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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Jurnal Agrotek Tropika Jurnal Teknik Mesin Indonesia JTTM: Jurnal Terapan Teknik Mesin Sinar Sang Surya: Jurnal Pusat Pengabdian kepada Masyarakat Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Indonesian Journal of Innovation Studies Journal for Technology and Science Sainstech Nusantara Jurnal Pengabdian Masyarakat Manage Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development KREATIF: Jurnal Pengabdian Masyarakat Nusantara Academia Open TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Mulyadi Mulyadi
Program Studi Teknik Mesin , Universitas Muhammadiyah Sidoarjo
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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The Influence of Welding Technique With Variation of Current on Surface Defects and Penetration of ST40 Steel M. Hidayatur Rokhim; Mulyadi
Journal for Technology and Science Vol. 1 No. 1 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i1.100

Abstract

One of the connection of one place starting from several materials or materials that are solid is one of the welding methods, as for the factors that can affect the quality of the weld results which include the process of tools and materials to be used, welding direction, welding electrode movement patterns, in order to use and select electrodes. In this study ST 40 steel plate, testing was carried out with 3 specimens using U and zigzag movement patterns and the direction of welding used back and forth. variations in electric current used are 40 A, 60 A, 80 A. This study has the aim of influencing welding techniques using current variations. The test results that the welding process using welding techniques consisting of movement patterns, welding direction and welding time does not affect the weld defects in the welding results. Welds defects that occur due to variations in the current used
Corrosion Rate Analysis Under Coating and Temperature Variations: Analisis Laju Korosi pada Lapisan Pelindung dan Variasi Suhu Bagus Mulya Harun; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2097

Abstract

General Background: Corrosion is a critical issue affecting the durability and performance of metallic materials in industrial environments. Specific Background: Variations in coating type and temperature conditions can alter the corrosion behavior of metal surfaces, leading to differences in degradation rates. Knowledge Gap: Previous studies have not consistently examined the combined role of coating variations and temperature conditions in determining corrosion characteristics under controlled testing environments. Aims: This study aims to analyze corrosion rate behavior under different coating types and temperature variations to identify dominant factors influencing material degradation. Results: Experimental findings show that variations in coating type and temperature produce different corrosion rates, where certain coatings demonstrate better resistance under specific thermal conditions. The analysis highlights measurable differences in corrosion performance across tested samples. Novelty: This study provides a focused evaluation of combined coating and temperature variables in corrosion testing, offering a comparative perspective on material resistance. Implications: The results support material selection and protective coating strategies to improve durability and reduce degradation risks in industrial applications. Keywords: Corrosion Rate, Coating Variation, Temperature Effect, Material Degradation, Protective Layer Key Findings Highlights Coating types produce distinct degradation patterns under testing conditions Thermal variation alters material surface response significantly Experimental comparison reveals dominant degradation factors
Pressure Variation and Heat Transfer in Pokka 5001 Condenser: Perubahan Tekanan dan Perpindahan Panas pada Kondensor Pokka 5001 Rendy Rakhmad Fakhrizi; A’rasy Fahruddin; Mulyadi; Edi Widodo
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2100

Abstract

General Background Condensers play a crucial role in thermal systems by converting steam into liquid through heat transfer processes. Specific Background The performance of condensers is influenced by key parameters such as pressure, temperature, and fluid flow rate, particularly in finned tube systems. Knowledge Gap Previous studies have examined general condenser performance, but limited research has focused on Pokka 5001 type condensers with louvered fins under varying pressure conditions. Aims This study aims to analyze the efficiency and heat transfer rate of a Pokka 5001 condenser using pressure variations as the primary variable. Results Experimental results show that increasing pressure from 20 to 40 Psi leads to higher efficiency values, ranging from 73.17% to 89.68%, and improves heat transfer rate and fluid work. Additionally, higher flow rates contribute to increased heat transfer performance. Novelty This study provides experimental evaluation of a Pokka 5001 finned tube condenser with controlled pressure variation and airflow conditions. Implications The findings support better operational control of pressure and flow rate to maintain optimal condenser performance in thermal systems. Keywords: Condenser Pressure, Heat Transfer, Efficiency Analysis, Finned Tube, Thermal System Key Findings Highlights Efficiency increases consistently with rising operating pressure Flow rate growth correlates with higher thermal transfer performance Experimental data identify optimal operating conditions
Welding Parameter Variation on Aluminum Mechanical Properties: Pengaruh Variasi Parameter Pengelasan terhadap Sifat Mekanik Aluminium Arya Hardi Alvian; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2104

