4.1 Understand of robot end
effectors
4.1.1 Describe
the robot end effectors
•
The end effector is the robot’s hand
(gripper), or the end-of-arm tooling on the robot.
•
In robotics, an end effector is the
device at the end of a robotic arm, designed to interact with the
environment. The exact nature of this device depends on the application of
the robot.
•
In the strict definition, which originates from
serial robotic manipulators, the end effector means the last link (or end) of
the robot. At this endpoint the tools are attached.
•
In a wider sense, an end effector can be seen as
the part of a robot that interacts with the work environment.
•
End effectors may consist of a gripper or
a tool.
•
The end effectors that can be used as tools
serves various purposes. Such as, Spot welding in an assembly, spray painting
where uniformity of painting is necessary and for other purposes where the
working conditions are dangerous for human beings. Surgical robots have end
effectors that are specifically manufactured for performing surgeries.
(source: http://dbpedia.org/page/Robot_end_effector)
a. Mechanical Grippers
Figure: Mechanical Gripper
•
Purpose: to grip, hold and move the
object to another location.
•
Principle: use at least two fingers with
a few extensions.
•
It works much like the human finger.
•
Have a lot of joints to ensure a comprehensive
touch for the workpiece to be lifted.
Figures: Examples of Mechanical Gripper
Figure: A Big Mechanical Gripper in in Factory
VIDEO: A Mechanical Gripper in Action!!!
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ReplyDeleteBerapakah limit untuk Penggengam mekanikal mengangkat sesuatu objek ?
ReplyDeleteBerapa berat yang boleh penggenggam mekanikal genggam ?
ReplyDelete15dtp11f2002
berapa berat yang boleh penggengam mekanikal genggam?
DeleteJawapan : Penggengam mekanikal (mechanical gripper) bergantung pada jenis kerja yang di lakukan.
Jenis kerja yang di lakukan hendaklah bersesuaian dgn end efffector yg di pilih.
Seperti contoh flexible pneumatic device tidak sesuai di gunakan untuk mengangkat objek yang berat kerana mereka hanya menggengam objek yang tidak mempunyai permukaan yang rata.
Selain daripada faktor jenis kerja.Jenis material yg di genggam jugak di ambil kira.
Definition of end effector.
ReplyDelete- An end effector is a device that attaches to the wrist of the robot arm and enables the general-purpose robot to perform a specific task.
- Sometimes referred to as the robot's "hand."
- Usually, end effectors must be custom engineered for the particular task which is to be performed.
- Most robot manufacturers have special engineering groups whose function is to designend effectors and to provide consultation services to their customers.
Two types of end effector
-Gripper (used to grasp and hold object)
-Tool ( tool-type end effector is attached to the robot’s wrist )
Aishah Binti Md.Hidiah
15DTP11F2006
sources : http://www.scribd.com/doc/97549101/Robotic-End-Effector-Using-4-Report
mechanical gripper roll :
ReplyDeletesource http://www.youtube.com/watch?v=UDf2llb_iNA
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