Dual Metallising - Metalizing, Metalising, vacuum metalizing, vacuum metalising

2012-02-28T08:34:00.001-08:00

The Company is committed to Total Customer Satisfaction and will set, measure, action and review Quality Objectives to continually improve the effectiveness of the Quality Management System.

http://www.dual-metallising.co.uk/

The complete cycle of Plastic Injection Moulding Explained in Detail

2012-02-23T09:37:00.000-08:00

Plastics are the cheapest raw materials available in the market. Plastic gets in to proper shape and size by the process of Injection Moulding. Plastic injection moulding is the process of manufacturing of plastic components. Plastic is an economical material which is used in various applications. Plastic Injection moulding is a process of forcing molten plastic by the application of pressure.

Plastic in the form of powder or liquid is fed through hopper into the barrel which is heated up to certain temperatures where it is mixed and then forced through a nozzle with the help of a plunger to the mould cavity where it hardens by cooling and sets to the configuration of the mould. The plunger is used to force the heated raw material through the nozzle. The plunger which is usually used is a ram or a screw-type. The mould is designed and made from steel or aluminium, and then precision machined forming the desired parts. Plastic Injection moulding is used to manufacture various parts, varying from small components to whole body of a vehicle. Manufacturing a mould is very expensive, so a mould is only used for mass productions. Moulding is the process of shaping a raw-material into the desired shape, by applying pressure. A mould is a hollow block which is filled with a liquid like plastic, glass or a rubber. Plastic injection moulding is one of the types of moulding which involves injecting a raw material into a pattern and applying certain factors like heat and pressure.

CYCLE OF INJECTION MOULDING

The sequence of events through which a raw material is converted into a finished part is known as the injection mould cycle. It includes the supply of granules being fed into a hopper to a heated chamber, where the granules are melted into the form of a liquid. Then a plunger is used to force the liquid through a nozzle to the mould. These processes are repeated again to form a cycle for mass production of products.

TYPES OF PLASTIC INJECTION MOULDING

The above described method is the conventional method of plastic injection moulding, although various other unconventional processes include co-injection moulding, fusible core injection method, injection-compression moulding, thin-wall moulding, powder injection moulding and many more.

With Plastic Injection moulding, a variety of plastic goods can be manufactured. Huge numbers of identical products can be manufactured with this process. A design engineer considers lot of parameters and venture specifications and designs accordingly. Manufacturing problems can be prevented right at the initial stage of design itself.

There are more than 30,000 unique products that can be moulded using plastic injection process. Its advantages include repeatable high tolerances, low labour cost, high production rates, easy to finish parts after moulding and the ability to use extensive range of materials. The major advantage of plastic injection moulding is that products with complex geometry can be made which is not possible in any other processes. As long as there is a need for plastic components of complex shapes and sizes, the business of manufacturing plastics will continue to grow.

2012-02-22T13:41:00.001-08:00

The Company is dedicated to supplying products in a manner which meets the contractual requirements, that are delivered on time and with the ultimate aim of supplying zero defects.

http://www.dual-metallising.co.uk/

2012-02-15T16:31:00.001-08:00

If you require any further information please call us on 0121 708 2748 where one of our friendly staff will be happy to help.

http://www.dual-metallising.co.uk/

How The Process of Plastic Injection Moulding Works

2012-02-15T07:57:00.000-08:00

One of the most commonly used processes in the production of plastic items is the process most often referred to as ‘Injection Moulding’. There are several reasons as to why the process of plastic injection moulding is very popular, however one of the most common reasons given as to its popularity is the fact that as a means of goods production, the process can be used to produce enormous quantities of identically shaped plastic items of a variety of purposes. The goods produced by this process range from simple and disposable consumer goods to essential engineering components of high precision.

The Basic Process

In the most basic terms, the process of Plastic Injection Moulding involves the introduction of a certain material into the moulding machine (most typically via a ‘hopper’). The moulding machine is most commonly made up of a heated barrel (equipped with a reciprocating screw, usually driven by a hydraulic or an electric motor, which usually then feeds molten plastic into a temperature controlled split mould via a comprehensive network of gates and runners).

