Rapid Prototype Blog

Posts Tagged ‘Quality’

By 3 D lasers scanning services we mean undertaking the process of changing physical objects into precise digital models which will enable us to quickly and accurately find out the object’s shape and geometrical images. 3D laser scanning shows us the complete digital image and representation of the part or the object that we have planned to be used for reverse engineering, quality control and inspection or in other conditions while manufacturing a product. The entry of 3 D laser scanning services is quite recent in the industrial, technical, engineering and other processes. There are no hard and fast rules for its use because it is useful in most cases and the data obtained by can greatly benefit us.

One benefit of 3 D laser scanning is that size of the object to be scanned does not matter at all. There is no hard and fast rule about the size of the object which we will use for scanning. The size may range from boats, cars, aircraft, buildings, turbine blades, dental implants and mechanical parts. 3 D laser scanning has the ability to scan and provide you the best quality and highly accurate digital model irrespective of the size of the object. 3 D laser scanning systems today have become very sophisticated and are capable of scanning miniature figurines from a mere 4mm in height to a huge jumbo jet – all with incredible accuracy and resolution.

3 D laser scanning has entered into use in the industrial set up for about 10 years or so. Since then it has revolutionized the micro meteorology market especially in the aerospace and aerodynamic, automobile industry and is now also be adopted by other industries as well. Laser scanners accurately capture parts of various shape, size and material in a fraction of the time required for touch-probe measurement, resulting in increased inspection productivity. 3D laser scanning has also the capacity of acquiring hundreds of thousands or millions of points spread across the entire geometrical figure of the scanned material and thus makes it possible to accurately describe the freeform surfaces and also digitize the entire components that may lie inside the object.

The digital capability of recent scanner generations allows scanned surfaces to be displayed on screen in real-time, and dynamically adapt sensor performance according to varying surface material, color and reflectivity. 3D laser scanning services suits the requirement of the person who is operating it for measuring different measurement volumes, accuracy classes. It can also be used as a handheld option for CMM and other robotic configurations.

Today injection moulding is an integral process to the mass manufacture of products in the consumer goods, automotive, medical, aerospace, construction and packaging markets. With high production rates, design and material flexibility, low labour cost and minimal wastage it is easy to see how plastic injection moulding is the most common form of part manufacturing.

So how did we get here?

The injection mould process was born in the mid 19th century whereby a cellulose derived material was heated and moulded to retain a solid shape when cooled. The fragile nature of this material limited its uses. American inventor, John Wesley Hyatt creates Celluloid, an improved cheaper, stronger and stable material.

The potential uses of this technology saw Hyatt and his Brother patent the first injection moulding machine in 1872. Although it was but a simple plunger injecting plastic through a heated cylinder, Injection moulding provided the cheap, easy creation of multiple small parts like buttons and hair combs. However, it wasn’t until World War II that the demand for inexpensive, mass production saw the development of the first screw injection machine improving precision and quality of the plastic injection mould process. It was this 1946 amendment by James Hendry that revolutionized the injection moulding industry allowing recycled and colored plastics to be mixed with the new material before being injected.

Hendry created the first gas-assisted injection moulding process in the 1970s which allowed the quick production of complex, hollow articles. This improvement expanded the uses of injection moulding with increased design flexibility and product strength as well as reducing costs, weight and wastage.

Injection moulding uses polymers and thermoplastics. With thousands of different types of polymers and alloys, it is important you consult expert engineers to ensure you have the most appropriate material for your application.

The injection moulding process involves having a complete computer-aided drawing (CAD) of the part and mould in which to create a high quality Plastic Injection Mould for prototyping and production. Once the mould or tool is constructed, usually out of steel or aluminium, the plastic material is heated and mixed. The plastic is then forced into the mould cavity where it is pressurized by the weight of the Injection Moulding Machine. Once cooled, the hardened product can be ejected.

Plastic Injection Moulds can be manufactured for a single or multi cavity production. It is important to get quality prototypes of the part in order to discover costly design faults and mistakes before going into mould or tool production. Stereo lithography (SLA) creates prototypes using CAD and Lasers to build a resin model based on the 3D drawings.

If you are looking for design flexibility, repeatability with tolerances, low labour costs, little to no finishing of parts, minimum wastage with a wide range of material options, than you need Supaflow Engineering. For all your Brisbane Injection Moulding needs, with 25 years experience and high quality customer assurance, Supaflow Engineering is the plastic toolmakers and Brisbane injection moulders for you.

This is version #2 I used a new camcorder instead of a webcam. If you look closely you can actually see it start the next layer of material! A time lapse of this video sped up 4 times can be found here: www.youtube.com I hope you enjoyed this video. PLEASE COMMENT, RATE, AND SUBSCRIBE! www.printo3d.com