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Jurnal Kalpika
Published by Universitas Krisnadwipayana
ISSN : 18297552     EISSN : 29622980     DOI : -
Core Subject : Engineering,
Automotive Engineering Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Kalpika, sebagai jurnal yang bervisi sebagai wadah unggulan penelitian ( dalam makna luas), mengenai teknik dunia permesinan, setidaknya sudah mengawali kiprahnya melalui sajian naskah yang bervariasi ( namun tetap terikat oleh visinya), mulai dari penelitian murni empirik hingga penelitian yang bersifat terobosan filosofis.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 5 Documents
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Search results for , issue "Vol 19 No 2 (2022): Jurnal KALPIKA" : 5 Documents clear
ANALISIS PERANCANGAN SUPPORT PADA PIPELINE SUATU PROJECT X DENGAN MENGGUNAKAN PROGRAM CAESAR II Dedy Krisbianto; Agung Nugroho
KALPIKA Vol 19 No 2 (2022): Jurnal KALPIKA
Publisher : Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/kalpika.v19i2.43

Abstract

The design of a good and safe piping system is needed to ensure the continuity of the production process andensure safety. To overcome the magnitude of the stress that occurs due to loading, analysis is needed. In thisfinal project, the stress of the High Pressure Vent Pipeline will be analyzed with the CAESAR II approachand with the Allowable Stress limit of ASME B31.3. In this final project, a discussion of the piping path fromthe Pig Launcher outlet to the Pig Receiver inlet is carried out with line number ”-PG-KT-A02A-016, 8”-PG-KT-A02A-027, 2”-02-BV-024 dan 2”-02-GLB-004. The design starts from collecting data, analyzing thepipe thickness (pipe schedule) from the type of material used in the initial design which refers to the ASMEB31.3 Process Piping standard. In the redesign, the support distance is below the maximum span limit,which is less than 8m so that it does not provide deflection and excessive stress on the piping system.
ANALISIS KUALITAS BATANG PISTON ORIGINAL DAN NON ORIGINAL PADA KENDARAAN RODA DUA 4 LANGKAH KAPASITAS 113 CC Kis Yoga Utomo; Ahmad Zayadi; Masyhudi; Deni A
KALPIKA Vol 19 No 2 (2022): Jurnal KALPIKA
Publisher : Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/kalpika.v19i2.44

Abstract

Quality Analysis of Original and Non-Original Piston Rods on Two-Wheel Vehicles 4 Stroke Capacity 113cc, piston rods are important spare parts on motorcycles, because their function is to transmit the powergenerated in the combustion process from the piston to the crankshaft on the vehicle. If there is damage tothe piston rod which can cause the piston rod to be bent or even broken, so that it has an impact on thesafety factor when driving a motor vehicle. The purpose of this study was to determine the mechanicalcharacteristics of the piston rod material (connecting rod) of original and non-original products, and tocompare the quality of the piston rods of original and non-original products from two differentmanufacturers. The method used in this study was the ASTM E 3 microstructure test, the SNI 19-0409-1989hardness test, and the ASTM A 751 chemical composition. Metallographic testing revealed that themicrostructure of the original motorcycle piston rod was tempered martensite with a fine grain of 60-80 cm.70%, while the microstructure of the non-original motorcycle piston rod is tempered martensite with 40%coarse grain. Medium hardness test The hardness value of the original piston rod material is 428 HV, whichis higher than the non-original motorcycle piston rod material hardness value of 396 HV. As well as testingthe chemical composition that the value of the element Al contained in the original motorcycle piston rodmaterial is 0.0314% > 0.0184% non-original motorcycle piston rod material in the chemical compositiontesting process.
ANALISIS KEGAGALAN GEOMETRI KOMPONEN BRACKET HINGE CAB PADA PROSES BORING DIMESIN CNC MILLING OKK VC51 Kupainudin; Denny Prumanto; Rani Anggraeny
KALPIKA Vol 19 No 2 (2022): Jurnal KALPIKA
Publisher : Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/kalpika.v19i2.45

