As a result of advances in plastic injection molding machines and injection mold manufacturing machinery, there will certainly be a trend to build both larger and smaller injection mould.over molding, insert mold,

injection molding machine makers are developing bigger machines to accommodate product designs that were not possible in the past because of

Overview of the Injection molding Industry 5

injection molding machine dimension restraints. Products like automobile fenders and wrap-around bumpers will be shaped on injection machines that are the size of small houses. The much more this is done, the more it will push suppliers to build much bigger and larger machines. Obviously, every machine needs to have a plastic injection mold. So the injection mold will be constructed larger and larger to accommodate product design requirements.

Alternatively, advances in products and developing systems have brought about the manufacturing of small pieces that previously were not candidates for injection molding. Products such as mini electric connectors and miniature medical valves are now being designed. The tolerance requirements and small size of these kinds of components require incredibly accurate, sophisticated molding machines; these are being built now in sizes that will fit on the top of an ordinary desk. The injection molding machine tool producers are striving to build even smaller sized machines as the demand rises. So, the plastic injection mold for these kinds of molding machines are also smaller sized and smaller. There are molds now that can fit in the palm of a human hand, and the trend is toward even smaller plastic molds to suit future goods demands.

Lead Times

Lead time is specified as the total volume of time required to acquire a product, from PO to end up unit. Simply put, the lead time for a plastic mold extends from the time a purchase order is obtained by the moldmaker to the moment the mold is supplied to the firm buying the injection mold. A normal lead time today extends from 7 to 20 weeks for an ordinary mold. (This does not consist of time to debug the mold issue or try it out in a production environment.).

A lead time of 12 to 16 weeks may not seem like much to people who have been in business a while. Actually, it is an excellent enhancement over what prevailed before. In earlier times, the lead time might have been 40 weeks or more. Nonetheless, in today’s competitive environment, lead times are crucial because they dictate when a goods can get to its market. The earlier the item could be presented, the much faster it can begin bringing in profits, and the faster the business can start spending those money in new product advancement.

There are numerous ways to minimize lead times, and many are being definitely pursued today. Certain of these promise to bring lead times down to unheard-of numbers:.

Computer-generated data. Computers allow moldmakers and product designers to work very closely all together even if they are in different towns, states, or countries. As computers come to be faster and more powerful, and as computer programs become more versatile, item designs may be created and tested faster, and the same data could be.

6 Plastic Injection Molding.

used to make the plastic molds. As a matter of fact, these types of factors could be done as identical efforts so the moulds can possibly be started before the item design is even finished.

mould materials. The common technique has been to use state-of-the-art mold steels to develop the cavity and core of the injection molds. However, new metal alloys and upgrades to current alloys are allowing plastic molds to be built faster and weigh less. One alloy material that will be used widely is aluminum. Aluminum is now used primarily for prototype mould, but developments in the material alloys and acceptance by molders has made it possible to use aluminum in many production mold cases. Beryllium copper material, brass, soft steels, and even plastics including epoxies are being made use of a growing number of in an effort to reduce lead times for producing plastic injection and thus get products into the marketplace faster.

Using these aluminum alloys and new computer equipment and programs can drastically reduce lead times. Sometimes, lead times have been reduced from the typical 12 to 16 weeks to just 10 days. And the technology will soon be readily available to bring it down to only a few hours.


Advances in plastic resin have been profound. In 1995, there were approximately 18,000 different materials readily available for injection molding. These are boosting at an average rate of 750 annually. Most of readily available materials are aluminum alloy or blends of previously established materials, and a product engineer will most likely have the ability to choose from them a plastics that gives precisely the right properties for a certain requirement. Again, computer systems come into play since the designer can not perhaps go through the property values of all those materials in a practical amount of time. The computer can do it in a few secs and will certainly list the plastics that meet whatever standards the designer requires. Then the part designer can choose from only a few resin instead of 18,000. But even if a precise plastics match does not exist, the designer will have the ability to call a compounder to produce a resin that does specifically suit the requirements. Obviously, that adds an additional material to the list of 18,000, and that’s how the list advanced to begin with.


