Reconditioned Cylinders and On-Site Emergency Services

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Graphic Innovators offers a broad array of cylinder repair & replacement services,  any make, any model, let us help to improve your print efficiency and save on costs!

- Restore your cylinders to original print quality

- Reduce paper, blanket, and plate wastes

- Shorten set-up and job shifting times

We can also come to you and perform emergency on-site cylinder services at your plant with our Electro Brush Plating Repairs!

- Cylinders remain in your press during repairs

- No additional labor /costs on removing & re-installing unit gearing & cylinders

- Avoid sending your cylinders out of shop, minimizing down time

- Professional technicians on-site so you know the job will be done efficiently and on time

What is electroplating?

Electroplating, also known as electrodeposition, occurs when electric current is used to coat the surface of a metal material. This coating is produced by using the metal material to be coated as a cathode immersed in a metallic salt in an electrolytic cell. The metal of the salt is the metal used to form the plate on the metal material.

What is the electroplating process?

Before a metal can undergo the process of electroplating, the metal to be plated must first be identified and properly cleaned. The cleaning done to the metal is only a cleaning performed for the purpose of removing dirt, oil, and other debris from the top layer of the metal material. The cleaning should not change the properties of the metal material. Only the color of the metal material should change as the surface is now dirt-free so that no obstructions will be present to prevent the bonding of the plate onto the metal material. After every step, the metal must be rinsed in order to remove chemicals that may remain from previous steps. This rinsing will prevent cross-contamination. Then the metal should be descaled with the appropriate acid descaler. After rinsing, the metal, if required, should be pre-plated and rinsed. Often times this pre-plated step is required where an intermediate layer is added between the metal material and the desired plate to be added. This intermediate layer is often required in order to slow down or stop reactions that occur between the metal material and the metal plate added.

The next step is final plating where electroplating occurs. The “plating bath” known best as the electrolyte, is prepared with aqueous salt containing positively charged ions of the metal to be plated on the metal material. The metal material to be plated is immersed in the aqueous solution of the electrolyte, usually in the middle, and is attached to the negative end of the power source making the metal material the negatively charged cathode of the electrolyte. The anode of the electrolyte is a metal rod of the metal to be plated on the metal material. This rod is attached to positive end of the power supply and is placed at the edge of the electrolyte. With the power source supplying the predetermined appropriate amount of circuit, the electroplating process can begin. The positively charged anode causes repulsion between the rod and the positive metal ions in the aqueous solution. At the same time the negatively charged metal material cathode causes an attraction between the metal material and the positively charged metal ions in the aqueous solution. Thus, the metal ions in solution migrate to the negatively charged metal material and through the process of electrolysis the metal ions are removed from the aqueous solution and placed onto the surface of the metal material. After this step is completed the metal material is rinse and post treatments are preformed on the metal material to ensure the plate surface is maintained. Once again the metal material is rinsed and finally dried and packaged, ready for sell.

In summary

The cylinder needs to be a room temperature while brush plating. This is what makes this process different from anything else.  It is a portable process whereby metal, copper and chrome, is deposited from a water based solution onto a metal part, in selective areas, creating an electrochemical bond. When applied properly will produce a high quality deposit with adhesion.