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Open Access Articles

September 12, 2013

Highly adjustable pedestal workstation

Video clip 1: Pedestal workstation Video clip 2: Pedestal workstation These video clips show the use of a highly adjustable pedestal workstation that replaced a traditional […]
September 12, 2013

Electronics Workstations

This workstation designed for circuit board assembly incorporates a number of good features: A — Tiltable fixture B — Task lighting C — Storage racks (in […]
September 11, 2013

Die Cart Workstation

Die cart converted to sturdy workstation Die carts, which have been used for decades in stamping operations, happen to be very good for use as sturdy […]
September 11, 2013

Low-Cost Hopper Dumper

More Details   Hopper wheels in frame   Wheels on the hopper fit in the frame, ingeniously taking advantage of the I-beam structure to stabilize the […]
September 10, 2013

Friction grips: more examples

Meat and poultry industry knives Case study in importance of good friction grips Constant use of knives Many workers in the meat and poultry industries constantly […]
September 9, 2013

Cradles

Notched wood blocks on car jack Principles affected Force Fatigue Related pages   Background A cradle is any type of temporary holder for a heavy load, […]
September 9, 2013

Borrowing from Automation

[initial draft] A good way to get ideas for feasible improvements is to look at automatic equipment. Often, in order to automate, engineers have devised mechanisms […]
September 8, 2013

The Potter’s Wheel

4000 year-old technology solves injury problem, increases output 20%, and eliminates rejects Before — Traditional workbench, no fixture The work had previously been done on a […]
September 6, 2013

Long Handles and Extenders

Short handle:  long reach Long handle: no reach Principles affected Posture Height Related pages Tools Second handles Background The value of a long-handled tool has been […]
September 6, 2013

Second Handles

A second handle can help Principles affected Force Reach Fatigue Related pages Tool grips Background Second handles on hand tools help to: Increase control and maneuverability […]
September 6, 2013

Mounted Hand Tools

Bench mounted tools Principles affected Force Motions Fatigue Related pages Tools Counterbalances Hand straps Background This strategy has to do with mounting tools that are typically […]
September 6, 2013

Counterbalances and supports

Multi-purpose arm: Suspension, torque control, and point-of-use storage Principles affected Posture Force Fatigue Environment (shock, vibration) Related pages Workstations Fixtures, benchtop Fixtures, floor-based Tools Torque control […]
September 6, 2013

Control of Torque Reaction

  Visible jerk when fastener bottoms out Principles affected Environment (shock) Related pages Tools Counterbalances Background Assemblers who use power fastening tools (such as powered screwdrivers […]
September 6, 2013

Hose and Connectors

Heavy and stiff Principles affected Force Related pages   Background Air power tools require a hose that in some circumstances can make the job unnecessarily more […]
September 6, 2013

Triggers

Principles affected Posture Force Motions Fatigue Pressure points Related pages Straps Background The triggers on some power tools, especially older models, have been found to require […]
September 6, 2013

Tool maintenance, training, and process control

Principles affected Force Motions Environment (vibration) Related pages   Background An often-neglected aspect of hand tools is having proper systems in place to insure optimal use.  […]
September 6, 2013

Weight and Balance

Heavy and off balance Principles affected Posture Force Reach Fatigue Related pages Supports and counterbalances   Background Many hand tools are heavy to hold for long […]