The polymer is melted by the reciprocating screw, which also then acts as a ram during the injection process. The shearing action of the rotating screw on the plastic assists in providing even more heat that can be utilised in this part of the process before the polymer is then injected into a mould which has been created in accordance to the required dimensions of the finished product desired by the client or customer. The pressure involved in the production process when the polymer is injected into the mould is extremely high, possibly even reaching 1000 atmospheres depending on the material being used in the process.

There are many companies and firms who specialise in producing important components and items made from plastic via the process of injection moulding. There is also a large number of companies which specialise in the production and supply of the moulds used in the injection moulding process.

The importance of the process of Plastic Injection Moulding is demonstrated by the fact that the service provided by the companies practising the process is in great demand by a considerable number of customers, including those in specialist industries such as aerospace and defence which require necessary specialist plastic goods and items produced by this process. The process is most commonly used in the production of the majority of thermoplastics such as polystyrene and nylon.

2012-02-07T08:05:00.001-08:00

All our systems are fully automatic allowing for accurate repeatability throughout the process. Size capacities range from the smallest items to a maximum of 560mm x 960mm when rotating planetary , although it is possible to metallise larger items in certain circumstances.

http://www.dual-metallising.co.uk/

2012-02-01T13:41:00.001-08:00

Dual Metallising Limited was established in 1982. We specialise in vacuum metallising, plastic injection moulding and spray painting. We offer different finishes for full production quantities down to single items.

http://www.dual-metallising.co.uk/

2012-01-24T11:08:00.001-08:00

Paint/lacquer spraying is the most versatile form of enhancing plastic substrates and Dual Metallising has over many years become a market leader not only in spraying polymers but also onto glass and metal products.

www.dual-metallising.co.uk

2012-01-24T11:07:00.001-08:00

We have four vacuum metallising systems which technique, ranging from a standard type of deposition to state of the art plasma/in process silicone protection which has become the hallmark for automotive reflectors.

http://www.dual-metallising.co.uk/

2012-01-10T15:01:00.001-08:00

We also specialise in re-metallising headlight reflectors for classic and modern cars. In particular we have processed many MGF, Audi, Volvo headlight reflectors for cars that have failed the MOT test.

http://www.dual-metallising.co.uk/

2012-01-04T14:35:00.001-08:00

Reflectors Keep You Safe On The Roads

2012-01-04T08:59:00.000-08:00

It has been determined that almost all road accidents (no matter if they included motorcycles, cars, bicycles or maybe even huge lorries) take place during the night in circumstances of decreased visibility, for example fog. Therefore, it is essential that every vehicle used on the road ought to be specially fitted with a type of reflector to act as an added visibility preventative its an a virtually near guarantee that there's a reflector to fit every single model and make of motorcycle and car since in most cases the reflectors for vehicles such as this aren't constructed especially for particular models and makes and may very easily individually be stuck on or attached.

There's also lots of businesses specialising in the manufacturing of plastic items that along with producing reflectors in a selection of polymers (from standard ABS compounds to others for instance ULTEM, PPS and DMC which may have a really high level of heat resistance) for a large number of vehicles (manufactured using vacuuming or moulding production processes), also provide a re-metallising service for headlight reflectors of modern and classic cars alike. Companies such as these in many cases are asked to produce suitable reflectors for a lot of various makes and models of cars that have not passed their M.O.T. tests.

For bikes particularly, reflectors are usually manufactured as a moulded tile of transparent plastic, having a smooth exterior surface (in order to allow light for example from an approaching vehicles headlights to enter) whilst the back of the reflector takes the form of a range of angled spherical beads or micro-prisms. These reflectors make use of the principle of retroreflection to notify motorists towards the presence of the cyclist traveling on the road. Retroreflection happens when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors an ideal materials for usage within the creation of car and bicycle reflectors.

When light hits the back of reflectors such as this (meaning the surface housing the spherical beads and micro-prisms) it will do so at an angle which is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection in this instance means (because of the orientation of the interior surfaces) the light is totally reflected out via the front of the reflector in the same direction it came from originally and immediately alerts the various other motorists towards the

2011-12-28T16:27:00.001-08:00

2011-12-21T16:31:00.001-08:00

The Company is dedicated to supplying products in a manner which meets the contractual requirements, that are delivered on time and with the ultimate aim of supplying zero defects.

http://www.dual-metallising.co.uk/

Spray Printing Colour Substance

2011-12-16T03:01:00.000-08:00

Paint can be denied as “A coloured substance that is spread over a surface and dries to leave a thin decorative or protective coating.” It has a large number of purposes including protection, creative design, decoration, safety for a large range of environments including roads and hospitals. There are a large range of ways to use paint, as it can come in a number of forms including liquid and gaseous. There are a very large number of different types of paint including Emulsion.,Primer, Enamel, Anti Graffiti, Glaze, Anti-Fouling or Climb paints. Each of the different types of paint have a different purpose and different make-up to ensure that they deliver their purpose.

