The application of post conference on shift operates in ward 16 and ward 21 Hospitals Mubarak Al-Kabir Kuwait

Post-conference is a discussion of the clinical aspects after implementing nursing care for patients. The results of observations and pretest with the nurses in the Ward 16 and Ward 21 Hospitals Mubarakiyah Al-Kabir Kuwait, the implementation of post-conferences was not optimal, because it was not in accordance with the rules of post-conference activities. This influences the nursing care provided by nurses. The purpose of this study was to optimize the implementation of the post-conference in room Ward 16 and ward 21 Hospitals Mubarakiyah Al-Kabir Kuwait in 2022. The study was conducted on 26 August 2022. The number of research samples was 7 team leaders in two rooms, 3 team leaders from Ward 16 and 4 team leaders from Ward 2, data collection was obtained through observations and questionnaires. After the implementation of nursing, the dissemination of knowledge and the application of role play about post conferences for 5 days showed the results of observation after science dissemination and role play showed an increase in nurses in implementing post conferences in ward 16 and ward 21 hospitals Mubarakiyah Al-Kabir Kuwait. The application of post-conference is very effective to improve the quality of shift operations in the room for this reason, it is expected that the hospital can follow the standard operating procedures in shift operations

Hardness, grainsize and porosity formation prediction on the Laser Metal Deposition of AISI 304 stainless steel

The presented numerical model solves the heat and mass transfer equations in the Laser Metal Deposition process and based on the evolution of the thermal field predicts the grainsize, the resulting hardness and evaluates the pores formation probability in an AISI 304 stainless steel. For this purpose, in a first step, the model calculates the shape of the deposited material and the variations of the temperature field. In a second step, and based on the evolution of the thermal field, the model calculates the resulting hardness of the deposited material, the grainsize and the porosity formation probability after the deposition process. Numerical results are experimentally validated, and good agreement is obtained. Consequently, besides predicting the geometry of the resulting part and the evolution of the thermal field, the developed model enables to evaluate the quality of the deposited material. Therefore, the optimum process conditions and strategy when depositing AISI 304 stainless steel can be determined without initial trial-and-error tests.“LaCaixa” foundation . In addition, this work has been founded by the H2020- FoF13-2016 PARADDISE project (contract No.: 723440). This work has been also carried out in the framework of the DPI2016-79889-R – INTEGRADDI project, funded by the Spanish Ministry of Industry and Competitiveness

Influence of Elastomer Layers in the Quality of Aluminum Parts on Finishing Operations

In finishing processes, the quality of aluminum parts is mostly influenced by static and dynamic phenomena. Different solutions have been studied toward a stable milling process attainment. However, the improvements obtained with the tuning of process parameters are limited by the system stiffness and external dampers devices interfere with the machining process. To deal with this challenge, this work analyzes the suitability of elastomer layers as passive damping elements directly located under the part to be machined. Thus, exploiting the sealing properties of nitrile butadiene rubber (NBR), a suitable flexible vacuum fixture is developed, enabling a proper implementation in the manufacturing process. Two different compounds are characterized under axial compression and under finishing operations. The compression tests present the effect of the feed rate and the strain accumulative effect in the fixture compressive behavior. Despite the higher strain variability of the softer rubber, different milling process parameters, such as the tool feed rate, can lead to a similar compressive behavior of the fixture regardless the elastomer hardness. On the other hand, the characterization of these flexible fixtures is completed over AA2024 floor milling of rigid parts and compared with the use of a rigid part clamping. These results show that, as the cutting speed and the feed rate increases, due to the strain evolution of the rubber, the part quality obtained tend to equalize between the flexible and the rigid clamping of the workpiece. Due to the versatility of the NBR for clamping different part geometries without new fixture redesigns, this leads to a competitive advantage of these flexible solutions against the classic rigid vacuum fixtures. Finally, a model to predict the grooving forces with a bull-nose end mill regardless of the stiffness of the part support is proposed and validated for the working range.This research was funded by Basque Government (Eusko Jaurlaritza) under the ELKARTEK Program, SMAR3NAK project, grant number KK-2019/00051

