文档介绍：-
. z.
- .............................. ........Ⅱ
1 Introduction .....................................................2
Research Status 3D printer at home and abroad..................2
Research Status of Foreign 3D printer........................2
Research Status of domestic 3D printers.......................3
Trends of 3D printer...........................................3
Future prospects of 3D printing industry...................3
3D printing technology for future development..............4
3D printer works and features..................................4
-
. z.
- --
. -可修- .
The development of innovative and breakthrough.................6
Chapter Summary................................................7
2 Overall program and structural design.............................7
Introduction...................................................7
The overall design of the framework............................8
Temperature control loop design................................8
*YZ three directional control motor design.....................9
Mobile and spray nozzle design volume adjustment...............9
3 Mechanical structure.............................................10
Select Transmission..........................................10
Calculation of moment of inertia..............................11 Select nozzle.................................................12
4 Select motor....................................................13
parison of servo motors and stepper motors.................13
parison o