Insights
Handling Insights
What manual lifting actually costs, how to tell which type of system fits your station, and what we need from you to put a number on it.
Ergonomics
The Real Cost of Manual Handling
When a part is lifted by hand, the cost rarely shows up as one line in a budget. It shows up in three places: time lost to injuries and restricted duty, cycle times that drift because operators pace themselves, and parts damaged when someone sets a load down to re-grip it.
The risk itself is not mysterious. It scales with four things: how much the part weighs, how far the operator has to reach, how often the lift repeats, and how awkward the posture is. Those are the same variables NIOSH built its lifting equation around, and they are the variables an assist device is designed to take out of the operator's hands.
Where to look on your own line
Before anyone quotes equipment, walk the station and look for the tells:
- Lifts that need two operators, because one cannot do it safely or accurately.
- Parts that get set down and picked up again, because the first grip was not the right one for placing it.
- Stations operators rotate out of early, or that are hard to staff at all.
- Scrap and rework that traces back to handling rather than to the process itself.
What changes with an assist device
A balanced system holds the weight so the operator only guides direction. One person runs the station instead of two. The part arrives at the same position every cycle, which takes a source of variation out of the process downstream. And the physical demand that pushed people off the station goes away.
We will not put a generic payback figure on that. The honest answer depends on your labor rates, your cycle, and what a damaged part costs you. Those are numbers you have, and we work the case from them rather than from an industry average.
Selection
Which Type of System Fits Your Station?
The four families EFS builds are not four price points of the same thing. They answer different questions about motion. Start with how the part has to move, not with a model number.
Pneumatic cable or chain balancer
The operator guides the load freely through a wide vertical range and the system carries the weight. This is the right answer when the cycle is fast, the load is on the lighter end, and the operator's own judgment is placing the part.
Vertical lifting axis
Travel is guided rather than free, so the part comes down in the same place every time. Choose this when position tolerance matters more than freedom of movement: loading a fixture, seating a module, feeding a machine that will not forgive a few millimeters.
Floor-guided cart system
Reach is horizontal and the work area is larger than any fixed column can cover. This is the answer for heavy parts that have to travel between stations while the operator keeps full control of them.
Articulating Arm
The joints let the load reach into places a straight boom cannot — inside a vehicle, around machinery, between two lines — and the operator guides it there with little effort. Choose this when the obstacle, not the distance, is the problem. The base can be a fixed column, or an overhead rail when the working range has to grow.
Two things that cut across all four
How the part is held. Vacuum, a mechanical gripper, a hook or sling, a magnet, or tooling built for that one part. The gripping method often constrains the system more than the weight does.
Where the station sits. A cleanroom, a high-temperature area, outdoors, or a hazardous location each rule some solutions out before capacity is even discussed.
In practice the family is a starting point, not the answer. Every system we build is engineered around one specific part and one specific station, which is why the useful first conversation is about your load rather than our catalog.
Getting Quoted
What We Need to Quote Your Application
A useful quote needs five things. If you have them ready, the first conversation is a design discussion instead of a questionnaire.
- The load
- What the part is, what it weighs, roughly how big it is, and anything that makes it difficult to hold: fragile, hot, oily, sharp, or easily marked.
- The movement
- Whether it needs to lift, lower, rotate, tilt, travel, or be positioned precisely, plus how far it has to move vertically and horizontally.
- How it is held
- Vacuum, mechanical gripper, hook or sling, magnet, or custom tooling. If you are not sure, describe the surfaces we are allowed to touch.
- The cycle
- How many parts per hour, and how the station runs today. Knowing what the operator currently does tells us what the system has to beat.
- The workplace
- The environment, how many stations you need, and your timeline.
The one thing that helps most
A photo of the station and a drawing of the part. Two pictures usually answer more questions than a page of description, and you can attach them directly to the inquiry form.
Everything above is built into our contact form as an optional questionnaire, so you can fill in what you know and leave the rest to the conversation.
Have a Part in Mind?
Send us the load and the station. Our engineers will tell you which approach fits and what it takes to build it.