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Industrial robots offer a cheaper yet more flexible alternative to the CNC machines in the cleaning and pre-machining applications of automotive aluminum castings. But the low stiffness has limited the application of industrial robots to the machining tasks with very low precision requirement. This paper presents a practical method to compensate the robot deformation caused by the machining force...
The paper aims to develop an automated wheel loading system in the trim-and-final assembly in automotive manufacturing. Currently most of the trim-and-final assemblies are still done manually since the production lines are typically moving randomly. Industrial robots are hardly used to perform any assembly tasks on the randomly changing environments because it is difficult for conventional industrial...
A challenge for automating mechanical assembly is that cumulative uncertainties typically exceed part clearances, which makes conventional position-based tactics unsuccessful. Force-based assembly strategies offer a potential solution, although such methods are still poorly understood and can be difficult to program. In this paper, we describe a force-based robotic assembly approach that uses fixed...
Industrial robots used to perform assembly tasks are still a small portion of total robot sales each year. One of the main reasons is that it is difficult for conventional industrial robots to adjust to any sort of change. Therefore, more intelligent industrial robotic systems are attracting more and more attentions. This paper discusses an intelligent robotics system that performs an assembly process...
The long term success of the robotics industry depends on the growth in non-automotive markets. This paper presents the recent efforts in developing force control enabled technologies for a new set of applications that include assembly, polishing, deburring and milling. For each process, a force control based solution was provided to address the specific problem inherent in that process, and verified...
Industrial robots are widely used to paint final products in many industries, such as automotive and furniture etc. Robot path planning based on the CAD models of parts for spray painting is critical for product quality, process cycle time and material waste etc. Currently automated robot path planning has always caused a bottleneck for the spray painting processes because typical manual teaching...
Current manufacturing trends require industrial robot to be more and more accurate in order to accomplish more and more complicated manufacturing processes. Robot calibration enables standard robots to achieve higher accuracies. Many complex and/or expensive calibration methodologies have been developed and implemented successfully. However, they are difficult to be used in the manufacturing floor...
This paper presents the recent progress of using robotics in automotive powertain assembly manufacturing processes. After briefly describing force control and vision-guided robot (VGR), we introduce successful implementation of robotic assembly for transmission torque converters, VGR-based engine head assembly, transmission valve body assembly and engine piston installation. Then we discuss other...
This paper presents engine piston installation using industrial robots. Because the current manual and hard automation engine piston installation systems are either labour intensive or inflexible and costly, the three-robot and two-robot piston installation systems are developed and investigated. The robotic piston installation process is simulated. A robotic piston stuffing gripper with ring detection...
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