![]() It’s a thing you don’t want to do, start calculating math while you’re supposed to be building.” You also have to build all the other stuff, too, with the clock ticking. Another assembler mentioned the occasional need to measure components, such as beams, to ensure tolerances: “Sometimes we have to measure beams, and that’s super complicated. ![]() Interviewees from Company C reported that they were motivated to catch up with the tempo after production problems occurred. The resulting delay could cause great frustration. Time pressure is also related to production linr disturbances, such as a machine failure. “Whether or not it’s the wrong way round, I have to hurry on to the next one.” The feeling of running out of time could cause one assembler to work more carelessly: “When you’re behind, mistakes come, because you more or less throw in the screws and washers,” reported one assembler. Novice assemblers, in particular, viewed this countdown as a source of stress and a distraction from focusing on the work at hand.Īt Companies A and B, the occurrence of product variants with unexpected assembly requirements was mentioned as having a large impact on the time needed to complete a task. Cycle times at paced workstations vary from 1.5 to 7 minutes. Indeed, in most companies, a visible clock is counting down the time to start assembling the next product. Assemblers are acutely aware of the time needed to complete a task. We identified a variety of cognitive demands on assemblers. For most, the work day consisted of several time-limited rotations at a particular workstation, where they would perform assembly work from 20 minutes to a couple of hours, before switching to another station. ![]() With few exceptions, all the assemblers worked on paced assembly lines with a specified takt time, which limited how long they could spend carrying out any assembly task. The questions were formulated to probe individuals’ work experience, understanding of their work tasks, what they perceived as enabling or hindering their work, and how the products or production tasks and work environment affected their ability to perceive signals, recall information from memory, solve problems and make decisions. The workers represented a variety of experience levels, genders and ages. The interviews were conducted individually at each company’s assembly plant. The study consisted of semi-structured interviews with 50 assemblers at three Swedish manufacturing companies: two automotive OEMs (Company A and Company B) and one automotive components supplier (Company C).
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