Ergonomics and Manual Material Handling - MHI · Speakers and Presentation Materials. Visit our...
Transcript of Ergonomics and Manual Material Handling - MHI · Speakers and Presentation Materials. Visit our...
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Ergonomics and Manual
Material Handling
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James J. GalanteChairmanEASE Council
Material Handling Industry of America
Charlotte, North Carolina
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Established 1945
Non-profit Trade Assoc.
$125 Billion Market
19 Industry Groups
Over 750 Members
22 ANSI Standards
Two Major Trade Shows
17 Member Companies
5 Industries Covered
Ergonomic Resources and Tools
News
Case Studies
Technical Support
White Papers
Speakers and Presentation Materials
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Visit our display
Booth 409Ray Niemeyer – Managing Executive
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Material Handling
Equipment Distributors
Association
www.MHEDA.org
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To broadly promote the benefits of
ergonomic assist systems and equipment
together with the advantages derived from
the use of this equipment in the workplace
and to promote the safety and health of the
work environments.
MISSION
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Why Address Why Address
Manual Material Handling?Manual Material Handling?
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The effects of manual material
handling represent the biggest
single contributor to worker
injury in the United States and
the application of good
ergonomic programs can reduce
those incidences.
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LIFTING
STRETCHING
REACHING
BENDING
STOOPING
and
WALKING
These unnecessary worker activities
can result ergonomic problems
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Lift & Turn to position large valves during assembly
Turntable
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The assembly, wiring start-up and testing of these large
devices requires access to all sides, top and bottom
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Vacuum lifters are
efficient and very
useful in areas
where sorting
containers is creating
multiple pick and
place tasks
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Bench top
devices like
this
adjustable
height stand
or this
turntable allow
complete
access to the
work while
seated or
standing
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High density vertical
storage systems put
each item at the
correct height
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Manipulators making easy work of handling cylinder heads in a machining center
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IADIAD -- IIntelligentntelligent AAssistssist DDevicesevices
Amplifies operator’s powerUnit has an intuitive, human-
like feel
IntuitiveThe operator has a sense of
control & feel over the load using
normal arm, wrist and hand movements.
Intelligent
Resolver feedback from the
servomotor allows for future
implementation of programmable
human limits.
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IAD’s for
vertical
movement
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IAD’s for
Horizontal
movement
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These manual devices reduce carrying loads
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They come in all
shapes and sizes
and to gain the
maximum benefit
should applied to
the application
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Some care should be used
not to overload carts
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This lift and
gravity
conveyor
permits one
person to do
what was a
two man job
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PalletsPallets
MANUAL LOADING AND UNLOADING
OF PALLETS CONTINUES TO BE
ONE OF THE MOST COMMON AND
MOST INJURY PRONE TASKS
IN INDUSTRY TODAY
Approximately 450 million new pallets produced each year in the USA. 1.4 billion (est’m) pallets
are in use at any given time.
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Here is a very typical problem
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These are automatic load leveling devices that maintain
the top of the load in the 30 to 40” ergonomic window
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Lifts and positioners can also be fitted with
turntables for “near side”loading
As much as 40% of the time required
loading a pallet, can be spent walking
around it!
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Lifts fitted with turntables eliminate wasted motion….
….and put the load at the right elevation to reduce the possibility
of back inquiry
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Balancers can also be
used to unload pallets
and make positioning
goods at various
locations within a
machine or work
center
Notice the bi-directional work station crane
these trays of parts become virtually “weightless”
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These lightweight
lifts are highly
maneuverable
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Inexpensive stackers to transport pallet loads in and around work stations - even load/unload directly from them
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This vacuum
lifter makes
easy lifting and
maneuvering of
these heavy
cheese wheels
This is a really
cheesy job!
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ContainersContainersManual loading
and unloading of wire baskets, containers and Gaylord's leads to
a high incidence of lower back injuries
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Issues: Back bending, Issues: Back bending,
back extension, over back extension, over
reaching, fatigue and reaching, fatigue and
product lossproduct loss
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Problem
Solution
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Parts picking made productive from fixed height tiltersParts picking made productive from fixed height tilters
Notice the high hinge causing the
container to elevate as it tilts
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This spring
loaded
positioner
elevates the
goods in the
container to
eliminate the
bending
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This lift and tilt provides access to all of the parts in this container
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Parts picking on assembly line
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PartsParts
pickingpicking
at a at a
hydraulic press hydraulic press
work stationwork station
Imagine the back extension, bending and
reaching required to get to these parts
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Other Material Handling
Equipment Solutions
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Electric
chain hoist
on
articulated
jib crane
Notice the use of gravity roller conveyor to ease the feeding of parts
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This expandable conveyor is driven right into the truck
The individual boxes and cartons are conveyed right
to the worker
Notice how the odd sizes and shapes are handled easily by a
single piece of equipment
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Portable lift for transporting to and then vertical Portable lift for transporting to and then vertical
positioning panels in a finishing operationpositioning panels in a finishing operation
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Lift & Tilt to position electrical panels in this work cell
Notice the accordion skirting to cover
scissors legs
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Here are good examples of how industrial tilters foster good ergonomics and eliminate
wasted motion
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These devices
make quick work
exchanging pallets
Damaged product on
the bottom of a pallet
can be easily
removed
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James J. Galante
EASE Council
Material Handling Industry of America
Questions?