The Manufacturer

Extruder Machine

An extruder machine can be used to produce a wide variety of products from an equally large range of raw materials. It is also an attractive alternative to other manufacturing processes as it allows for a larger selection of profiles and is suitable for use with brittle materials. In industrial applications, plastics are extruded to produce food packaging film, cladding sheets, insulation, automotive parts, and tubing products such as electrical conduit and plumbing pipes. Steel and alloys are extruded to form rods, pipes, and wires as well as steel conduits and construction members for light engineering. The food and pharmaceutical industries also make extensive use of extrusions in the production of products such as pasta, cereals, cookies, and several drug carriers.

In several extrusion applications, particularly those using plastics, the material to be extruded needs to be heated to melting point prior to being used. These applications typically use a screw feeder mechanism similar to those used in the injection molding process to heat and feed the material. Cold extrusion is also a common extrusion process and is normally limited to metals such as tin, lead, steel, aluminum, and copper. Cold extrusion has several benefits over the hot process such as a lack of oxidization, better surface finishes, and quicker extrusion times. A cold extrusion machine is used to produce items such as automotive pistons, steel cylinders, tubing, and gear blanks. 

What Is Pipe Extrusion?

Pipe extrusion is defined as a process of forcing the polymer melt through a shaping die (in this case: circular). The extrudate from the die is sized, cooled and the formed pipe is pulled to the winder or a cut off device with the aid of haul off device. Prior to this, the plastic material in the form of polymer granules is fed into the hopper, conveyed by a rotating screw through a long cylindrical barrel. This is subjected simultaneously to high temperature and pressure, forcing the melt through the die at a predetermined rate.

 

Plastic pipe is used in virtually every phase of North American industry due primarily to its chemical resistance. With the recognition of its other features, including ease of installation, durability and cost advantages, plastic piping has achieved significant use for water mains, gas distribution, storm and sanitary sewers, interior plumbing, electrical conduits, power and communications ducts, chilled water piping and well casing.

• Irrigation Drip, Sprinkler and Lift Irrigation
• Water transportation Potable water, drainage, sewage
• Industrial Chemicals, sandstowing, dewatering in mines, dredge pipelines, gas distribution and low voltage telecom/power cables 

 

What Is An Extruding Machine ?

 

An extruding machine is a device which pushes or pulls a material through a shaped die to form a continuous length of product with a preset cross section. The extrusion process is used to produce a large number of commercial products which include steel or copper wire, plastic tubing, plastic sheets, and many food types. Extrusion as a manufacturing process offers many benefits such as the wide range of complex cross sections possible and the ability to form brittle materials. Depending on the material used, an extrusion machine may form the material cold or hot with some types of materials being completely melted prior to extrusion.

The simplest example of an extrusion machine is a bakers piping bag. The bag is filled with icing and a fitted with a decorative piping nozzle. If the bag is squeezed, the icing fills the nozzle and is forced out or extruded as a continuous length with the same cross section as the shape of the nozzle opening. This is the same basic principle as industrial extrusion machines used to form many products using plastics, metals, and food or pharmaceutical ingredients. The only real departure from this simple example is in the complexity of the cross sections, the inclusion of hollow cores, and the fact that some machines draw the material through the die rather than pushing it. 

An extrusion machine can be used to produce a wide variety of products from an equally large range of raw materials. It is also an attractive alternative to other manufacturing processes as it allows for a larger selection of profiles and is suitable for use with brittle materials. In industrial applications, plastics are extruded to produce food packaging film, cladding sheets, insulation, automotive parts, and tubing products such as electrical conduit and plumbing pipes. Steel and alloys are extruded to form rods, pipes, and wires as well as steel conduits and construction members for light engineering. The food and pharmaceutical industries also make extensive use of extrusions in the production of products such as pasta, cereals, cookies, and several drug carriers.

In several extrusion applications, particularly those using plastics, the material to be extruded needs to be heated to melting point prior to being used. These applications typically use a screw feeder mechanism similar to those used in the injection molding process to heat and feed the material. Cold extrusion is also a common extrusion process and is normally limited to metals such as tin, lead, steel, aluminum, and copper. Cold extrusion has several benefits over the hot process such as a lack of oxidization, better surface finishes, and quicker extrusion times. A cold extrusion machine is used to produce items such as automotive pistons, steel cylinders, tubing, and gear blanks. 

