LSR processing challenges

Liquid silicone rubber (LSR) is the material used in the liquid injection moulding (LIM) process. LSR can produce medium to high volume rubber parts more efficiently and economically than other rubber moulding processes. LSR materials have the advantages of faster moulding cycle time, which is measured in seconds as against longer time by using other methods. Normally, LSR moulding materials are premixed in a closed system where contamination is avoided or set to minimal. Using LSR in the LIM process produces less scrap from excess rubber moulding material than other methods.

Also, LRS materials are ideal for moulding smaller, complex parts. The desired properties – such as stability and ability to resist extreme temperature – can also be achieved using LSR material. The latest breed of machinery can help manufacturers achieve maximum benefits in processing LRS. Milacron Plastics Technologies offers its Roboshot all-electric injection moulding and control technologies for the processing of difficult materials, such as LSR.

Roboshot is the next generation of Artificial Intelligence (AI) in injection moulding machines, with higher precision and reliable moulding capabilitie. Engineered for greater rigidity, Roboshot's proven performance makes it the perfect solution for cleanrooms and other moulding environments that demand precise process control, high speed injection and consistent repeatability. Roboshot's AI, mould and eject protection, and injection moulding preventative maintenance features keep plastics processors running smoothly.

Roboshot can alert the operator before problems occur, providing more effective maintenance, fewer repairs and less downtime for both the machine and the mould itself, and its user-friendly functionality means you can take advantage of these features with minimal training. High Response (HR) Control enables selection from eight different modes for the pressure transfer from injection to pack for optimum moulding of the part. For thick wall parts, HR Control excels in the prevention of sink marks. For thin wall parts, it prevents warping and improves the uniformity of wall thickness.

With no oil supply, filtration or disposal, Roboshot is the energy-saving "green" machine that will help reduce operational costs. It is engineered to reduce energy consumption by 50 to 80% with repeatable and precise cycles that are 5 to 50% faster compared with hydraulic machines. Roboshot's proficiency with LSR and other hard-to-process materials also makes it a good choice in demanding markets such as medical. Better part quality made possible due to improved base rigidity along with a two-piece platen design that provides less platen deflection than conventional toggle machines, solidifying the moulding process and resulting in better part quality.

The machine also operates with less notice due to its enhanced belt design that allows the machines to run faster, quieter and with high reliability and precision. Faster cycle time is achieved via improved clamp mechanics to help boost performance and reliability. The multi-circuit lubrication system brings greater machine reliability, along with lower lubricant costs and Milacron's Roboshot is the next generation of Artificial Intelligence in injection moulding machine. reduced energy cost.

Milacron's Roboshot is the next generation of Artificial Intelligence in injection moulding machine.