Multiple Chapters on "Logistic and Supply Chain Management"

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Logistic and Supply Chain Management

The data analysis in the waste and defects of the injection process of plastic manufacture is majorly qualitative. The analytical process evaluates and assesses the negative Impacts of the plastic to the productivity and in enhancement of the economical issue of a company process as an overall example of the whole issue. The Pareto rule (rule 80-20) comes in handy in the analysis process of the work (Campbell, 2009, p.11). The study selects Salee Industry Public Company Limited as a case study in order to conduct this research. The Pareto rule analysis of the study indicates that 80% flood incidences is because of the plastic companies in the Thailand. However, the number of the plastic companies is 20% of the total sum of the industrial companies in Thailand. Various industries such including the automotive, agriculture, consumer goods face numerous effects from excessive flooding crisis (Campbell, 2009, p.156). The country has many businesses located around Ayutthaya and PathumThaniareas. The flood crisis led to the discontinuation of their operation during this crisis. It is fortunate that Salee Industry Public Company Limited is one of the minority manufactures that can go over this situation however; its effects have magnitude effects on the entire production of the plastic in the region. It supplies several companies with final plastic products, therefore, contributing to the compounding of the plastic problems.

Approximately 20% of the plastic production in Thailand emanates from Salee Industry Public Company Limited but it contributes 80% of the plastic waste in the country. In contrast to size and magnitude of the Salee Industry Public Company Limited, this needs action (ASM International, 2009, p.80). The method of plastic production Salee Industry Public Company Limited applies is questionable in considering the effects plastic expose the environment in to. The study assesses the vital ways of the reducing wastes and defects from production plastic production, therefore, analysis of wastes and defects in the plastic injection that the company deals with are important (Goodship & Rapra Technology Limited, 2010, p.38). Injection mode of production leads to the wastages in the plastic use. This promotes adverse loses in the resources and eventual production of environmentally unfriendly products. The company invests hugely in the Injection molding process. The process attracts several wastages in production of the plastics. Injection manufacturing has numerous setbacks that increase the production wastes. These constitute the presence of the Black specks spots and streaks on the manufactured products. These specks emerge due to several causes including the Plastic materials burning on the cylinder walls. A mixture of the melt and the flakes merge to form undesirable products (ASM International, 2009, p.84).

The processors then decide to shade off these products as in most cases the initial function of the products is not achievable. Air trapped in the mold causes the burning of the melt or the flakes (Packham, 2010, p.40). This is evidence to the partial burns on the walls of the injection cylinder. The burns propagate existence of unattractive portrayal of the cylinder. It is dark and sooty. The material loses of the in the manufacture attributes to immense financial loses to the company. The method is not advisable for the short-term production basis (Conference: Injection Moulding, 2010, p.20). This is due to unimaginable financial restriction it entails in the process of investing in its assemblage and commissioning. The bubbles are eminently common in the finished products. It is ordinary finding unusable injection products due to the extensive products hollows. The hollows and the bubbles generate due to the presence of moisture in the plastic granules.

Moisture elimination is tremendously challenging to eliminate because the products have moisture from their sources. Flashing destroys the production of the required products specifications (Conference: Injection Moulding, 2010, p.27). This is due to the ordinary conditions like high temperature of the materials. The precise temperature regulation is a hurdle since the heating occurs in the tube. The management of the internal pressure proves to be unworkable in some circumstance adding on the occurrence of the flashing. The poor finish of the products makes some products unsuitable for applications. Presence of pores in the fluid containing vessels means failure to the product. These products are the recipe for the extensive material wastes. The presence of the pores on the mold and using them when they are too cold constitutes to the pores. Goodship in his book Practical guide to injection molding attributes the cause of the pores to low pressure. He adds that the presence of the water on mold faces and the inclusion of excessive mole lubricant contribute to the formation of the pores. The other common cause of the poor plastic products is the presence of the short shots (Parmenter, 2009, p.58). Goodship argues that this is the result of the cold molds. This makes the formation of the premature solidification. It facilitates the occurrence of a high resistance to flow for the melt. He admits that other cause of the condition is the low pressure.

Too small gates and imbalance of the propeller amplify the effects. Other causes of the poor results to products are the sink marks, warping and the surface marks. The production capacity of Salee has the contribution of the 41 machines for operating injection molding. This constitutes a process ranging from 18 to 650 tons clamping force and7 machines for the vacuum pressure forming process. However, due to the high demand from our customers, Salee runs the production from all machines 24 hours per day with 7 days per week in order to reach customer's demand. The current production capacity has the average production capacity of the company of around 3.1 million units for injection molding. The company has an average of 1.2 million units of vacuum pressure forming process (Parmenter, 2009, p.50). The 20% of the products that contribute to the 80% of the sale in the January-09 are the black dot 16793, burn mark 1948, scratch 3700, white mark 9339, flow mark 7620, and the weld line 9339. They contribute to the 72% of the total sales for the company.

The significant number of products for the company runs to about twenty-eight products. The products are flash / Bari / hair flash, short mould / short shot, sink mark, pin mark, white mark, silver, weld line, flow mark, scratch, material flow, burn mark, black dot, over cut crack, broken, wrong color/discolor, oily, red dot, bending / warp, water mark, dent, air bubble, gate NG, mixed part, mould mark and shining/not shining. For the February, the 80% contribution to the sale by 20% of the products black rot 18113, scratch 2598, flow mark 4818, weld line 5685, other 3372 and the tech adjust 2378. In total, they contribute about 73% of the sum of the products. This resembles an almost 80% of the sale considering that the contributing products are the six. Six of the twenty-eight products are about twenty-one percent of the goods. On the month, of March, the contributing items are flow mark, black dot; weld line, flash/Bari / hair flash and the tech adjusts. The assessment of the table reflects that the in all the months the black dot, scratch, weld line, white mark, other, tech adjust and the sink feature as the products that facilitate the high sales in their respective months. They are the 20% that determine the 80% of sales in the outlined months.

Salee similarly faces the problem of wastes and defects. This emanates from the production process. Wastes from production create numerous faults in the process. The wastes and defects create many expenses. They include the problem like s raw material cost, utility cost, wages and salary of employees. In addition, the company faces negative images and reputation from customers when the customers receive lots of defects and wastes. This will lead to the decrease of customers' satisfaction toward the company. This attracts the mindset of having to find a solution the main concern in this case (Mutsuddy & Ford, 2010, p.47). The plastic materials harbor different properties that attribute to the selection of the various materials for use. This categorization includes Strength advantages, rigidness, excellence of fatigue resistance, bosom creep resistance, chemical effect resistance, moisture and water resistance, the transparency and the opaque of the product, the cost of the products. Salee faces the problem of wastes and defects that surface from the production process. Wastes from production create numerous faults in the process. Moreover, the wastes and defects are generated many of expense such as raw material cost, utility cost, wages and salary of employees. In addition, the company will face with the negative images and reputation from customers when the customers receive lots of defects and wastes. This will lead to the decrease of customers' satisfaction toward the company (Mutsuddy & Ford, 2010, p.45).

Mr. Rosato of Plastics Institute of America in his book Plastics engineering, manufacturing and data handbook, admits that the collection of loss and defect data in a structured way is tremendously… READ MORE

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