The different states that the paint exists in will change the way that the paint is used. When paint exists as a gas or as a Gas which is suspended in solid or liquid, the paint will be sprayed onto the object to be painted. This is because the application of the paint is in the air and therefore no object will be needed to touch the item to be painted. Also because the distribution will be very uniform resulting in no sharp lines and very small amounts of paint can be utilised. It is also possible to spray a chemical, often different solvents(Substances in which to dissolve other substances) will be sprayed at the same time as the paint so that both reach the item at the same time.

There are a very large number of ways to Spray painting an item. The most well known is that of Air Gun spraying in which a trigger will mix the paint and a compressed air steam to release the mix. This emerges as a fine spray and a large number of different nozzles can be applied to ensure that different outputs are achieved. HLVP and LVLP also are spray guns but attempt to decrease air usage. LVLP are more adept at this as they have Low Pressure and Low Volume unlike HLVP which also have High Pressure.

It is also possible to spray paint electro statically where you charge the paint particles so they repel each other and spread out when sprayed to ensure that an even coat is ensured. They can be charged in a number of different ways. Another way is Rotational Bells can be used, here the disc charges and throw the paint out to hit the item in a uniform coat. Other ways include Electric fans, Hot spray, Air Assisted airless Spray Guns, Automated Spray Systems and Spray Booths.

2011-12-14T16:09:00.001-08:00

Dual Metallising can offer both moulding and vacuum deposition, allowing for us to offer a complete finished reflector in most polymers

http://www.dual-metallising.co.uk/

2011-12-07T15:56:00.001-08:00

Promotional clocks are a growing part of our business with many styles to choose from, which you can view in our promotional products gallery.

http://www.dual-metallising.co.uk/

The Process of Plastic Injection Moulding

2011-12-02T01:44:00.001-08:00

This process is very important for producing manydifferent products for a large number of different services including medical.The products produced are extremely diverse ranging from combs to musicalinstruments to one piece chairs.

Plastic Injection Moulding tends to have the samemanufacturing as the other types of Injection moulding. The process thatactually happens is that the plastic granules are entered into a hopper that ispart of the moulding machine. The granules are moved along by a screw typeplunger It is at this stage that any extras are added, for example colourants.After this, the mix enters the heated area, this is where the granules becomemolten. After this the mix is injectedwith a very high force through a nozzle into a mould tool and this is differentfor every different part that is produced. Here, the mix is cooled and when itis totally cooled, the mould opens itself and the product can be removed. Toincrease the speed of this final process, the mould is kept very cold so thatthe plastic cools instantly upon reaching the mould.

Like another industrial processes there are a number offactors that should be controlled to ensure that output is optimum, with aslittle contamination as possible. The injection speed can be improved byvarying the viscosity of the material. The higher the viscosity, the higher thepressure loss and thus the lower the speed. The higher the speed, the higher the shear rate and viscosity. Althoughincreasing mould and melt temperatures will reduce the viscosity, thusincreasing pressure, it will also reduce shear rate. Also, the cooling time canbe manipulated, the hotter the melted plastics, the longer for the plastics tocool and thus the thicker the item produced. The Gate Speed and Metering Phase canalso be adapted to produce optimum results.

The cost of moulds depends on a large number of factorsincluding number of cavities how complex the mould itself is, how long thesemoulds are expected to last. There are a number of difference companies offeringa large range of services for these machines each offering different ideas.

Advantages the plastic injection moulding process include repeatable results withhigh production rates, low labour costs, little scrap and the ability to use avery large range of materials. However, the set up of this process is expensiveas many of the parts are very expensive. Also, there can be large running costsand the fact that each mould is different for each part can be time-consumingand expensive.

