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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Metode : Jurnal Teknik Industri CENDEKIA : Jurnal Ilmu Pengetahuan
Ikhsani, Nurfadilah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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STUDI PERBANDINGAN METODE KAPASITANSI DAN METODE PENGOLAHAN CITRA DIGITAL DALAM PENGUKURAN HAIRINESS PADA BENANG SPUN Murti, Wilda; Pradifta, Reski Alya; Wijayono, Andrian; Nurazizah, Verawati; Rusman, Fahmi Fawzy; Ikhsani, Nurfadilah
CENDEKIA: Jurnal Ilmu Pengetahuan Vol. 5 No. 2 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/cendekia.v5i2.4703

Abstract

The objective of this study is to determine the relationship between the capacitance method and the digital image processing method in measuring the hairiness index of yarn, as well as to evaluate the potential of digital image processing as an alternative method for testing spun yarn hairiness. This study utilizes three types of yarn with counts of Nec 12, Nec 16, and Nec 24. Hairiness measurement is conducted using two methods: the capacitance method, based on the SNI ISO 16549:2010 standard (Textiles – Yarn Evenness and Similar Properties), utilizing the Textechno Covatest instrument, and the digital image processing method, employing a CMOS Dino-Lite camera and Java-based software. The digital image processing procedure consists of several stages, including yarn image acquisition, background segmentation and free fiber feature extraction, image conversion to binary format, quantitative analysis, and Hairiness index (HI) calculation. The hairiness index results from both methods are compared using linear regression analysis to determine their correlation. The findings indicate that the capacitance method and the digital image processing method exhibit a very strong relationship, with a coefficient of determination (R²) of 90.23%. This result suggests that the digital image processing method has significant potential as an alternative for measuring spun yarn hairiness. ABSTRAKTujuan penelitian ini adalah mengetahui hubungan antara metode kapasitansi dan metode pengolahan citra digital dalam pengukuran hairiness index pada benang serta mengevaluasi kemungkinan metode pengolahan citra digital sebagai alternatif pengujian hairiness benang spun. Pada penelitian ini, digunakan tiga jenis benang dengan nomor Nec 12, Nec 16, dan Nec 24. Pengukuran hairiness  dilakukan dengan dua metode: metode kapasitansi berdasarkan standar SNI ISO 16549:2010 (Tekstil – Ketidakrataan Benang dan Sejenisnya) menggunakan alat Textechno Covatest, serta metode pengolahan citra digital dengan kamera CMOS Dino-Lite dan perangkat lunak berbasis pemrograman Java. Proses pengolahan citra digital dilakukan melalui beberapa tahap, yaitu akuisisi citra benang, segmentasi latar belakang dan ekstraksi fitur serat bebas, konversi citra ke dalam format biner dan analisis kuantitatif dan perhitungan Hairiness index (HI). Hasil hairiness index dari kedua metode dibandingkan dengan analisis regresi linier untuk mengetahui hubungan antara keduanya. Hasil penelitian menunjukkan bahwa metode kapasitansi dan metode pengolahan citra digital memiliki hubungan yang sangat kuat dengan nilai koefisien determinasi (R²) sebesar 90,23%. Nilai ini menunjukkan bahwa metode pengolahan citra digital memiliki potensi sebagai alternatif dalam pengukuran hairiness benang spun.
Pengaruh Jumlah Twist per meter (TPM) dan Rangkapan Benang terhadap Kinerja Mekanis Benang Gintir Nurazizah, Verawati; Wijayono, Andrian; Rusman, Fahmi Fawzy; Ikhsani, Nurfadilah; Pradifta, Reski Alya; Murti, Wilda
Metode : Jurnal Teknik Industri Vol. 11 No. 1 (2025): Jurnal Metode
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Ply yarn is widely used in high-performance textiles due to its superior tensile strength and durability compared to single yarn. However, the selection of twist per meter (TPM) and the number of plies in ply yarn significantly influences its mechanical properties. This study aims to examine the effect of TPM and the number of plies on the tensile strength and elongation of ply yarn. An experimental approach was employed, varying TPM (550, 650, and 750 TPM) and the number of plies (2 and 3). Tensile tests were conducted to measure the yarn's tensile strength and elongation, while two-way ANOVA statistical analysis was used to evaluate the influence of each variable. The results indicated that TPM and the number of plies significantly affected the tensile strength and elongation of ply yarn (p < 0.05), while their interaction was not significant (p > 0.05). Increasing TPM enhanced tensile strength up to a certain limit before declining, whereas a higher number of plies improved both tensile strength and elongation but also increased yarn stiffness. These findings confirm that an optimal combination of TPM and the number of plies is essential to achieve the best balance between tensile strength and flexibility in ply yarn.
PENGARUH KECEPATAN DELIVERY ROLL TERHADAP NILAI DENSITAS VOLUME GULUNGAN BENANG RANGKAP PADA PROSES DOUBLING Wijayono, Andrian; Nurazizah, Verawati; Ikhsani, Nurfadilah; Rusman, Fahmi Fawzy; Murti, Wilda; Pradifta, Reski Alya
CENDEKIA: Jurnal Ilmu Pengetahuan Vol. 5 No. 3 (2025)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/cendekia.v5i3.5544

