis on C-arm of Medical X-ray Machine Based on NX NASTRAN 117 應(yīng)用MS Excel求解三參數(shù)威布爾分布函數(shù)的參數(shù)估計(jì)…劉子娟 鄭學(xué)斌 郭小軍 Parameter Estimation of Three-Parameter Weibull Distribution Function Using MS Excel 120 煤礦起重機(jī)吊重防擺控制研究…張桂欣 胡相捧 李雪偉 Research on Anti-swing Control of Coal Mine Crane 122 平臺(tái)化設(shè)計(jì)在商用空調(diào)冷水機(jī)組產(chǎn)品設(shè)計(jì)中的應(yīng)用…陳賓賓 徐燕華 Platform Design in Commercial Air-conditioning Chiller Products 125 100%低地板輕軌車輛齒輪箱輸出軸密封設(shè)計(jì)及試驗(yàn)驗(yàn)證…侯建文 張會(huì)杰 Design and Test Verification of Gearbox Output Shaft Seal for 100% Low Floor Light Rail Vehicle 128 基于ANSYS的汽輪發(fā)電機(jī)轉(zhuǎn)軸的過(guò)盈配合分析…黃鵬 任倢 張金華 Analysis on Interference Fit of Turbo Generator Shaft Based on ANSYS 131 基于有限元法的空調(diào)換熱管的塑性失穩(wěn)分析…岳建軍 Analysis of Plastic Instability of Air-conditioning Heat Exchange Tubes Based on Finite Element Method 134 利用NX表達(dá)式功能對(duì)曲柄銷盤參數(shù)化建模與數(shù)控編程…付躍飛 吳紅瓊 熊永釗 等 Parametric Modeling and NC Programming for Crank Pin Ring Using Expression Function in UG NX 137 高速盤端蓋成型工藝技術(shù)及裝備研究…呂明曉 于在洋 侯建永 等 Research on Forming Technology and Equipment of High-speed Disk End Cap 140 電主軸后培林座銑床加工工藝分析和夾具設(shè)計(jì)…曾福輝 Milling Process Analysis and Fixture Design of Rear Bearing Base in Electric Spindle 142 臥式車床加工中產(chǎn)生波紋的原因分析及解決對(duì)策…何思琦 Cause Analysis and Countermeasure of Ripples in Horizontal Lathe Processing 145 六自由度機(jī)器人葉片剖光研究…王剛 趙尚福 Research on Blade Polishing by using 6-DOF Robot 148 模流分析在塑件翹曲成因分析中的應(yīng)用…林國(guó)漢 王小龍 Analysis and Structural Optimization of Warpage of Plastic Parts Based on Mold Flow Analysis 151 某型燃?xì)廨啓C(jī)起動(dòng)超溫故障原因分析…曾可卉 唐瑞 曹云鵬 等 Analysis on an Over-temperature Fault of Gas Turbine 154 撬裝式壓縮機(jī)萬(wàn)向聯(lián)軸器的斷裂失效分析…徐春華 張鶴 孫奎峰 等 Fracture Failure Analysis of Universal Coupling of Skid-mounted Compressor
1 水平旋轉(zhuǎn)摟草機(jī)彈齒運(yùn)動(dòng)學(xué)分析…杜韌 趙忠賢 李佳棟 等 Kinematics Analysis on Elastic Tooth of Horizontal Rotating Rake 4 一種上肢康復(fù)機(jī)器人機(jī)械臂的結(jié)構(gòu)優(yōu)化分析…柳海瑞 王鈺 Structural Optimization Analysis of an Upper Limb Rehabilitation Robot Manipulator 7 基于激光跟蹤儀的工裝調(diào)裝檢測(cè)技術(shù)研究…王巍 陳澤宇 Research on Tooling Adjustment and Detection Technology Based on Laser Tracker 10 甘油作非溶劑制備PEI中空纖維膜的微觀形貌分析…劉洋 王北福 Micromorphology Analysis of PEI Hollow Fiber Membrane Prepared by Glycerol as Non-solvent 14 海浪能潮汐能雙模式發(fā)電裝置設(shè)計(jì)與研究…孔凡國(guó) 張健存 劉慶 等 Design and Research of Wave Energy Tidal Energy Dual Mode Power Generation Device 18 基于ANSYS的某航空活塞發(fā)動(dòng)機(jī)凸輪軸模態(tài)分析…魏武國(guó) 馮浩陽(yáng) Modal Analysis of an Aviation Piston Engine Camshaft Based on ANSYS 20 平地機(jī)鏟刀的動(dòng)力學(xué)特性分析…劉聰 于明 趙堅(jiān) 等 Dynamic Characteristics Analysis of Grader Blade 23 西門子系統(tǒng)R參數(shù)在非連續(xù)函數(shù)曲線編程中應(yīng)用…卞迪 Application of Siemens System R parameter in Discontinuous Function Curve Programming 25 SiCp/Al復(fù)合材料振動(dòng)輔助研拋數(shù)值模擬的研究…劉亞梅 馮潔 谷巖 等 Research on Numerical Simulation of Composite Materials Vibration Assisted Polishing 30 內(nèi)燃叉車噪聲污染及降噪技術(shù)研究…褚東亮 阮榮慧 孫衛(wèi)華 等 