Abstract

The Boring Process of Hinge Cab Bracket components is one of the machining processes at PT. MMI.Boring work is the process of enlarging the hole to the desired size and usually pays less attention togeometric deviations from the results of the boring process, even though it greatly affects the quality of themachining results. In general, a spherical profile is said to be perfectly round if the distance of the pointscontained in the geometric shape have the same distance from a point called the center point. The purpose ofthe study was to determine the effect of spindle speed and feeding speed on the geometric size of the barcketcomponent. The method used in this research is an engineering study with experiments and data collection iscarried out through field observations and analysis of ongoing programs. The independent variable in thisstudy was 0.1 mm infeed depth, with spindle rotation parameters of 400 rpm, 500 rpm, 600 rpm, 700 rpmand 800 rpm. The dependent variable is the geometric deviation of the Bracket Hinge Cab boring results.The control variable is the insert type TNMG332-GN LC5010 which has a feed speed (fz) of 0.1 mm/rev anda roughing size of 104 ±0.30, coolant damin water and ecocool 2700T. The measurement method uses a boregauge/cylinder gauge to determine the effect of variations in machining parameters on the geometry of theboring results with a tolerance of ± 0.30 mm and takes 4 axes of measurement, namely X, Y, X', Y'. From theresearch that has been done that the parameter with the smallest geometric deviation is obtained in the fourparts with a spindle rotation (n) 700 rpm, which is the expected result because the geometric deviation is70μm, still within the tolerance limit of ± 0.30 mm and has a roughness level of 9.278 Ra. The greater thevalue of the cutting speed (Vc), the smaller the geometric deviation that occurs. To get good results based onthe analysis and for results that are in accordance with the standard, the best Rpm is used at 700 rpm withFeeding 140 mm/minute.
ANALISA DAN RANCANG BANGUN TEMPAT TIDUR BAYI ( BABY COT ) Nurkim
KALPIKA Vol 19 No 2 (2022): Jurnal KALPIKA
Publisher : Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/kalpika.v19i2.46

Abstract

The success of the national health insurance program (JKN) requires certainty of the availability of drugsupplies and medical devices from local industries. The limitation of the local medical device industry is anobstacle to the success of the program, and then released national program to accelerate the development ofthe independence of the national medical device industry. This research is intended to find an alternativeway to accelerate the development of the medical device industry by developing upstream technology,namely product design and development. With this technology, an effective way of developing medical deviceproducts for small industries will be obtained, the product reaches the market immediately, and meetsregulatory requirements. The product used in this case is a baby cot. The product development model used isto follow the regulatory requirements for good medical devices manufacturing practices (CPAKB), SNI ISO13485 and a systematic approach to design a product that is safe, and effective as intended use. Informationon product requirements and test methods is taken from EN 1130 Part 1 and Part 2. Using a systematicapproach the requirements and functions for the product can be analyzed. Furthermore, the embodimentdesign and detailed design are developed. The correctness of the design is proven by making functionalprototypes and verified by the stipulated design requirements. From this research, it was found a way todevelop medical device products for baby box products that are safe, and effective as intended use meetregulatory requirements.
ANALISIS PENGARUH FEEDING PADA PROSES GRINDING JOURNAL TERHADAP NILAI KUALITAS CAMSHAFT TYPE 2TNV70 PASCA IQT Sudja Rizki Maulana
KALPIKA Vol 19 No 2 (2022): Jurnal KALPIKA
Publisher : Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/kalpika.v19i2.47

Abstract

Research in the field of machining in testing the level of roughness needs to be done to get good results in themachining process. The purpose of this study was to determine the effect of variations in feeding on thesurface grinding process on the surface roughness and hardness of S45C carbon steel that has gone throughprocesses including induction, quenching and tempering and to compare which feeding variation has thelowest level of roughness. The research method used is an experimental method in the form of giving avariety of feeding which is tested on 4 samples in the surface grinding process. The number of variationsgiven is 0.2mm/min, 0.4mm/min, 0.8mm/min, 1.2mm/min. The test results obtained are in the form ofroughness values and hardness values on specimens that have been previously tested. The results showedthat there was a change in the roughness value that occurred during the grinding process by applying a0.2mm/min feeding variation resulting in an average value of 1.33683333µ, a feeding variation of0.4mm/min producing an average value of 1.27068333µ, a feeding variation of 0.8mm/min producing anaverage value of 1.27068333µ. the average value is 1.29633333µ, the variation of feeding 1.2mm/minproduces an average value of 1.39458333µ and there is no significant change in the surface hardness valuein the surface grinding process. The tools used in this study were the Mitutoyo SV2100 rougness tester todetermine the roughness value, and the Sonohard SH22 hardness tester to determine the hardness value. Thedata that has been obtained are then analyzed using descriptive statistics where the data are presented in theform of tables and graphs. after grinding. This shows that there is an effect of giving different variations offeeding the surface grinding process to the surface roughness value.

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