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Studi Komperatif Akurasi Pemakaian Persaman Bentangan Plat Metode Bidang Netral, Konstanta X’ Dan Metode Faktor Koreksi Y’ Untuk Proses Penekukan Pipa

POLI REKAYASA Vol 1, No 2 (2006)
Publisher : POLI REKAYASA

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Abstract

Principle of bend is the existence of shares which stretch at bend exterior and shares which dwindling at bend interior. Pursuant to principle of writer interest to see level accuracy of equation unfold plate if used for the process of pipe bend. Pursuant to literature, there is three formulas or way for bend unfold plate. From third the equation seen which is which most accurate if used for pipe with a few diameter variations and of radius bend. From research got; for pipe with diameter 2,54 and cm of Rb 5,99 cm mount most accurate or lowest mistake is first way that is with method of calculation with neutral area ( normal). With level mistake of mean e = +, 84% For pipe with diameter 3,375 and cm of Rb 7,73 cm mount most accurate or lowest mistake is first way that is with method of calculation with neutral area ( normal). With level mistake of mean e = 0,05 %. For pipe with diameter 4,275 cm, Rb 10,225 cm mount most accurate or lowest mistake is second way that is with method reduction of X constantan with level mistake of mean e = - 0,46%.

PEMBANGKIT LISTRIK TENAGA GELOMBANG LAUT SISTIM EMPAT BANDUL

Prosiding Semnastek PROSIDING SEMNASTEK 2014
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Pembangkit  Listrik  Tenaga  Gelombang  Laut -Sistem  Bandulan  (PLTGL-SB)  yang  rancangbangunnya berbentuk ponton di tempatkan mengapung di atas permukaan air laut, dan PLTGL-SBtersebut akan mengikuti gerak/arus gelombang sesuai dengan frekwensi gelombang laut, sehinggamenyebabkan posisi PLTGL-SB selalu bergerak terombang ambing sesuai dengan alur gelombang.Karena  gerakan  terombang  ambing ponton yang  terus-menerus  tersebut menyebabkan  ayunanbandul yang akan dirubah jadi putaran generator dalam hal ini ada empat bandul, sehingga PLTGLSB  mengeluarkan  Energi/Daya  Listrik.Dan  menurut perhitungan,  untuk  panjang  pantai + 1km,terdapat  Energi  Potensial  Gelombang  Laut +10MW,  dengan  biaya  investasinya+ Rp35.000.000/kW, dan dapat menerangi + 40.000 rumah-tangga sederhana.

PEMBANGKIT LISTRIK TENAGA GELOMBANG LAUT SISTIM EMPAT BANDUL

Prosiding Semnastek PROSIDING SEMNASTEK 2015
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Pembangkit Listrik Tenaga Gelombang Laut -Sistem Bandulan (PLTGL-SB) yang rancang-bangunnya berbentuk ponton di tempatkan mengapung di atas permukaan air laut, dan PLTGL-SB tersebut akan mengikuti gerak/arus gelombang sesuai dengan frekwensi gelombang laut, sehingga menyebabkan posisi PLTGL-SB selalu bergerak terombang ambing sesuai dengan alur gelombang. Karena gerakan terombang ambing ponton yang terus-menerus tersebut menyebabkan ayunan bandul yang akan dirubah jadi putaran generator dalam hal ini ada empat bandul, sehingga PLTGL-SB mengeluarkan Energi/Daya Listrik. Gerakan bandul yang bergoyang dirobah dengan menggunakan sistem trasmisi menjadi putaran yang dapat memutar dinamo/generator, dan generator yang digunakan adalah jenis putaran rendah 3 Phase AC dengan daya 500 Watt pada putaran 1400 rpm.

Simulasi Perancangan Press Tool Cylinder Head Gasket (3X –E 1181–00) Sepeda Motor Yamaha F1ZR

Jurnal Teknik Mesin Vol 10 No 2 (2017): Jurnal Teknik Mesin
Publisher : P3M Politeknik Negeri Padang

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Abstract

Press tool is a press tool used to cut or form a thin plate into the desired shape with a pressing or press machine. This press tool is designed to be able to produce goods in bulk with a relatively short processing time without reducing the quality of the product, so that work efficiency can be improved and can reduce production costs. The design of the press tool for making cylinder head gaskets (3XA - E 1181 - 00) is a Yamaha F1ZR motor with a thickness of 0.5 mm made from ST37 through two processes, namely the embossing process, besides forming, the punch embossing also functions as a stripper. stock), followed by the cutting tool (piercing and blanking) process. Judging from the type of construction, this press tool belongs to the type of compound tool. In the process of making construction products this type has two workmanship functions but in one step work. The force that occurs is the sum of the cutting force (F _p = Us. R_m). The punch center calculation is useful for knowing the center of emphasis. This component is a gas leak retaining plate on the engine cylinder located between the cylinder block and cylinder head.