Abstract

General Background Welding plays a critical role in manufacturing processes, particularly for aluminum materials widely used due to their lightweight and corrosion resistance. Specific Background Variations in welding parameters such as current, voltage, and joint configuration can significantly alter mechanical properties and microstructural characteristics. Knowledge Gap Previous studies have examined welding parameters, yet limited analysis integrates multiple variables with detailed mechanical and microstructural evaluation. Aims This study aims to analyze the effect of welding parameter variations on tensile strength, hardness, and microstructure of aluminum joints. Results The findings indicate that parameter variations lead to differences in mechanical performance and microstructural formation, with certain conditions producing more stable joint characteristics. Novelty This study provides a combined evaluation of welding parameters and their relationship with mechanical and microstructural properties in a single framework. Implications The results offer practical insights for selecting appropriate welding parameters to achieve desired material performance in industrial applications. Keywords: Welding, Aluminum, Mechanical Properties, Microstructure, Parameter Variation Key Findings Highlights Parameter variation alters tensile and hardness characteristics Microstructure differences correspond to thermal input changes Certain conditions yield more stable joint performance
Circular Cardboard Cutter Design for Piggy Bank MSME Production: Desain Pemotong Karton Bulat untuk Produksi Celengan oleh UMKM Sulung Wibawansyah; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2110

Abstract

General Background Micro, small, and medium enterprises require efficient production tools to support increasing demand and operational sustainability. Specific Background Manual cutting processes in piggy bank production are time-consuming and limit productivity. Knowledge Gap Existing practices lack simple, efficient, and affordable cutting tools specifically designed for MSME-scale production. Aims This study aims to design a circular cardboard cutting tool using an electric motor and to determine the most suitable design concept. Results The selected concept A demonstrates a maximum von Mises stress of 5.433 MPa, maximum displacement of 0.041 mm, and a safety factor of 43, indicating structural safety. The design provides high efficiency and ease of manufacturing. Novelty This study integrates morphological chart-based concept generation with structural simulation for MSME-oriented tool design. Implications The proposed design offers a practical and affordable solution to support production capacity improvement in small-scale piggy bank manufacturing. Keywords: MSME Production, Morphological Chart, Product Design, Cardboard Cutting, Mechanical Simulation Key Findings Highlights Selected configuration meets structural safety requirements Concept evaluation identifies most feasible design alternative Tool structure supports stable operational performance
Project Scheduling Optimization Using PERT and CPM Methods: Optimalisasi Penjadwalan Proyek Menggunakan Metode PERT dan CPM Muhammad ‘Athif Istighfarian; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2113

Abstract

General Background Project scheduling is a critical aspect in ensuring timely completion and efficient resource allocation in construction and industrial projects. Specific Background Techniques such as Program Evaluation and Review Technique (PERT) and Critical Path Method (CPM) are widely applied to analyze project timelines and identify critical activities. Knowledge Gap However, limited integration of both methods in practical case studies leads to suboptimal scheduling decisions. Aims This study aims to analyze and optimize project scheduling using PERT and CPM to determine critical paths and estimated completion times. Results The analysis identifies key activities influencing project duration and reveals opportunities to reduce completion time compared to initial planning. Novelty The study provides a combined application of probabilistic and deterministic scheduling approaches within a single project context. Implications The findings support more structured planning and improved time control in project management practices Keywords: Project Scheduling, PERT Method, CPM Method, Critical Path, Time Pptimization Key Findings Highlights Critical activities determine overall project duration Probabilistic estimation provides flexible time prediction Combined approach yields more structured planning
Rice Planting Machine Design with Uniform Spacing Mechanism: Desain Mesin Penanam Padi dengan Mekanisme Jarak Tanam yang Seragam Muhammad Alriz Nur Aftian; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2117

