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1.Brief introductions of ZDY-1250 full hydraulic tunnel drilling rig ZDY-1250 hydraulic tunnel drilling rig is used for coal mine: Z stands for drilling rig; D stands for tunnel; Y stands for hydraulic driven, and 1250 is the maximum output torque of 1250n. m. 2.Applications of ZDY-1250 full hydraulic tunnel drilling rig ZDY1250 tunnel drilling rig is mainly used for drilling holes of gas pumping (row), grouting hole, water injection hole, anti process and pressure relief hole, geological exploration hole and other engineering drilling holes. Drilling rig can drill holes in the range of azimuth and dip angle specified in the basic parameter table. 3.Specifications of ZDY-1250 full hydraulic tunnel drilling rig Project Unit ZDY-1250 Maximum drilling depth m 200 Open hole diameter mm Ф87/Ф115 End hole diameter mm Ф65/Ф75 Drilling pipe diameter mm 50 Drilling angle ° -90-+90 Rated output rotating speed r/min 80/170 Rated output torque n.m 1250/600 Rated power kw 22 Rated voltage v 380/660 Rated current a 42.5/24.5 Feeding force kn 60 Pullout force kn 45 Anchorage force kn 4*45 Rated advance speed m/min 0-1.5 Feed stroke mm 850 Hardness range (protodyakonov scale of hardness) fâ?¤10 Noise db(a) â?¤92 Main engine dimension (long*width*high) mm 2240*1000*1478 Total weight (without drill rod) kg 1820
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Shandong Huaxiamaster Machinery Group Co., Ltd.
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The Zdy-1250 Full Hydraulic Tunnel Drilling Rig is used for coal mine applications, including gas pumping holes, grouting, water injection, pressure relief, and geological exploration. It can drill holes within specified azimuth and dip angle ranges. The rig delivers a maximum output torque of 1250 n.m and is designed for hydraulic-driven tunnel drilling.
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Shandong Huaxiamaster Machinery Group Co., Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Shandong Huaxiamaster Machinery Group Co., Ltd. for prices, specifications and documents for Zdy-1250 Full Hydraulic Tunnel Drilling Rig.
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