Maintenance Technology September 2016 - 25
SAFETY STRATEGIES
relationship between different levels of
force and pain thresholds on various
parts of the human body. Studies are
being conducted to explore and implement the power- and force-limiting
method. For example, standard ISO/
TS 15066 outlines findings from
one study on pain tolerance, which
includes a list of maximum force
and pressure levels for each part of
the human body to help determine
power and force limits. The standard
provides some guidance on how to
conduct a risk assessment for each
part of the human body that could
come into contact with a robot.
While most of these methods are
intended to prevent humans from
coming into physical contact with
robots and machinery, Schuster
reminds end users that it's still crucial
to follow the functional safety lifecycle
when designing collaborative robotic
applications. "The lifecycle, as defined
by ISO 12100 and ANSI B11:0," he said,
"includes conducting a risk assessment
SEPTEMBER 2016
as the first step, followed by defining
functional specifications, using proper
guarding, and completing verification
and validation testing. Following the
safety lifecycle is increasingly important
as humans and machines work more
closely together."
Assessing risk
A proper risk assessment evaluates the
way humans, machinery, and robots
interact with each other during all modes
of operation. "This type of assessment,"
Schuster explained, "helps identify all
of the ways a human could potentially
come into contact with a robot, evaluate
the associated level of risk, and mitigate
that risk using appropriate measures."
ISO/TS 15066 provides guidance for
the design of collaborative workspaces
and how to conduct a risk assessment
for collaborative-robot applications.
It supplements ISO 10218-1 and ISO
10218-2. In addition, RIA TR R15.306
provides a recommended methodology
for conducting task-based risk assess-
ments to meet the standard.
Collaborative robotics usefulness
spans different sectors and applications,
from taking over repetitive and heavy-lift
tasks, to handling complex assemblies.
However, getting there will involve
adopting new standards, tools, and
risk-analysis methods.
"Organizations that embrace these
changes," Schuster concluded, "will be
better positioned to realize the many
efficiency and productivity gains afforded
by collaborative robots while optimizing
worker safety and compliance." MT
George Schuster is the TÜV functional
safety expert (FSExp), business development manager at Rockwell Automation,
Milwaukee. Experts from the company
will speak about collaborative robotics and
related technology at the Safety Leadership Conference, Sept. 19 to 21, 2016,
in Pittsburgh. Learn more about these
sessions and the Smart Manufacturing
track, sponsored by Rockwell Automation
at safetyleadershipconference.com.
MAINTENANCETECHNOLOGY.COM | 25
http://www.safetyleadershipconference.com
http://www.pdma.com/
http://www.MAINTENANCETECHNOLOGY.COM
Table of Contents for the Digital Edition of Maintenance Technology September 2016
Editorial
Uptime
On The Floor
Old-School Approach To New-World Technology
Art Meets Reliability Science
Commit To Safety
Robot-Human Interaction Getting Safer
Sanitary, Stainless Conveyors Not The Same
Reduce Hidden Process-Safety Costs
Pace Your Reliability Program
Win The War With 'Lubrication By Design'
SAP Tips And Tricks
Understand Pump Vibration
Select The Right Relay
Bearing Care
Clear Up HOA Confusion
Potato Waste Becomes Clean Water, Energy
Products
Showcase
Ad Index
Final Thought
Maintenance Technology September 2016 - 1
Maintenance Technology September 2016 - Cover1
Maintenance Technology September 2016 - Cover2
Maintenance Technology September 2016 - 1
Maintenance Technology September 2016 - 2
Maintenance Technology September 2016 - 3
Maintenance Technology September 2016 - Editorial
Maintenance Technology September 2016 - 5
Maintenance Technology September 2016 - Uptime
Maintenance Technology September 2016 - 7
Maintenance Technology September 2016 - On The Floor
Maintenance Technology September 2016 - 9
Maintenance Technology September 2016 - Old-School Approach To New-World Technology
Maintenance Technology September 2016 - 11
Maintenance Technology September 2016 - 12
Maintenance Technology September 2016 - 13
Maintenance Technology September 2016 - 14
Maintenance Technology September 2016 - 15
Maintenance Technology September 2016 - Art Meets Reliability Science
Maintenance Technology September 2016 - 17
Maintenance Technology September 2016 - 18
Maintenance Technology September 2016 - 19
Maintenance Technology September 2016 - Commit To Safety
Maintenance Technology September 2016 - 21
Maintenance Technology September 2016 - 22
Maintenance Technology September 2016 - 23
Maintenance Technology September 2016 - Robot-Human Interaction Getting Safer
Maintenance Technology September 2016 - 25
Maintenance Technology September 2016 - Sanitary, Stainless Conveyors Not The Same
Maintenance Technology September 2016 - 27
Maintenance Technology September 2016 - 28
Maintenance Technology September 2016 - Reduce Hidden Process-Safety Costs
Maintenance Technology September 2016 - 30
Maintenance Technology September 2016 - Pace Your Reliability Program
Maintenance Technology September 2016 - 32
Maintenance Technology September 2016 - 33
Maintenance Technology September 2016 - 34
Maintenance Technology September 2016 - 35
Maintenance Technology September 2016 - Win The War With 'Lubrication By Design'
Maintenance Technology September 2016 - 37
Maintenance Technology September 2016 - 38
Maintenance Technology September 2016 - SAP Tips And Tricks
Maintenance Technology September 2016 - Understand Pump Vibration
Maintenance Technology September 2016 - Select The Right Relay
Maintenance Technology September 2016 - Bearing Care
Maintenance Technology September 2016 - 43
Maintenance Technology September 2016 - Clear Up HOA Confusion
Maintenance Technology September 2016 - Potato Waste Becomes Clean Water, Energy
Maintenance Technology September 2016 - 46
Maintenance Technology September 2016 - 47
Maintenance Technology September 2016 - 48
Maintenance Technology September 2016 - 49
Maintenance Technology September 2016 - 50
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Maintenance Technology September 2016 - 52
Maintenance Technology September 2016 - Showcase
Maintenance Technology September 2016 - Ad Index
Maintenance Technology September 2016 - 55
Maintenance Technology September 2016 - Final Thought
Maintenance Technology September 2016 - Cover3
Maintenance Technology September 2016 - Cover4
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