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External longitudinal seam grinding machine / root cleaning machine

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External longitudinal seam grinding machine / root cleaning machine

The CNC horizontal cylinder longitudinal seam clearing machine produced by Nanjing Auto Electric Co., Ltd. adopts high-efficiency grinding processing. This equipment can be used for root cleaning and horizontal height grinding of the horizontal longitudinal seam of the horizontal cylinder, and the two functions of clearing root and remaining high grinding can be realized by the replacement of the grinding wheel and the abrasive belt. The station is mainly used for clearing and grinding of longitudinal welds. The equipment is light and compact, and it is equipped with walking mechanism and guide rails to meet the requirements of different welding stations. The utility model has the advantages of high weld grinding efficiency, low labor intensity and good grinding quality, and is an ideal equipment for polishing the longitudinal weld seam of the cylinder body.

The equipment has been widely used in pressure vessel manufacturing, marine engineering construction, petroleum, chemical, metallurgy, and electric power industries. It is also applicable to various types of horizontal cylinder manufacturing processes such as various pressure vessels, offshore platform conduits, pile pipes, casings, ribbed pipes, and wind towers. It is a special high-efficiency equipment that guarantees the quality of roots, improves the qualification rate of welding, and improves production efficiency.

 

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Technical indicator description

➤ Overall height: 7000mm;

➤ Cross arm expansion span: 13400mm;

➤ Cross arm telescopic stroke: 4000mm;

➤ Cross arm expansion and contraction speed: 0-1200mm/min;

➤ Cross arm lifting stroke: 3000mm;

➤ Cross arm lifting speed: 200-1000mm/min;

➤ Single grinding depth of grinding wheel: 15mm;

➤ Applicable pipe diameter: φ600-3000mm;

➤ The maximum depth of root cleaning: 120mm;

➤ Root width range: 15mm;

➤ Maximum size of welding rib grinding (width * height): 100mm * 15mm;

➤ Maximum amount of weld grinding: ≥0.5mm/time;

➤ The maximum efficiency of the weld height is 7.2m^2/h;

➤ Surface grinding efficiency: 30m / h;

➤ Maximum amount of grinding of single belt (width * height): ≥100mm*5mm;

➤ Vertical angle A of the grinding head: ±90°;

➤ Grinding head horizontal corner B: 0 ° -90 °;

➤ Grinding head upturn angle C: 0°-90°;

➤ Grinding head centering stroke: ±60mm;

➤ Grinding head grinding pressure range: 5Mpa;

➤ Grinding head floating stroke: ± 80mm.

Address: No. 1 Zhongxing West Road, Lishui District, Nanjing, Jiangsu, China

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