A Study on the Dynamic Transmission Law of Spiral Drum Cutting Coal Rock Based on ANSYS/LS-DYNA Simulation

Table 1

Spiral drum material parameters.

Name	Density	Elastic modulus	Poisson’s ratio	Yield strength	Tensile strength
Alloy head	1.464	5.95	0.23	89 HRA	1500
Tooth body	7.853	2.1255	0.3	1080	1200
Blade	7.853	2.1875	0.3	766.67	862.03
Barrel body	7.853	2.1875	0.3	766.67	862.03
End plate	7.853	2.1875	0.3	766.67	862.03
Square head	7.853	2.1875	0.3	766.67	862.03
Tooth base	7.853	2.1875	0.3	766.67	862.03