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It is found the hot forming quality has close related to the initial temperature of the pressing die, the blank, pressing speed, cooling rate and the friction between the part and tools. Through the design of orthogonal test and multiple regression analysis, the regression model of thinning rate and...

Through the classification of the profiled insert in die-casting mould, the technological analysis of the blind cavity insert is carried out. It provides a general process for the CAM technician to design the insert machining program. Combined with CimatronE software, the processing ideas clearly show....

To identify the densification process and corresponding mechanism, double-action die compaction of Fe-Al composite powder (with 20 wt.% Al) was modeled by multi-particle finite element method (MPFEM) from particulate scale in 2D. The initial packing structure generated by discrete element method (DEM)...

This thesis investigates the high-strength steel forming technology in battery pack frames and its application in automotive lightweighting. Through finite element simulations and experimental tests on the structural parts of battery packs for new energy vehicles, the engineering application prospects...

This paper regards a kind of AZ80 magnesium alloy extrusion die as the research object to design its shape and make the systematic optimization. The results show that after optimization, the simulated extruding warpage reduced with stable dimension. By comparing the loads of dummy blocks under different...

This study is designed as a qualitative case study to explore the application of the instant messaging platform QQ in an EFL class in China, aiming at promoting learners’ critical literacy. After analyzing the data collected in observation, surveys and interviews, this study finds that QQ can serve for...

Neonatal Hemochromatosis (NH) is a rare phenotype of severe fetal/neonatal liver injury that is accompanied by extrahepatic siderosis. Current clinical evidence shows that NH is not a disease per se, but is the consequence of fetal liver injury. Gestational alloimmune liver disease is the cause of nearly...

Social networking has demonstrated a clear shift towards mobile platforms like smartphone and tablet apps as well as mobile web. Due to the significant development of social networking technology, the number of mobile social media users has been boosted over past 10 years. One of the defining phenomena...

Fashion often represents the identity and resistance of a group. Meanwhile, identity and resistance often become themes in literary works. One of the literary works that show the search for identity and resistance of young people at the end of the 18th century in Germany is Die Leiden des Jungen Werthers...

Aiming to explain forming mechanism of copper pipe workpiece with inner groove copper tube via ball-rolling at different spinning speeds, the copper pipe workpiece and straight die is modeled in ABAQUS. And the whole simulation includes forming process, analysis of strain and stress. It is concluded...

Drawing on the governmental policies, lack of health facilities and infrastructure, the threat of economic crisis, increasing poverty rate, high inflation, and several issues in Indonesia, we investigate the role of women-headed families during the pandemic of Covid-19. Since Covid-19 entered Indonesia...

Objective: Sodium-glucose co-transporter-2 inhibitors reduce blood pressure and renal and cardiovascular events in patients with type 2 diabetes through not fully elucidated mechanisms. Aim of this study was to investigate whether dapagliflozin is able to acutely modify systemic and renal vascular function. Methods:...

With the development of modern industry, Modern die technology is developing in the direction of high precision, high life, high productivity and complex structure. Therefore, the development of new die design and manufacturing technology is imperative. Light curing rapid prototyping technology is the...

In medical society, there are controvery issues that called withholding and withdrawing life support. Withholding life support is delaying the provision of new or advanced life support therapy without stopping ongoing life support therapy, and withdrawing life support is stopping some or all of the life...

In order to solve the problem of the cluster head heavy energy consumption and energy utilization rate are insufficient in the clustering of wireless sensor network, proposed a dual cluster selecting based on particle swarm algorithm. Adopted the LEACH algorithm to cluster the area. Introduced PSO algorithm...

Cervical cancer is the second leading cause of death for women in the world after breast cancer. It is estimated that every 40-45 new cases occur and around 20-25 people die due to cervical cancer. In Kudus , the coverage of early detection of cervical cancer by the VIA method is only 2% of the number...

In hierarchical management systems, the information interaction problems often appear such as transmission delay, ununified understanding of important matters and distortion of the original intention. At present, many people are used to using Wechat and QQ to exchange daily work information. However,...

The FEM simulation of flow of extruding plastic gear during cooling and die design was studied in this paper. A capillary rheometer MLW-400 was used to measure the curve of shear rate VS viscosity of POM-500P, the Power Law constitutive equation was used to describe the POM rheological characteristics,...

To investigate the formability of press hardening steel sheet at elevated temperatures, the typical steel sheet 22MnB5 was adopted and tested via a self-designed setup which comprised of a resistance wire oven, a set of punching die and a loading system. Nine specimens were applied to get different strain...

This article examines how scientific publications will soon die in Indonesia regarding some issues. This paper uses the legal method to give significant findings for Indonesian scholars. This paper found that some issues that would make scientific publications die were classified as the quality of scholars,...

This article from the inner door panel size, shape and structure stamping requirements detailed analyzes its main features, and on this basis, for example within the H17 car door panels, we elaborate its treatment process and commissioning, through production practice it has proved that this set of drawing...

This paper contains a search of the issue of handling and handling jigs in the field of die casting of aluminum alloys. The paper deals with the design of a hydraulic manipulator of injection molds for pressure casting of aluminum alloys. Several basic variants of a possible solution have been proposed...

Nowadays, fishing boats are the most vulnerable to danger in the sea. The success rate of rescue after the accident is also lower than the average success rate of national maritime search and rescue. According to incomplete statistics, the direct economic loss of 290,000 marine motor fishing vessels...

Humans experience three phases in life, namely birth, marriage, and death. Nativity symbolizes the beginning of life, the moment when a new human being begins to breathe the air of the world. It is an event that brings great joy to the family and community, a symbol of hope and the future. Marriage as...

