Product Assemblers
Put together components and subassemblies that go into the mass production of jewellery and precious metal articles, joinery products, metal products, electrical and electronic equipment, automotive components, and other goods in factories and production lines.
A target day on the assembly line
You are an assembler on a production line, fitting components together by hand and with power tools. It is 8am. The line has a high target for the day, one supplier delivery is late and a new design change just arrived on paper from the engineers.
Choose what you would do. Then see what happens. There are often good reasons for each choice.
We have got a new revision of the drawing for the wiring cover. The engineers say it is a small change but it affects how the cable sits. Some of you will have old copies at the bench. How are you going to handle it?
Check the revision number against the new sheet and swap your copy at the bench
You notice the numbers do not match, bin the old sheet and use the new one. Ravi checks two other benches and finds one still on the old drawing. A quick check at the start of the shift prevents a whole batch going wrong.
Keep working to the drawing you already have, as it has always worked
A batch is built to the old drawing and the cable sits wrongly under the new cover. The units have to be reopened. A drawing change often fixes a fault you cannot see from the bench.
Ask the person next to you which one they are using and copy them
Your neighbour is on the new drawing, so you are fine, but you could have been copying a mistake. The drawing is the authority, not your workmate.
I have just found a small scratch on the casing of one of your units. It is cosmetic but it is on the front. We are behind and the customer is not likely to check. Do you want to pass it?
Pass it, since it is cosmetic and the line is behind
The unit goes into a box and the customer notices on delivery. The whole batch is checked on return, and the plant pays for the trouble. Cosmetic faults still count when a customer is paying.
Reject it and look for what scratched it
You find a burr on the guide that is catching each casing. Maintenance smooths it down within the hour and the scratches stop. A single reject was a clue to the cause.
Rub the scratch out with a cloth and pass it on
The mark is hidden but returns under the light, and the inspector spots it later. Fixing a defect and hiding one are very different.
You have been tightening the same set of screws all morning and your wrist has started to ache. The target is close but the pain is getting worse. It is a small thing, but it is not going away.
Stop for a moment, tell Ravi and ask to rotate to another task for a while
Ravi moves you for an hour, which helps, but the target now falls on others. It was the right move, and asking him earlier in the shift would have avoided the bad stretch.
Keep going, since the pain is small and the target is almost met
By the afternoon your wrist is swollen and you cannot hold the tool. A small ache turned into time off. Repeating a movement is where assembly injuries come from.
Tell Ravi it is aching, rotate tasks and suggest a jig to hold the part
Ravi agrees to try the jig. It takes the strain off the wrist and speeds up the job for the whole line. Your body and your ideas are both part of the work.
Anyone who has a way to make a job easier or safer on this line, I want to hear it. If you have got an idea, I will give you an hour tomorrow to show me. Do you have one?
Sketch it, explain how it saves time and what it might not fix
Ravi studies your drawing, asks two questions and approves a test. The idea is rough but it works, and a week later it is on three benches. Being clear about the limits builds trust.
Say you will think about it and see how you feel tomorrow
The idea sits on the back burner and another worker suggests something similar two weeks later. Chances do not wait. Showing your idea early is part of the work.
Say it will fix everything, so he will agree to try it
Ravi tries it and it fixes one problem and causes another. He remembers the promise. A good idea needs honest limits.
How it went
The line finishes just under target, with every unit checked and the jig on trial. Assembly work depends on patient accuracy and on noticing what is off, and sometimes the best contribution is a better way to do the job. Do you enjoy working with your hands and thinking about how to improve what you do?
This is a simplified, fictional situation to help you explore. It is not professional instruction or a test of your ability.
Case study: The screws that looked almost right
A fictional case set in a small factory assembling garden irrigation controllers on a production line.
The situation
Ngoc was an assembler at a small factory making irrigation controllers. A new box of screws arrived on a Monday, and the screws looked just like the old ones. As she started a batch she noticed they were slightly shorter and one went in without the usual firm feel. The target for the day was high, the supervisor was in a meeting, and half the line had already used the new screws.
What they did
Ngoc stopped, took one controller apart and compared the screws against the drawing. She told the supervisor, Ravi, as soon as he came out, and showed him the two types side by side. Ravi stopped the line, had the stock checked and asked the team to put aside every unit built since the new box was opened.
How it turned out
About forty units had to be reopened, and the supplier was contacted about the wrong screws. The line lost most of the morning, but nothing went out with a part that could work loose. Ravi added a check of new parts against the drawing at the start of every delivery.
What would you do?
- Would you have noticed a difference that small?
- How would you have told your supervisor in a way that got his attention?
- What does it say about assembly work that the smallest part can matter?