Abstract

General Background Agricultural productivity depends on efficient and uniform planting methods. Specific Background Mechanical rice planting tools are developed to replace manual methods and improve consistency. Knowledge Gap However, limited studies focus on design selection based on systematic evaluation methods for rice planting machines. Aims This study aims to design and determine the best concept of a rice planting machine using the Ulrich and Eppinger method. Results The evaluation shows that Concept A achieves the highest score based on manufacturability, operation, maintenance, and cost criteria, and is capable of planting seedlings with a spacing of 25 cm × 25 cm. Novelty The study applies a structured concept selection approach combined with mechanical system design for rice planting. Implications The proposed design provides a practical solution to improve planting uniformity, reduce labor effort, and support agricultural efficiency. Keywords: Rice Planting Machine, Mechanical Design, Concept Selection, Agricultural Equipment, Planting Mechanism Key Findings Highlights Selected design achieved highest evaluation score Planting pattern maintained consistent grid spacing Integrated mechanism supports synchronized motion
Welding Current Variation Determines Tensile Strength in MIG Joints: Variasi Arus Las Menentukan Kekuatan Tarik pada Sambungan MIG Achmad Surya Wijaya; Mulyadi
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2124

Abstract

General Background: Welding is a critical process in manufacturing that determines the strength and reliability of material joints. Specific Background: Metal Inert Gas (MIG) welding is widely used due to its efficiency, but variations in welding current can significantly affect the mechanical properties of the welded material. Knowledge Gap: The optimal current variation for achieving maximum tensile strength in MIG welding is not always clearly defined for specific materials such as ST 37. Aims: This study aims to analyze the effect of welding current variation on the tensile strength of ST 37 material using the MIG welding method. Results: The findings indicate that different current levels produce varying tensile strengths, with one current variation resulting in the highest tensile strength compared to others. Novelty: The study provides experimental evidence of the relationship between welding current variation and tensile strength in ST 37 material using controlled parameter conditions. Implications: The results can be used as a reference for selecting appropriate welding parameters to achieve stronger and more reliable welded joints in industrial applications. Keywords: Welding, MIG Process, Tensile Strength, Current Variation, ST37 Steel Key Findings Highlights Highest strength observed at specific electrical input setting Mechanical performance varies across tested parameter levels Experimental comparison confirms parameter sensitivity in joining process
Dough Mixer Machine Design Increases Cracker Production Capacity: Desain Mesin Pengaduk Adonan Meningkatkan Kapasitas Produksi Kerupuk Muhammad Anggie Cahya Saputra; Mulyadi; A’rasy Fahruddin; Edi Widodo
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2126

Abstract

General Background: Productivity and consistency are essential factors in food processing industries, particularly in small and medium enterprises. Specific Background: Manual dough mixing in cracker production often results in low efficiency and inconsistent product quality. Knowledge Gap: Limited studies focus on practical machine design that addresses both productivity and consistency in small-scale cracker production. Aims: This study aims to design and develop a dough mixer machine to improve production capacity and mixing consistency. Results: The developed machine demonstrates improved mixing performance, increased production capacity, and more uniform dough compared to manual processes. Novelty: The study presents a practical machine design tailored for small-scale industries with specific capacity considerations. Implications: The results provide a reference for implementing appropriate technology to support productivity improvement in small-scale food production. Keywords: Dough Mixer, Machine Design, Productivity, Small Industry, Food Processing Key Findings Highlights Mechanical system enables higher output compared to manual mixing Process uniformity improves through controlled rotation mechanism Design supports small-scale production requirements
Manufacturing Analysis of Banana Slicer Machine Capacity 59 kg Hour: Analisis Produksi Mesin Pengiris Pisang dengan Kapasitas 59 kg per Jam Nabil Azka Hanani; Mulyadi; Edi Widodo; A’rasy Fahruddin
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2127

