What you need to know about furnace installation assistance If you purchase a Deltech production scale furnace or a Deltech specialty furnace (such as one of our 2000 degrees celsius models), on site installation assistance is normally included. To get maximum benefit from the site visit from Deltech technicians/engineers and avoid additional charges, you should …
Important information about rebuild roof and hearth parts… You will find upon receiving your spare parts order for roof or hearth pieces, that in many cases the holes have not been drilled for your elements, support tubes, thermocouples, etc. This is due to the alignment problems that can occur from having your spare parts drilled …
Prevent element damage due to arcing If your Deltech furnace is a high temperature (1500 degrees centigrade or above) model, it will likely feature molydisilicide heating elements. Regardless of the kind of connectors in use; i.e. holders and braids or buss bars, repeated thermal cycling can and will result in those connections loosening up. That creates …
Why won’t my furnace heat? If your furnace isn’t heating at all, start here: Go to the control cabinet and turn the control power and the element power off. Then turn first the control power and then the element power back on. You should hear a “clunk”. That’s the contactor (image right) allowing power to …
Controlled atmosphere furnaces…tubes and more First, about those tube models… Horizontal and vertical tube furnaces are great if you need only a relatively small work space. If you are operating at high temperatures and need to use an alumina process tube, it’s best to limit the tube outer diameter to 4″ (100mm) and …
Five Things you should know about Furnace Startup Control Parameters. Deltech is responsible for the initial configuration of your temperature and limit controllers prior to the shipment of your furnace system. This includes setting the thermocouple type, temperature scale, upper and lower temperature limits, PID values, and events. Should you wish to verify or change …
Two Furnaces for the Price of One! – Convertibles Convertible furnaces are Deltech products that you may not know about. Suppose you are planning on sharing furnace time with colleagues, but you need a controlled atmosphere tube design and they want a bottom loader. You really can have it all with a CVT/BL or CHT/BL model …
Updated: Article originally published in September 2018 has been amended with new details In standard elevator furnaces – also known as bottom loader furnaces – a mechanism is used to elevate the load platform or kiln car into the furnace body. As the heating chamber itself doesn’t move, all the internal elements (heating coils, rods, …
Controlled atmosphere front load furnace: There are many vertical and horizontal tube furnaces suppliers, but few suppliers of front load, bottom load, and top hat furnaces specially designed for processing in inert atmospheres. To do so, the furnace must be sealed: the element ports, thermocouple ports, and door access. Gas inlets will allow purging …
Tips on avoiding furnace down crises and the often related expenses… The first is keep a few spares for critical consumable components on hand. What are these “critical consumables”? Heating elements When I replace the water filter in my refrigerator, I reset a counter that indicates via a light that so many gallons have …