Source: http://www.wisegeek.com/what-is-an-extrusion-machine.htm

5 Stages of the Plastic Recycling Process

Plastic recycling is the term given to the processing of waste plastic which turns old or scrap plastic in to a useable product which can then re-enter the manufacturing chain.
In order for the plastic to be in a suitable format for re use in manufacturing environments such as by injection moulding companies the waste or scrap plastic, needs to go through several recycling processes.

Stage One – Sorting the Plastic

Firstly the waste plastic needs to be collected by the recycling company, once the plastic arrives at the recycling plant the first stage is sort the plastic in to the specific types, plastic recycling is more complex than that of metal or glass recycling due to the many different types of plastic and more importantly mixed plastic cannot be used in manufacturing without delivering poor quality products, hence why plastic recycling companies need to be thorough when it comes to sorting the waste plastic in to the different forms prior to the next stage in the recycling process.

Stage Two - Washing Waste Plastic

Once the waste plastic has been identified and separated in to one of its many forms the cleaning process can begin, this usually starts with washing to remove paper labels, adhesives and other impurities, all the labels on your plastic containers, bottles and even your wheelie bin need to be completely removed as these will lower the quality of the finished recycled plastic.

Stage Three- Shredding the Plastic

The shredding stage is when the waste plastic is taken and loaded on to conveyor belts or directly in to huge hoppers that funnel the clean scrap towards rotating metal teeth that rip the plastic in to small pellets which are bagged up afterwards ready for testing.

Stage Four – Identify and Classify the Plastic

Once the shredded plastic has been bagged it is then chemically tested and labelled as to its exact specification, this rGrade plastic can be used as is by adding to a mix of virgin plastic in a manufacturing run, alternatively the rGrade plastic can be further recycled.

Stage Five - Extruding

This is the final stage in recycling plastic, this involves melting the clean shredded plastic and extruding in to the form of pellets which then go on to manufacture the next lot of plastic products.

Reasons to Recycle Plastic

Millions of tons of waste plastic end up in landfill when the vast majority of it can be recycled, it’s all too easy for us to throw away rubbish without a second thought but we need to take care of our planet and not just reduce the amount of rubbish we bury but also given that plastic is derived from oil a natural product with ever depleting resources it makes sense to recycling as much as possible. Recycled products are becoming more popular and are set to continue as oil exploration moves to ever more hostile and difficult to reach locations, which will of course result in prices of products made from oil will increase.

How Does a Pneumatic Solenoid Valve Work?

How does a pneumatic solenoid valve work?

Defining a Solenoid Valve

• The term solenoid usually refers to a coil used to create magnetic fields when wrapped around a magnetic object or core. In engineering terms, the solenoid describes transducer mechanisms used to convert energy into motion. Solenoid valves are controlled by the action of the solenoid and typically control the flow of water or air as a switch. If the solenoid is active (current is applied), it opens the valve. If the solenoid is inactive (current does not exist), the valve stays closed. The action of the pneumatic solenoid is controlled by the use of pneumatics. The opening or closing of a valve is referred to as "changing state."

Pneumatic Actuated

• Pneumatic actuation refers to a valve being tripped through the use of compressed air (gas). At a particular point in an industrial or manufacturing process, compressed air is released, causing a valve to open or close. The combination of solenoids and pneumatics is twofold. Solenoid valves are used in pneumatic processes and solenoid valves and pneumatic valves are used in combination. The combined valve is called a piloted valve. The larger solenoid valve is triggered by the smaller pneumatic valve. The pneumatic valve can act as an air cylinder contained in a main valve. A pneumatic solenoid valve is also referred to as a compressed air pilot valve.

Read more: How Does a Pneumatic Solenoid Valve Work? | eHow http://www.ehow.com/how-does_5030129_pneumatic-solenoid-valve-work.html#ixzz2UlQRJcIu

Far Infrared Heating Pads As Pain Killer

Far infrared heating pads are convenient, reliable, therapy systems designed to relieve pain, promote healing and accelerate rehabilitation. They excel in providing temporary pain relief for injuries and chronic pain disorders and as a result are recommended and used by Physical Therapists, Chiropractors, Athletes, Sports Trainers and many other individuals.

