Designing the Runner System in Plastics Mould

first-time we must consider items that affecting  runner size, some of whichVolume of part, the greater the volume takes a larger diameter runners anyway.Weight of part, the heavier parts, it takes a larger diameter runners. Wall thickness, the thicker the greater the diameter of the runner is needed.Length of flow path, the longer it takes the flow of large diameter runner.

Diameter

to determine the diameter, based on the type of material and wall thickness, the following chart can help, for similar materials PP, PA, POM, PC, PE can use the following graph, first select the appropriate thick wall thickness and look heavy parts, and then pull the line down, the approximate diameter required will be obtained.


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LOOK INDONESIA !!!

From the more affluent and developed countries, through the transfer of technology, emerging economies in Asia have enabled many thriving companies and leading brand manufacturers to upkeep product quality at reducing cost – passing on the savings to end consumers.

The country has the largest population in Southeast Asia and provides a ready pool of labour resources in the region. It is a worthwhile investment choice, considering its relatively low-cost labour, favourable operating premise, and potentially high consumption market. It’s private consumption continues to be the main engine of growth, accounting for more than 70 percent of gross domestic product (GDP). Almost all sectors in the economy registered higher growth, except for the mining and extractive industries sector. The strong domestic demand, with less than 30% of its manufacture being exported, is an encouraging sign to companies looking out for investment and expansion opportunities.

Indonesia is one country, within ASEAN, which has the highest growth potential in its manufacturing sector. Comprising of industry stakeholders, major trade associations, relevant government officials and key market leaders, the steering committee of MTT will be carving milestones and setting roadmap to lead the country’s supporting industries onto higher platforms in manufacturing. While the series of MTT Expo Indonesia present technologies that will yield higher product quality and enable higher productivity,  the concurrently held MTT Forum will deliberate on avenues and measures to develop skilled manpower, lower production costs, meet market demands, explore alternatives and study feasibilities of technology transfers and implementations.

Endorsed by the Ministry of Industry, BKPM (Indonesia’s Investment Coordinating Board), KADIN (Indonesian Chambers of Commerce), and supported by significant trade associations such as GAMMA (Federations of Indonesian Metalworks & Machinery Industry Associations), GIAMM (Indonesia Automotive Parts & Components Industries Association), IMDIA (Indonesia Mold & Die Industry Association) and ASIMPI (Association of Machine Tools Association), the event aims at being a catalyst in enhancing the growth of targeted manufacturing sectors in the country.

 

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GENERATION OF FAST GROWING

To welcome the development of fast-paced, it is necessary once more obtimal machining devices, and fast-paced production is time and carefully for the development of global markets.
As product and part designs become more sophisticated, mould manufacturers are increasingly called upon to proses shapes comprising three dimension free form curves. We are being forced to rapidly and efficiently produce  highly complex mould for compression and injection moulding  while simultaneously adapting to a rapidly changing business environment characterized by shift to overseas production ,more frequent model changes ,and intense demands for manufacturing cost reductions. To meet the all these demands, mould manufactures are developing increasingly systematic operations that utilize computerized information for everything from design to production control and actual manufacturing.

It is against this background of urgent necessity that some new processing technology the use multy axis machining centers and tree dimension model to prosess moulds rapidly with top quality will be discussed. The multi axis machining described utilizes up to six controllable axes, tree translation axes and tree rotating axes.

Multy Axes Machining Center

One of key to processing mould efficiently, maintaining high precision and high quality, is to avoid multiple settings and installations of the machine and workpiece. A single set prosess will reduce the errors that arise with die changes and improve machine utilization times. The objective is a single machine that can implement compound processing , performing in rapid succession all tasks from rough cut to finish. Multy axis processing machines make possible a variety of special features.

A Five axis machining center with its tree translation axes and two rotating axes can be achieve a wider variety of tool positions than a conventional tree axes machine, thus eliminating the need for die changes even when processing overhangs and other complex shapes. Such machines have existed for twenty years, but given the complex structure of five axes machining center, they were difficult to control and were rarely used except for highly specialized processing task. Today ,progress in design and control technology is opening the door to many more applications. Because of the abvious advantages of single set processing for high efficiency, high precision machining, the industry is turning expectanly towards multy axis machining for general use.

In conventional processing, cutting speed is often increased by rotating both the tool and the workpiece. Where the workpice itself is rotated,  all the shape to be cut must be round or combination of round shape, Even where it is the tool being rotated, a corner R is inevitable. These restrictions result from the rotation. Processing methods that eliminate these restrictions have the potential to vastly expand the variety of shaes that can be machined.

To this end,it is proposed installing on the main axis of machining center a non rotating tool with tree dimensional control of tool position and location. This method requires six axis control. Because  it makes cutting speed equal to feed speed, it is not extremely efficient. However, it does produce very high quality and is extremely useful in processing shape that cannot be achieved by rotating tool.