Abstract

General Background: Banana processing is an important agro-industrial activity in Indonesia, particularly for producing banana chips with consistent quality. Specific Background: Conventional manual slicing methods are inefficient and result in inconsistent thickness, limiting productivity and product quality. Knowledge Gap: Previous approaches have not fully integrated manufacturing process analysis with time, cost, and performance evaluation in a single machine design. Aims: This study aims to analyze the manufacturing process of a banana slicer machine with a capacity of 59 kg/hour, including time estimation, cost calculation, and performance testing. Results: The manufacturing process consists of cutting, drilling, welding, turning, and milling, resulting in a total production time of 29.63 hours and a total cost of Rp 5,058,262. Performance testing shows that the use of three blades produces the most consistent slice thickness of 2 mm with good quality output. Novelty: The study integrates detailed manufacturing time analysis, cost estimation, and performance evaluation within a single machine development framework. Implications: The findings provide practical guidance for improving production efficiency and product quality in small to medium-scale banana processing industries. Keywords: Banana Slicer, Manufacturing Process, Production Cost, Machine Performance, Agro-Industry Key Findings Highlights Total fabrication duration reached 29.63 hours with structured process stages Optimal blade configuration identified for uniform slice thickness Economic calculation established selling value with defined profit margin
Co-Authors A'rasy Fahruddin Achmad Basori Achmad Lutfi Rahmawan Achmad Surya Wijaya Adinda Dwi Cahayani Agung Budy Wijoyo Ahmad Faishol Ahmad Rehan Ardiansyah Akhmad Ahfas Akhmad Akhirudin Akhmad Surya Wijianto Ali Akbar Ali Akbar Ardhi Shefta Fernanda Arif Rachmandani Arya Hardi Alvian A’rasy Fachruddin Bagus Mulya Harun Bayu Kusuma Atmaja Bayu Surya Ramadhan bhima endra wira yudha Dewi Sartika Dhimas Wahyu Dwi Septian Dwi Putri Maulidhiyah Firnanda Edi Widodo Eko Siswono Erwin Susetyo Hadi Erwin Yuli Susanto Fajar Syahril Kirom Faris Ferdiansyah Fikri Setiawan Galang Amrulloh Hana Catur Wahyuni Irfan Dwi Farilla Iswanto Iswanto Listiari Hendraningsih Lukman Hudi M Fadil M. Hidayatur Rokhim Mochamad Aldhy Saputro Alamsyah Mochammad Alim Huda Mochammad Nur Rizki Mohamad Irvan Akif Setiawan Mohammad Sandoyo Adamsyah Muchamad Reysa Pahlewi Muhammad Alriz Nur Aftian Muhammad Anggie Cahya Saputra Muhammad Fiky Dharmawan Muhammad Iqbal Nur Fadillah Muhammad ‘Athif Istighfarian Nabil Azka Hanani Naufal Rezza Qur’anal Noerdianto Noerdianto Nur Aura Aulia Nisa Prantasi Harmi Tjahjanti Rachmat Firdaus Rahmania Sri Untari Rahmat Firdaus Rendy Rakhmad Fakhrizi Ricky Kurniawan Sigit Hermawan Sintha Wahyu Arista Sriyono Sulis Yulianto Sulton Kamal Mustofa Sulung Wibawansyah Surono, Bambang Sutarman . Syafa Vania Ulhaq Syarifa R N