Research on Noise Pollution and Control Technology of Internal Combustion Forklift 33 基于RGB-D傳感器的同步定位與建圖方法研究…周夢(mèng)妮 張國(guó)偉 盧秋紅 等 Research on Simultaneous Localization and Mapping Method Based on RGB-D Sensor 37 一種鏈板式零件的氣動(dòng)可調(diào)銑削夾具…晁瑞 李志峰 Pneumatic Adjustable Milling Jig for Chain Plate Type Parts 40 基于DEFORM-3D液壓剪剪切棒料剪切質(zhì)量影響因素的研究…李彬彬 傅波 衛(wèi)平 Research on Influence Factors of Bars Shear Quality Using Hydraulic Shear Based on DEFORM-3D 43 聯(lián)接螺栓對(duì)鼓筒轉(zhuǎn)子臨界轉(zhuǎn)速影響的研究…劉元周 宋志佳 曹慶宇 等 Research on the Influence of Bolted Connection on the Critical Speed of Drum Rotor 45 平地機(jī)駕駛艙動(dòng)力學(xué)特性研究…王志斌 于明 趙堅(jiān) 等 Finite Element Vibration Analysis and Structural Optimization of Grader Cockpit 47 液壓鑿巖機(jī)雙緩沖機(jī)構(gòu)動(dòng)力學(xué)的仿真分析…陽(yáng)復(fù)建 劉忠 Dynamics Simulation Analysis on Double Buffer Mechanism of Hydraulic Rock Drill 49 燃?xì)廨啓C(jī)傳動(dòng)箱超扭保護(hù)器故障分析…胡盼 唐瑞 曹云鵬 等 Failure Analysis of Gas Turbine Transmission Box Overtorque Protector 52 65Mn彈簧鋼表面激光淬火的顯微組織及性能研究…杜成明 朱錦云 楊振 等 Study on Laser Quenched Surface Microstructure and Properties of 65Mn Spring Steel 54 3000 hp叢式井鉆機(jī)導(dǎo)軌雙向移運(yùn)技術(shù)研究…于浩 張虎山 張鵬 等 Research on Two-way Guide Rail Moving of 3000 hp Cluster Well Rig 57 核輻射環(huán)境下機(jī)器人末端快換裝置的設(shè)計(jì)…唐瑞瑞 劉永霞 Design of Robot End Quick Change Device under Nuclear Radiation Environment 59 整車匹配檢具（TAC）的發(fā)展…沈忠民 Development of Total Assembly Checking Fixture 64 基于斷裂韌性可靠性模型的堆芯筒體快斷評(píng)價(jià)…石凱凱 劉文進(jìn) 鄭連剛 等 Fast Fracture Mechanics Evaluation of Beltline Considering Reliability Models of Fracture Toughness 66 基于原機(jī)結(jié)構(gòu)的機(jī)身大開口補(bǔ)強(qiáng)設(shè)計(jì)…顏凱 鮮章林 Reinforcement Design for Large Opening of Original Fuselage Structure 69 無(wú)人機(jī)視覺定位與避障子系統(tǒng)研究…林濤 Research on Vision Location and Obstacle Avoidance Subsystem of UAV 71 中速柴油機(jī)活塞銷的結(jié)構(gòu)設(shè)計(jì)…趙飛 史乃祥 Structure Design for Medium Speed Engine’s Piston Pin 74 機(jī)電設(shè)備安裝與調(diào)試的“匠心”實(shí)踐教學(xué)…陳青艷 Ingenuity Creative Practice Teaching of Installation and Debugging for Mechanical and Electrical Equipment 76 基于VERICUT的塑料薄膜生產(chǎn)線鋏體加工工藝優(yōu)化…宋強(qiáng) Manufacturing Optimization of Tongs Body in Plastic Film Production Line Based on VERICUT 79 核電站閥門抗震分析與計(jì)算…周長(zhǎng)寶 Anti-seismic Analysis and Calculation of Nuclear Power Plant Valves 81 軟態(tài)TP2銅材室溫抗拉強(qiáng)度的概率分布…張紅衛(wèi) 楊帆 劉岑 等 Probability Distribution of Soft State TP2 Copper Tensile Strength at Room Temperature 86 基于SolidWorks的切割機(jī)轉(zhuǎn)軸有限元分析…周琦 Finite Element Analysis of Cutting Machine Spindle Based on SolidWorks 88 平動(dòng)機(jī)構(gòu)在煙草機(jī)械中的應(yīng)用…吳曉飛 Application of Translational Mechanisms in Tobacco Machinery 90 尺寸數(shù)據(jù)報(bào)警的創(chuàng)新設(shè)計(jì)…李正平 Innovative Exploration on Dimension Data Alarming System Design 93 垃圾發(fā)電汽輪機(jī)甩負(fù)荷失敗分析與系統(tǒng)優(yōu)化…李想 張雪 曹兵 Failure Analysis and System Optimization of Garbage Power Turbine Load Rejection 96 軸承安裝與固定的工藝參數(shù)研究…李春剛 郭輝 沈勇 等 Research on Technological Parameters of Bearing