Effectively utilize the tunnel cross-section! Excavation of "rectangular cross-sections" with any different aspect ratio is possible!
The "Unicorn BMR Type" is a rectangular tunneling machine that uses the earth pressure method. By adjusting the eccentricity of the eccentric shaft and the appropriate arrangement of the cutter bits, it is capable of excavating not only a "square cross-section" but also rectangular cross-sections with arbitrary aspect ratios. It can be used for connecting passages between underground structures, underpasses for tracks and roads, rainwater retention tanks, and protective walls for above-ground and underground installations. 【Specifications】 ■ Drive mechanism: Planetary gear mechanism ■ Planetary gear/fixed gear: 1/2 (internal gear) ■ Bit arrangement: Full face excavation in one rotation ■ Construction method: Earth pressure method ■ Applicable soil types: Ordinary soil, gravelly soil *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Excavation Trajectory】 ■Rectangular Section (Multi-Axis) ■Rectangular Section (Single-Axis) ■Square Section (Single-Axis) *For more details, please refer to the PDF document or feel free to contact us.
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【Uses】 ■ Connection routes between underground structures ■ Underpasses for tracks and roads ■ Rainwater storage tanks ■ Protective walls for above-ground and underground installations *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Rasa Industrial Co., Ltd. is a company headquartered in Chiyoda-ku, Tokyo, that focuses on chemical industrial products centered around phosphorus-based products, excels in machinery business related to crushing, grinding, sorting, and excavation, and specializes in the refining and recycling of rare metals within its electronic materials business. It has a diverse range of business fields with a distinctive global perspective.