2011-11-30T15:56:00.001-08:00

We can metallise on most inert substrates with the exception of Acetal polymers. Having both moulding and finishing systems allow us to offer a one stop destination for many of our clients.

http://www.dual-metallising.co.uk/

2011-11-23T16:16:00.001-08:00

Dual Metallising has an enviable reputation in the fields of prototypes and point of sale, producing parts on time, frequently, next day, in some cases while you wait.

http://www.dual-metallising.co.uk/

2011-11-16T16:17:00.001-08:00

Dual Metallising can offer both moulding and vacuum deposition, allowing for us to offer a complete finished reflector in most polymers.

http://www.dual-metallising.co.uk/

2011-11-09T08:16:00.001-08:00

We are committed to Total Customer Satisfaction and will set, measure, action and review Quality Objectives to continually improve the effectiveness of the Quality Management System.

http://www.dual-metallising.co.uk/

2011-11-02T10:37:00.001-07:00

Dual Metallising can offer both moulding and vacuum deposition, allowing for us to offer a complete finished reflector in most polymers.

2011-10-26T14:48:00.001-07:00

2011-10-19T13:16:00.001-07:00

All our systems are fully automatic allowing for accurate repeatability throughout the process. Size capacities range from the smallest items to a maximum of 560mm x 960mm when rotating planetary , although it is possible to metallise larger items in certain circumstances.

2011-10-13T01:17:00.001-07:00

Continuous re-investment in our moulding department has resulted in being able to offer repeatability from our modern six microprocessor controlled machines, ranging from 20-250 tonne clamping capacity and shot weights up to 800 grams in most polymers.
Having both moulding and finishing systems allow us to offer a "one stop" destination for many of our customers.

2011-10-05T08:24:00.001-07:00

Did you know? Thanksto our on-going investment in closedloop recycling, we are able to reduce our dependencyon natural materials.

Moulding Machines

2011-09-27T09:22:00.000-07:00

Call us on 0121 708 2748 - one of our friendly staff are always available to help you. Our continuous re-investment in our moulding department has resulted in being able to offer repeatability from our modern six microprocessor controlled machines, ranging from 20-250 tonne clamping capacity and shot weights up to 800 grams in most polymers. http://www.dual-metallising.co.uk/

Plastic Injection Moulding

2011-09-15T07:12:00.000-07:00

Continuous re-investment in our plastic injection moulding department has resulted in being able to offer repeatability from our modern six microprocessor controlled machines, ranging from 20-250 tonne clamping capacity and shot weights up to 800 grams in most polymers.
Having both moulding and finishing systems allow us to offer a "one stop" destination for many of our customers.

Tool trials undertaken up to 250 tonne
Tool making undertaken through partnerships. Tools can be manufactured in Aluminium, P20 or fully hardened

Plastic Injection Moulding

2011-09-09T08:43:00.001-07:00

Tool trials undertaken up to 250 tonne
Tool making undertaken through partnerships. Tools can be manufactured in Aluminium, P20 or fully hardened

Our Social Networking

2011-09-01T02:55:00.000-07:00

Using the social networking sites, Facebook and Twitter, has allowed me to become a resource for others through providing a platform for me to refer and recommend my reflector products and vacuum metallising services. The regularly updated contents provide an ongoing view of my company online, which is important in enhancing the social aspect of my company, which brings out an emotional connectivity between my customers and me. On top of this, using social networking sites has made the global market more accessible, and made it easier to share information and ideas with similar businesses. Follow us on Twitter and Facebook for latest updates!

Vacuum Metallising

2011-08-25T09:39:00.001-07:00

We have four vacuum metallising systems which technique, ranging from a standard type of deposition to state of the art plasma/in process silicone protection which has become the hallmark for automotive reflectors.
All our systems are fully automatic allowing for accurate repeatability throughout the process. Size capacities range from the smallest items to a maximum of 560mm x 960mm when rotating planetary , although it is possible to metallise larger items in certain circumstances.
We can metallise on most inert substrates with the exception of Acetal polymers. Having both moulding and finishing systems allow us to offer a one stop destination for many of our clients.
Facility for "IONIC GASEOUS PLASMA" serving as a surface preparation prior to aluminium deposition

Polymeric layer can be offered within the vacuum metallising process by plasma and silicones to provide post metallising protection

