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 …
Scrap Tub Modification
Columbia Machine Works is assisting in improving the design and function of these scrap tubs via an actuator system which will take the place of the existing manually-operated process. In addition, we rebuilt the chute doors to get them back in parallel. This design will not only be an improvement on the efficiency of the system, but more importantly the …
Fabricating and Machining Two Large Rings
Columbia Machine Works was contracted to fabricate two 11′ diameter rings. These rings were burned out on our CNC plasma table out of two pieces of 2″ A36 plate, then welded at the seams with 100% joint penetration. They were then put on the boring mill to receive 40 equally-spaced, drilled and counterbored holes around the full diameter. Then we …
Fabricated Replacement Component for Die Casting Machine
On a nearly daily basis, we receive requests from customers to fabricate replacement parts for their machinery that are impossible to still get from the OEM. In these cases, all Columbia Machine Works has to work with, so to speak, is the broken piece of equipment that the customer ships to us and asks “can you make this?” Pictured below …
Machining Large Stainless Steel Pipe Segment
Machining a large segment of stainless steel pipe on one of our CNC horizontal boring mills.
Emergency Press Repair Work for Automotive Stamping Customer
Our customer had a critical-to-production die with a crack in it, which was only going to get worse if something wasn’t done quickly. On the other hand, our customer could not afford to have their press out of service for more than a few days (was costing them millions of dollars per day to be out of service). So, over …
Stamping Press Components Repair
CMW machined the ram square, machined the nut housings to reduce clearance, made new brass main bearings and drive line bearings, rebuilt the clutch, brake and flywheel, and made ten inch thick riser plates and extended the tiebars to make the die space larger.
Double-Counterweight Crankshaft Machining
CMW machining a new double-counterweight crankshaft on its 2019 Summit Heavy-Duty Lathe.