Bushings & Guides

Parts of the guide columns

Point at a number or a part of the drawing.

1. 1Guide column

   Hardened, ground steel shaft fixed between the plates. The moving plate slides along it and stays square as it travels.

   Guide Shaft / Connecting Link

2. 2Guide column nuts

   Lock the guide columns into the fixed plates. Plain, castellated and flanged types suit different plate designs.

   Guide Column Nut (Type 2)Guide Column Nut (Type 3)

3. 3Guide column bushings

   Bronze or self-lubricating sleeves in the moving plate. They let it slide on the columns and take the wear instead of the columns. Small, medium and large sizes suit different machines.

   Guide Column Bushing (Small)Guide Column Bushing (Medium)Guide Column Bushing (Large)

4. 4Injection cylinder

   Hydraulic cylinder mounted on the fixed plate. Its piston moves the moving plate, and with it the screw, to inject the melt into the mold.

   Injection Cylinder

5. 5Injection piston rod

   Hardened, chrome-plated rod that joins the injection piston to the moving plate and carries the injection force.

   Injection Piston Rod

6. 6Lock nut

   Locking jam nut that holds the piston rod in the moving plate and stops it working loose under the repeated injection loads.

   Locking Nut / Jam Nut