Various substrates undertaken

Fast responses times

Trials and prototypes undertaken

Highly efficient modern plant

Glass metallising is achievable

Automatic base lacquer flowcoating to most substrates

Services

2011-08-18T09:39:00.001-07:00

Established in 1982, we specialise in vacuum metallising, plastic injection moulding and spray painting for a variety of products and substrates, such as:

Automotive & general lighting products
Point of sale
Fashion
Trophy industries
Mining industry
Automotive prototypes
Decorative items for fires
Promotional Clocks
Window fashion industry & many more
Paint Spraying

We are also a leading supplier of reflectors to the automotive, commercial and rotating beacon manufactures. Many of our customers use us as a "One Stop Shop" for completion of their products but a high percentage send their own mouldings in for finishing in either paint or vacuum metallising.
Vacuum-metallising is mainly used as a decorative coating successfully in some applications for its r.f.i shielding properties.
http://www.dual-metallising.co.uk

About us

2011-08-11T08:34:00.001-07:00

Dual Metallising was formed in 1982, primarily as a vacuum metallising and paint spraying company becoming a market leader during that period of time. Progressing some six years later into plastic injection moulding, which lead us into manufacture and promotional clocks.
We maintain a high standard of work and have a track record of providing a fast, efficient and reliable service both with small and large volumes. We pride ourselves on providing the best service possible to our customers, offering competitive rates, we also have a fast turnaround capability which is vital to many of our clients.
Our expertise also covers items requiring finishing/manufacturing for the point of sale industry both on vacuum formings and injection mouldings. Prototypes form an important part of our activities together with spray painting.
Dual metallising is a very friendly and welcoming company with 12 employees working from our 8,500 sq ft factory in the Tyseley area of Birmingham. Our long serving employees are very highly motivated in providing their best service to our customers.

http://www.dual-metallising.co.uk

Metallizing

2011-08-07T07:51:00.000-07:00

As can most probably be deduced from the name, the term ‘metalising’ (also spelt as ‘metallizing’) is used to describe the process of coating a thin layer of metal onto the surface of a non-metallic substance. One of the oldest known examples of such a process is the technique of ‘silvering’, a practice first used in the nineteenth century by the German chemist Julius von Liebig, and which has been used ever since in the process for the manufacturing of mirrors. In this particular form of the metalizing process, the non metallic surface of the glass is coated with a thin layer of silver, but nowadays it is more common for the metallic layer to be formed by sputtering powdered aluminium or other such similar compounds onto the glass surface. The plating of non-metallic objects could be seen as having really increased in popularity rapidly with the introduction of Acrylonitrile Butadiene System (ABS) plastic, typically used for the manufacture of pipe systems, musical instruments (like plastic clarinets and recorders), golf club heads (because of its good shock absorbance) as well as car parts and protective headgear.

Due to the fact that a non-metallic substance tends to be a poor electrical conductor, the surface of the object has to be made conductive before the plating process can commence. In order for this to occur, the plastic component is firstly etched chemically by a suitable process (such as submerging the component in a hot chromic-acid sulphuric acid solution). The etched plastic surface is then sensitised and activated by first being dipped in a solution of tin (II) chloride and then again in a solution of palladium chloride. Finally, the processed surface is coated with a layer of electroless copper or nickel before being plated even further. Although this process provides the surface with a useful adhesion force of some strength, it is considerably weaker than actual metal to metal adhesion strength.

One of the most famous variations of the typical metallizing process is ‘vacuum metallizing’.

In the process of ‘Vacuum Metallizing’, the coating metal is heated until it reaches its boiling point in a vacuum chamber. The process then involves letting condensation deposit the metal onto the surface of the substrate. The coated metal is then vaporised by extremely high temperatures generated from either resistance heating, electron beam or plasma heating and the metal condenses on the work piece or product as a thin metallic film.

Reflectors

2011-07-20T09:04:00.000-07:00

It has been proven that almost all road accidents (regardless of whether they included motorcycles, cars, bicycles or even huge lorries) take place during the night and in conditions of poor visibility, for instance fog. Therefore, it is crucial that every vehicle used on the road ought to be fitted with a form of reflector as an additional visibility safety measure its an a virtually near certainty that there is a reflector to fit every single make and model of car and motorcycle since in most cases the reflectors for vehicles such as this aren't made specifically for specific models and makes and may very easily separately be attached or stuck on.

