Blast Hole Hard Rock DTH Drilling Machine for Stone Quarry Plant

Product Description-GL-420 Standard equipped with Yuchai 4 cylinder Diesel engine YCDK80 orYC4DK100 and 55 kW Electric motor.-All structural parts reinforced for various work conditions.-The rotation unit driven by cycloid motor for higher torque and larger hole range.-New enclosure design for better appearance and convenient for maintenance and service. Optional dry dust collector for dust free drilling, more environment friendly and energy saving. -GL-420 standard equipped with plunger piston tramming motor for morepowerful climbility & more reliable quality. Detailed Photos   Own rotation unit driven by double cycloid motor for more powerful rotation and less drill tools jamming.Standard equipped with box type tramming beam and international standard construction machinery tramming tracks.Standard equipped with plunger piston motor for greater climbility and more reliable quality.  Equipped with own developed dry dust collection system for high efficiency & more eco-friendly. Product Parameters     Technical Parameterdrill pipe sizesφ 76x3,000 mmhole rangeφ 110-138 mmrotation torque2,500 N.mrotation speed0-100 rpmfeed force20 kNput up force45 kN  Construction Site   Related productAfter Sales ServiceWarranty of  DTH Drilling Rig:(1)Within the period of the first year after delivery, the main parts Drilling Rig are guaranteed to be supplied free of charge once the problem caused by the quality issue.(2) Service at working site: If need, our technical engineer can be dispatched to the working site for technical service,but the expense of ticket, accommodation, diet, service charge shall be on buyer's account.(3)Timely after-sale assistance shall be provided all the time.Company Profile-Located in Beijing,China, is an integrated corporation specialized in manufacturing and exporting top quality drilling equipment and drilling parts for decades. We are supported and assisted by a highly experienced team of designers and engineers that enable us to complete all the assigned projects successfully as per the specified requirement from our clients.   -Our products are widely used in the scope of mining, water well drilling and exploration, anchor grouting project, side slope protection engineering, oil and gas engineering,underwater rock drilling & blasting operations of seaport channel, hydropower project, national defense projects ect.FAQ:Q: Are you original manufacturer or trading company?A: We are an integrated corporation specialized in manufacturing and exporting.Q: Can you supply related drilling tools?A: Yes, we can supply full set of drilling tools, such as DTH drill pipe, DTH hammer and bit. Moreover, we have drilling equipment like air compressor, etc. as well.  Q: Which payment terms can you accept?A: Normally we prefer 30% advance payment after purchase order by T/T, 70% remaining payment before shipping by T/T.  Q: How is your delivery time?A: This will depend on your purchasing quantity. Normally we can deliver within 30 days.   Q: How can you ensure the quality?A: We have our professional QC and all the products will be strict inspection and testing for every order before shipping out. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1