The lubricating oil external circulation products of the worm gear reducer products has minimal oil temperature. The worm equipment reducer strategies to traverse its power. The worm gear is made of non-ferrous steel. Master information worms are usually manufactured of challenging metal. Therefore, making use of a whole lot of warmth in the software, coupled with the affect of the ambient temperature, it is challenging to handle the temperature of the reducer. Use inside of the temperature range. When the ambient temperature is decrease than 0℃, the doing work temperature of the worm gear reducer must be managed at -40℃~40℃. It is advisable to heat or use a low freezing point lubricant just before the oil is completely dissolved.