Thermoplastic injection molding

Thermoplastic injection molding

ST. construction of moulds for plastic materials, technical and sports articles. We specialise in the construction of mono-injection and bi-injection moulds in aluminium and steel for any type of plastic product. We have a workshop with 10 high quality workcentres with 3, 4 and 5 axes, and various CAD-CAM stations for designing mouldst. The largest tecnology for moulds plastic materials.

Moulds for plastic materials
Unique prototypes, perfectly finished, made with high quality materials for guaranteed long-life, with high-tech design solutions starting from the drawing or mathematical model of the final product supplied by the customer, SI.MEC’s technical office develops the mould project, in constant co-operation with the customer, offering the solutions most suitable for the specific characteristics: in this phase, the creativity and experience of the technicians integrate with the use of constantly evolving software.

ST group moulds- custom plastic injection molding service company in China
solutions for designing and making mouldsThanks to the on-going innovation of the software programs we use, we can pin-point the best solutions for designing and making moulds. Our technical office is always ready to adopt new solutions to satisfy the customer.

We are presenting some of our projects, achieved with renewed creativity, with the tiniest details taken care of, by controlling all process stages of the production of thermoplastic injection molding.

Plastic moulds parts
Unique prototypes, perfectly finished, made with high quality materials for guaranteed long-life.

A wide range of products and moulds for the plastic material industry like:

plastic mold partsElectroerosion for moulds for plastic material
Pallet changes
Mould adaptation
Polishing
Sandblasting and assembly
Plastic mould parts

the molding company
Injection moulds
Co-injection moulds
Manufacturer of plastic moulds
Plastic moulding

Plastic Molding Manufacturing
Injection mould
Moulds design
Moulds manufacturing

plastic molding company
Thermo plastic moulds
Moulds for plastic
Plastic materials for technical and sport articles
For further information about our products catalogue, please visit our official website: www.simec-moulds.com

Injection Molding

Non stick coatings for injection molding Parts?

Yes! Just recognize the difference between ‘lubrication’ and ‘release’ and you need never fail again.

Today, there are a number of hard coatings for you, the mold maker, to choose. Many are conformal in nature and replicate surface geometry and finish. Many, too, resist thermal oxidation and can wear well. But what about release? You know, actual non-stick properties, like an egg cooked in a fry pan?

The answer for injection molding is not lubrication. And here is why.

Lubrication is defined as a means to reduce friction or wear. That is true. But it is meant to be a substance between two bodies in relative motion, a load bearing interface between two solid, cohesive surfaces. And that is not what you find when you heat the mold surface above your material glass transition temperature (Tg). Which is why hard coatings designed exclusively for lubrication fail.

Depending on the compounds you are molding, ‘sticking’ failures can manifest in a number of ways: skinning, loss of polymer mobility, lower gloss and surface roughness. Hard coatings ‘with lubrication’ can negatively affect heating and cooling which, alone, can alter depth and visibility of weld lines.

On the other hand, hard coatings for non stick can make significant improvements to finish. Surface flaws can be eliminated. And that means no more painting. Structural imperfections, too, like molded in stresses, which lead to warping or distortion, can be a thing of the past.

Unfortunately, Plastic mold makers who have had negative coating experiences are reluctant to re-consider. No different than those currently experiencing satisfactory but marginal performance. Why change, they say. Especially when you believe you have tried or know about all the coatings available, today, like plating, Teflon or PTFE, PVD or PACVD.

So, where is your answer? Just ask around. You will not have to look far. The answer, you will discover, is with those who understand surface forces, the characterization of adhesion, non stick coatings for injection molding parts.

Want more information? Need help with your surface engineering?

William Gunnar, a degreed scientist, researcher, engineer, and friend, has helped thousands of ‘best of class’ product designers and equipment manufacturers — for nearly 20 years now — surface engineer with coatings for success.

His publication, brings wisdom, honesty, leading edge information, and no nonsense advice to thousands weekly. Put together by some of the world’s leading experts in coatings and manufacturing, his FREE newsletters are truly must-reads for those who want to be ‘in-the-know’.