Dinamika Penanaman Modal Asing (PMA) Bidang Pertambangan Umum di Indonesia

During 1967 – 1988, seven generations of Contract of Work (COW) were in lieu with foreign capital investment in the area of non-coal general mining, followed by three generations of Coal Contract (CCOW) in Indonesia. An analysis toward details of COW showed that the contract requirements were transformed from time to time. At the first phase, tax holiday was offered. Meanwhile, the later generations reduced such facilities as complained by mining companies. This research suggests the importance of regulation to manage Indonesia's income resulted from windfall profit of oil prices increase.Sepanjang periode 1967 – 1988, Indonesia telah menghasilkan tujuh generasi Kontrak Kerja dalam investasi modal asing untuk bidang pertambangan umum non batubara, diikuti oleh tiga generasi Kontrak Batubara. Analisis terhadap rincian Kontrak Kerja tersebut memperlihatkan Perubahan persyaratan kontrak dari waktu ke waktu. Pada fase pertama, Kontrak Kerja menawarkan fasilitas bebas pajak (tax holiday). Hal ini tidak berlaku lagi pada Kontrak Kerja selanjutnya, sebagaimana dikeluhkan Perusahaan-Perusahaan tambang. Riset ini merekomendasikan pentingnya regulasi untuk mengelola pendapatan Indonesia yang bisa diperoleh dari keuntungan tambahan (windfall profit) akibat kenaikan harga minyak

Laser Dissimilar Joining of Al7075T6 with Glass-Fiber-Reinforced Polyamide Composite

Dissimilar joining between metal and composite sheets is usually carried out by mechanical or adhesive joining. Laser dissimilar joining between metal and composite sheets could be an alternative to these methods, as it is a cost-effective and versatile joining technique. Previously, textured metallic and composite parts have been held together and heated with a laser beam while pressure is applied to allow the melted polymer to flow into the cavities of the metal part. The main issue of this process relates to reaching the same joint strength repetitively with appropriate process parameters. In this work, both initial texturing and laser joining parameters are studied for Al 7075-T6 and glass-fiber-reinforced PA6 composite. A groove-based geometry was studied in terms of depth-to-width aspect ratio to find an optimal surface using a nanosecond fiber laser for texturing. Laser joining parameters were also studied with different combinations of surface temperature, heating strategy, pressure, and laser feed rate. The results are relatively good for grooves with aspect ratios from 0.94 to 4.15, with the widths of the grooves being the most critical factor. In terms of joining parameters, surface reference temperature was found to be the most influential parameter. Underheating does not allow correct material flow in textured cavities, while overheating also causes high dispersion in the resulting shear strength. When optimal parameters are applied using correct textures, shear strength values over 26 kN are reached, with a contact area of 35 × 45 mm2.This research was funded by the Basque Government grant number KK-2017/00088

Latest Developments in Industrial Hybrid Machine Tools that Combine Additive and Subtractive Operations

Hybrid machine tools combining additive and subtractive processes have arisen as a solution to increasing manufacture requirements, boosting the potentials of both technologies, while compensating and minimizing their limitations. Nevertheless, the idea of hybrid machines is relatively new and there is a notable lack of knowledge about the implications arisen from their in-practice use. Therefore, the main goal of the present paper is to fill the existing gap, giving an insight into the current advancements and pending tasks of hybrid machines both from an academic and industrial perspective. To that end, the technical-economical potentials and challenges emerging from their use are identified and critically discussed. In addition, the current situation and future perspectives of hybrid machines from the point of view of process planning, monitoring, and inspection are analyzed. On the one hand, it is found that hybrid machines enable a more efficient use of the resources available, as well as the production of previously unattainable complex parts. On the other hand, it is concluded that there are still some technological challenges derived from the interaction of additive and subtractive processes to be overcome (e.g., process planning, decision planning, use of cutting fluids, and need for a post-processing) before a full implantation of hybrid machines is fulfilledSpecial thanks are addressed to the Industry and Competitiveness Spanish Ministry for the support on the DPI2016-79889-R INTEGRADDI project and to the PARADDISE project H2020-IND-CE-2016-17/H2020-FOF-2016 of the European Union's Horizon 2020 research and innovation program