Recent Posts
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![Meet TYM at K 2025 -The World’ s No.1 Trade Fair for Plastics and Rubber]()
Meet TYM at K 2025 -The World’ s No.1 Trade Fair for Plastics and RubberWelcome to the World’s No.1 Trade Fair for Plastics and Rubber -K 2025, taking place from October 8–15, 2025 at Messe Düsseldorf, Germany. As a professional LSR injection molding machine, mold, and robot solution provider, TYM Technology Co., Ltd. is proud to present our latest innovations at Booth 16E77.
09/23/2025
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![ISO 9001, CE, CCC: What These Certifications Actually Mean for Your Equipment Purchase]()
ISO 9001, CE, CCC: What These Certifications Actually Mean for Your Equipment PurchaseWhen you're evaluating LSR injection molding machines from an overseas supplier, certification logos on a company website can start to blur together. ISO 9001, CE, CCC — they all sound reassuring, but they don't all mean the same thing, and they don't all matter for the same reasons. Understanding what each certification actually covers will help you ask better questions during due diligence and avoid assuming a certificate guarantees something it doesn't.
07/17/2026
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![Turnkey LSR Injection Molding Solutions]()
Turnkey LSR Injection Molding SolutionsLaunching a liquid silicone rubber (LSR) injection molding operation involves far more than simply purchasing a machine. From material selection and mold design to automation integration and staff training, the journey from concept to full-scale production presents numerous challenges—each with the potential to delay your time-to-market and inflate your budget.
07/14/2026
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![Industrial Silicone Seals & Waterproof Parts: LSR Guide]()
Industrial Silicone Seals & Waterproof Parts: LSR GuideThis guide helps product and sourcing engineers who need reliable industrial sealing components-gaskets, O-rings, grommets, and enclosure seals-understand why LSR injection molding is the preferred process for waterproof parts at volume, and how to specify them.
07/10/2026
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![LSR Prototype to Production: Timeline & Process]()
LSR Prototype to Production: Timeline & ProcessA typical liquid silicone rubber (LSR) part moves from prototype to mass production in about 10-18 weeks, spanning design/DFM, prototyping, production mold fabrication, T1 sampling and validation, and pilot-to-ramp - with mold build and validation being the longest stages.
07/07/2026
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![LSR Injection Molding Machine Parameters Explained]()
LSR Injection Molding Machine Parameters ExplainedAn LSR injection molding machine spec sheet lists dozens of numbers, but only a handful decide whether your silicone parts cure fully, stay flash-free and cost little to run. This 2026 guide explains the parameters that matter most, so engineers and buyers can compare machines on the specs that actually affect part quality, not marketing figures.
07/02/2026
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![Automatic vs Semi-Automatic Silicone Molding Lines]()
Automatic vs Semi-Automatic Silicone Molding LinesThis guide is for production and procurement decision-makers sizing a new LSR line—comparing the two configurations across throughput, quality, cost, and payback so you can match the investment to real demand.
07/01/2026
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![LSR Cold Runner Systems: Cut Waste & Cost]()
LSR Cold Runner Systems: Cut Waste & CostLSR cold runner system is the single fastest way to cut material waste and labor out of liquid silicone rubber molding. By keeping the silicone liquid until it reaches the cavity, it eliminates cured runners and trimming entirely. This guide helps process engineers and buyers decide when a cold runner pays for itself.
06/30/2026
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![How to Select LSR Injection Molding Machine Tonnage]()
How to Select LSR Injection Molding Machine TonnageChoosing the right clamping force is the single most consequential spec decision when buying a liquid silicone rubber (LSR) injection molding machine. Pick too little and you fight flash on every shot; pick too much and you pay for energy and floor space you never use.
06/29/2026
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![Liquid Silicone Rubber Market 2026: Size, Growth & Demand Drivers]()
Liquid Silicone Rubber Market 2026: Size, Growth & Demand DriversThe global liquid silicone rubber (LSR) market is valued at roughly USD 3.4-3.8 billion in 2026 and growing about 7-9% annually, led by medical-grade demand (~44% of revenue) and rising EV production. Asia-Pacific dominates manufacturing capacity.
06/26/2026
Optimizing Holding Pressure Time to Reduce Overall Cycle Duration
Holding pressure is applied after the initial cavity filling to pack more material into the part and compensate for shrinkage as the material cools and solidifies. This phase is crucial for achieving correct part dimensions and minimizing sink marks or voids. However, the duration of the holding pressure phase directly impacts the overall cycle time. Traditionally, long hold times were used to ensure complete compensation for shrinkage. Modern understanding and techniques allow for significant optimization, reducing this time without sacrificing part quality.
The key is to apply holding pressure only for as long as it is effective. As the material in the gate area freezes, it cuts off the flow of additional material from the injection unit. Continuing to apply holding pressure beyond this point ('gate freeze') is futile and simply adds dead time to the cycle. By determining the precise moment of gate freeze, either through empirical testing or advanced cavity pressure sensors, the holding time can be minimized to just the necessary duration.
Part geometry and material properties dictate the optimal holding strategy. Thick-walled parts typically require longer hold times as their cores take longer to solidify and shrink. Thin-walled parts may need very little or no hold time at all. Materials with high shrinkage rates or those prone to sink marks might benefit from a higher holding pressure for a shorter time, rather than a lower pressure for a long time. Tailoring the holding pressure profile (starting high and dropping off) can also optimize this phase for speed and quality.
Switching from a time-based to a pressure-based or position-based end-of-hold criterion is a powerful optimization technique. Instead of holding for a fixed number of seconds, the machine switches to the next phase (cooling) once the screw position stops changing significantly or the cavity pressure reaches a certain threshold. This dynamic approach ensures that holding is neither too short nor unnecessarily long, directly contributing to a shorter, more efficient cycle time tailored to the specific requirements of each unique part and material combination.