3D打印机毕业设计

……………………. ………………. …………………山东农业大学毕业论文题目：3D打印机设计

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……………….……. …………. …………. ………学院机电学院专业班级电气五班届次2014届学生姓名姜云飞学号20100776

指导教师宋洪军

二O一四年五月十二日

目录

摘要 (Ⅰ)

Abstract (Ⅱ)

引言 (2)

1绪论 (2)

1.1 国内外3D打印机的研究现状 (2)

1.1.1 国外3D打印机的研究现状 (2)

1.1.2 国内3D打印机的研究现状 (3)

1.2 3D打印机的发展趋势 (3)

1.2.1 3D打印产业的未来发展前景 (3)

1.2.2 3D打印技术未来发展的主要趋势 (4)

1.3 3D打印机的工作原理及特点 (4)

1.4 发展创新与突破 (6)

2 总体方案及结构设计 (7)

2.1 引言 (7)

2.2 总体框架的设计 (8)

2.3 温度控制回路的设计 (8)

2.4 XYZ三方向控制电机的设计 (9)

2.5 喷头移动及喷出量调节的设计................... 错误!未定义书签。

3 机械结构 ......................................... 错误!未定义书签。

3.1 传动方式的选择............................... 错误!未定义书签。

3.2 转动惯量的计算............................... 错误!未定义书签。

3.3 喷头的选择 (12)

4 电机的选择 (13)

4.1 伺服电机和步进电机的对比 (13)

4.2 直流交流伺服电机对比 (15)

4.3 负载转矩的计算 (15)

4.4 打印速度的初步估计 (16)

5 传感器 (16)

5.1 温度传感器对比 (16)

5.2 机械位置传感器 (18)

5.3 压力传感器 (19)

6 3D打印机的优点及面临问题 (21)

6.1 3D打印机的优点 (21)

6.2 3D打印技术面临的问题 (21)

参考文献 (22)

致谢 (23)

Contents

Summary (Ⅰ)

Abstract ................................................. .. (Ⅱ)

1 Introduction (2)

1.1 Research Status 3D printer at home and abroad (2)

1.1.1 Research Status of Foreign 3D printer (2)

1.1.2 Research Status of domestic 3D printers (3)

1.2 Trends of 3D printer (3)

1.2.1 Future prospects of 3D printing industry (3)

1.2.2 3D printing technology for future development (4)

1.3 3D printer works and features (4)

1.4 The development of innovative and breakthrough (6)

1.5 Chapter Summary (7)

2 Overall program and structural design (7)

2.1 Introduction (7)

2.2 The overall design of the framework (8)

2.3 Temperature control loop design (8)

2.4 XYZ three directional control motor design (9)

2.5 Mobile and spray nozzle design volume adjustment (9)

3 Mechanical structure (10)

3.1 Select Transmission (10)

3.2 Calculation of moment of inertia (11)

3.3 Select nozzle (12)

4 Select motor (13)

4.1 Comparison of servo motors and stepper motors (13)

4.2 Comparison of DC servo motor (15)

4.3 The calculated of load torque (15)

4.4 Preliminary estimates Print Speed (16)

5 Sensor (16)

5.1 Comparison Temperature Sensor (16)

5.2 Mechanical position sensor (18)

5.3Pressure sensor (19)

6 Advantages of 3D printers and the problems faced (21)

6.1 Advantages 3D printer (21)

6.2 3D printing technology issues facing the (21)

References (22)

Acknowledgements (23)