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Journal : Majalah Ilmiah MOMENTUM

ERROR COMPENSATION OF A GRINDING MACHINE TOOL SPINDLE BY OPTIMIZATION DESIGN Khairul Jauhari; Achmad Widodo; Ismoyo Haryanto
JURNAL ILMIAH MOMENTUM Vol 11, No 2 (2015)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v11i2.1381

Abstract

Abstrak Dalam makalah ini, kesalahan radial dari spindle mesin gerinda CNC presisi tinggi yang diakibatkan oleh pengaruh gaya unbalance telah diamati. Poros spindle dianggap sebagai rotor fleksibel yang didukung oleh dua buah angular contact ball bearing. Metode elemen hingga (FEM) telah diadopsi untuk mendapatkan persamaan gerak spindle. Dalam studi ini, pertama, frekuensi natural, kecepatan kritis dan amplitudo respon unbalance ditentukan terlebih dahulu agar dapat diketahui bagaimana bentuk dari perilaku dinamiknya. Kemudian, teknik optimasi desain digunakan untuk meminimalkan perpindahan radial pada spindle yang melibatkan parameter seperti diameter poros, karakteristik dinamik bearing, kecepatan kritis dan amplitudo respon unbalance, selain itu juga untuk mendapatkan diameter poros, kekakuan serta redaman bearing yang seoptimal mungkin. Hasil simulasi numerik telah menunjukkan bahwa dengan mengoptimumkan diameter poros, kekakuan bearing dan redaman bearing, kesalahan  radial dari spindle dapat dikurangi. Spindle dengan kesalahan radial sekitar 4µm dapat dikompensasi dengan kepresisian menjadi 2 µm.   Kata kunci: kesalahan radial, metode elemen hingga, optimum desain, spindle gerinda presisi tinggi.   Abstract In this paper, radial displacement error of a high precision spindle grinding caused by unbalance force was studied. The spindle shaft is considered as a flexible rotor supported by two pairs of angular contact ball bearing. The finite element method (FEM) have been adopted for obtaining the spindle equation motion. In this study, firstly, natural frequencies, critical frequencies and amplitude of unbalance response caused by residual unbalance are determined in order to investigate the spindle behaviors. Further more, an optimization design technique is conducted to minimize radial displacement of the spindle which considers shaft diameters, dynamic characteristics of the bearings, critical frequencies and amplitude of the unbalance response, and computes optimum spindle diameter and stiffness and damping of the bearings. Numerical simulation results show that by optimizing the shaft diameters, and stiffness and damping in the bearings, radial displacement of the spindle can be reduced. A spindle about 4 µm radial displacement error, can be compensated with 2 µm accuracy.   Keywords: finite element method, high precision spindle grinding, optimization, radial displacement error.
Co-Authors ., Suwoko A., Kriscahya R. Abdul Rachman Syam Tuasikal Abdulloh, Ajeng Intan Mahardika Achmad Hidayatno Adi Pranoto, Adi ADITYA MAULIDIN, BAREP Advendi Kristiyandaru Agus Hariyanto Agus Suprihanto Ahmad Abdul Rozak Ahmad Herjuno Satrio W Ali Djamhuri Alkatiri, Thoriq Munir ANDUN SUDIJANDOKO ANGGIA SWASTIKA, WIDI Annas, Amsal Anung Priambodo Anwar, Miftahul Anwar, Yusran Anwari, Aulya Safiyna Nuuril Ardynugraha, Ivan Dwi Hascaryo Arif Bulqini Arif Sudrajat Arya Ramadhan, Iqbal Ayubi, Novadri Azzaro Hafidz Ramadhan