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ITS » Undergraduate Theses » Teknik Industri - Ekstensi
Posted by astutiknq@its.ac.id at 19/05/2010 13:35:13  •  3177 Views


APLIKASI QUALITY CONTROL UNTUK PERBAIKAN KOMPONEN SLIDER PADA PRODUK HANDLE STUDI KASUS DI PT. ARTO METAL

Author :
KURNIAWAN, NANDA ( 2599109014 )




ABSTRAK

Industri menengah dalam bidang metal forming di Indonesia mulai dipercaya oleh consumer lokal dan luar negeri untuk memproduksi part komponen dari sebuah produkwalaupun defect rate dan variabilitas spesifikasinya masih relatif tinggi. Hal ini dialami oleh PTArto Metal yang merupakan perusahaan manufaktur dalam bidang metalforming dimana saat ini perusahaan dipercaya oleh meancontractornya untuk memproduksi komponen slider. Komponen slider adalah bagian dari produk handle alat penggorengan dengan bentuk berupa kawat yang diperoleh melalui proses bending yang mana selama ini perusahaan memiliki spesialisasi untuk proses bending material yang berbentuk plat. Jenis teknologi pada proses produksi yang baru dikenal ini menyebabkan hasil dari proses produksi tidak sesuai dengan ukuran spesifikasi yang diinginkan oleh consumer serta memiliki variabilitas yang cukup tinggi. Variabilitas dimensi komponen slider menyebabkan ketidakstabilan dari produk handle ketika dirakit dengan alat penggorengan padahal aspek kualitas teknis dari produk yang diinginkan adalah handle yang stabil. Sebagai solusi perusahaan melakukan reworking pada proses produksinya. Penelitian ini bertujuan untuk mencari faktor penyebab terjadinya cacat mengukur tingkat efektifitas dan kapabilitas dari proses reworking untuk mereduksi cacat menentukan CTQ vital dari faktor penyebab cacat sebagai prioritas utama perbaikan dan mencari metode perbaikannya. Untuk dapat merealisasikannya dilakukan siklus aktivitas pemecahan masalah dengan tahapan Potret Evaluasi Tempi dan Aplikasi PETA. Didalam tahap potret dilakukan pengidentifikasian pengukuran kemampuan proses produksi saat ini dan analisa terhadap obyek yang dijadikan proyek peningkatan kualitas sampai ditemukan prioritas utama perbaikan pada tahap evaluasi dilakukan analisa penyebab terjadinya cacat sampai ditemukan faktor yang paling berpengaruh secara dominan melalui brainstorming pada tahap terapi dilakukan bentuk-bentuk rencana treatment untuk mengurangi cacat dan pada tahap aplikasi dibuat mekanisme kontrol proses produksi secara simulasi dengan membuat rancangan eksperimen. Hasil dari penelitian diperoleh bukti bahwa reworking tidak efektif dalam mereduksi cacat bahkan variabilitas spesifikasi meningkat sebesar 781 dari nilai awal faktor-faktor penyebab cacat karena adanya gaya spring back pengarnh bentuk stopper bentuk dan ukuran dies jarak punch terhadap dies mesin dan kesalahan operator. CTQ vital penyebab cacat adalah proses bending 3 sudut 97730 dengan kontribusi 6365 . Metode perbaikan yang direkomendasikan adalah penggunaan over dies bentuk stopper barn pada mesin mengatur setting punch terhadap dies dan memberi pelatihan khusus kepada operator.


ABSTRACT

Midsize scale Industrial in the field of metal forming in Indonesia start trusted by local consumer and abroad to produce the part component from a product although defect rate and its variability specification still be high relative. This matter experienced of by Metal PT.ARTO representing manufacturing business in the field of metal of forming where in this time company trusted by its partner contractor to produce the slider component. Slider component is the part of product handle of frying appliance which is the form of the metal obtained by through bending process which during the time company own the specialization to process material bending which form of material is plate Technological type at new production process recognized cause the result from production process of disagree with size measure of specification wanted by consumer and also own the variability which high enough. Dimension variability of slider component cause the instability from product handle when assembling by means of frying handle though technical quality aspect from product wanted by stable handle. As company solution conduct the reworking of its production process. This research aim to to look for the cause factor of the happening of defect measuring storey measure the level of capability and effectivity of the reworking process to reduce the defect determining vital CTQ from handicapped cause factor as especial priority of repair and look for the alternative way to repair slider component. To realize it conducted by cycle of trouble-shooting activity with the step Make a Potret Evaluation Therapy and Application PETA. In phase make a potret done by a identifying measurement of ability production process in this time and analyse to object of taken as project make-up of quality found by a especial priority of repair at phase evaluate done by a cause analysis of the happening of defect found by a most having an effect on factor dominantly through brainstorming at therapy phase done by a forms plan the treatment to reduce defect and at aplication phase done by make control mechanism of production process with simulate the process by making experimental design. Result from research obtained by evidence that reworking is not effective in reducing defect even variability of slider dimension mount equal to 781 from value of early defect factors caused by its style of spring back influence form of the stopper form and dies size measure apart to punch in to machine dies and operator mistake. Vital CTQ of defect cause is process bending 3 angle 97730 with the contribution 6365 Repair method recommended by use overdies form the new stopper at the machine arranging setting punch in to dies and give the specialized training to operator.



KeywordsPETA; CTQ ( critical to quality ); Slider; Reworking; Spring back; Brainstorming; Dies; Stopper; Bending
 
Subject:  Kontrol kualitas
Contributor
  1. Ir. Mokh. Suef, M. Sc (Eng)
  2. Erwin Widodo, ST.
Date Create: 19/05/2010
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-3100005021590
Collection ID: 3100005021590


Source
Undergraduated Thesis of Industrial Engineering Department, RSI 658.562 Kur a, 2004

Coverage
ITS Community Only

Rights
Copyright @2004 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library




[ Download - Open Access ]

  1.  ITS-Undergraduate-9963-2599109014-Abstract_id.pdf - 78 KB
  2.  ITS-Undergraduate-9963-2599109014-Abstract_en.pdf - 73 KB
  3.  ITS-Undergraduate-9963-2599109014-Conclusion.pdf - 279 KB




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