There are also several firms specialising in the manufacturing of plastic products that along with producing reflectors in a array of polymers (from standard ABS compounds to others for instance PPS, DMC and ULTEM which have a very high level of heat resistance) for a wide variety of vehicles (manufactured using vacuuming or moulding production processes), also offer a re-metallising service for headlight reflectors of classic and modern cars alike. Companies such as these are often approached to produce suitable reflectors for many makes of cars which have failed their M.O.T. tests.

For bikes in particular, reflectors are usually manufactured as a moulded tile of transparent plastic, having a smooth exterior surface (in order to allow light such as from an approaching car’s headlights to enter) whereas the back of the reflector takes the form of a range of angled spherical beads or micro-prisms. These reflectors use the principle of retroreflection to notify motorists to the presence of the cyclist traveling on the road. Retroreflection takes place when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors the perfect materials for usage within the creation of car and bicycle reflectors.

When light strikes the back of a reflector such as this (meaning the surface housing the spherical beads and micro-prisms) it will do so at an angle that is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection in this case means that (due to the orientation of the interior surfaces) the light is totally reflected back out through the front of the reflector in the direction it came from and immediately alerts the other motorists to the presence of another vehicle on the road.

Reflectors

2011-07-07T08:54:00.001-07:00

It has been confirmed that the majority of road accidents (regardless of whether they included cars, bicycles, motorcycles or maybe even huge lorries) occur at night in circumstances of poor visibility, for example fog. Therefore, it is important that any vehicle used on the road ought to be fitted with a form of reflector to act as an additional visibility preventative its an an almost near guarantee that there is a reflector to meet every model and make of car and motorcycle since in the majority of cases the reflectors for vehicles such as this aren't made especially for specific models and makes and can easily be separately be stuck on or attached.

There are also several firms specialising in the manufacturing of plastic products that along with producing reflectors in a selection of polymers (from standard ABS compounds to others such as PPS, DMC and ULTEM which may have a really high level of heat resistance) for a huge selection of vehicles (manufactured using vacuuming or moulding production processes), also provide a re-metallising service for headlight reflectors of classic and modern cars alike. Companies such as these in many cases are asked to manufacture suitable reflectors for many makes of cars that have not passed their M.O.T. tests.

For bikes in particular, reflectors are normally manufactured as a moulded tile of transparent plastic, with a smooth exterior surface (in order to allow light for example from an approaching car’s headlights to enter) whereas the back of the reflector takes the form of an array of angled spherical beads or micro-prisms. These reflectors use the principle of retroreflection to alert motorists to the presence of the cyclist on the road. Retroreflection happens when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors the perfect materials for use in the creation of bicycle and car reflectors.

When light strikes the rear of a reflector such as this (meaning the surface housing the spherical beads and micro-prisms) it does so at an angle that is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection in this case means (due to the orientation of the interior surfaces) the light is totally reflected back out through the front of the reflector in the same direction it came from and immediately alerts the various other road users towards the existence of the other vehicle on the road.

Reflectors

2011-06-27T02:08:00.000-07:00

It has been determined that the majority of road accidents (no matter if they involved motorcycles, cars, bicycles or maybe even heavy goods vehicles) take place during the night in circumstances of poor visibility, such as fog. It is therefore vital that any vehicle used on the road should be fitted with a type of reflector as an added visibility safety measure and it is a virtually near guarantee that there's a reflector to fit every make and model of motorcycle and car since in the majority of cases the reflectors for such vehicles are not made especially for particular models and makes and may very easily individually be attached or stuck on.

There's also several firms specialising in the manufacturing of plastic products that along with producing reflectors in a range of polymers (from standard ABS compounds to others such as PPS, DMC and ULTEM which may have a really high level of heat resistance) for a large selection of vehicles (manufactured using moulding or vacuuming production processes), also provide a re-metallising service for headlight reflectors of classic and modern cars alike. Companies such as these are often approached to produce suitable reflectors for a lot of various makes and models of cars that have not passed their M.O.T. tests.

