Effectively utilize the tunnel cross-section! Excavation of "rectangular cross-sections" with any different aspect ratios is possible!
The "Unicorn BMR Type" is a rectangular tunneling machine using the earth pressure method. By adjusting the eccentricity of the eccentric axis and the appropriate arrangement of the cutter bits, it is capable of excavating not only a "square cross-section" but also a "rectangular cross-section" with any different aspect ratio. It can be used for connecting passages between underground structures, as well as 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 ■ Method: Earth pressure method ■ Applicable soil types: Ordinary soil, gravel mixed 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 Cross-section (Multi-axis) ■Rectangular Cross-section (Single-axis) ■Square Cross-section (Single-axis) *For more details, please refer to the PDF document or feel free to contact us.
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【Uses】 ■ Connecting passages 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, machinery business specializing in crushing, grinding, sorting, and excavation, and an electronic materials business characterized by the refining and recycling of rare metals. It has a diverse range of business fields with a distinctive global perspective.