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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![How Automated Material Feeding Improves LSR Manufacturing Efficiency]()
How Automated Material Feeding Improves LSR Manufacturing EfficiencyAs labor costs continue to rise and quality requirements become stricter, manufacturers are increasingly adopting automated material feeding systems in liquid silicone rubber production.
06/09/2026
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![How Does Vacuum Assistance Improve LSR Injection Molding Quality?]()
How Does Vacuum Assistance Improve LSR Injection Molding Quality?In liquid silicone rubber (LSR) manufacturing, product quality is heavily influenced by how effectively air is removed from the mold cavity. Trapped air can lead to bubbles, incomplete filling, surface defects, and reduced product consistency.
06/08/2026
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![Why Is Shot Size Accuracy Important in Liquid Silicone Rubber Molding?]()
Why Is Shot Size Accuracy Important in Liquid Silicone Rubber Molding?Precision is one of the key advantages of liquid silicone rubber molding. However, achieving consistent product quality depends heavily on accurate shot size control.
06/08/2026
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![How Clamp Force Selection Affects LSR Injection Molding Performance]()
How Clamp Force Selection Affects LSR Injection Molding PerformanceClamping force is one of the most fundamental parameters in liquid silicone rubber injection molding. While many manufacturers focus heavily on injection pressure, metering accuracy, and mold design, the selection of proper clamp force directly influences product quality, mold lifespan, process stability, and overall production efficiency.
06/03/2026
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![How Closed-Loop Injection Control Improves LSR Molding Stability]()
How Closed-Loop Injection Control Improves LSR Molding StabilityAdvanced manufacturing systems are now integrating digital monitoring, servo-driven motion control, and intelligent process optimization to reduce variability during molding cycles.
05/29/2026
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![Energy Consumption Optimization in Modern LSR Injection Molding Machines]()
Energy Consumption Optimization in Modern LSR Injection Molding MachinesAs manufacturing industries move toward sustainable and cost-efficient production models, energy optimization has become an increasingly important factor in liquid silicone rubber injection molding.
05/28/2026
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![LSR Injection Machine Guide: How Proper Maintenance Extends Injection Machine Lifespan]()
LSR Injection Machine Guide: How Proper Maintenance Extends Injection Machine LifespanLiquid silicone rubber injection molding machines operate under highly specialized production conditions that require long-term precision, thermal stability, and continuous mechanical reliability.
05/19/2026
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![What Are the Advantages of Integrated Horizontal Injection Molding Machines?]()
What Are the Advantages of Integrated Horizontal Injection Molding Machines?Integrated horizontal injection molding machines have become increasingly important in modern liquid silicone rubber manufacturing due to their ability to combine automation, precision, and production efficiency into a single system architecture.
05/18/2026
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![High-Precision Liquid Silicone Rubber Injection Molding: How to Achieve Micron-Level Tolerance Control]()
High-Precision Liquid Silicone Rubber Injection Molding: How to Achieve Micron-Level Tolerance ControlAs medical devices, wearable electronics, automotive sealing systems, and micro silicone components continue evolving toward miniaturization and precision manufacturing, micron-level dimensional control has become increasingly important in Liquid Silicone Rubber injection molding.
05/15/2026
How Two-Shot Molding Sequences Impact Overall Cycle Time
Two-shot molding, also known as multi-shot or double-shot molding, involves injecting two different materials into a single mold to create a composite part in one automated process. While this technique eliminates the need for a separate assembly step, thereby saving time downstream, the overall cycle time within the molding machine itself is more complex than a single-shot process. The total cycle includes the time for the first shot, cooling, mold rotation or core transfer, the second shot, and final cooling/ejection.
The sequential nature of two-shot molding means that the machine cannot produce a finished part until both materials have been injected and adequately cured. If the two materials have vastly different optimal processing conditions (e.g., different mold temperatures), transitioning between shots can add time. The mold might need to heat or cool specific zones, or the machine might need to wait for the first material to reach a certain state before injecting the second. This interlude between shots is 'dead time' that doesn't exist in single-shot molding.
However, the benefits often outweigh this added complexity. The elimination of a manual or secondary automated assembly process removes a significant amount of time from the total 'cradle-to-grave' production time for the part. The precision of automatic alignment in the mold is typically superior to manual assembly, reducing defects and rework. Furthermore, modern two-shot machines are highly sophisticated, with coordinated movements and rapid indexing capabilities that minimize the non-productive time between shots.
The key to optimizing cycle time in two-shot molding lies in the design of the process sequence and the mold itself. Efficient mold design minimizes the cooling time required for the first shot before the second can be injected. Using materials with compatible processing windows reduces the need for thermal adjustments. Programming the machine for maximum overlap of operations (e.g., starting mold rotation as the first shot holds pressure) can reclaim valuable seconds. When executed well, two-shot molding can be a net positive for overall production speed and efficiency.