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
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. Even small variations in injected material volume can affect product dimensions, weight, and performance.
Quick Answer
Shot size accuracy ensures that the correct amount of liquid silicone rubber is injected into the mold cavity, helping maintain consistent product quality, reduce material waste, and improve production efficiency.
What Is Shot Size in LSR Molding?
Shot size refers to the amount of material injected into the mold during each molding cycle.
In LSR molding, the material is typically supplied through a metering and feeding system that controls the ratio and volume of silicone components.
Accurate dosing is critical because LSR products often require tight dimensional tolerances.
Problems Caused by Inaccurate Shot Size
If too much material is injected, manufacturers may experience:
Flash formation
qExcess material consumption
Increased mold wear
If too little material is injected, problems may include:
Short shots
Incomplete filling
Product rejection
Both situations increase production costs.
How Modern Equipment Improves Accuracy
Modern LSR injection molding machines use servo-driven dosing systems and closed-loop control technologies.
These systems continuously monitor injection parameters and automatically adjust material delivery.
Benefits include:
Better repeatability
Reduced material waste
Stable product dimensions
Improved production efficiency
Applications Requiring High Accuracy
Shot size accuracy is especially important for:
Medical silicone components
Baby care products
Automotive connectors
Electronic seals
These products often require strict quality control and consistent performance.
Expert Tip
Regular calibration of feeding and dosing systems helps maintain long-term accuracy and reduces unexpected quality issues.
FAQs
Q1:What is shot size in LSR molding?
A:It is the volume of silicone material injected during each molding cycle.
Q2:Why is shot size accuracy important?
A:It helps maintain product consistency and reduces defects.
Q3:What causes shot size variation?
A:Poor calibration, equipment wear, and inconsistent feeding systems.
Q4:How can manufacturers improve accuracy?
A:By using servo-controlled dosing systems and performing regular maintenance.
Q5:Which industries require the highest accuracy?
A:Medical, automotive, and electronics industries often require very precise molding processes.