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All Journal Jurnal Engine: Energi, Manufaktur, dan Material Jurnal Pengabdian dan Pengembangan Masyarakat
Budi Basuki
Departemen Teknik Mesin, Sekolah Vokasi, Universitas Gadjah Mada
Humanities Control & Systems Engineering Education Energy Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering

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Pembuatan Training Kit Pneumatik untuk SMKN I Ngawen Kabupaten Gunungkidul Budi Basuki
Jurnal Pengabdian dan Pengembangan Masyarakat Vol 1, No 1 (2018): MAY
Publisher : Pengabdian dan Pengembangan Masyarakat Sekolah Vokasi UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jp2m.41002

Abstract

Community Service Activities (PKM) of Department of Mechanical Engineering (DTM), Vocational College, Universitas Gadjah Mada 2015 is entitled the development of pneumatic training kit for SMK N I Ngawen, Gunungkidul Regency. The school located in Jono Hamlet, Tancep Village, Ngawen District, Gunungkidul Regency, has a land area of 15,300 m2. There are four competency expertise held in this school, namely: Light Vehicle Technique, Heavy Equipment, Computer and Network Engineering, and Batik Clothing. SMK N I Ngawen and Vocational College (in this case Mechanical Engineering Department as a PKM team directly involved) have established cooperation in the field of heavy equipment education. SMK N I Ngawen actively has planning and effort of developing PLC control technique as a tool of practice to support the competence of machine expertise. After conducting surveys and coordination with the Principal and its staff, the PLC's control engineering development activities are planned to include scheduling, coordination of PLC training for educator staff, procurement of PLC units, the creation of pneumatic training kit simulators and completeness, the administration of activities and technical details . The procurement of PLC control techniques and pneumatic training kits was successfully carried out for 6 (six) months smoothly from April to October 2015. This activity was conducted on campus of DTM SV - UGM and in SMK N I Ngawen. Implementation of this training kit was conducted by PKM team and education staffs of SMK N I Ngawen Gunungkidul. The preparation of pneumatic training kits begins with the purchase and preparation of training components to the preparation of layouts and testing of training kits. The delivery of pneumatic training kits was done after the teaching staffs of SMK N I Ngawen Gunungkidul attended training kit training.
Elastic Recovery Permukaan UHMWPE Berpasangan dengan Baja Tahan Karat 316L, Kobalt Khrom dan Titanium Budi Basuki; Andhi Akhmad Ismail
Jurnal Engine: Energi, Manufaktur, dan Material Vol 3, No 2 (2019)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v3i2.587

Abstract

Ultra High Molecular Weight Polyethylene (UHMWPE) is a biomedical polymer applied for orthopedic as hip, knee, ankle and lumbar disc implants. The use of this material is common as a joint component paired with metallic biomaterials such as 316L stainless steel (SS 316L), cobalt chrome alloy (CoCr) dan titanium. This application has a wear problem. UHMWPE implants are commonly made with machining processes, i.e. lathe and milling. The effect of machining is the surface roughness of implant products. Polymer highly elastic in which would induce the deformation of surface asperities during loading and unloading. This phenomenon is determined with a parameter called elastic recovery. The magnitude of elastic recovery relates to the wear of the polymer. This research numerically investigated the effect of metallic biomaterial types on the UHMWPE elastic recoveries. Those metals are CoCr, SS 316L, and titanium. Two-dimensional surface asperity models were loaded with physiological gait loads of hip and knee. Results from computational works showed an insignificant difference of UHMWPE elastic recoveries penetrated by the studied metals. Elastic recovery due to SS 316L with knee gait load is 55.19%, equal to CoCr while other results due to titanium are slightly higher, 55.224%. The difference for all metals is only 0.06 %. Contact pressures are also equal, 38.96 MPa (CoCr), 38.98 MPa (316L and titanium).
Hubungan Antara Produktifitas Pemesinan dan Kualitas Permukaan Bahan UHMWPE Hasil Bubut Silindris dengan Mesin CNC Budi Basuki; Ignatius Aris Hendaryanto; Benidiktus Tulung Prayoga; Handoko Handoko
Jurnal Engine: Energi, Manufaktur, dan Material Vol 7, No 1 (2023)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v7i1.1461

Abstract

UHMWPE (Ultra High Molecular Weight Polyethylene) is a unique polyethylene material widely used in biomedical applications as a bearing material for human body joint implants. The production of these UHMWPE implant components is still commonly performed with machine tools. Operation of these machines requires specific setting machining parameters in order to produce good UHMWPE surface quality without sacrificing the production cost. This research aims to find the relationship between cylindrical lathe machining productivity parameter, MRR (Material Removal Rate), and surface quality of the produced UHMWPE implant. MRR is directly related to production costs. The research was conducted by turning the UHMWPE at five feed rate variations between 0.025 to 0.2 mm/rev. and two depth of cut variations, 0.05 mm, and 0.1 mm, with a cutting speed of 150 m / minute. The test used a Denford FANUC CNC lathe machine with a cemented carbide cutting tool. Product quality was determined by measuring the topography or surface roughness of the material. Results show that the surface quality is inversely related to MRR. This problem can be solved by adjusting the depth of the cut. High productivity can be obtained by cutting thicker material. The difference in the surface quality of the cylindrical lathe machined material in the two depth of cut variations is not significant.
Co-Authors Andhi Akhmad Ismail Benidiktus Tulung Prayoga Handoko Handoko Ignatius Aris Hendaryanto