EJECTOR PIN (LENGHT-300MM)

Ejector pins

Ejector pins are an essential component in injection molding processes, used to push or eject molded parts out of the mold cavity once they have solidified. They play a crucial role in the automation and efficiency of injection molding operations. Here’s a detailed description of ejector pins:

1. Design and Construction: Ejector pins are typically cylindrical, straight pins made of hardened steel or other durable materials capable of withstanding high pressures and repeated use. They are precision-machined to precise dimensions to fit accurately within the ejector plate of the injection mold. The tip of the ejector pin may have various configurations depending on the shape and requirements of the molded part.
2. Function: During the injection molding process, molten plastic material is injected into a mold cavity under high pressure. Once the plastic has cooled and solidified, the mold opens, and the ejector pins are actuated. They extend into the mold cavity, pushing the molded part out of the mold cavity and into a collection area or conveyor belt for further processing or packaging.
3. Types: Ejector pins come in various types to accommodate different mold designs and part geometries:
   • Straight Ejector Pins: These are the most common type and have a uniform diameter along their entire length.
   • Stepped Ejector Pins: These have multiple diameter steps along their length, allowing for more precise ejection of complex-shaped parts.
   • Shoulder Ejector Pins: These have a larger diameter head or shoulder at the top to provide additional support and stability during ejection.
   • Sleeve Ejector Pins: These consist of a pin housed within a sleeve, allowing for controlled ejection of delicate or intricate parts.
   • Blade Ejector Pins: These have a flat, blade-like tip designed for ejecting thin-walled or fragile parts without causing damage.
4. Automation and Control: Ejector pins are typically actuated using hydraulic cylinders, pneumatic cylinders, or mechanical mechanisms integrated into the injection molding machine. The timing and sequence of ejector pin movement are precisely controlled to ensure smooth and efficient ejection of molded parts without causing damage to the parts or the mold.
5. Maintenance and Replacement: Ejector pins are subject to wear and tear over time due to repeated use and contact with the molded parts. Regular maintenance, including cleaning, lubrication, and inspection, is necessary to ensure optimal performance and prolong the life of the ejector pins. When ejector pins become worn or damaged, they can be easily replaced to minimize downtime and maintain production efficiency.

In summary, ejector pins are critical components in injection molding processes, enabling the automated and efficient ejection of molded parts from the mold cavity. Their precise design, construction, and controlled operation contribute to the quality, consistency, and productivity of injection molding operations across various industries.

We offer an extensive selection of  Ejector pins, encompassing various types, sizes, and configurations. Empowering industries with precision-engineered Ejector pins, Iglele ensures reliability, quality, and tailored solutions, offering both bulk quantities and customised manufacturing. Your seamless operation is our commitment.Contact now for any your inquiries or offer.

No guarantee for Grade Purity, breakage or thickness leakage for commercial and light duty Fittings. Pressure rating for each fittings varies for different sizes. No guarantee will be provided for the same. The sizes,images and dimensions may vary according to the different range of products. Please Confirm the exact details before placing the order. Thickness may vary according to different size and quality. Contact us for in depth technical details. T.C will be provided on special request for heavy duty fittings only. We recommend you to order heavy duty filings where highest reliability is required. No refund will be made for the wrong size order.