Abstract

Yarn winding is a crucial process in the textile industry where the volume density (density) of the roll is an essential quality parameter. The roll density directly affects the yarn tension in subsequent processes such as warping and twisting. The doubling process, which doubles the yarn before the twisting process, requires proper roll density settings to meet standards. This study aims to analyze the effect of variations in the delivery roll speed on a doubling machine on the volume density of doubled yarn rolls. An experimental method was used by making four samples of Ne1 30 cotton yarn at different delivery roll speeds: 150, 300, 550, and 750 meters/minute. Other parameters such as ring tension load (10 grams) and acceleration time (90 seconds) were kept constant for all samples. The experimental results showed a positive trend, where the higher the delivery roll speed, the higher the resulting roll density value. Of the four speed variations, only speeds of 550 and 750 meters/minute were able to produce roll densities according to the twisting process standard (above 0.4 grams/cm³). Statistical analysis using ANOVA also confirmed that the delivery roll speed has a significant effect on the roll volume density (significance value 0.05). Thus, it is concluded that the delivery roll speed is a key parameter that needs to be optimized to achieve the desired double yarn roll density. ABSTRAKPenggulungan benang merupakan proses krusial dalam industri tekstil di mana densitas volume (kepadatan) gulungan menjadi parameter mutu yang esensial. Kepadatan gulungan secara langsung memengaruhi tegangan benang pada proses selanjutnya seperti warping dan twisting. Proses doubling, yang menggandakan benang sebelum proses twisting, memerlukan pengaturan densitas gulungan yang tepat untuk memenuhi standar. Penelitian ini bertujuan untuk menganalisis pengaruh variasi kecepatan delivery roll pada mesin doubling terhadap densitas volume gulungan benang rangkap. Metode eksperimental digunakan dengan membuat empat sampel benang katun Ne1 30 pada kecepatan delivery roll yang berbeda: 150, 300, 550, dan 750 meter/menit. Parameter lain seperti beban ring tension (10 gram) dan waktu akselerasi (90 detik) dijaga konstan untuk semua sampel. Hasil eksperimen menunjukkan adanya tren positif, di mana semakin tinggi kecepatan delivery roll, semakin besar pula nilai densitas gulungan yang dihasilkan. Dari empat variasi kecepatan, hanya kecepatan 550 dan 750 meter/menit yang mampu menghasilkan densitas gulungan sesuai standar proses twisting (di atas 0,4 gram/cm³). Analisis statistik menggunakan ANAVA juga mengonfirmasi bahwa kecepatan delivery roll memberikan pengaruh yang signifikan terhadap densitas volume gulungan (nilai signifikansi 0,05). Dengan demikian, disimpulkan bahwa kecepatan delivery roll merupakan parameter kunci yang perlu dioptimalkan untuk mencapai densitas gulungan benang rangkap yang diinginkan.
Morphological and Structural Characterization of Pineapple Leaf Fibers: Implications for Eco-Friendly Textile Applications Darmawi, Ahmad; Parmawati, Sih; Ikhsani, Nurfadilah; Fahad
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November: In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.10784

Abstract

Natural fibers from pineapple leaves (Ananas comosus L.) are a potential renewable resource, but their characteristics are highly dependent on their geographical origin. This study aimed to characterize the physico-mechanical properties and morphology of pineapple leaf fibers (PALF) sourced from local farmers in Kediri, East Java. Characterization was conducted at an accredited testing institution using SNI standards, covering fineness, bundle tenacity, and Scanning Electron Microscopy (SEM) observations. The results revealed that the fibers exhibited an average fineness of 33.7 dtex and a tenacity of 23.20 g/tex. Morphological analysis showed a course, multi-cellular, and dense fiber structure. Based on these findings, it is concluded that these PALF demonstrate greater potential for applications in technical textiles and as reinforcement in bio-composite materials rather than as a raw material for apparel yarn.
Co-Authors Darmawi, Ahmad Fahad Murti, Wilda Nurazizah, Verawati Pradifta, Reski Alya Rusman, Fahmi Fawzy Sih Parmawati Wijayono, Andrian