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All Journal Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurnal Ekbis (Ekonomi & Bisnis)
Yani Iriani
Universitas Widyatama Bandung
Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Mathematics Social Sciences Other

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ANALISIS RANCANGAN PERBAIKAN DESIGN MOLD DENGAN MENGGUNAKAN METODE TAGUCHI DI PT X Yani Iriani; Sri Lestari; Riki Ridwan Margana; Irfan Rifai
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 4 No. 3 (2023): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v4i3.512

Abstract

PT X Indonesia is one of the Korean Foreign Manufacturing Companies (PMA) that produce injection molding. December 2022 PT X Indonesia received customer complaints from PT. Y  because of defects in products such as: gas burn, white spot, weld line, bending, short shoot, bubbles, flashing, silver, wrong color, and contamination. Flashing is a type of defect that the largest number of ratios reaches 10% while the defect restriction of the customer is 2% so the company and the authors choose the theme of improvement in 2018 is the improvement of molding design to reduce flashing defects in plastic products. The method used in the proposed improvement of molding design is the taguchi method by making 4 point suggestion that is the level 1 slot dimension: Hight 70mm taper 15 °, level 2: Hight 70mm taper 10 °, level 3: High 70mm taper 5 °; insert level 1 dimension: 70mm taper insert 1 °, level 2: 70mm taper deepness insert 2 °, level 3: 70mm taper deepth insert 3 °; clamping tolerance force level 1: + 5%, level 2: + 8%, level 3: + 10% and parting line line length 1: 10mm, level 2: 20mm, level 3: 30mm. The proposed best molding design improvements are in Slast dimensions: Hight 70 mm taper 15 °, Insert: 70mm taper deepness 2 °, clamping force tolerance + 10%, Parting Line Length: 30mm. The smallest flashing flaw was found to be 0.1% in confirmatory experimental conditions, much smaller than the specified target defects of 2%. Cost reduction cost obtained by PT ART Mold Indonesia with the proposed repair on Molding design that is Rp 115.600.000,00 per 1 molding. The cost savings incurred by customers of PT ART Mold Indonesia is worth Rp 784.080.000,00 per year
ANALISIS STRATEGI BAHASA PERSUASIF PADA CAPTION PROMOSI UMKM DI INSTAGRAM DAN IMPLIKASINYA TERHADAP STRATEGI DIGITAL MARKETING Sopyan Sapna; Mochamad Whilky Rizkyanfi; Yani Iriani
Jurnal Ekbis (Ekonomi & Bisnis) Vol 14 No 1 (2026): Juni 2026
Publisher : POLITEKNIK PIKSI GANESHA

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Abstract

The rapid growth of social media has encouraged Micro, Small, and Medium Enterprises(MSMEs) to utilize Instagram as a marketing communication platform through promotionalcaptions containing persuasive language. However, studies on persuasive languagestrategies in MSME promotional captions and their implications for digital marketing remainlimited. This study aims to analyze the persuasive language strategies employed inInstagram promotional captions by MSMEs and examine their implications for digitalmarketing strategies. The research adopted a qualitative approach using qualitative contentanalysis. Data were collected through document analysis of 50 promotional captions from10 Instagram accounts of culinary MSMEs located in Jatinangor, Sumedang, and thesurrounding areas, selected using purposive sampling. The analysis was based on sixindicators: invitation statements, product superiority, promotional offers, urgency, call toaction, and emotional diction. The findings reveal that emotional diction was the mostdominant strategy (100%), followed by call to action (84%), invitation statements (80%), andproduct superiority (74%), while promotional offers (38%) and urgency (26%) were relativelyless utilized. In addition, the most frequently identified strategy combination consisted ofinvitation statements, product superiority, call to action, and emotional diction. This studyproposes a persuasive language strategy framework as a guideline for developing moreeffective MSME promotional captions to support digital marketing strategies. The findingscontribute to the advancement of digital marketing communication studies and providepractical guidance for MSMEs in developing more persuasive and effective promotionalcontent.Kata kunci : Persuasive Language, Promotional Captions, MSMEs, Instagram, DigitalMarketing
Co-Authors Irfan Rifai Mochamad Whilky Rizkyanfi Riki Ridwan Margana Sopyan Sapna Sri Lestari