Shield hob - Rolling cutter - The Liaocheng XinTianXia Geotechnical Engineering Co., Ltd.

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Shield hob

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Shield hob

The shield machine is a very important mechanical equipment in the construction of underground tunneling engineering at home and abroad, and the shield cutter used has a decisive impact on the progress of the shield machine, and the shield machine excavation cutterhead is a disc excavator that rotates or shakes, which is composed of a cutter for digging the formation, a panel that stabilizes the excavation surface, an unearthed notch, a rotating or shaking driving mechanism, a bearing mechanism, etc.

The shield cutter can be classified according to the movement mode of the cutterhead, the specific installation position and installation mode and distribution shape of the cutter itself. According to the cutting principle of the tool, the cutter of the shield machine usually has two forms: cutting cutter and hob, and the rest of the cutters are auxiliary tools. Cutting knives are divided into tooth cutters, scrapers and precursor knives.

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Shield hob

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