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Nitriding furnace mold nitriding surface layer appearing reticulate and corrugated, needle or fishbone nitrides and thick white brittle layer will lead to mold toughness reduction, brittleness increas... (more…)

Sintering furnace is a furnace used in a high temperature environment, it is most used in the steel industry, metallurgy industry and other industries. And it can be used in the same way for high temp... (more…)

Resistance furnace power installation distribution,Industrial furnace heating time requirements1. box-type furnace: furnace door at the installation of 1/3-1/4 power... (more…)

Before loading the furnace, the dust and impurities in the furnace must be cleaned up.Workpiece must be loaded from the bottom to the top of the order of the furnace (to prevent the workpiece falling... (more…)

Tempering furnace Shanghai temperature uniformity requirements for the 650 ¡æ 5 ¡æ (inflated 4.5Pa stirring cycle). The beginning of the temperature measurement can only be 645.℃, less than the design... (more…)

The flow and pressure of ammonia can be adjusted by needle valve. The pressure in the tank is measured by a U-shaped manometer, which is generally controlled at 30~50mm oil column... (more…)

Comparison table of ammonia decomposition rate, hydrogen content and nitrogen potentialAmmonia decomposition rate % Hydrogen content % Nitrogen potential... (more…)

oil pump will be quenching oil tank in the old oil pumping, the pipeline in the old oil should also be drained (can be opened at the joints to exhaust the old oil).... (more…)

completely eliminates the oxidation and decarburization of the surface of the workpiece during the heating process, and can obtain a clean surface without deterioration layer. This for those in the sh... (more…)

Gray cast iron and spheroidal graphite cast iron softening annealing, in fact, is a kind of heat treatment for carbide decomposition, for non-alloyed... (more…)