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Study on Roadheader Cutting Load at Different …

The impact of the transient load causes the static strength of the cutting head damage; the dynamic response of the load will cause the vibration of the cutting head which result in fatigue failure. Therefore, this paper analyzes the dynamic cutting process by finite element simulation method based on the traditional theory to get the dynamic loads …

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into transverse the rock. This variation results from the pressure build up at the bit tip and the Bits Sump Angle Sump Position Ψ=360 Thrust: 19131 Torque:20927 Nc : 24 Power: 204.068 Figure 1. Plan view of the cutterhead bit layout pattern Figure 2. Shape of cutting area of the bits in various (with 115° angular spacing).

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A new model to predict roadheader performance using rock ...

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Full-Text Paper (PDF): Roadheader applications in mining and tunneling

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A new model to predict roadheader performance using rock ...

Request PDF on ResearchGate | A new model to predict roadheader performance using rock mass properties | Prediction of roadheader performance plays a significant role in the plan of tunnel construction, which is influenced by different key parameters, including rock strength, discontinuity in rock mass, type and specifications of roadheader ...

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