Monthly Archives: January 2015

9 Essential Features of Your Curing Oven

A Composite curing oven can be used for a number of processes including composite curing, powder coating, drying, and more.

When purchasing a curing oven, there are a lot of options to consider. This blog highlights the top Curing Oven features requested by our customers.

Composite Curing Features & Options

  1. Vacuum pump and accumulator tank: This allows the curing oven to be self contained and minimize your costs since you won’t have to provide a separate vacuum supply.
  2. Static ports: Allows for the routing of test wires and probes to other equipment.
  3. Gas fired, indirect, or electric: When purchasing an oven it’s important to consider which power supply options that are available at the location as well as which option is better for the process you are looking to perform in your unit.
  4. Thermocouple Jack strips: These strips allow for users to obtain the most accurate temperature reading possible whether your oven is 2 feet long or 40 feet long.
  5. Digital Control Software: Digital temperature control settings maintain temperature accuracy during curing processes as well as enabling repeatability, recipe management, ease of use, ease of training, and validation.
  6. Data acquisition system (Paperless Chart Recorder with Flash Memory or Ethernet Cable Connection): Your curing oven can come equipped with recording systems that provide permanent records of your processing temperatures.
  7. Motorized damper “Cooling Fans” for systematic temperature cool down rates: These fans are the ideal solution for accurate and controlled cooling, airflow regulation, and exhaust tracking control for any curing process.
  8. On-Site Installation and Start Up: This is an integral feature. One of the most common and unnecessary expenses extend from incorrect self-installation. Consider having the manufacturer set up, start up, and train you to use the unit.
  9. Nema 4, 3 Phase Control Panel with disconnect: This weather proof control panel provides efficient and accurate power to your unit with minimal energy loss while reducing power costs.
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Curing Oven: 4 Critical Questions

A curing oven can come in all shapes, sizes and levels of quality.  If you are planning to cure high-quality items, it is critical to use a curing oven that is built to perform.  Since most people only buy curing ovens once in their life, we thought we would help everyone out by sharing our top questions so you find the best curing oven to fit your unique needs.  Here are four of the more important questions you should ask to make sure you are getting the best oven. Top four questions when considering a curing oven:

1. Does your curing oven have great uniformity? Air Uniformity is the key factor in a curing oven. Usually, an oven should use 10 to 75 air changes per minute depending on fan speed and cubic feet per minute.  Most customers require a plus or minus 10-25 degrees.

2. Is there a guarantee air won’t leak and the doors will seal properly for the life of the curing oven?  For the majority of ovens, the oven doors will sag over time if not engineered properly. It is essential to find a manufacturer that will guarantee their doors forever.

3. What kind of Control Systems work best? Digital PID controls can be employed with either single point or a ramp soak settings. These are the most common controls for a straight forward curing oven.  The more sophisticated curing ovens utilize PLC’s (programmable logic controllers) are used with custom software developed by the end user or by the curing oven manufacturer.  Make sure the manufacturer is a U.L. Accredited Panel Shop. Each control panel should have a U.L. Classified Sticker affixed inside. All components in the U.L. Classified Control Panel should also be U.L. listed or recognized.

4. What is the airflow system? The plenums that deliver the air should be fully adjustable on both the delivery plenums and the return air plenums. It is optimal for air to be delivered via side wall ducts and returns via roof ducts.

 

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You can also call us at Baker Furnace anytime to ask a question.  We are always happy to help.  714-223-7283.