Is relying on along the workshop orbital direction longitudinal mobile, car lateral movement and hook lifting movement for work. Applicable to metal smelting workshop, conform to JB/T7688.1-95 and JB/T7688.15-95 standard of special crane for lifting the molten metal. Metallurgical crane application Generally applicable to - 10 ℃ to + 50 ℃, environment temperature, under the temperature of 40 ℃ relative humidity is not more than 50? , the lifting of the molten metal forging clasps, board of radiation temperature does not exceed 300 ℃. Level of job: A7, A8 is used in the relatively busy metallurgy foundry