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All Journal Integral : Jurnal Penelitian Pendidikan Matematika Journal Industrial Manufacturing
Fatkhurozi, Fatkhurozi
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Education Engineering Industrial & Manufacturing Engineering Mathematics

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KEEFEKTIFAN MODEL PEMBELAJARAN COURSE REVIEW HORRAY TERHADAP KEAKTIFAN DAN PRESTASI BELAJAR MATEMATIKA Fatkhurozi, Fatkhurozi; Suwandono, Suwandono; Paridjo, Paridjo
Integral (Jurnal Penelitian Pendidikan Matematika) Vol. 2 No. 1 (2019): November 2019
Publisher : Program Studi Pendidikan Matematika, Universitas Pancasakti Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24905/jppm.v2i1.37

Abstract

Tujuan Penelitian ini adalah untuk membuktikan: (1) Keaktifan belajar peserta didik yang diajar menggunakan model Course Review Horray lebih baik daripada menggunakan model ekspositori, (2) Prestasi belajar peserta didik yang diajar menggunakan model Course Review Horray lebih baik daripada menggunakan model ekspositori, (3) Ada perbedaan keaktifan dan prestasi belajar peserta didik yang diajar menggunakan model Course Review Horray dengan yang menggunakan model ekspositori. Populasi dalam penelitian ini adalah seluruh peserta didik kelas X IPA di SMA Negeri 3 Brebes Kabupaten Brebes dengan jumlah populasi 210 peserta didik dari enam kelas. Metode pengumpulan data yang digunakan adalah teknik dokumentasi, observasi, dan tes. Analisis data yang digunakan adalah (1) uji t pihak kanan pada hipotesis 1 dan 2, (3) uji manova one-way pada hipotesis 3. Dimana sebelumnya data berdistribusi normal dan homogen.Hasil penelitian pada peserta didik kelas X SMA Negeri 3 Brebes dapat disimpulkan : (1) Keaktifan belajar peserta didik yang diajar menggunakan model Course Review Horray lebih baik daripada menggunakan model ekspositori, (2) Prestasi belajar peserta didik yang diajar menggunakan model Course Review Horray lebih baik daripada menggunakan model ekspositori, (3) Ada perbedaan keaktifan dan prestasi belajar peserta didik yang diajar menggunakan model Course Review Horray dengan yang menggunakan model ekspositori.
PENERAPAN KAIZEN UNTUK MENGURANGI LOSS TIME DALAM PENINGKATAN PRODUKTIVITAS MESIN INFRARED WELDING (STUDI KASUS PT. MITSUBA INDONESIA) Hartono, Hartono; Fatkhurozi, Fatkhurozi
Journal Industrial Manufacturing Vol 6, No 1 (2021): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v6i1.4114

Abstract

PT Mitsuba Indonesia is a factory engaged in the manufacture of electrical automotive spare parts. The LED winker lamp is the newest product whose production demand is always increasing. The large demand for LED winker lamp products must of course be balanced with the readiness of production machines which are always in good condition. But in practice, the results of the production achievement are still low, this is due to the high machine loss time, especially in infrared welding machines. This study discusses the application of kaizen which aims to find the causes of loss time, make improvements in order to reduce loss time and determine loss time and productivity after repairs are made. The method used to analyze the causes of loss time is to calculate the value of six big losses and analysis of the cause and effect diagram. The analysis results showed that the idling minor factor and stoppages losses caused by part drop error and the set up and adjustment losses factor caused by a change in the type of production jig. Improvements made to the part drop error were adding 1 set of regulators. Meanwhile, the change in the production jig type is to modify the locking system on the lower and upper heater jig. Based on these improvements, it was able to reduce the loss time to 4.86% and productivity to increase 7.50% in July. Loss time fell 4.70% and productivity increased 7.90% in August.Keywords: LED winker lamp, infrared welding machine, loss time, six big losses, productivity.
Co-Authors Hartono Hartono Paridjo Paridjo, Paridjo Suwandono, Suwandono