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All Journal Jurnal Ilmiah Teknik Industri PERFORMA : Media Ilmiah Teknik Industri
Lobes Herdiman
Sebelas Maret University
Engineering Industrial & Manufacturing Engineering

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Penerapan Line Balancing pada Lintasan Sewing Proses Produksi Apparel Perusahaan Garmen Puspa Dhewi Batik Mukhtar Anggit Novianto; Lobes Herdiman
Performa: Media Ilmiah Teknik Industri Vol 18, No 2 (2019): Performa: Media Ilmiah Teknik Industri
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.18.2.26318

Abstract

Perusahaan Garmen Puspa Dhewi Batik bergerak di bidang industri garmen yang memproduksi secara make to order. Tujuan dari penelitian ini adalah untuk meningkatkan efisiensi keseimbangan lini produksi pada lintasan sewing. Lintasan sewing dipilih sebagai objek penelitian karena lintasan tersebut memiliki waktu proses yang paling lama. Dalam upaya peningkatan efisiensi tersebut digunakan metode line balancing berdasarkan perhitungan Standard Minute Value dengan memperhatikan pitch time, under control limit, dan upper control limit. Perhitungan line balancing dilakukan untuk meningkatkan efisiensi keseimbangan lintasan sewing dengan melakukan perubahan pada elemen kerja berdasarkan pitch time. Melalui metode ini didapatkan balance efficiency sebesar 85% pada lintasan sewing. Perubahan juga terjadi pada elemen kerja yang terdiri dari 23 elemen kerja menjadi 21 elemen kerja. Setelah perhitungan line balancing didapatkan rata-rata hasil produksi pada lintasan sewing setiap jamnya sebesar 61 pcs dan setiap harinya sebesar 495 pcs.
Study of 3D Printing Layered Fiber Fabric Filaments as an Alternative to Polypropylene Materials in Ankle Foot Orthosis for Children with Cerebral Palsy Muhammad Fiqran Alauddin; Susy Susmartini; Lobes Herdiman
Jurnal Ilmiah Teknik Industri Vol. 22, No. 1, June 2023
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v22i1.21433

Abstract

Children with CP in the moderate category need to use AFO to be able to walk. AFO products with PP materials used by CP children have drawbacks because the design needs of CP children are different. The application of additive manufacture by adding a layer of fiber fabric expected to replace PP materials. The basic materials for making AFO are PLA, ABS, PETG and PC filaments with carbon and texalium fabric types. Tests are carried out through tensile and impact tests to obtain tension and impact values. The treatment factors used in the process of making specimen are lamination, type of filament, and thickness. This study uses a factorial design model, to determine the significance value of each factor using ANOVA. The results show a polycarbonate filament layered with carbon fabric with a tension of 301.064 MPa, and an impact of 40.68 J/m.
Perbaikan Sistem Joint antara Strut dan Ring pada Eksternal Fiksasi Berbasis Hexapod untuk Meningkatkan Fleksibilitas Rekonstruksi Tulang Yustine Intan Dwi Wijaya; Susy Susmartini; Lobes Herdiman
Performa: Media Ilmiah Teknik Industri Vol 18, No 1 (2019): Performa: Media Ilmiah Teknik Industri
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.18.1.25134

Abstract

An external fixation is a hexapod-based medical aid to support the process of bone reconstruction due to bone deformity. On the market, there are several hexapods based external fixation with various designs. The well-known external fixation product in the doctor's environment is the Taylor Spatial Frame (TSF) consisting of two rings and six telescopic struts with a joint system using a universal joint. TSF tools have been successfully created by the Industrial Engineering Planning and Design laboratory of the Faculty of Engineering, Universitas Sebelas Maret, Surakarta. The design of this TSF is to correct bones with extreme angles, but the angle range between the struts cannot be reached according to the target specifications. Another weakness in this TSF design is the backlash in the universal joint component. This study aims to improve the joint system between strut and ring, to eliminate the potential of backlash, to be safe for the user and the strut-ring angle range can be reached at an angle of 30°. Design improvements are carried out with the generic product development process to select alternative repair concepts that emphasize safe for users, then test using finite elements to assess safety factors and displacements. The result is a chosen design concept with an angle range at the external fixation between the strut rings approaching an angle of  30°.
Co-Authors Muhammad Fiqran Alauddin Mukhtar Anggit Novianto Susy Susmartini Yustine Intan Dwi Wijaya