11 TRESTON - ERGONOMICS | ESD | LEAN Reaching distances and heights Ergonomic workzones ZONE 1: Primary work zone (repetitive access) ZONE 2: Secondary work zone (occasional access) ZONE 3: Tertiary work zone (seldom access) To improve working postures in assembly work, the mostoften used parts should be placed into the optimal horizontal working area within the operator’s sight. Avoid overly large or deep workbenches, which can cause improper reach and reduced productivity. Assembly work is most ergonomic when parts are within easy view and reach. The vertical work area and reach zone can be fine-tuned with accessories. Our height adjustable arms optimize work movements and keep parts or tools within easy access. Operators can work with wrists and arms in optimal posture with shoulders relaxed. Tilted bin rails and shelves keep the wrist in a neutral position when picking parts. The tilt angle also provides easy identification of the parts with the proper viewing angle.
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