Metal Finishing chillers

May 17, 2021

Welding, electroplating and anodizing chillers for metal finishing

The finishing of forged metal parts is critical to the manufacture of high-quality products that can withstand the rigors of industry and commerce. The metal finishing process usually generates a lot of heat energy. If the heat is not properly dissipated, it will seriously affect the quality of the final product. There are several industrial cooling options to accommodate the heat generated during the finishing of these metals.

The metal finishing chiller is used in laser cooling, anodizing, paint and powder coating, quenching cooling, furnace cooling. Induction furnace coil cooling, die casting cooling, electric welding, etc. For metal cooling systems using air-cooled or water-cooled chillers, the temperature change in the anodized container is detected by a thermal sensor installed in it. Industrial chiller manufacturers like Oumal chillers can provide highly efficient metal finishing chillers for various metal finishing applications.

Anodization (electrochemical metal oxide deposition), electroplating and welding processes all generate a lot of heat, so a water cooling system is required. Anodizing of metal parts refers to the process of covering the outside with a metal film. The metal component to be processed is called the anode of an electrolytic cell, which also contains a cathode made of another element, which is immersed in a chemical bath. When current passes through the device, it removes metal ions from the cathode and deposits on the anode as a thin film. The thickness of the deposited layer depends on the duration of the anode exposure in the charged bath. As mentioned earlier, the anodization process will generate a lot of heat, which needs to be removed from the process to ensure effective and uniform metal oxide deposition. When the heat generated by the anodizing process starts to rise above a predetermined level, the control valve in the chiller system will open, allowing the coolant to flow through the heat exchanger, causing the internal temperature to drop. When the optimal temperature range is reached, these valves will also automatically close, thereby preventing overcooling of the electrolysis process. You can use Oumal's metal finishing chiller to keep the anodizing temperature at an optimal level. This effect can be achieved by using air-cooled chillers or water-cooled chillers and electrochemical cells.

Application of metal Finishing chiller

The metal finishing process usually generates a lot of heat energy. If the heat is not properly dissipated, it will seriously affect the quality of the final product. There are several industrial cooling options to accommodate the heat generated during the finishing of these metals.

Below is an overview of some applications that require the use of metal finishing coolers. Welding, electroplating and anodizing chiller for metal finishing

Laser cooling, anodizing, paint and powder coating, quenching cooling, furnace cooling, induction furnace coil cooling, die casting cooling, spot welding

Spot welding machine cooling system

When using resistance electrodes to weld joints, the heated electrodes are subjected to very high temperatures in a very short period of time. Using a water cooling system will prevent the electrode from burning out prematurely. Generally, a water pipe located in each electrode is used to maintain the welding temperature in a stable state, thereby suppressing electrode breakdown and poor welding strength.

Quenching tank cooling

This metal cooling technique involves completely immersing the material in a container surrounded by a heat exchanger. The heat transferred from the metal parts to the cooling box is dissipated through the heat exchanger, and the coolant (usually a mixture of glycol and water) from the chiller unit circulates through the heat exchanger.

Die casting cooling system

Metal forging of various shapes and designs is a process that requires strict temperature adjustment to ensure the best results. The typical setup of a die casting cooling system includes a cooling tank/mold into which molten metal can be poured. Attached to the vessel is a heat exchanger that circulates the chilled fluid, thereby taking heat away from the process.

Induction furnace cooling system

Various methods are currently being used to achieve induction cooling. Most industrial induction cooling equipment uses a closed loop device that transports air or water in the heat exchanger during the manufacturing process.

Quenching tank cooling

This metal cooling technique involves completely immersing the material in a container surrounded by a heat exchanger. The heat transferred from the metal parts to the cooling box is dissipated through the heat exchanger, and the coolant (usually a mixture of glycol and water) from the cooler unit circulates through the heat exchanger.

Die casting cooling system

Metal forging of various shapes and designs is a process that requires strict temperature adjustment to ensure the best results. The typical setup of a die casting cooling system includes a cooling tank/mold into which molten metal can be poured. Attached to the vessel is a heat exchanger that circulates the cooled fluid, thereby taking heat away from the process.

Induction furnace cooling system

Various methods are currently being used to achieve induction cooling. Most industrial induction cooling equipment uses a closed loop device that transports air or water in the heat exchanger during the manufacturing process.

Like other cooling systems with heat exchanger functions, induction furnace cooling systems usually use a glycol-water mixture as a chiller. This water-cooled induction heater will help achieve the required temperature regulation.

Metal Finishing Chillers selection method:

To determine the size of chiller you’ll need for your metal finishing operation, follow this formula:

  1. Obtain output of rectifier (Amp & Volts)
  2. Obtain total BTU's Total BTU's = Amps x Volts x 3.414
  3. Calculate tons of cooling capacity Tons = BTU ÷ 12,000
  4. Size chiller by rounding up to the closest standard unit size

For example:

  1. Rectifier output Is 1,000 Amps & 24 Volts
  2. Total BTU's = 1,000 x 24 Volts x 3.414 = 81,936
  3. Tons= 81,936 ÷ 12,000 = 6.83 tons
  4. This application will require a 7.5-Ton unit

If you want to know more about the different chiller options we offer, please request a quote now!

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