Height-Adjustable Workbench - Which Drive Fits?
Crank, indexed pin or electric drive - the height-adjustment principle decides ergonomics, cycle time and load capacity. This guide compares the three systems and shows which one suits a single station, shift work or heavy assemblies.
View workbenchesCrank, Indexed Pin or Electric Drive - What Does Each Do?
Height-adjustable workbenches use three fundamentally different principles. The crank adjusts steplessly via a spindle, the indexed pin jumps in fixed steps (usually 25 to 50 mm), and the electric drive moves at the push of a button. Each system has its own strengths in cycle time, load capacity and comfort.
The crank is low-maintenance and inexpensive but demands physical effort and time. The indexed pin is quick to reposition, yet only in steps and usually while unloaded. The electric drive adjusts under load in seconds and stores positions - ideal when several people share the same station across shifts.
How Do Cycle Time and Load Capacity Steer the Choice?
The decisive factor is the ratio of adjustment frequency to weight. If the top has to be raised at every shift or workpiece change, a crank noticeably costs cycle time. If the assembled unit weighs several hundred kilos, manual adjustment under load is out of the question anyway.
- Rare changes, light load (under 150 kg): crank or indexed pin are enough.
- Frequent operator changes in shift work: electric drive with memory buttons saves seconds per change.
- Heavy assemblies up to 1000 kg: electric drive, because it adjusts under full load.
- Cycled assembly station with a fixed position: an indexed pin is fine if the step suits the operator.
- Sit-stand switching for ergonomics: electric, so the change actually gets used.
How to plan the complete assembly workstation ergonomically and to standard.
Read the guideWhat Is the Ergonomically Correct Height?
The correct working height depends on body size and task. Following DIN EN ISO 14738 and established workplace-design guidance, the working height is higher for precision work (elbow plus 5‑10 cm) and lower for heavy work (elbow minus 10‑15 cm). An adjustment range of roughly 650 to 1250 mm covers seated and standing work for almost everyone.
With several users per station, stepless adjustment is clearly superior because the height can be set exactly for each person. Index steps of 25 mm are a good compromise when only a few fixed heights are needed.
Frequently asked questions
Can an electric bench be adjusted under full load?
Yes, that is its main advantage. Depending on the model, electric drives move the assembled unit up to 1000 kg under load without unloading the top.
How large should the adjustment range be?
For combined seated and standing work, roughly 650 to 1250 mm makes sense. Pure standing stations manage with a smaller range around 850 to 1150 mm.
Is an electric drive worth it for a single station?
If the height rarely changes, a crank or indexed pin is enough. As soon as you switch often between sitting and standing, or several people share the station, an electric drive saves cycle time and actually gets used.
How many index steps make sense?
Common indexing is 25 to 50 mm. Finer steps increase ergonomic accuracy, coarser ones are quicker to reset. 25 mm is a solid default.
Looking for the right height-adjustable workbench?
We supply workbenches with crank, indexed pin or electric drive - from light assembly to 1000 kg load capacity, ergonomic to DIN EN ISO 14738.
High load capacity
Electric drives adjust up to 1000 kg under load.
Ergonomically planned
Adjustment ranges designed to DIN EN ISO 14738.
Fast cycle time
Memory presets for shift changes in seconds.
Expert advice
We help you choose the right drive.