Proportional pressure reducing valve design and manufacturing testing research

Author(s):  
Kun Xie ◽  
Ziliang An ◽  
Qi Su
2014 ◽  
Vol 1 (1) ◽  
pp. 365-368
Author(s):  
Ionela Magdalena Rotaru ◽  
Sorin Borza

Abstractthe paper continues the research started in the paper “Conception and fabrication using knowledge management principles”. The theoretical guidelines found in the mentioned paper crystallises at a practical level in an original product – a software solution. The proposed solution has as a central element notion concerning the design and manufacturing of straight axes in the automotive industry. The application field for the proposed example regards the educational area; the software guides the user by theoretical concepts, examples, problems through practical aspects concerning the design and manufacturing of a part belonging to the axes family specific to the automotive industry. The software was developed using the Access work environment.


2021 ◽  
Author(s):  
Cole Dunning ◽  
Rodrigo Cervantes ◽  
Lorena Velasquez ◽  
Anastasia Western ◽  
Michelle Sherman ◽  
...  

2016 ◽  
Vol 10 (2) ◽  
pp. 162-171
Author(s):  
Hafid Hafid ◽  
Tatang Sutisna

The design and manufacturing of the rotary table with the specification Ø 170 mm (6 inches) for CNC machine 4 axis has been done. The objective of manufacturing a rotary table is to increase the efficiency of CNC machine Hardford 4 axis to be above 80% in line machining center CV. IM’s workshop. The engineering methods was taken, consist of: working preparation, manufacturing of working drawing, engineering process, the manufacturing and testing. The prototype has been tested and operated, the resulting of increasing productivity of which were as follows: the process of assembling was increased to be 3 time ( before 1 time) and processing time for a specific case reduced from 5 hours to 3 hours, number of operators for the case of assembling the rotary reduced to 1 person (before 4 persons), safety and security become to be better. The results show increased efficiency of CNC machine Hardford, from under 50% to be above 80%. Based on the economical analysis obtained by the cost of good sold (C.G.S) of the rotary table is IDR 34.060.000. The results presented in this paper is expected to be case study for developing a business of the metal and engineering SMEs domestic to the effort of improving efficiency, quality, productivity and competitiveness in global market.ABSTRAKPerancangan dan pembuatan alat bantu meja putar (rotary table) dengan spesifikasi teknis Ø 170 mm (6 inci) untuk mesin CNC 4 axis telah dilakukan. Tujuan pembuatan rotary table adalah untuk meningkatkan efisiensi mesin CNC Hardford 4 axis di atas 80% pada line machining center Bengkel CV. IM. Metode rancang bangun yang dilakukan, meliputi: persiapan kerja, pembuatan gambar kerja, proses engineering, pembuatan dan uji coba. Prototip tersebut telah diuji coba dan dioperasikan dengan hasil peningkatan produktivitas sebagai berikut: proses pengerjaan bongkar pasang meningkat menjadi 3 kali (sebelumnya 1 kali) dan waktu pengerjaan untuk kasus tertentu berkurang dari 5 jam menjadi 3 jam, jumlah operator untuk kasus bongkar pasang rotary berkurang menjadi 1 orang (sebelumnya 4 orang), keselamatan kerja dan keamanan menjadi lebih baik. Hasil peningkatan berupa efisiensi mesin CNC Hardford 4 axis dari sebelumnya di bawah 50% menjadi di atas 80%. Berdasarkan hasil perhitungan analisis ekonomi diperoleh harga pokok produksi (HPP) alat bantu meja putar adalah sebesar Rp. 34.060.000. Bahasan ini diharapkan menjadi contoh kasus bagi pengembangan usaha IKM logam dan mesin dalam negeri untuk meningkatkan efisiensi, mutu, produktivitas dan keunggulan daya saing di pasar global.Kata kunci: alat bantu meja putar, mesin CNC, harga pokok produksi


Author(s):  
Dan Bodoh ◽  
Kent Erington ◽  
Kris Dickson ◽  
George Lange ◽  
Carey Wu ◽  
...  

Abstract Laser-assisted device alteration (LADA) is an established technique used to identify critical speed paths in integrated circuits. LADA can reveal the physical location of a speed path, but not the timing of the speed path. This paper describes the root cause analysis benefits of 1064nm time resolved LADA (TR-LADA) with a picosecond laser. It shows several examples of how picosecond TR-LADA has complemented the existing fault isolation toolset and has allowed for quicker resolution of design and manufacturing issues. The paper explains how TR-LADA increases the LADA localization resolution by eliminating the well interaction, provides the timing of the event detected by LADA, indicates the propagation direction of the critical signals detected by LADA, allows the analyst to infer the logic values of the critical signals, and separates multiple interactions occurring at the same site for better understanding of the critical signals.


2020 ◽  
Vol 1 (2) ◽  
pp. 91-96
Author(s):  
Wiyogo

Abstrak: Alat permainan edukatif memiliki manfaat penting dalam perkembangan kognitif anak, keterampilan motorik, dan kebugaran anak. Desain dan pembuatan yang dilakukan di Laboratorium Pendidikan Teknik Mesin Universitas Palangka Raya perlu dianalisis untuk mengetahui sejauh mana alat ini berguna. Hal pertama yang harus dilakukan adalah mempelajari literatur dan kemudian mengidentifikasi variabel penelitian yang bertujuan mendapatkan gambaran tentang apa yang dibutuhkan pengguna. Dari hasil kuesioner awal, tiga variabel diperoleh, yaitu desain, permainan mudah, dan keamanan. Data penelitian lebih lanjut yang telah diperoleh dengan nilai indeks dari produk yang diperoleh adalah 94,83%.   Abstract: Educational game tools have important benefits in a child's cognitive development, motor skills, and children's fitness. The design and manufacturing done at the Mechanical Engineering Education Laboratory of Palangka Raya University needs to be analyzed to find out how far the tool is useful. The first thing to do is to study the literature and then identify research variables aimed at getting a picture of what the user needs. From the results of the initial questionnaire, three variables were obtained, namely design, easy game and safety. Further research data that have been obtained with an index value of the products obtained are 94.83%.


2018 ◽  
Author(s):  
Pablo M. N. Araujo ◽  
Thiago R. Costa ◽  
Eduardo C. Silva

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