Installation and Fixing 98 長(zhǎng)慶蘇里格油田區(qū)塊在役鉆機(jī)移運(yùn)方案設(shè)計(jì)…張贏斌 侯敏 黃許澎 等 Rail-type Integral Movement Solution Design of In-service Rig at Changqing Sulige Oil Field 102 基于AMESim的鋼絲繩式隔水管張緊系統(tǒng)仿真分析…李歡 鄭萬(wàn)里 樊春明 等 AMESim-based Study on Analysis and Simulation of Steel Cable Riser Tensioning System 105 基于DNVGL-ST-E273的深水預(yù)調(diào)試模塊結(jié)構(gòu)設(shè)計(jì)…石錦坤 張藝凡 劉毅 等 Structural Design of Deepwater Pre-Debug Module Based on DNVGL-ST-E273 108 松軟低透煤層高壓水射流破煤增透技術(shù)研究…梁建明 吳瓊 Study on Breaking Coal and Coal Permeability Enhancement Technology of Medium and High Pressure Water Jet in Soft and Low Permeability Coal Seam 111 一種輕型高速料箱堆垛機(jī)的開發(fā)與應(yīng)用…傅友賓 紀(jì)然 陳仕彬 Development and Application of a Lightweight High-speed Bin Stacker 113 基于MASTA軟件的齒輪嘯叫分析與解決方法…王炳善 Analysis and Solution of Gear Whine Based on MASTA Software 116 跨越式電動(dòng)平板車的設(shè)計(jì)與應(yīng)用…景紅濤 Design and Application of Leaping Electric Flatbed 118 頂燃式熱風(fēng)爐的數(shù)值模擬研究…黃碧輝 呂遐平 Study on Numerical Simulation of Top Combustion Hot Blast Stove 121 微型泵驅(qū)動(dòng)原理及其在電子設(shè)備熱管理中的應(yīng)用…吳波 Driving Principle of Micro-pump and Its Application in Thermal Management of Electronic Equipment 123 高溫蒸汽管線保溫改造方案及經(jīng)濟(jì)效益分析…趙輝 朱鵬 Thermal Insulation Transformation Scheme and Economic Benefit Analysis of High Temperature Steam Pipelines 125 基于平面假設(shè)求解風(fēng)機(jī)彈簧減震器支反力…張文曉 Support Force Calculation of Fan Spring Shock Absorber Based on Plane Assumption 127 24 m履帶自行式仰拱棧橋與半幅仰拱模板聯(lián)合設(shè)計(jì)的研究與應(yīng)用…時(shí)安琪 王柏松 武家欣 等 Collaborative Design and Application of 24 m Caterpillar Self-propelled Invert Trestle and Semi-range Invert Formwork 130 基于設(shè)計(jì)敏度的試驗(yàn)機(jī)過(guò)渡段結(jié)構(gòu)優(yōu)化設(shè)計(jì)…鮮章林 郝琳召 李思潭 Structure Optimization of Experimental Aircraft Transition Section Based on Design Sensitivity 133 車銑復(fù)合靜壓轉(zhuǎn)臺(tái)的開發(fā)…秦建宏 劉錦輝 Development of Turning-milling Composite Hydrostatic Turntable 136 基于嵌入式處理器和LabVIEW的小型無(wú)人艇控制系統(tǒng)設(shè)計(jì)與實(shí)驗(yàn)研究…闞亞雄 Design and Experimental Study of a Small Unmanned Boat Control System Based on Embedded Processors and LabVIEW 142 基于深度確定性策略梯度算法的雙輪機(jī)器人平衡控制研究…劉勝祥 林群煦 楊智才 等 Balance Control of Two-wheeled Robot Based on Deep Deterministic Policy Gradient 154 剪叉式高空車轉(zhuǎn)向機(jī)構(gòu)結(jié)構(gòu)分析…陸進(jìn)添 劉丹 鄧安田 Structural Analysis on Steering Mechanism of Scissor Aerial Work Platform 61 螺旋輸送機(jī)減速電動(dòng)機(jī)連接軸的斷裂失效分析…蔡小亮 Fracture Failure Analysis of Geared Motor’s Connecting Shaft in Screw Conveyor 147 某變速器中間軸齒輪斷齒失效分析…李本軍 王東霞 崔東偉 等 Broken Gear Failure Analysis of a Transmission Intermediate Shaft Gear 139 一種多墊圈少?gòu)U料沖裁的復(fù)合模具…白亞玲 Composite Die with Less Waste Material for Punching Multiple Gasket 145 A/C軸雙擺頭C軸限位技術(shù)研究…梁艷超 王剛 Research on C-axis Limit Technology of A/C Axis Double Pendulum Head 150 兩點(diǎn)支撐主軸裝配工藝淺析…連改紅 孔亞軍 Analysis on Assembly Process of Two-point Support Spindle 152 NX在變距螺桿建模及加工中的應(yīng)用…張洋揚(yáng) Application of NX in Modeling and Machining of Variable Pitch Screw