Thermotex personal far infrared heating pads are also very safe - there is no danger of burning or drying out the skin. These pads are very different from regular heating pads which only heat the surface of the skin. They emit far infrared rays that penetrate the skin up to 2.36 inches (6 centimeters) providing deep heat to muscles, blood vessels, nerves, joints and bone. Blood vessels expand. Oxygen rich blood and nutrients are transported to the affected areas and toxins are removed. All this results in reduced inflammation increased healing, and most important effective pain relief.

Conductive Material

Made of special vinyl ester resin with distinctive properties, such as electrical/heat conductivity, high heat distortion temperature, corrosion resistance, and high mechanical strength, conductive material can be used in different situations. The composition is disclosed for the use of bipolar plate of fuel cells and other applications.

The Use of Injection Molding

Plastic injection molding is a manufacturing process for producing parts by injecting plastic material into a mold. Injection molding can be performed with a host of materials, including metals, glasses, confections, and more commonly thermoplastic and thermosetting polymers. Material for the part is fed into a heated barrel, mixed, and forced into a mold cavity where it cools and hardens to the configuration of the cavity. After a product is designed, usually by an industrial designer or an engineer, molds are made by a moldmaker (or toolmaker) from metal, usually either steel or aluminum, and precision-machined to form the features of the desired part. Injection molding is widely used for manufacturing a variety of parts, from the smallest components to entire body panels of cars.

 

Parts to be injection molded must be very carefully designed to facilitate the molding process; the material used for the part, the desired shape and features of the part, the material of the mold, and the properties of the molding machine must all be taken into account. The versatility of injection molding is facilitated by the breadth of design considerations and possibilities

How Delta Arrestor protects you from high voltage surge

A lightning arrestor (delta arrestor) helps to provide immediate and reliable protection against the high voltage surge (such as that of a lightning strike) on your building or power lines. These units last for a lifetime, except in the extreme cases of rare excess surges. This particular type of surge is particularly devastating to electrical components, almost always rendering them useless. In addition, if you are not protected against high voltage surges, an electrical fire can easily be started within moments as a result of high current levels rushing through building wires.

 

Your breaker box is incapable of providing protection against this “lightning fast” surge of electricity. By the time your breaker has switched off, the surge has literally already done its damage. Note that although a lightning arrestor helps to prevent high voltage spikes from infiltrating your circuits, it does not protect against the common smaller surges.

How to Avoid Infections From Cosmetic Makeup

       Cosmetic has become more and more popular. Anyone can get some cosmetics from certain cosmetic manufacturers. However, while cosmetic prevails nowadays, it seems that few people notice the importance of keeping your cosmetics clean and away from germs and bacteria. That’s what the cosmetic manufacturers don’t teach you.

       The following is the excerpt of the news entitled “How to avoid infections from cosmetic makeup” from ABC7, KABC-TV. If you want to know the complete news, please click the link on the bottom of this article.

How to avoid infections from cosmetic makeup

LOS ANGELES (KABC) -- Do you remember how long you've had your foundation or the last time you washed your brushes? If you don't take care of your makeup and how it's applied, experts say, it's quite common to get eye infections, rashes and breakouts.

Makeup is supposed to enhance your beauty, but with every brush stroke you could be placing something potentially ugly on your face.

Dermatologist Dr. Shirley Chi says the first mistake many women make is leaving their beauty tools exposed in the bathroom.

The eyes are the easiest place for bacteria to get in.

While sharpening and alcohol works well for pencils and brushes, some companies make disinfectant wipes and sprays. Chi says beware of using them directly on powders and shadows.

Dry products like eye shadow, blush and powder are not necessarily breeding grounds for bacteria, but you have to be careful about any liquids.

Disposable applicators can help, but experts say you should throw out foundation, mascara, liquid liner and lip gloss every two to three months. Products with pumps and squeeze tubes can be kept longer.

One other thing: whenever you get oily or start to shine, most women will just pull out their compact and apply more powder. Dr. Chi says you're just creating more germs and not getting rid of the oil that's already there. Try blotting first before applying powder.

(Copyright ©2011 KABC-TV/DT. All Rights Reserved.)

http://abclocal.go.com/kabc/story?section=news/health&id=8467447