Reusing will remain to be a primary issue down the road, as it is today. Buyer acceptance of goods made of recycled materials will enhance, making it more beneficial for firms to establish such items. Technological advances will make it easy to separate discarded plastic products so they may be properly recycled. Advances in machinery and material.

Overview of the injection molding Industry 7.

ingredients will allow mingled plastics (that can not be separated) to become used in products such as parking lot bumpers, picnic tables/benches, and water-sport products such as boating docks. Some of these products are available today, but with future advances, they can be sold at more competitive prices, and their availability and use will grow. Products will be designed with recycling in mind so they may be easily dismantled and identified for material content.

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Custom rubber molding parts and extrusion are the focus of our Engineered Polymers Division (EPD). DST has over 50 years of experience in custom rubber molding and extrusion of rubber parts and products. We offer injection rubber molding, compression rubber molding, transfer rubber molding, rubber extrusions as well as cast urethane parts. We’re ISO 9001 certified.

We have the staff, molding and extrusion equipment, and the expertise to produce your rubber parts, from one to millions. Enjoy the benefits of our in-house rubber lab as well as our 3D printer, offering you rapid prototypes of custom rubber parts in days.

We employ Lean Manufacturing and other cutting edge methods to ensure that your custom rubber parts are of the highest quality, are made on time, and meet your specifications the first time.

We custom mold and extrude rubber molding parts utilizing a wide array of rubber, including Natural Rubber, Butyl, EPDM, FKM, Fluorosilicone, HNBR, Neoprene, Nitrile, Polybutadiene, Polyurethane, SBR, and Silicone. The variety of custom molded and extruded rubber and urethane products we manufacture is virtually unlimited. We custom mold rubber wheels, rubber diaphragms, rubber valves, and virtually any other compression, injected transfer or extruded rubber product you can imagine. 

Rubber molding parts

Count on DST for all of your injection, compression, transfer and extruded rubber needs!

Products Include:

ATM Replacement Parts

Cast Urethane Parts

Rubber Rollers

Rubber Conveyor Grippers

Rubber Extrusions

Rubber Belts

Covered bearings

Rubber suction cups

Light seals

Foot pads

Endless rubber belts

Drive, idler, crush, picker wheels

Vibration dampening

Airport baggage bumpers

Rapid Prototyping

Rapid Prototyping Right Now With Our 3D Printer

You want it right and you need it RIGHT NOW?  We hear from you.  That’s why we’ve invested in a state-of-the-art, rapid prototyping solution:  our 3D Printer. Send us a 3D model of your custom part using a software program like SolidWorks® and we’ll send you a three-dimensional prototype to hold in your hands.  Avoid the delays of sending out your 3D models to a rapid prototyping shop and then having to find a qualified manufacturer or fabricator.

We’ve been manufacturing custom rubber and plastic products and exceeding customer’s expectations since 1962. We’re ISO 9001 Certified. We’ve got the experience, technology and people to take your project from concept to finish…in spec, on budget and on time, all under one roof. So, when you need Rapid Prototyping RIGHT NOW, call us and watch us transform your ideas into reality in days!

ATM Replacement Parts and Components

ATM replacement parts and components are our specialties. We have decades of experience as an award winning OEM for the largest manufacturer of ATM’s in the World, providing them with a full range of components and change parts.

While several of the rollers shown in the photo are exclusive to certain customers, they illustrate the types of ATM parts we manufacture.

Our ATM parts and components are in thousands of ATM machines around the World, delivering superior, trouble-free performance in the most demanding applications. Our ATM parts include our “bullet-proof” Kevlar® reinforced transport belts, rollers, and wheels that perform flawlessly, day in, day out, in every kind of climatic condition one can imagine. 

Many of our ATM replacement parts utilize our unique proprietary millable polyurethane rubber, Millathane®, the properties of which are legendary. These include superior abrasion resistance, low-temperature flexibility, and high resilience.