The six axis machining center and a non rotatin tool. If you disable the main axes rotating index control and limit it to ordinary rotation, the six axis machining centre becomes a five axis machining centre. By fixing two of rotating axis , you can use it as tree axis machine as well. But when needed, you can achieve outstanding result using full six axis conrol.

Compound Machining Fungtions and Tool, Control Techniques

Process   ; High speed rough cut.

Tool        : Rotating tool

Control Technique :  Tree axis /  Five axis.

Process   : Intermediate finishing.

Tool        : Rotating tool.

Control Technique : Five axis.

Process  : Finishing.

Tool       : Non rotating tool.

Control Technique : Six axis.

Process  : Polishing.

Tool       : Non rotating tool.

Control Technique : Six axis.

                We have discussed new techniques using multy axes machining centre for fast, high quality processing of mould, Because five axis machining centre using rotating tools can process complex shapes with fewer tool and setting changes, the will undoubtedly be used for an ever expanding range of applications. We have also described  six axis methods using non rotating. These methods  have great potential for increasing  efficiency and expanding the range of shape  that can be fully processed by machine. Six axis machine that can take complex workpice, installed only once, from rough cut to finish at high speeds with high precision are going to have a mayor influence on mould production. Let us wait, enjoy, stand and watch it together all the technological advances that can benefit the well-being of mankind throughout the world. Hopefully everything is more prosperous.

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INDUSTRIAL TRANSFORMATION

With the development of a business, you should start to see the possibilities for strengthening the possibility that has been achieved. 

Even this situation needs to better handling and the need to use appropriate methods to policy management policies.The one that looks real is more concerned with the principles of dynamic efficiency.

 As we know that the cost of the costs for the production process is very high, therefore the effective and efficient measures should be involved in the handling.Within the company as it headed toward the development or already developed ones, need to implement specialization emphasizes the importance of each sector of a global business process. 

This concept to be oriented, that growing either forward or the economy is still growing, can only be maintained if less exploit natural resources intensively and even tend to be large scale. In the production cycle of a multiple folding occurs very rapidly and is the mass of the types of consumer goods. Unlike the manufacture economic activity based on the information industry, seen as less dependent on natural resource extraction process directly. Besides, expansion of this sector requires social and environmental cost is relatively low when compared with the expansion of industrial manufacture.

 After a decade of ongoing forms of industrial society, a new society that is the information currently in the process. Riel tender can be seen in the fact that almost every aspect of modern society can not be separated from the information or at least touched by industrial product information that tends increasingly demand.                                                                                             

 Not only in the consumption of modern society, but further information including the sub-sector business support products to be one of the dominant production base in the structure of global economic growth. Economic slow activity distorsed to provision of information services available in the form of basic materials and even the interpretation of events with the community imagine.

 Different manufacturing industry that has been shown to cause pollution or chemical contamination of the environment, expansion of industrial activity information takes place with the environmental costs of such minimal. If on the other hand there is something fundamental to the argument that the industry more environmentally friendly than manufacturing industry, service sector in modern economies increasingly dominant information but there is a tendency, that the volume and variety of consumption goods will rise relative manufacture . We too believe that the information has been changed and transformed as a commodity product that is very broad.

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SHIFT IN MARKET VALUE

Economic globalization continues to this day, making the economy began showing signs of a positive for those who can anticipate, but contrary to that get stuck in old patterns of thought. to show no obstacle in the world economy is now .there are more intense and was otherwise little is pailed.
We be aware of this process, some of them forced to face a grueling global economic competition, to be fought heavily against its rivals, productifity improved, the stake of each decade of the inevitable impact of excess production and prices will fall.
 Other countries that produce the same manufacturing, and the competition of imported goods will be complicated and uncertain.
After the economic movement looks like is irrelevant, then what we need to do?.By studying and see something that has already occurred, and do not forget the many considerations, the need for drastic change strategy!.
And make the production as the spearhead of the economic engines that are deployed to mobilize and mobilize all resources, and only produce products of high value or strategic products.
Hence the need for new strategies, began to shift from high-volume products to high value products, companies no longer make the goods that are less effective but should be a new technological innovation or improvement of technology into its flagship.
This high-value production processes no longer be uniform, regular or standard, and is no longer determined by the volume or price. determining factor is the appropriate expertise and occupies a specialized market and corporate businesses focus so-called "special knowledge".
We also argue for a business like this takes fertilize them belonging to the category of public analisis plus technology solutions.
The definition, workers are able to describe the problem, which is familiar with the specific knowledge, such as specialists and more importantly be able to catch up to the amount of product sales target community needs.

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