eytelwein package

Subpackages

• eytelwein.belt_conveyor_design package
  • Subpackages
    • eytelwein.belt_conveyor_design.core package
      • Submodules
      • Module contents
    • eytelwein.belt_conveyor_design.extended package
      • Submodules
      • Module contents
  • Submodules
    • eytelwein.belt_conveyor_design.constants module
      • BeltCarcassType
      • BeltCoverCharacteristicsAssessments
      • CoefficientMinimumTransitionLength
      • IdlerSets
      • MinimumPulleyDiameterCoefficient
      • PulleyGroups
      • PulleyLoadFactor
  • Module contents
    • EffortForceAndRopeTravel
      • EffortForceAndRopeTravel.effort_force
      • EffortForceAndRopeTravel.rope_travel
      • EffortForceAndRopeTravel.effort_force
      • EffortForceAndRopeTravel.rope_travel
    • IdlerSets
      • IdlerSets.DEEP_TROUGH
      • IdlerSets.FIVE_TROUGH
      • IdlerSets.FLAT_TROUGH
      • IdlerSets.THREE_TROUGH
      • IdlerSets.V_TROUGH
      • IdlerSets.to_int()
    • LoadForceAndTravel
      • LoadForceAndTravel.load_force
      • LoadForceAndTravel.takeup_travel
      • LoadForceAndTravel.load_force
      • LoadForceAndTravel.takeup_travel
    • angle_of_inclination_from_height_difference_and_section_length()
    • belt_edge_distance()
    • belt_safety_factor_from_splice_strength_and_belt_tension()
    • belt_speed_from_motor_revolutions_gear_ratio_and_pulley_diameter()
    • belt_speed_from_pulley_revolutions()
    • belt_tension_from_splice_strength_and_belt_safety_factor()
    • belt_weight_per_square_meter()
    • compensation_length_at_transition_zone()
    • component_inertia_referred_to_motor_shaft()
    • convert_equivalent_angle_of_slope_to_surcharge_angle()
    • convert_surcharge_angle_to_equivalent_angle_of_slope()
    • convert_surcharge_angles()
    • cross_section_from_mass_flow_speed_density()
    • cross_section_from_volume_flow_speed()
    • cross_section_of_fill()
    • difference_edge_and_center_belt_tensions_steel_cord_belts()
    • difference_edge_and_center_belt_tensions_textile_belts()
    • distance_belt_edge_deepest_level_of_trough()
    • distance_belt_edge_to_pulley_surface_level()
    • drive_pulley_radius_from_drive_pulley_diameter()
    • effective_filling_ratio()
    • effective_filling_ratio_from_areas()
    • effective_pulley_diameter_from_shell_diameter_and_lagging_thickness()
    • effort_force_and_rope_travel_from_load_force_and_takeup_travel()
    • effort_force_from_load_force()
    • fluid_coupling_design_inertia()
    • friction_resistance_of_skirting_board_from_material_flow()
    • gear_ratio_from_belt_speed_motor_revolutions_and_pulley_diameter()
    • gear_ratio_from_motor_revolutions_and_pulley_revolutions()
    • get_material_bed_depth()
    • get_max_width_related_tension_at_group_A_pulleys()
    • get_usable_belt_width_from_skirt_board_width()
    • gradient_resistance()
    • gradient_resistance_sections()
    • height_difference_from_section_length_and_inclination_angle()
    • lagging_thickness_from_effective_and_shell_diameter()
    • length_of_belt_edge_in_transition_zone()
    • length_of_material_on_side_roll()
    • line_load_belt()
    • line_load_belt_from_belt_weight_per_square_meter()
    • line_load_from_nominal_load()
    • line_load_from_nominal_mass_flow_speed()
    • load_force_and_takeup_travel_from_effort_force_and_rope_travel()
    • load_force_from_effort_force()
    • local_belt_force_related_to_belt_width()
    • local_center_belt_force()
    • local_edge_belt_force()
    • mass_flow_from_cross_section_speed_density()
    • mass_flow_from_volume_flow_density()
    • mass_inertia_at_pulley_shaft()
    • maximal_allowable_pulley_lift()
    • maximal_cross_section_skirt_board_known_geometry()
    • mean_belt_tension_related_to_belt_width()
    • mechanical_power_from_torque_and_belt_speed()
    • mechanical_torque_from_belt_force()
    • minimal_transition_length()
    • minimum_belt_tension_from_sag_carry()
    • minimum_diameter_of_group_A_B_C_pulleys()
    • minimum_diameter_of_group_A_pulleys()
    • motion_resistance_from_torque()
    • motor_revolutions_from_belt_speed_gear_ratio_and_pulley_diameter()
    • motor_revolutions_from_pulley_revolutions_and_gear_ratio()
    • motor_revolutions_from_synchronous_revolutions_and_slip()
    • nominal_mass_flow()
    • nominal_volume_flow()
    • number_of_revolutions_from_translatory_speed()
    • part_of_belt_lying_on_side_idler()
    • partial_cross_section_above_water_fill()
    • partial_cross_section_at_water_fill()
    • pulley_diameter_from_belt_speed_and_revolutions()
    • pulley_diameter_from_belt_speed_motor_revolutions_and_gear_ratio()
    • pulley_load_factor()
