Metallurgical Crane: it depends on the longitudinal movement along the plant track, the transverse movement of the trolley and the lifting movement of the hook. It is applicable to the metal smelting workshop. It is a special crane for lifting molten metal in accordance with JB / t7688.1-95 and JB / t7688.15-95 standards. The application of metallurgical crane is generally applicable to the ambient temperature from - 10 ℃ to + 50 ℃, and the relative humidity does not exceed 50 ° C at 40 ℃?, The radiation temperature of the lifted molten metal to the forged hook and plate hook shall not exceed 300 ℃. Working level: A7 and A8 are used in relatively busy metallurgical casting workshops. Metallurgical cranes are mainly suitable for special cranes for metal smelting, binding and hot processing. Including open hearth furnace charging bridge crane, crown block, traveling crane, ground charging crane, material box crane, ingot removal crane, whole die crane, capping crane, clamp crane, slab turnover crane, forging crane, heating furnace charging and reclaiming crane, material box electromagnetic crane and material box grab crane. Other similar metallurgical cranes can also be used by reference. Edit the service environmental conditions in this section. The design and manufacture of metallurgical crane (hereinafter referred to as crane) shall comply with gb3811, this standard and relevant provisions of product drawings. 1. Environmental conditions 1.1 the power supply of the crane is generally three-phase AC, the frequency is 50Hz and the voltage is 380V. The upper limit of allowable voltage fluctuation on motors and electrical appliances is + 10% of rated voltage, and the lower limit (at peak current) is - 15% of rated voltage. The internal voltage loss of cranes shall not exceed 5% for ingot stripping cranes, clamp cranes, whole mold cranes with guide frames and slab turnover cranes, and 4% for other types of cranes in this standard. If the power supply has special requirements, it can be determined by the supplier and the demander through negotiation according to the needs of users. 1.2 the altitude of the place where the crane is installed and used shall not exceed 2000m (if it exceeds 1000m, the motor capacity shall be checked according to the relevant provisions of gb755). 1.3 the working ambient temperature and humidity of the crane a. the working ambient temperature of the crane is generally - 10 ~ + 50 ℃. b. The relative humidity shall not exceed 50% at + 40 ℃. 1.4 the site where the crane is used shall be free of flammable, explosive and corrosive gases, and shall comply with the provisions of relevant standards and documents. 1.5 the installation of crane running track shall generally comply with the requirements of gb10183, and it can be specified separately in case of special circumstances. YZ bridge crane, crown block and traveling crane are suitable for workshops and warehouses of factories, mines and enterprises, Carry out general loading and unloading, lifting and transportation in indoor or outdoor fixed span. The machine is divided into intermediate and heavy working systems according to the busy degree of use; Intermediate suitable for machining, metal structure, assembly and other workshops; The heavy grade is applicable to the handling work in the smelting workshop and participating in continuous production. The machine is composed of box bridge, crane running mechanism, trolley and electrical equipment. All mechanisms are operated in the operating room. When used in the open air, it shall be equipped with rainproof equipment. YZ 75-500t suspension bridge crane, crown block and traveling crane are a series of products manufactured according to international advanced standards. The whole machine has novel structure, beautiful appearance, good manufacturability, flexible and stable operation, safety and reliability.

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