DYL-220 type scraper dumbbell pin

Uses: Used for the connection of the middle slot of fully mechanized mining.

Features: simple structure, easy installation and reliable connection.

Material: Use high alloy grade, forging and forming, tempering and heat treatment to ensure its strength, commonly used materials are 40Mn2 , 40CrNiMo or 42CrNiMo and other materials.

Mechanical properties: Dumbbell link strength is up to 3000kn , compared with long ring connection, the connection is more reliable.

Supporting quantity: The general comprehensive mining scraper is equipped with 200-300 dumbbell pins.