What is Ejector Sleeves ？

Ejector sleeves are essential components used in injection molding to guide and support ejector pins. They facilitate smooth ejection of molded parts from the mold, ensuring efficient production.
Gunri specializes in providing high-quality ejector sleeves that contribute to seamless part ejection. Our sleeves are engineered for durability and precise fit, ensuring reliable performance in demanding molding applications.
Specifications
Material 1: SKH51
Hardness: 59-61HRC
Length: 300mm
Coaxiality: ≤ 0.01mm
Precision: Max. 0.005mm
Material 2: SKD61
Inner hardness: 38-42HRC
Surface hardness: HV900~
Length: ≤ 1000mm
Coaxiality: 0.06mm
Precision: Max. 0.01mm
With precise grinding and strict coaxiality control, the working part of the inner hole of the products can achieve high fitting accuracy and good interchangeability with ejector pins and core pins.
Interested in improving your molding processes with reliable ejector sleeves? Contact Gunri for inquiries and discover how our solutions can elevate your manufacturing efficiency.