If you run a manufacturing operation and you’re struggling to keep up with demand (even though you know that your capacity should be enough), then something in the process is probably slowing everything down. It’s easy to blame the people doing the work, but when it comes to production, it’s all about how jobs move from one stage to the next, and your workers can be limited by their setup.
If you want your output to improve without adding more machines or more labour, then you need to work out where the slowdown is coming from and then go about dealing with it in the right way.
Time
If you’re finding that there’s too much waiting time between stages or machines are sitting there idle because the next step isn’t ready, or batches are all piling up in one area while another has nothing to do, then your output is always going to drop. Even if everyone’s working flat out, the only way to get things moving again is to deal with the actual friction inside the process instead of pushing harder. The first thing you can do is start by checking how long each step actually takes from real timings and not just assumptions.
Get the real data, and then you know for sure, and it’s not a guess.
Setup
If your operators are bypassing the system and using things like manual workarounds, then it’s fair to say the workflow has already stopped functioning properly. If the setup you have forces people to work around it rather than through it, then the rest of the line will probably slow down with it.
It doesn’t always mean you need to go out and invest in completely new software, although that could be a possibility. It might be a case of how your current system is being used rather than the system itself.
Check whether the software is actually set up to match the way the work is done on the floor. If it isn’t, then you reconfigure it so every update happens once in the right place and at the right time instead of being duplicated.
Bottleneck
A bottleneck usually comes from one part of the process taking longer than everything else around it. That might be a machine that runs slower than the steps before or after it, or changeovers that always take longer than they should. In some cases, it will be something like a workstation that needs constant adjustment just to keep it running. It can also come from a stage that needs someone with a specific skill, with only one person who can do it, or a sign-off and inspection holding things up when it should move straight through.
It could be as simple as waiting for materials or information that should already be there (but isn’t). If one point in the line is slower than everything else, then everything gets stuck behind it, and you won’t get output up again until you fix that first. There’s no point in tuning other parts while the main restriction is still there.
Improvements
In any business, it’s important to keep up with your competitors, and in manufacturing, it’s no different. It can be worth looking at what other manufacturers are doing instead of trying to rebuild everything from scratch.
Some are switching their tooling and production components to advanced composites to reduce weight and cut wear, as this then lowers downtime and keeps output steady across longer runs. Automation-focused environments usually focus on removing small repeated delays, that’s where the gains can add up across thousands of cycles.
Capacity
If you’re constantly chasing getting more and more capacity by stretching your employees hours or moving people around all the time just to keep up, then it’s a sign that something underneath isn’t balanced properly. The line might run when you throw extra labour at it or push overtime every week, but when you do this, you’re just masking the problem instead of fixing it.
Your aim should be to get the same output with the resources you’ve got already. And that means taking out whatever is slowing the line down, instead of just loading more work into it. If the process runs properly, then the capacity increases without needing to force it.
Photo by Kateryna Babaieva: https://www.pexels.com/photo/man-wearing-orange-hard-hat-2760241/