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The reduction of pores in welds
Němečková, Monika ; Molliková, Eva (referee) ; Němec, Karel (advisor)
This bachelor thesis dealt with the reduction of pores in the welds. These welds were in pressure stacks which are made by the Bosch company. There are Common Rail diesel injection systems in which are those pressure stacks used in. An analysis was compiled, which consisted of dates of scrap rates in the yeas 2016, and the values in which the media changed in washing machines where the pressure stacks were cleaned of grease. From the following graphs is obvious when the scraps appeared mostly and according to these results there is a proposal to reduce the porosity in the welds.
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Qualification of welding procedure - WPQR
Houra, Milan ; Kubíček, Jaroslav (referee) ; Kovář, Petr (advisor)
The project developed within the bachelor's degree field of B-STG Engineering technology is focused on developing protocols for a preliminary welding procedure specification for a given drawing pWPS weldments. Subsequent to preliminary approval of these protocols are implemented protocol for qualification of welding procedures WPQR. This WPQR protocol is drawn up for a similar award has developed pWPS protocols. The most important parts of the protocol WPQR are destructive and nondestructive tests, which are discussed from both theoretical and practical in the field. At the end of the WPS is the resulting log with a direct link to WPQR protocol is implemented and appreciation of the control tests.
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The reduction of pores in welds
Němečková, Monika ; Molliková, Eva (referee) ; Němec, Karel (advisor)
This bachelor thesis dealt with the reduction of pores in the welds. These welds were in pressure stacks which are made by the Bosch company. There are Common Rail diesel injection systems in which are those pressure stacks used in. An analysis was compiled, which consisted of dates of scrap rates in the yeas 2016, and the values in which the media changed in washing machines where the pressure stacks were cleaned of grease. From the following graphs is obvious when the scraps appeared mostly and according to these results there is a proposal to reduce the porosity in the welds.
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Qualification of welding procedure - WPQR
Houra, Milan ; Kubíček, Jaroslav (referee) ; Kovář, Petr (advisor)
The project developed within the bachelor's degree field of B-STG Engineering technology is focused on developing protocols for a preliminary welding procedure specification for a given drawing pWPS weldments. Subsequent to preliminary approval of these protocols are implemented protocol for qualification of welding procedures WPQR. This WPQR protocol is drawn up for a similar award has developed pWPS protocols. The most important parts of the protocol WPQR are destructive and nondestructive tests, which are discussed from both theoretical and practical in the field. At the end of the WPS is the resulting log with a direct link to WPQR protocol is implemented and appreciation of the control tests.
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