PT Aneka Star adalah perusahaan manufaklur pembuatan Banking system dan racking system Karma meningkatnya tingkat persaingan industri maka PT. Aneka Star bemsaha meningkatkan kepuasan pelanggan dengan bemsaha memenuhi semua spesiiikasi yang pelanggan. Spesitikasi yang pelanggan inginkan dalam proscs pengecatan seperti ketebalan pengecatan dan tingknt kematangan pengecatan. Metode yang digunakan untuk menekan vmiasi serendah munglcin, digimakan Six Sigma dengan pendekatan statistic, Six Sigma mampu menjadi alat perbaikan l¢l'llS menems. Dengan menggunakan proses yang beijalan saat ini PT. Aneka Star memiliki kemampuan sigma sebesar 3.8 sigma sebagai baseline ldneija tingkax output, dengan analisa mulai dari proses awal pretreatment sampai proses akhir cooling daprat diketahui bahwa kesalahan mama taletak pada proses pretreatment dau proses pengovenan. Sebagai tahap akhir yang dicapai, PT Anekn Star harus membuat suani standar/acuan kerja baku mmtuk pmses pengovennn dan pretreaunent dan juga membuat jadwal preventive mainienance.

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PT. Aneka Star is a manufacturer company which made a banking system and a racking system Because ofthe industry competitive level nowadays so PT. Anoka Star ny to increase statisfying of the customer with ny to complete all the specincation of customer want. Speciiication that the customer want such as the thick of painting and the ripe level of painting. Using statistical base approach Six Sigma methodology is a very good tool for reducing variability and for continuous improvement _ Using current production process PT. Aneka Star could reach the sigma capability as 3.8 sigma as a baseline capability in output level, with the analysis start from the beginning process pretreatment rmtil the end process cooling, the main problem could be identified. The main problem are pretreatment process and curing process. As the conclusion, PT. Aneka Star has to make an accurate work standard for curing and pretreatment and also PL Aneka Star has to make a schedule of preventive maintenance.