For bikes in particular, reflectors are normally manufactured as a moulded tile of transparent plastic, with a smooth exterior surface (in order to allow light such as from an approaching car’s headlights to enter) whereas the back of the reflector takes the form of a range of angled spherical beads or micro-prisms. These reflectors make use of the principle of retroreflection to notify motorists towards the presence of the cyclist traveling on the road. Retroreflection happens when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors the perfect materials for use in the manufacture of bicycle and car reflectors.

When light strikes the rear of a reflector such as this (meaning the surface housing the spherical beads and micro-prisms) it will do so at an angle that is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection in this instance means that (due to the orientation of the interior surfaces) the light is totally reflected back out via the front of the reflector in the direction it came from and instantly alerts the various other road users towards the existence of the other vehicle on the road.

Reflectors

2011-06-21T06:10:00.001-07:00

Reflectors

2011-06-09T07:35:00.000-07:00

Reflectors

2011-06-01T06:19:00.000-07:00

It has been determined that almost all road accidents (regardless of whether they involved cars, bicycles, motorcycles or even heavy goods vehicles) take place during the night and in circumstances of decreased visibility, for instance fog. It is therefore essential that every vehicle used on the road should be specially fitted with a form of reflector to act as an added visibility preventative its an a virtually near certainty that there's a reflector to fit every single make and model of car and motorcycle since in most cases the reflectors for vehicles such as this aren't made especially for certain models and makes and can very easily separately be attached or stuck on.

There are also several firms specialising in the manufacturing of plastic products that along with producing reflectors in a range of polymers (from standard ABS compounds to others such as PPS, DMC and ULTEM which have a really high level of heat resistance) for a large number of vehicles (manufactured using moulding or vacuuming production processes), also offer a re-metallising service for headlight reflectors of classic and modern cars alike. Such companies in many cases are approached to manufacture suitable reflectors for many makes of cars which have failed their M.O.T. tests.

For bikes particularly, reflectors are normally manufactured as a moulded tile of transparent plastic, with a smooth exterior surface (in order to allow light such as from an approaching vehicles headlights to enter) whilst the back of the reflector takes the form of a range of angled spherical beads or micro-prisms. These reflectors make use of the principle of retroreflection to alert motorists to the presence of the cyclist on the road. Retroreflection occurs when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors the perfect materials for usage in the manufacture of car and bicycle reflectors.

Reflectors Used For Safety Reasons

2011-05-19T12:36:00.000-07:00

It has been determined that almost all road accidents (no matter if they included motorcycles, cars, bicycles or even huge lorries) occur during the night and in circumstances of decreased visibility, for example fog. It is therefore vital that any road-using vehicle should be specially fitted with a form of reflector to act as an added visibility safety measure and it is a virtually near guarantee that there's a reflector to meet every single model and make of car and motorcycle since in the majority of cases the reflectors for vehicles such as this are not made especially for particular models and makes and can very easily individually be stuck on or attached.

There are also lots of businesses specialising in the manufacturing of plastic items that as well as producing reflectors in a range of polymers (from standard ABS compounds to others for instance PPS, DMC and ULTEM which have a very high level of heat resistance) for a wide number of vehicles (manufactured using vacuuming or moulding production processes), also provide a re-metallising service for headlight reflectors of classic and modern cars alike. Such companies are often asked to manufacture suitable reflectors for many various makes and models of cars which have not passed their M.O.T. tests.

For bikes in particular, reflectors are typically manufactured as a moulded tile of transparent plastic, with a smooth exterior surface (in order to allow light such as from an approaching vehicles headlights to enter) whilst the back of the reflector takes the form of a range of angled spherical beads or micro-prisms. These reflectors use the principle of retroreflection to notify motorists to the presence of the cyclist on the road. Retroreflection occurs when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors an ideal materials for use in the manufacture of bicycle and car reflectors.

When light strikes the back of such a reflector (meaning the surface housing the spherical beads and micro-prisms) it will do so at an angle which is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection however implies that (due to the orientation of the interior surfaces) the light is completely reflected back out via the front of the reflector in the same direction it came from originally and immediately alerts the various other road users towards the presence of the other vehicle on the road.

Reflectors

2011-05-06T05:31:00.000-07:00

It has been proven that the majority of road accidents (regardless of whether they involved cars, bicycles, motorcycles or even heavy goods vehicles) occur at night and in conditions of poor visibility, such as fog. It is therefore vital that any road-using vehicle should be fitted with a form of reflector as an additional visibility safety measure and it is an almost near certainty that there is a reflector to meet every make and model of car and motorcycle since in the majority of cases the reflectors for such vehicles are not made specifically for certain makes and models and can easily be separately attached or stuck on.

