TBM Disc Cutter

TBM disc cutter is a disc-shaped roller cutter mounted on the cutterhead of tunnel boring machine, which is an excavation tool for breaking hard rocks. The disc cutters can be mounted on the cutter heads of large non-excavation construction equipment such as shield machines, TBMs, pipe jacking machines, shaft boring extension machines, and are widely used in subway tunnels, railway tunnels, diversion tunnels, urban underground pipe network construction, mining and other industries.

Litian has been conducting research on the materials, heat treatment process and manufacturing process of the TBM disc cutter components, combined with on-site testing to make improvements. As a result, the tbm cutter discproduced by Litian heavy industry has been in a leading position in the industry in terms of wear resistance, high temperature oxidation resistance, toughness. Litian TBM roller cuttercan adapt to the needs of multiple types of engineering, and can meet the requirements of long-distance excavation under the compound strata of highly weathered rock, moderately weathered rock, slightly weathered rock, and has good stability and reliability.

Specifications Of Different TBM Disc Cutter

Cutter Type	Diameter		Bearing Capacity [tonne]	Structure
	[inch]	[mm]
Single Disc Cutter Double Disc Cutter	20"	508	40	Monoblock / Assembly
	19"	483	40	Monoblock / Assembly
	18"	457	28	Monoblock / Assembly
	17"	432	28	Monoblock / Assembly
	15 1/2"	394	22	Monoblock / Assembly
Single Disc Cutter Double Disc Cutter Triple Disc Cutter	12 1/2"	320	14	Monoblock / Assembly
	12"	305	16	Monoblock / Assembly
	11"	280	13	Monoblock / Assembly
	10"	250	10	Monoblock / Assembly
	9"	220	9	Monoblock
	8"	200	8	Monoblock
	7"	180	8	Monoblock
	6 1/2"	165	5	Monoblock
	6"	150	4	Monoblock
Center Disc Cutter	18"	457	42	Assembly
	17"	432	45	Assembly
	15 1/2"	394	45	Assembly
	13"	330	40	Assembly
	12"	305	35	Assembly

TBM Disc CutterFeatures

Our advanced CNC machine tools can ensure the consistency of the size of the cutter components. Combined with strict and standardized assembly process to ensure the torque of the hob. Adjust the torque in an appropriate range, so that it can well meet the requirements of the surrounding rock geology for the starting torque of the disc cutter, which is helpful to avoid partial wear of the disc cutters in different strata. We have a unique heat treatment process, which can meet the unity of wear resistance and toughness, and improve the service life of the hob.

Sealing system: The sealing system of our disc cutter adopts the world famous brand metal sealing system. During the assembly of the disc cutter, the distortion of the rubber ring may lead to air leakage, and this hidden danger is difficult to detect. We use special technology to assemble the disc cutter to correct the distortion of the rubber ring, eliminate the hidden danger of metal seal air leakage, and ensure the sealing reliability of the disc cutter.

Bearing system: Our disc cutter bearings are heavy-duty tapered roller bearings, which can bear the combined radial and axial load strength at the same time.

Litian Heavy Industry Machinery Co., Ltd (Litian Rock Tools) is a professional rock drill bits factory. We provide shank adapter, threaded button bit, mining rock toolsand ec. Contact us to know more.

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