Even hard rock formations can be efficiently drilled with a large diameter! A large auger drill equipped with a skid base.
The RPD-220 is a fully hydraulic rotary percussion drill equipped with a high-performance dedicated drill head model "KD-1800." It delivers a maximum pulling force of 152 kN with high torque and an impact energy of 1100 J, allowing for drilling regardless of the hardness or softness of the geological layers. With centrally arranged controls, it enables reliable operation, and it is equipped with a sliding base that allows for fine adjustments of the drilling point, moving 400 mm both vertically and horizontally. 【Features】 ■ Equipped with a high-performance dedicated drill head model "KD-1800" ■ Delivers a maximum pulling force of 152 kN with high torque and 1100 J of impact energy ■ Capable of drilling regardless of the hardness or softness of geological layers ■ Reliable operation with centrally arranged controls ■ Hydraulic clamp/rod breaker compatible with large-diameter rods *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications (Excerpt)】 ■Drilling diameter: 96–216mm ■Rotation speed: 0–70rpm ■Torque: 18kN-m ■Impact rate: 2,100bpm ■Impact energy: 1,100J ■Feeding force: 95kN ■Pull-out force: 152kN ■Mass (main unit): 8,000kg ■Mass (PU): 3,000/2,800kg *For more details, please refer to the PDF document or feel free to contact us.
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【Uses】 ■ Various large-diameter anchor construction ■ Water well drilling *For more details, please refer to the PDF document or feel free to contact us.
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Our company will celebrate its 80th anniversary in October of the 8th year of Reiwa. For many years, as a top manufacturer of boring machines, we have poured our passion into product development and have strived to refine our technology as specialists in boring. As a result, we have gained significant trust from everyone as "the Mining Research of Technology," leading us to where we are today. While leveraging our experience, we will always return to our roots and dedicate ourselves to unique product development and the establishment of boring methods to meet the needs of the times. Moving forward, we will not rest on our historical achievements but will renew our commitment to reform as "New Mining Research," build a stable management foundation, and contribute to the realization of a vibrant and prosperous society, all while earning the trust and evaluation of everyone. Our employees will unite to "move forward." We kindly ask for your warm understanding and continued support.