There are also several firms specialising in the manufacturing of plastic products that as well as producing reflectors in a range of polymers (from standard ABS compounds to others such as PPS, DMC and ULTEM which have a very high level of heat resistence) for a wide selection of vehicles (manufactured using moulding or vacuuming production processes), also offer a re-metallising service for headlight reflectors of classic and modern cars alike. Such companies are often approached to manufacture suitable reflectors for many makes of cars which have failed their M.O.T. tests.

For bicycles in particular, reflectors are typically manufactured as a moulded tile of transparent plastic, with a smooth exterior surface (in order to allow light such as from an approaching car’s headlights to enter) whereas the back of the reflector takes the form of an array of angled spherical beads or micro-prisms. These reflectors use the principle of retroreflection to alert motorists to the presence of the cyclist on the road. Retroreflection occurs when light is reflected back to the source with a minimum amount of light being scattered and lost in the surrounding area, making Retroreflectors the perfect materials for use in the manufacture of bicycle and car reflectors.

When light strikes the rear of such a reflector (meaning the surface housing the spherical beads and micro-prisms) it does so at an angle that is greater than the ‘critical angle’ (the angle of incidence above which total internal reflection can take place). Total internal reflection in this case means that (due to the orientation of the interior surfaces) the light is completely reflected back out through the front of the reflector in the direction it came from and instantly alerts the other road users to the presence of another vehicle on the road.

What Does Plastic Injection Moulding Mean And What Should I Know

2011-04-21T13:49:00.000-07:00

One of the most commonly used plastic production process in the industries is the plastic injection moulding. The wide range of uses and the diversity of injection moulding especially in producing both disposable consumer plastics and vast reengineering plastic components have really endeared it to many.

Of What Uses Are The Plastic Injection Moulding?

The plastic injection moulding process is usually used in the production of many thermoplastics such as polycarbonate, nylon, polystyrene etc. This process doesn’t just give plastic manufacturers the freedom to design several types of micro and industrial plastics but the average weight of the plastic product is usually light when compared to the plastic production process that was use some years back. It is not surprising that there are many huge shaped and brilliantly designed plastic products in the market today, thanks to the plastic injection moulding production process.

Producing different types of plastics with the plastic injection machines are quite easy because it usually begins by having the material introduced to the injection moulding machine through a hopper. The plastic injection moulding machine consists of reciprocating screws that are usually driven by the electric motor and a heated barrel. This electric motor or the hydraulic usually transports the molten polymer via some arranged gates or funnels and deposits them into a temperature controlled split mould.

During the injection phase of the plastic production, the reciprocating screw usually acts as the ram and also melts the polymer. Depending on the required size, shapes etc of the finished plastic product, the melted or plasticized polymer are usually injected into the mould. But this takes place after the additional heating that is usually occasioned by procession action of the screw on the polymer.

In the plastic injection moulding process, very high pressure is usually applied depending on the type of plastic material that is being processed and the sort of end product that is being produced.

Most plastic injection moulding machines are made of a mixture of steal and alloys of aluminum. This is because, steal can be hardened and plated when the need arises and the alloys of aluminum could facilitate the hand polishing speeds and boost cutting. These combinations had made it possible for the massive production of numerous designs and ranges of plastic products.

The importance and overall necessity of the plastic injection moulding machines can not be over emphasized because apart from enabling the massive production of different disposable consumable plastic products, it has been noted that people in the aerospace and even defense industries are benefiting from the brilliant plastic injection moulding processes.

Reflectors

2011-04-17T14:32:00.001-07:00

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The complete cycle of Plastic Injection Moulding Explained in Detail

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What Does Plastic Injection Moulding Mean And What Should I Know

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The Company is dedicated to supplying products in a manner which meets the contractual requirements, that are delivered on time and with the ultimate aim of supplying zero defects.

http://www.dual-metallising.co.uk/

We are committed to Total Customer Satisfaction and will set, measure, action and review Quality Objectives to continually improve the effectiveness of the Quality Management System.

http://www.dual-metallising.co.uk/