ANALISIS PENGENDALIAN KUALITAS PENGANTONGAN PUPUK NPK PHONSKA DENGAN MENGGUNAKAN STATISTICAL PROCESSING CONTROL (SPC) PADA PENGANTONGAN 02/03 PRODUKSI II A PT. PETROKIMIA GRESIK

Abstract

This study aims to analyze whether the quality control of NPK
Phonska fertilizer feeding at bagging 02/03 production II A PT.
Petrokimia Gresik is controlled or not controlled as well as finding the
causes of product defects in the company. In this study the method of
analysis is using Statistical Process Control, which is a process used to
monitor standards, making measurement and taking corrective action
while a product or service is being produced. Informants in this study
amounted to 13 people. Data retrieval techniques use observation,
interviews and documentation. The results of this study indicate that the
quality control NPK Phonska fertilizer feeding at bagging 02/03
production II A PT. Petrokimia Gresik is still not under control, with
defect of 1,17% in 15 days. Type most defect that frequently happen is the
bag broke as much 3.860 pcs with a percentage of 48,92%. While the
weight of the scales is not appropriate as much 3.158 pcs with a
percentage of 40,03% and for bag leak as much 872 pcs with a
percentage of 11,05%. From the results of field observation and
interviews, the factors that cause this defect is human, machine,
environtment, work method, and raw materials.

 

DOI : 10.5281/zenodo.3475660