Abstract
One of many kinds of production processes in Politeknik Manufaktur Astra is Plastic Injection Process with ABS material. This process will produce plastic and scrap. The amount of plastic scrap that is produced by this process reaches 50% of all of the amount. To increase the efficiency of ABS material and build up the culture of Sustainable Development System so that is done a kind of research that is focused on the utilization of plastic waste material from Process of Plastic Injection by doing a recycle process and using the product of recycle as the basic additive material in Plastic Injection Process. To figure out the properness of the material of recycled plastic as the main material in Plastic Injection Process so is also done a tensile test to any composition of recycled ABS material and valuing certain mechanical properties that are similar to original ABS material. Moreover to cut the cost of ABS material providing so is done an analysis of material reservation with EOQ method to figure out the economic number of material reservation. The calculation of EOQ showed the most economic amount per reserving is 75kg/reserve. By the utilization of recycled material and usage of EOQ method on providing the ABS material so that Politeknik Manufaktur Astra can do a cost reduction for 36%.
Highlights
PENDAHULUAN Perhatian terhadap masalah lingkungan hidup mulai meningkat dan menjadi isu global ketika konferensi PBB mengenai lingkungan hidup pertama diadakan pada tanggal 5 Juni 1972 di Stockholm, Swedia.Pada pertemuan tersebut, negara-negara sepakat memperbaiki lingkungan dan menyelamatkan bumi
To increase the efficiency of Acrylonitrile Butadine Styrene (ABS) material and build up the culture of Sustainable Development System so that is done a kind of research that is focused on the utilization of plastic waste material from Process of Plastic Injection by doing a recycle process and using the product of recycle as the basic additive material in Plastic Injection Process
To figure out the properness of the material of recycled plastic as the main material in Plastic Injection Process so is done a tensile test to any composition of recycled ABS material and valuing certain mechanical properties that are similar to original ABS material
Summary
Berikut adalah tahapan pendaurulangan sampah plastik menjadi biji plastik: 1. Pemisahan: sampah plastik harus dipisahkan dari material sampah lainnya. 2. Pemotongan: sampah plastik yang sudah dipisahkan kemudian dipotong-potong sesuai dengan kebutuhan. 3. Pencucian; sampah plastik yang sudah menjdi potongan-potongan ini harus dicuci untuk membersihkannya dari zat-zat tertentu yang tidak dibutuhkan. 4. Penggilingan; setelah dicuci, sampah plastik kemudian digiling agar menjadi biji plastik. 5. Biji plastik yang telah diolah inilah yang akan dikirim ke pabrik pengolahan produkproduk daur ulang. Proses Injeksi Plastik Injection molding adalah proses pembuatan part-part yang berlainan, yang dapat memiliki penampang yang kompleks dan bervariasi, serta berbagai tekstur dan karakteristik permukaan dengan cara menyuntikkan material plastik leleh ke dalam mold mengguanakan screw
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