Theoretical Aspect of Assembly

Václav, Štefan; Jurko, Jozef; Božek, Pavol; Lecký, Šimon

doi:10.1515/rput-2016-0045

Cited by 2 publications

(2 citation statements)

References 8 publications

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“…The main source of vibrations transmitted into the hands-arms in the vehicle is the steering wheel. The driver subjectively perceives this vibration in a very negative way, however it is not considered as very dangerous for the driver from the physiological point of view as well as with regard to hygienic standards [23][24]. The health of the operator is in such case much more endangered by the reduced active safety usually interconnected with the steering wheel vibrations.…”

Section: Hand -Arm Vibrationsmentioning

confidence: 99%

Investigating the influence of design factors on noise and vibrations in the case of chainsaws for forestry work

Kováč¹,

Krilek²,

Dado³

et al. 2018

FME Transactions

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In the recent time forest harvesting is mainly related to the use of chainsaws. They are acceptably light, safe, cheap and multifunctional. At the same time, chainsaws can cause personal illnesses considering their vibrations and noise. This article deals with conditions and assessment evaluation of effects on workers caused by vibrations and noise in the case of professional chainsaws in operation. Mechanical vibrations and noise are mainly related to the back-and-forth movement of the piston, and to a lesser extent, to the cutting chain. The experiment revealed, in general, that design parameters have a minimal influence on chainsaw vibration and noise emissions. Specifically, the statistical analysis for frequency weighted vibration showed no difference between types of guide bars, types of saw chains and wood plant in terms of noise and vibration on handles.

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Section: Hand -Arm Vibrationsmentioning

confidence: 99%

Investigating the influence of design factors on noise and vibrations in the case of chainsaws for forestry work

Kováč¹,

Krilek²,

Dado³

et al. 2018

FME Transactions

View full text Add to dashboard Cite

show abstract

“…Figure 3 Automated assembly nest[8] 1palette, 2 -oriented components, 3robot for components, 4effectors, 5assembled objects, 6robot for products,7 -bonding units, stationary tools…”

mentioning

confidence: 99%

Use of Nesting Workstations in Assembly

Václav

Zaborowski²,

Sobrino

et al. 2020

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

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Over the years there has been a fixed idea that components just enter the assembly floor and that assembled products leave it subsequently after certain operations have been executed on such products. Besides, there is a common notion that only small and simple products can be assembled on the so called “assembly nests”; however, the dimensions of objects assembled inside these keep increasing. Nowadays, even an aircraft, a boat, etc. can also be assembled on a moving trolley. This is possible given to the fact that the trolley with the product and with the operators themselves may come to the same storage of parts, while the system does not need to be balanced in time. On the other hand, in assembly nested layouts, the productivity of one operator is usually higher than the productivity on the line station and this because such lines are not often time balanced. Besides, this is also enhanced by the fact that more than one operator can work on a single nest. In this regard, the present paper seeks to identify the ways of combining or assembling components into products, and to analyse quality of the abovementioned assembly approaches.

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Theoretical Aspect of Assembly

Cited by 2 publications

References 8 publications

Investigating the influence of design factors on noise and vibrations in the case of chainsaws for forestry work

Investigating the influence of design factors on noise and vibrations in the case of chainsaws for forestry work

Use of Nesting Workstations in Assembly

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