September 8, 2013
(Click here for a downloadable pdf copy of this study.) Introduction This case example is important for several reasons: It is comprehensive — plant-wide over a 10-year […]
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September 8, 2013
Click here for a downloadable pdf copy of this page. Study 1 Output doubled plant-wide The bottom line in this example is that output doubled in this […]
September 8, 2013
Heat, dust, noise, and vibration Glare and shadows This topic is somewhat of a catch-all category in industrial ergonomics. Some topics are normally addressed through the […]
September 8, 2013
Extremely constrained position (precision laser welder) The human body needs to move and be exercised and stretched. You should not conclude from phrases like “reduce force” […]
September 8, 2013
No room for knees No room for hand It is important that you have both adequate workspace and easy access to everything you need, […]
September 8, 2013
Hard edge Cushioned Direct pressure or “contact stress” refers to on-going contact between a part of the body and a hard edge or surface. This issue […]
September 8, 2013
Heavy, exhausting work: Metabolic Load Writer’s Cramp: Static Load Preventing fatigue has long been a major focus of ergonomics and methods engineering. Production issues There is […]
September 8, 2013
Finding effective ways to reduce motions has been a hallmark of classic methods engineering a century ago and industrial ergonomics in more recent decades. Production issues […]
September 8, 2013
An essential aspect of task design is keeping products, parts, and tools that are frequently needed within easy reach. Focusing on reach provides value in several […]
September 6, 2013
Fingertip grip — hard to hold Steel rod handhold — better but heavy pressure point Principles affected Force Pressure points Related pages Material handling Slides Carts […]
September 6, 2013
Long reach Climbing inside container Principles affected Posture Fore Reach Height Motions Related pages Material handling Totes Lifts Tilters Slides Carts Workstations Parts handling. Background Large […]
September 6, 2013
Excessive force to pull cart Principles affected Force Related pages Material handling Carts Wheels Lift trucks Background Some carts are sufficiently heavy and/or handled so frequently […]
September 6, 2013
Air casters on a production line for heavy electrical cabinets Principles affected Force Related pages Material handling Carts Wheels Background Traditional wheel casters must be turned […]
September 6, 2013
Temporary wheel: Ladder dolly Wheels too small, especially for rough floor Principles affected Force Related pages Material handling Carts and dollies Air casters Background The wheel […]
September 6, 2013
Lightweight Full pallet sized Principles affected Posture Force Reach Height Related pages Material handling Carts Lifts Lift trucks Workstations Parts handling Background A new type of […]
September 6, 2013
Carts can eliminate heavy carries Good carts, as appropriate for their need (see below) Principles affected Force Height Related pages Material handling Alternatives to carts Conveyors […]
September 6, 2013
Blocked access Heavy gate Principles affected Force Motions Related pages Material handling Conveyors Slides Background Conveyors and slides are effective, but tend to block access to […]
September 6, 2013
Manually lifting a heavy load Inexpensive steel plate used to slide the load between machines Principles affected Force Motions Related pages Material handling Conveyors Conveyor gates […]