Pengendalian Kualitas dalam Mengurangi Defect Produk Jamur Kancing dalam Kaleng dengan Metode Six Sigma pada PT Suryajaya Abadiperkasa

Abstract

Canned champignon is one of the superior products of PT Suryajaya Abadiperkasa. When there are many defects on the final product, i.e. the quality does not meet the company standard, then it will be resulted in the rejection of the products. Defect canned champignon products in PT Suryajaya Abadiperkasa consists of six categories that include broken, brown spot, stem too long, size, miss forming, open veil. The implementation of DMAIC (Define, Measure, Analyze, Improve, Control) and six sigma method successfully evaluates the quality of canned button mushroom products at PT Suryajaya Abadiperkasa. Broken, size, and openveil are the three main defect that most affect the quality of canned button mushroom products because it covers 81.50% of production before repairs are made. The value of defect per million opportunities (DPMO) and sigma canned button mushroom products of PT Suryajaya Abadiperkasa before improvement was 379,459 and 1.81 respectively. The values of DPMO and sigma canned button mushroom products after improvement were 245,307 and 2.19 respectively. Improvement efforts by conducting regular supervision and briefing to workers have been shown to lower the DPMO value by 134,152 and increase the sigma value by 0.38.

Produk jamur kancing kaleng merupakan salah satu produk unggulan dari PT Suryajaya Abadiperkasa. Jika banyak ditemukan defect pada produk akhir, yaitu jika kualitas tidak memenuhi standar perusahaan, maka dapat berakibat produk akan ditolak (reject). Defect produk jamur kancing kaleng di PT Suryajaya Abadiperkasa terdiri dari enam kategori yang meliputi broken, brown spot, stem too long, size, miss forming, openveil. Implementasi metode DMAIC (Define, Measure, Analyze, Improve, Control) dan six sigma berhasil mengevaluasi kualitas produk jamur kancing kaleng di PT Suryajaya Abadiperkasa. Defect broken, size, dan openveil merupakan tiga kerusakan utama yang paling mempengaruhi kualitas produk jamur kancing kaleng karena mencakup 81,50% produksi sebelum dilakukan perbaikan. Nilai defect per million opportunities (DPMO) dan sigma produk jamur kancing kaleng PT Suryajaya Abadiperkasa sebelum perbaikan yaitu 379.459 dan 1,81. Nilai DPMO dan sigma produk jamur kancing kaleng setelah perbaikan yaitu 245.307 dan 2,19. Upaya perbaikan (improvement) dengan melakukan pengawasan dan pengarahan secara rutin kepada pekerja telah terbukti dapat menurunkan nilai DPMO sebesar 134.152 dan meningkatkan nilai sigma sebesar 0,38.