The Servo System Injection Molding Machine is a different type of injection molding machine from the hydraulic system. This machine is controlled by a servo controller that controls the motor speed and torque to control the pressure and flow rate of the s
Thrust ball bearing composition: Thrust ball bearing consists of three parts: seat washer, shaft washer and steel ball cage assembly. The shaft washer matched with the shaft and the seat ring matched with the housing.
K55 Casingis mainly used for the first drilling, drilling soft ground to the bedrock, in order to seal this part of the formation without collapsing, it needs to use surface casing to seal.