Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.  

Product Name: Djb metal Support Beams China Coal Mining Articulated Roof Beam Model NO.: DJB metal Support Beams Articulated Roof Beam Model: Djb-800/420 Length(mm): 800 Each Time Number: 1-2 Weight(Kg/M): 22.88 Body Load Capacity (Kn ): 400 Keywords: Articulated Roof Beam Brand: China Coal Mainland: China Condition: New Material: 27simn Trademark: China Coal Transport Package: Carton Box, Plastic Bagsor as Your Payment Specification: CE, SGS Origin: China HS Code: 8465910000 Product Description Introduction OfDJB Mining Cross Articulated Roof Beam PricesDJB Mining Cross Articulated Roof Beamalso known as hanged roof beam, can be used with all types of single metal pillar with the composition of metal stets for the horizontal and gently inclined coal mining face supporting roof beams of a high-intensity beam energy because of this top coal face cantilever retaining wall in front Road transport aircraft above the roof, walls and pillars of coal between a larger space without support, it is using the new flexible transport and mining machinery, mining general mechanization to achieve the conditions for general mining, and new high-end luxury mining technology necessary equipment.Hinged roof beams to achieve cantilever support, the coal pillar between the wall and have a larger space without support for the realization of mechanization of coal mining generally provided the conditions.DJB Mining Cross Articulated Roof Beam is only suitable for blasting mining face, but also the high-grade mining face roof support necessary equipment hinged roof beams are mainly based on the π-beams made ofParameter Of Welded parts.DJB Mining Cross Articulated Roof Beam PricesLength800mm,1000mm,1200mmModelDJB-800/420 DJB-1000/300 DJB-1200/300Material27simnWidth100mmHeight90mmThickness8mmLength1000mmProcessingquenching and tempering (heat treatment)Load capacitylarger than 300kN