    • pulley_revolutions_from_belt_speed()
    • pulley_revolutions_from_motor_revolutions_and_gear_ratio()
    • radius_from_translatory_speed_and_revolutions()
    • rating_tension_from_belt_safety_factor_and_belt_tension()
    • reduction_factor_inclined_fill()
    • reduction_factor_inclined_fill_1()
    • reference_length_of_transition_zone_for_steel_cord_belts()
    • required_skirtboard_height_from_cross_section()
    • resulting_force_from_belt_tensions_and_wrap_angle()
    • rope_travel_from_takeup_travel()
    • section_length_from_height_difference_and_inclination_angle()
    • shell_diameter_from_effective_pulley_diameter_and_lagging_thickness()
    • slip_from_synchronous_revolutions_and_motor_revolutions()
    • solve_for_used_belt_width_from_cross_section()
    • synchronous_revolutions_from_supply_frequency_and_pole_pairs()
    • takeup_travel_from_rope_travel()
    • takeup_weight_force_from_takeup_weight()
    • takeup_weight_from_takeup_weight_force()
    • total_inertia_for_single_drive()
    • total_low_speed_inertia()
    • total_power_at_drive_pulley_due_to_motion_resistances()
    • total_translating_mass()
    • total_translating_mass_empty()
    • total_translating_mass_loaded()
    • translating_mass_belt()
    • translating_mass_from_line_load_and_segment_length()
    • translating_mass_idler_carry()
    • translating_mass_idler_return()
    • translating_mass_inertia_at_pulley_circumference()
    • translating_mass_material()
    • translatory_speed_from_number_of_revolutions()
    • usable_belt_width()
    • volume_flow_from_cross_section_speed()
    • volume_flow_from_mass_flow_density()
• eytelwein.horizontal_curves package
  • Subpackages
    • eytelwein.horizontal_curves.core package
      • Submodules
      • Module contents
  • Module contents
    • Key Functions
    • force_component_towards_inside_curve_from_belt_tension()
    • force_component_towards_inside_curve_from_belt_tension_sections()
    • restraining_force_from_dead_weights()
    • restraining_force_from_tilted_idlers()
    • tilted_idler_friction_force_center()
    • tilted_idler_friction_force_inside()
    • tilted_idler_friction_force_outside()
    • weight_force_belt_center()
    • weight_force_belt_inside()
    • weight_force_belt_outside()
    • weight_force_material_center()
    • weight_force_material_inside()
    • weight_force_material_outside()
    • weight_force_of_belt()
    • weight_force_of_material()
• eytelwein.idler_design package
  • Subpackages
    • eytelwein.idler_design.core package
      • Submodules
      • Module contents
    • eytelwein.idler_design.extended package
      • Module contents
  • Submodules
    • eytelwein.idler_design.constants module
  • Module contents
    • load_factor_determining_idler_roll_load_due_to_conveyor_belt()
    • load_factor_determining_idler_roll_load_due_to_material()
• eytelwein.main package
  • Submodules
    • eytelwein.main.constants module
      • Note on naming conventions:
    • eytelwein.main.units module
      • UnitRegistrySingleton
      • configure_registry()
      • convert_to()
      • ensure_quantity()
      • format_quantity()
      • get_unit_registry()
    • eytelwein.main.validation module
      • validate_positive_count()
  • Module contents
• eytelwein.testing_methods package
  • Subpackages
    • eytelwein.testing_methods.core package
      • Submodules
      • Module contents
  • Module contents
    • lower_load_from_nominal_breaking_strength_of_specimen()
    • nominal_breaking_strength_of_specimen_from_lower_load()
    • nominal_breaking_strength_of_specimen_from_reference_upper_load_and_relative_reference_splice_efficiency()
    • nominal_breaking_strength_of_textile_belt_specimen()
    • reference_upper_load_from_relative_reference_splice_efficiency_and_nominal_breaking_strength_of_specimen()
    • relative_reference_splice_efficiency_from_reference_upper_load_and_nominal_breaking_strength_of_specimen()
    • specimen_width_from_nominal_breaking_strength_and_width_related_nominal_breaking_tension()
    • width_related_nominal_breaking_tension_from_nominal_breaking_strength_and_specimen_width()

Module contents

Eytelwein library for belt conveyor calculations.

This library provides comprehensive calculations for belt conveyor systems based on established engineering methodologies, as well as research-based methodologies for specialized applications.

Modules

belt_conveyor_design

Belt conveyor design calculations

idler_design

Idler roll load calculations

horizontal_curves

Research-based horizontal curve force calculations

testing_methods

Testing methods for belt conveyor systems

main

Core utilities including units and constants