Quality Control Study to meet allowable reject

3553 words 15 pages
A study to meet the allowable 5% reject rate of Sanitary Wares Manufacturing Corporation (SWM) for the months of January to July 2013

In Partial Fulfillment of the Requirements
For the Degree of
Bachelor of Science in Industrial Engineering

CHAPTER I
Introduction

Sanitary Wares Manufacturing Corporation (SWM) was established in June 1961 by a group of pioneering Filipino investors. The Company is registered with the Board of Investments as an export producer/manufacturer of brass fittings on a pioneer status and as an expanding export producer of vitreous china sanitary wares with a registered capacity of 6,000 metric tons per year on a preferred non-pioneer status. The products manufactured by the Company
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3. What are the materials used in production of ceramics? Are they sufficient?
4. What are the methods used in the production?
5. How do you determine that a product is defective?
6. What types of reject do you encounter? DEFINITION OF TERMS

Slip Casting Casting is a manufacturing process by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.

Cleaning The cast or greenware is cleaned by using sponge and some water to remove any imperfections in the casting joints. The cleaned greenware is then air-dried overnight.

Bisque Firing The decorated wares are carefully stacked in the shuttle kiln car and are pushed slowly inside a brick lined kiln. The stacked wares are then bisque-fired in the LPG fired kiln to temperature of 1200 degrees Celsius. The volatiles are removed during the firing of the stacked wares.

Quality Control Quality Control is used in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements.

Packaging
The items are taken directly from the kiln, inspected and packed according to buyers’ specification into brown export cartons for shipment to the buyer. Those items which did not pass the quality inspections are sold to the local market as

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