Columbia Machine Works rebuilt this linkage for a die casting machine. The linkage was first disassembled, cleaned, and inspected. We then removed all of the bushings and line-bored the linkage bores to bring them back to spec. New pins and bushings were machined to match the bores, then the linkage was re-assembled and painted. Die casting and injection molding machinery …
Machining Large Tie Bar From an Injection Molding Machine
Columbia Machine Works made repairs to this tie bar and then machined it in our largest CNC lathe.
Machined Prototype Part
Columbia Machine Works machined this prototype part on one of our Haas machining centers.
Machining Large Weldment
Columbia Machine Works machined this large weldment on our largest CNC horizontal boring mill. This was fabricated in-house.
Machining Gear on Drive Shaft Using 4th-Axis Machining
Columbia Machine Works machined this custom gear on a drive shaft for one of our customers using a 4th axis attachment on one of our Haas machining centers.
Connecting Rod Fabrication
Columbia Machine Works fabricated and machined this stamping press connecting rod from stock material to get a stamping customer back into production quickly.
Refurbishing 15″ Diameter Tie Bar for a Die Casting Machine
Pictured is one of the larger size of tie bars (15″ diameter) that we refurbish in our largest CNC lathe. Everything you see in this photo was machined new by Columbia Machine Works onto an existing tie bar that had broken. New tie bars, as well as most any die casting or injection molding machine components, are expensive to replace. …
Machining Stamping Press Ram
Columbia Machine Works re-machined surfaces on the inside and outside of this ram for a large stamping press. The work was performed on a large CNC horizontal boring mill.
Line Boring Die Casting Machine Linkage Pin Holes
Columbia Machine Works repaired the linkages for these die casting machine platens. We cleaned up the bores, made new bushings and pins, and re-assembled the linkage to get it back in the proper working order.
Repairing an Ejector Plate for a Die Casting Machine
Columbia Machine Works repaired this ejector plate for a die casting machine. The first step was to grind the cracks out of the plate and weld them up. We then machined the closing cylinder mounting surfaces, ensuring that any welding on the cracked cylinder mounting holes were machined out. Pictured here, the next step was line boring the guide rod …