DST is an ISO 9001-certified facility. Our staff is trained in Lean Manufacturing, Six Sigma and other cutting edge manufacturing methods to ensure that the highest quality parts are made right the first time, on time, to your specifications.

If you need a reliable supplier of quality ATM replacement parts and components that you can count on to deliver on-time performance, look no further than DST’s Engineered Polymers Division.

Cast Urethane Parts

Cast urethane parts are a specialty of DST. We can custom design and manufacture virtually any type of commercial or industrial cast urethane part to near net shape profiles. Cast urethane offers a longer service life compared to metal or plastic. The hardness of cast urethane parts varies from very soft to rock-like. Some types of cast urethane can be approved for FDA food contact applications. Cast urethane parts are generally lightweight, highly abrasion and impact resistant can vary in the coefficient of friction, and have excellent oil, ozone, and radiation resistance.

Cast urethane parts are often used in oil and gas exploration, printing, textiles, construction, agriculture, mining, packaging, automotive, material handling, food, and beverage as well as currency and ATM applications.

We offer you the option of low-cost, low-pressure tooling as well as limited productions runs. If you’re in a hurry, our rapid prototyping 3D printer is at your service to expedite your job. We can develop custom formulations to enhance the physical properties required by your application utilizing our decades of experience in polymer chemistry.

DST has a dedicated cast urethane work center designed specifically to enhance our automated cast urethane production equipment, utilizing the very latest lean manufacturing and Six Sigma techniques.  Call us today and put our cast urethane team to work for you!

Rubber Extrusions

We can extrude virtually any custom profile for your rubber extrusion application. We have worked on rubber extrusion projects for a wide variety of industries including poultry, furniture, door and window manufacturing (glazing), bottling, canning and bakery applications.

Our Engineered Polymers Division (EPD) operates a Davis Standard Cold Feed Thermoset Extruder. This state-of-the-art rubber extruder produces custom profiles for the food, beverage and airport baggage handling industries, just to name a few applications. It is highly accurate and maintains tight tolerances, producing superior extruded products, on-time and within specifications.

This extruder is capable of dramatically increased production runs. Thanks to this increased capacity, we now stock a wide variety of extruded rubber parts like rubber conveyor grippers, ready for same-day or next-day shipment. Of course, we are always ready to take on your custom rubber extrusion projects.  Call us today and let us quote your next project.

Rubber Rollers

Rubber rollers are a specialty of DST. When combined with our exclusive Millathane® millable polyurethane, our rubber rollers are, quite simply, the best in the industry.  Rubber rollers are often used in ATM machines and dispensers for transport and separator functions. Other common uses of rubber rollers include point-of-sale (POS) printers, printer rollers, receipt printers, printing press rollers, labeling rollers, newspaper/magazine printing rollers, and various paper path applications.

DST’s Millathane® millable polyurethane is known the World over for its superior ability to balance coefficient of friction and abrasion resistance in critical applications. In addition to Millathane®, we offer a wide range of elastomers for virtually any rubber roller application, such as EPDM, nitrile, neoprene, Hypalon®, epichlorohydrin and polyisoprene.

Give us a call and let us recommend the best solution for your rubber roller application

Rubber Conveyor Grippers

  Our new Durogrip™ rubber conveyor grippers are super tough. How tough?  

•     Tear strength is increased a staggering 100% over conventional rubber grippers! 

•     Tensile strength is increased a whopping 70% over conventional rubber grippers!

•     Flex life, hardness and coefficient of friction remain the same

•     Chemical resistance is typical of EPDM, Neoprene and Nitrile

•     Excellent resistance to aqueous cleaning, disinfecting fluids and peracetic acid

What makes Durogrip rubber conveyor grippers so tough and durable?  They’re reinforced with a proprietary high aspect ratio mineral composition that makes them as tough as nails and extremely tear resistant.  All formulations for our Durogrip rubber conveyor grippers are available for use in extrusion or injection molding.  We offer these great new conveyor grippers in EPDM, Neoprene and Nitrile.  Every formulation is FDA compliant.*  They’re available in 40, 50 and 60 durometer in radius top, square top, 3 finger, mini 3 finger, 4 finger, soft touch and gray neoprene.

