Iswanto
Program Studi Teknik Mesin, Fakultas Sains dan Teknologi, Universitas Muhammadiyah Sidoarjo

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Machining Constraint Analysis of CNC Turning in the Manufacturing Process of Titanium Ti-6Al-4V ELI Bone Screw Implants: Analisis Kendala Pemesinan CNC Turning pada Proses Manufaktur Implan Bone Screw Material Titanium Ti-6Al-4V ELI Adinda Eka Putri; Iswanto
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v10i1.3150

Abstract

General Background Orthopedic surgical fixation relies on implants manufactured from materials combining high strength-to-weight ratios with superior biological compatibility. Specific Background The automated fabrication of these cylindrical components using Ti-6Al-4V ELI alloys presents severe manufacturing difficulties due to the material's low thermal conductivity and reactive chemical properties. Knowledge Gap While studies frequently address theoretical cutting forces, comprehensive strategies integrating continuous chip management, accelerated cutting tool degradation, and structural deflection within active industrial production environments remain underexplored. Aims This study investigates specific mechanical issues encountered during the automated shaping of medical fixations and implements integrated corrective strategies to optimize production stability. Results Qualitative observation and field inspections identified continuous chip nesting that scratches surfaces, rapid tool degradation due to concentrated thermal accumulation, and dimensional tapering exceeding the ±0.04 mm tolerance caused by radial deflection. Applying focused, high-pressure emulsion fluid broke the chips into manageable segments and dissipated accumulated thermal energy, significantly reducing tool degradation. Furthermore, structurally securing the workpiece utilizing a tailstock support system effectively countered radial deflection, reducing dimensional deviation to a compliant +0.018 mm. Novelty The research establishes a direct, field-tested integration of fluid dynamics optimization and physical structural reinforcement for precision medical component manufacturing. Implications Combining targeted fluid applications with rigid structural support eliminates surface defects, preserves cutting tool integrity, and strictly conforms to stringent medical dimensional tolerances. Highlights: Low thermal conductivity concentrates cutting heat, accelerating tool degradation during automated shaping. Targeted emulsion fluid application effectively manages thermal accumulation and fragments continuous chips, eliminating surface scratches. Implementing structural workpiece supports counters radial deflection, reducing dimensional deviations well within the ±0.04 mm quality threshold. Keywords: Implant Fabrication, Cutting Tool Degradation, Radial Deflection, Coolant Optimization, Surface Roughness
Routine Maintenance and Troubleshooting Glue Roll Machines in the Shoe Material Gluing Process: Pemeliharaan Rutin dan Trobleshooting Mesin Roll Lem pada Proses Pengeleman Bahan Sepatu Muhammad Dzikrul Muqorrobin; Iswanto
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/kdt8rp44

Abstract

General Background: Industrial manufacturing systems heavily rely on consistent mechanical operations to sustain continuous output and product quality. Specific Background: In footwear manufacturing, glue roll machines play a essential role in applying adhesive evenly across footwear components. Knowledge Gap: Unplanned machine breakdowns caused by hardened adhesive accumulation, improper roll gap alignment, and irregular maintenance lead to operational disruptions and increased reject rates. Aims: This study evaluates routine maintenance protocols and systematic troubleshooting methodologies to preserve machine operational stability and minimize production downtime during the gluing process. Results: The implementation of structured cleaning routines using glue thinners, proper gap settings, and physical inspections returned machine performance to normal levels, improved roll rotational stability, and achieved uniform adhesive distribution. Novelty: The study details a practical maintenance procedure integrating mechanical roll disassembly with proactive false-echo and alignment verification tailored for industrial shoe gluing applications. Implications: Implementing these maintenance practices prolongs equipment lifespan, reduces operational downtime, and optimizes footwear manufacturing efficiency. Key Findings Highlights Implementation of systematic cleaning and roll gap adjustments prevents adhesive buildup and stabilizes rotation. Proactive troubleshooting techniques quickly resolve roll pressure fluctuations and minimize unscheduled production downtime. Regular preventive maintenance improves adhesive application uniformity and extends the service life of industrial machinery. Keywords Glue Roll Machine, Routine Maintenance, Machine Troubleshooting, Gluing Process, Production Efficiency
The Effect Of HSS Tool Wear During Theturning Process on A Conventional Lathe: Pengaruh Keausan Pahat HSS Pada Saat Melakukan Proses PembubutanPada Mesin Bubut Konvensional Muhammad Ferdimas Robi Wardana; Iswanto
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/x5rd3k94

Abstract

General Background: Conventional lathe turning processes remain widely utilized across manufacturing industries and educational workshops due to their operational simplicity and flexibility. Specific Background: The quality of turned components heavily depends on the condition of the cutting tools used, where tool wear during cutting operations reduces workpiece surface quality. Knowledge Gap: Existing practices often lack comprehensive quantification regarding how varying spindle speeds and feed rates accelerate mass loss and surface degradation in conventional setups. Aims: This study aims to analyze the effect of high-speed steel tool wear on surface roughness during conventional lathe operations using varying spindle speeds and constant feed rates. Results: The findings indicate that tool wear increases proportionally with higher spindle speeds and larger feed rates, directly resulting in higher workpiece surface roughness. Novelty: This research provides an accessible evaluation of mass-loss tool wear utilizing two distinct feed rates across multiple spindle speeds without requiring microscopic equipment. Implications: Monitoring tool wear and optimizing cutting parameters are vital for maintaining machining precision and industrial productivity. Key Findings Highlights Tool wear values increase significantly alongside higher spindle speeds due to elevated cutting temperatures and friction. Larger feed rates induce greater cutting forces, leading to accelerated tool wear compared to smaller feed rates. Advanced tool wear directly diminishes cutting stability, producing rougher workpiece surfaces. Keywords Conventional Lathe, Tool, Tool Wear, Hss Tool, Turning Process
Redesign and Remanufacturing of Packaging Machine: Perancangan Ulang dan Pembuatan Kembali Mesin Packaging Muhammad Arya Nanda Ulul Azmi; Iswanto
Procedia of Engineering and Life Science Vol. 10 No. 1 (2026): Proceedings of the 9th Seminar Nasional Sains 2026
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/qte9dg98

Abstract

General Background: Industrial automation relies heavily on robust structural frameworks to maintain mechanical stability during automated operations. Specific Background: Packaging machines require precise structural frames to support integrated mechanical components, sheet metal housings, and distribution hoppers. Knowledge Gap: Standard frame designs often lack structural integration between conventional hollow-section steel fabrication and precision-formed sheet metal brackets. Aims: This study aims to redesign and develop a multi-tiered packaging machine frame using three-dimensional Computer-Aided Design (CAD) modeling, Computer Numerical Control (CNC) laser cutting, and hydraulic sheet metal bending. Results: The design process yielded three-dimensional models and two-dimensional technical working drawings ready for manufacturing, confirming zero component interference during visual geometric evaluations. Novelty: This research provides an integrated redesign methodology combining CAD software visualization with precision CNC laser cutting and bending for sheet metal machine frames. Implications: Implementing this structural design approach provides an actionable manufacturing reference for producing stable, high-precision packaging machine frames in industrial applications. Key Findings Highlights Three-dimensional CAD modeling enables geometric interference verification between structural frames and mounting brackets before fabrication. Combining conventional frame fabrication with CNC laser cutting produces precise sheet metal brackets and mounting components. Hydraulic bending transforms laser-cut flat sheet patterns into functional three-dimensional structural supports for packaging systems. Keywords Cad, Cnc laser cutting, Machine frame, Packing machine, Redesign