The forming of internal rib has more application in production, to meet the requirements of assembly, cooperate or increase the stiffness, it can be realized through the use of compressed coil or bulging coil tube forming rib forming, within or outside of the rib. It is for ribbed tube forming of schematic...

In this paper, a commercial finite element software, ABAQUS was used to simulate the influence of friction coefficient on copper alloy process by Equal Channel Angular press technique. The geometry of the simulated samples is 7.3mm width by 50mm long. The die is analytical rigid, and the process was...

This paper aims at the research and application of key mold technology for hot stamping integral door ring with high-strength steel. With the development of automobile industry, lightweight body has become an important trend in the manufacturing industry, and high-strength steel materials and hot stamping...

A new solvable N-body model of goldfish type is identified. Its Newtonian equations of motion read as follows: z¨n=-6z˙nzn-4zn3+32(z˙n+2zn2)∑k=1N(z˙ kzk+2zk)+2∑𝓁=1,𝓁≠nN[(z˙n+2zn2)(z˙𝓁+2z𝓁2)zn-z𝓁],      n=1,…,N, where...

Additive manufacturing allows new design solutions for moulds and dies that can improve quality and productivity in casting processes. Complex cooling channels made by additive manufacturing give fast and reliable cooling and a more accurate control of the solidification. The paper shows a comparison...

WHO explains that hypertension continues to increase every year, it is estimated that in 2025 1.5 billion people with hypertension and 9.4 million people die every year due to hypertension and its complications. The prevalence of hypertension in Indonesia based on the results of Riskesdas is 34.1%. This...

The direction and orientation of prehistoric graves in Indonesia have not been widely studied. Some research on prehistoric graves does not explain the direction and orientation in detail. This research on the direction and orientation of prehistoric tombs in the North Coast of Java aims to answer the...

Under the guidance of the talent cultivation goal of “cultivating applied talents” proposed by the Ministry of Education, this paper introduces a practice-oriented teaching mode, based on the course objective of “stamping process and die design”, and adopts a combination of knowledge module and project...

The rapid development of the manufacturing industry today, for the thread machining production increasingly requires high precision, and the accuracy of thread processing is influenced by many factors. For external thread processing in large quantities, in order to improve the efficiency and accuracy...

Slider is an important power output component for high-speed precision presses, which requiring a higher stiffness (less deformation). The mold and stamping part’s size were generally not considered for the traditional analysis method. In this paper, the length and thickness of the equivalent upper die...

In this paper, a kind of water direct cooling processing device and method for high-strength automobile integrated door rings are proposed. By directly contacting water with high-temperature parts, the device can instantly vaporize water and generate air flow, so as to accelerate cooling and reduce the...

Land and climate are important land potentials in agricultural ventures. Land other than as a medium also grows water storage for plants. Rainfall is the climate element of the water provider for plants. Clove Plant as one of the main plantation plants that are cultivated on farmland by the people of...

In order to strengthen the effectiveness of ideological and political education in Colleges, and promote the education quality, it is proposed a ideological and political education and teaching methods based on network public opinion monitoring, combined with the current Internet technology, which use...

Soil water and nutrients are key factors for plant growth and development as they are involved in many processes in plants. The purpose of this study was to investigate the effect of water deficit in different growth stages on maize growth and water use efficiency. Randomized block design with three...

Rhinoceros beetle (Coleoptera: Scarabaeidae) is known as a phytophagous insect found associating with Agave spp. and has the potential to become a pest in crop cultivation. Agave is a fiber-producing plant utilized in natural fiber-based industries. This research was carried out with the aim to determine...

Finite element method (FEM) is an effective method to study high-speed cutting mechanism. To set up the FEM models of high-speed cutting auto panel dies, large deformation theory and virtual work principle were applied to study high-speed machining process. The finite element governing equation adapted...

The current domestic online music providers, such as QQ music, KuGou music, Baidu Music, etc., most of which support keywords retrieval of users to search songs, listen online, download songs, and other functions. Few manufacturers provides functions as 'songs may conform to your taste', 'songs of similar...

The teaching mode of traditional engineering manufacturing courses has been unable to adapt to the development of education digitalization. The teaching team of Jianghan University’s “Mold Manufacturing Technology” has carried out in-depth reform and innovation in the aspects of course content, teaching...

Maternal Mortality Rate (MMR) also become an important indicator of public health degree. MMR describes the number of women who die from a cause of death related to pregnancy disorders or their handling (not including accident or incidental cases) during pregnancy. According to the health center’s report...

Batik Gentongan was an ancient and endangered cultural heritage, only existed in Tanjung Bumi, Madura. This research analyzed the myth behind the making process of batik Gentongan, and how the myth colored people’s life. The data was explored through an exploratory approach and collected by observations,...

Metal streamline is the organization of fibrous distribution of impurities, compound, and segregation along main deformation direction on macro test block, which is of great influence on mechanics of members, use and process performance. Pump body is the key part of diesel engine which adopts longitudinal...

Since the founding of the People's Republic of China, the "management activity theory" has been officially recognized in the discussion of the nature of accounting; however, the research on "information system theory" has never stopped. In the era of digital economy, accounting...

The movement of refugees and migrants across the sea has been on the increase in recent times. The United Nations Refugee Agency has often raised alarm on the increasing level of fatalities occurring as people move for safety or to greener pastures across the sea. In the case of Africa, the situation...

A new cold working die steel was prepared by vacuum arc melting. Its structure characteristics and micro-hardness were measured and investigated. The results indicate that the ingot is mainly composed of dendrites. The grain size increases gradually from the edge to the center along the horizontal direction....

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

Currently, the pharmacology teaching is popularized and becomes one of indicators and important compositions of all curricula initial in medical or nurse's college. But it is very difficult for student, particularly English is not his native language. This article design will take students as the primary...