For consistent production of imitation landscaping stones, their molds must be heated uniformly. - A hot oil circulation method was determined to be the best for the operation, considering the uniformity needed. The hot oil (275° F) is circulated continuously through the molds while each press is in operation. The heat source is one Chromalox Electric Circulation Heater at each press. This was considered to be the most compact heating package and by far the easiest to install and use. Oil is continuously pumped through the heaters and molds. A thermostat in each heater maintains oil temperature constantly at 275° F. Results: A high-quality product from each operation of each press. Rejects: None.

Join for free to read