Right now, we have the following Durogrip™ rubber conveyor grippers in stock and ready for immediate delivery:

•     D Style

•     D Style with holes

•     Square Top

•     3 Finger

•     Mini 3 Finger

•     Soft Touch™

•     7 Rib

How Tough Are New Durogrip™ Rubber Conveyor Grippers?  Just watch this one minute video and judge for yourself.  If you’d rather spend more time producing the product and making money instead of shutting down production to replace those torn, worn-out grippers, Get A Grip with Super Tough Durogrip™ Rubber Conveyor Grippers from DST.

Custom Plastic Fabrication & CNC Machining

Why DST?  50 years of custom plastic fabrication and CNC machining excellence. Bring us your most demanding custom plastic fabrication and cnc machining projects and your tightest tolerances.  We’ll help you choose the right material and fabricate your parts to meet your specifications and exceed your expectations. We offer you: 

•     A full-time staff of experienced plastic design and fabrication engineers skilled in CAD/CAM programs

•     Custom plastic fabrication and CNC machining of parts from the highest quality industrial materials

•     Production-run quantities without the up-front cost of custom molding or tooling

•     An entire organization dedicated to quality and getting it right, the first time

Setting the Industry Standard in Custom Plastic Fabrication and CNC Machining

We’ve invested in the CNC machining and plastic fabrication equipment to assure conformance to the strictest tolerances. More importantly, we’ve invested in people – training and developing the skilled craftsmen who can transform your most challenging and exciting designs into finished reality. Consider these value-added “extras” we offer:

•     Parts that are cleaned, de-burred and ready to install

•     Private-label drop shipping to your customers

•     Shipments that are packaged with care and labeled to your specifications – saving time and labor in your receiving department

An Extensive Inventory Has Many Advantages

DST has its own UHMW Sheet Division, pressing sheets here on our Clearwater, Florida campus.  We also have direct relationships with material suppliers across the country and around the World.  Our inventory of engineering plastics surpasses that of many distributors. This allows us to:

•     Customize materials to your specifications

•     Reduce production time

•     Utilize the latest materials

•     Save costs by volume buying

•     Deliver your parts faster

plastic moulding industry

A new report from Hyx plastic mold identifies the 750 most important manufacturers in Spain, where the injection molding industry is experiencing important changes. The process of consolidation and expansion that is taking place elsewhere in Europe is also occurring in Spain.

AMI says in its report that many of the leading privately owned companies are being taken over by larger groups, very often multinationals, and that companies have been incredibly innovative in the areas of design and engineering.

The largest end-user market is the packaging industry, which accounted for 26% of polymer usage in 2001. Although this sector tends to include some of the largest plastic molding groups—such as PET Preform mold Making manufacturer Schmalbach Lubeca (now owned by Amcor) and Holanplast (part of the Guala Closures Group)—many privately owned companies also focus their production on the cosmetics and food packaging markets.

plastic molds
plastic molds

Spain also has a large and well-developed plastic moulding industry serving the automotive sector, which accounted for 25% of polymer usage last year. Some of the leading international groups in this sector are Guardian, Venture, Visteon, Schefenacker and Faurecia. Spanish groups such as Grupo Iberofón, Zanini Auto Grup, and Mondragón Corporación Cooperativa hold important positions in this market as well.

According to the report, electrical goods, furniture, and household items are also significant within the Spanish plastics industry.

AMI’s analysis shows that the consumption of thermoplastics injection molding has increased on average by 7% per year throughout the 1990s. During the 2000-2005 period, the demand for injection molding in Spain is expected to grow above the average for thermoplastics overall, at approximately 5% per year.