SCARA机器人

SCARA机器人结构与实验装置设计

摘要

工业机器人是最典型的机电一体化数字化装备，技术附加值很高，应用范围很广，作为先进制造业的支撑技术和信息化社会的新兴产业，将对未来生产和社会发展起着越来越重要的作用。

本文设计了一个教学用SCARA机器人。SCARA机器人(全称Selectively Compliance Articulated Robot Arm)很类似人的手臂的运动，它包含肩关节肘关节和腕关节来实现水平和垂直运动。它是一种工业机器人，具有四个自由度。其中，三个旋转自由度，另外一个是移动自由度。它能实现平面运动，具有柔顺性，全臂在垂直方向的刚度大，在水平方向的柔性大，广泛用于装配作业中。

本文用模块化发计方法设计了SCARA机器人的机械结构。本文结合Pro/e三维建模分别对基座、大臂、小臂、以及腕部关节做了详细的设计，并根据实际工作情况对各关节进行受力分析，并模拟了机器人的工作状态，严格保证了该设计在工作中的安全性和可靠性，具有很好

使用价值和发展前景。最后，本文还分析了SCARA机器人的运动学正解和逆解，建立了机器人末端位姿误差计算模型并做了运动模拟，更加证实了本设计在实际应用中的实用性和可靠性。

关键字: SCARA，四个自由度，受力分析

二氧化钼

废旧电路板提金技术 DESIGN OF SCARA ROBOT STRUCTURE AND

EXPERIMENTAL DEVICE

ABSTRACT

Industrial robot 制作智能卡is the most typical mechatronic digital equipment, added value and遥控机器人 high, wide range of applications, support for advanced manufacturing technology and info

rmation society, new industries, and social development of future production will 土工格室护坡increasingly play a The more important role.

SCARA(Selectively Compliance Articulated Robot Arm)robots work in a similar Way as human’s arms．The SCARA robot，incorporating a shoulder joint，an elbow joint，and a wrist joint，is capable of operating vertically and horizontally．The SCARA robot is a kind of 4 DOF industrial robots、3 rotary DOFs and 1 linear DOF．It，featuring compliance，good Vertical rigidity，and Horizontal flexibility，is widely used in assembly.

Modular-design methodology was utilized to design the mechanism．This paper combination with Pro/E 3D modeling , designed the main arm, small arm and wrist joints.And according to the actual working ,analysis each joint’s force, and simulate the working state of the robot,in order to ensure the design work in safety and reliability, and has good use value and the prospects for development.In the second and third chapter, it introduces detailed detail among the processing of the structure designing of a SCARA robot and its kinematics analysis. Analysis of the SCARA robot inverse kinematics, and to establish the position and orientation of robot end of the model error.

KEY WORDS：SCARA，four degrees of freedom，analysis

电力测量

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