Case Study Bayfield Mud Company Essay
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1. What is your analysis of the bag weight job?

The job Begin when Wet-Land Drilling. Inc. had filed a ailment that the bags it received from Bayfield were short-weight. harmonizing to old direct the weight of the bags used to be 50 lbs. nevertheless the new reachings show a weight of 47. 5 lbs per bag. doing a struggle to the company. The company present the job as a increased of demand. engaging new employees with a deficiency of preparation. new employees occupy the dark displacement. where old employees check the production. nevertheless the dual checking of the bag still a job to the company. First of all we need to analyse and happen the mistakes the procedure could hold. caused by the increased of demand and a deficiency of control due the old employees. for the analysis I will utilize the Statistical Process Control ( SPC ) .

Statistical procedure control ( SPC ) involves utilizing statistical techniques to mensurate and analyse the fluctuation in procedures. Most frequently used for fabrication procedures. the purpose of SPC is to supervise merchandise quality and maintain procedures to fixed marks. Statistical quality control refers to utilizing statistical techniques for mensurating and bettering the quality of procedures and includes SPC in add-on to other techniques. such as trying programs. experimental design. fluctuation decrease. procedure capableness analysis. and process betterment programs. ? ( dependability. sandia. gov. Statistical Process Control )

We have and average of 50 lb from older cargo. this is the right weight that the bags should hold so. X=50. besides we have a standard divergence of 1. 2 which is besides the coveted degree. so o=1. 2. for the finding of the bags we need to decide this expression [ pic ] 0. 489 and a 99. 73 % assurance interval Z = 3: UCL= x+ 3?x=50+3 ten 0. 4899=51. 4697

LCL= x – 3?x=50-3 ten 0. 4899=48. 5303

The Percentage of Bags with Average Weight within Control Limits ( Per Shift )
Day Shift = 23 bags/24 bags = 96 %
Afternoon/Evening Shift = 12 bags/24 bags = 50 %
Night Shift = 12 bags/ 24 bags = 50 %


2. What procedures would you urge to keep proper quality control? I recommend doing a changeless control. seeking to do the dual checked of the bag weight. besides is of import for the company to make a mean and scope charts usher. that will assist the employees to do the control of the bags. this besides will assist bag baggers to do and extra control to the bags. avoiding any mistakes in weight. Is of import to purchase graduated tables in the production country and in the bag baggers country. the graduated table will be accompanied by the mean and pay charts. cut downing the mistakes of weight. Besides use camera in the countries and developing procedure fro new employees about the drowse and the mean and pay of every bag.

Mention

dependability. sandia. gov. Statistical Process Control. retrieved 12 August 2010. from hypertext transfer protocol: //reliability. sandia. gov/Manuf_Statistics/Statistical_Process_Control/statistical_process_control. hypertext markup language


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