Bagus Sajiwo, Bagus Baharuddin, Ayub Bahauddin, Muhammad Arja Bawono, Mokhamad Nur BAYU PUTRO, ANDIKA Bikalawan, Sauqi Sawa Budi Setiyana Budi Setiyana Budiman, Bentang Cahaya Ramadhan CANDRA DWI SATRIAPUTRA, GUSTI Canggih Nugroho Cipta Nur Akbar David Titian Wiranata Dega Surono Wibowo, Dega Surono Deni Dwi Darmawan Desto, Mochamad Krisna DIAH LUTFI NURHAYATI, CICI Diahsty Marasabessy, Munira Dimas Bimo Nugroho Dio Akmal Prayoga Djoeli Satrijo Dwi Cahyo Kartiko DWI PRIHATINI, AGUS dwi pudyastuti, dwi Dwiyanto, Andreas Dzaky Nauvalika Ramadhani Efendi, Yusuf Endang Sri Wahjuni, Endang Sri Endhy Priambodo Fachrezi, Muhammad Fachru Faisal Yusuf Tornado Fajar Nur Hidayat FAJAR RAMADHAN, MOCHAMMAD Fajar Septianto Falah, Bahtiar Fatchurrahman, Faried Fikri, Muhammad Dzul Firmansyah, Awang FITHRONI, HIJRIN Fitra Nur Huda Galih Gugus Setyoaji Gatot Yulianto Gigih Pribadi Gigih Siantoro Hakim, Abdul Aziz Harindra W Pradhana, Harindra W Harindra Wisnu Pradhana Haryadi, Gunawan HERI WAHYUDI HIDAYATULLOH, RIFKY HIMAWAN WISMANADI Imam Suhaimi, Imam Imam Syafii, Imam Iman Agus Raharjo Indhitya R Padiku Irmantara Subagio Ismoyo Haryanto Ismoyo Haryanto Isna, Nura Maulida Ivan Dwi Hascaryo Ardynugraha J. Jamari JANNAH, SYAIFATHUL Joga Dharma Setiawan Kafrawi, Fatkur Rohman Kamta Kamta Kevin Razak Alfattah Khairul Jauhari Khuddus, Lutfhi Abdil Kolektus Oky Ristanto Kristiyanto, Dionysius Abdi Kumaat, Noortje Anita Kusuma, Donny Kusuma, I Dewa Made Aryananda Wijaya Kusworo Adi Latief Rozaqi Miftachur Robani, Miftachur Moh. Arozi Mohammad Faruk Muarif, Jagat Shine Muchamad Arif Al Ardha MUFID ABDILLAH, ACHMAD Muhammad Dafa Maulana Muhammad Muhammad Munadi Munadi Murtadho, Muhammad Muchid Muslim, Asep Aziz Muthohir, Toho Cholik Nazaruddin Sinaga Noor Azizah NURHADI NURHASAN Nurhasan Nurhasan, Nurhasan Nusar Hajarisman Oce Wiriawan Ojo Kurdi Ojo Kurdi OKTA AVIA MARTHA, PRISKA Pandyagalih Jayanimitta Panenggak, Nur Syahadati Retno Pangestu, Aldian Dwi Pembayun, Nur Shanti Retno Pradika, Eky Fortuna Pramono, Sigit Eko Pranatagama, Sultan Alif Prasetya, Muhammad Reza Aziz Pribadi, David Rinekso Pudjijuniarto, Pudjijuniarto Pungkas Satria PUTRA NUSANTARA, BAGUS Radhi Maladzi Ragil, Ragil Ar Rasyid RAHAYU NINGSIH, JULITA Rahmawati, Laelly Ratmono, Bella Adik Ayu Reni Reni, Reni Rif'an Rif'an RINO TRIADIANSYAH, MOHAMMAD RISTIAWAN, BAYU Rizka Rosyadi Rizky Patria Nevangga RIZQI MUSYAFA, MUHAMMAD RIZVI, M.TAHAJJUDIN ROESDIANTO, ALDY ROY JANUARDI IRAWAN Rusdiawan, Afif Sahid Sahid Santosa, Sigit Santoso, Muhammad Naufal Anditya Sari, Dini Aquylaria Satria Ika Dinwasiba Satria, Pungkas Satrio Budi Prasojo, Satrio Budi Satya, Ibrahim Sholikhah, Anindya Mar'atus Sigalingging, Boy Betman Solikah, Nur Luthfiatus Sri Nugroho Subagio , Irmantara Suganda, Dhenada Dhyo Sugeng Widada Sugeng, Imam Suliadi SULISTYARTO, SONI Supriyadi, Stevanus Gatot Suryono Suryono SUSANTO WIBISONO, FARID Susanto, Indra Himawan Susilo Adi Widyanto Sutawanir Darwis Suwoko . Suwoko Suwoko Suwoko Suwoko Syamsul Arifin TAMAMMUDIN, MUHAMMAD Taufiq Hidayat THORIQ AL MUNDIRI, M Toni Prahasto Try Hadmoko Tsaniyah, Nufi Saidatus Udi Harmoko Ufairah, Nabila Nur Wahyu Caesarendra wahyu Firmansyah, Moh. WARDA S HATTA, HALIM Yoga Prasetya Yusuf Dewantoro Herlambang Zudi Zukron Amin ZUMMAH, SYAIFUDDIN