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LeRobot-Arena
File size: 7,338 Bytes 
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<?xml version="1.0" encoding="utf-8"?>
<robot name="so_arm101">
  <!-- metadata -->
  <property name="manufacturer" value="LeRobot"/>
  <property name="model_id" value="so_arm101"/>

  <!-- materials -->
  <material name="orange">
    <color rgba="1.0 0.5 0.0 1.0"/>
  </material>
  <material name="black">
    <color rgba="0.1 0.1 0.1 1.0"/>
  </material>

  <!-- base link -->
  <link name="Base">
    <inertial>
      <!-- approximate mass/inertia -->
      <mass value="1.0"/>
      <origin xyz="0 0 0" rpy="0 0 0"/>
      <inertia ixx="0.01" ixy="0" ixz="0" iyy="0.01" iyz="0" izz="0.01"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Base.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Base_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
    <collision>
      <geometry>
        <mesh filename="meshes/Base.stl"/>
      </geometry>
    </collision>
  </link>

  <!-- rotation-pitch link -->
  <link name="Rotation_Pitch">
    <inertial>
      <mass value="0.119226"/>
      <origin xyz="-9.07886e-05 0.0590972 0.031089" rpy="0 0 0"/>
      <inertia ixx="5.94278e-05" ixy="0" ixz="0" iyy="5.89975e-05" iyz="0" izz="3.13712e-05"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Rotation_Pitch.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Rotation_Pitch_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
    <collision>
      <geometry>
        <mesh filename="meshes/Rotation_Pitch.stl"/>
      </geometry>
    </collision>
  </link>

  <!-- upper arm link -->
  <link name="Upper_Arm">
    <inertial>
      <mass value="0.162409"/>
      <origin xyz="-1.72052e-05 0.0701802 0.00310545" rpy="0 0 0"/>
      <inertia ixx="0.000213312" ixy="0" ixz="0" iyy="0.000167164" iyz="0" izz="7.01522e-05"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Upper_Arm.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Upper_Arm_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
    <collision>
      <geometry>
        <mesh filename="meshes/Upper_Arm.stl"/>
      </geometry>
    </collision>
  </link>

  <!-- lower arm link -->
  <link name="Lower_Arm">
    <inertial>
      <mass value="0.147968"/>
      <origin xyz="-0.00339604 0.00137796 0.0768007" rpy="0 0 0"/>
      <inertia ixx="0.000138803" ixy="0" ixz="0" iyy="0.000107748" iyz="0" izz="4.84242e-05"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Lower_Arm.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Lower_Arm_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
    <collision>
      <geometry>
        <mesh filename="meshes/Lower_Arm.stl"/>
      </geometry>
    </collision>
  </link>

  <!-- wrist pitch-roll link -->
  <link name="Wrist_Pitch_Roll">
    <inertial>
      <mass value="0.0661321"/>
      <origin xyz="-0.00852653 -0.0352279 -2.34622e-05" rpy="0 0 0"/>
      <inertia ixx="3.45403e-05" ixy="0" ixz="0" iyy="2.39041e-05" iyz="0" izz="1.94704e-05"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Wrist_Pitch_Roll.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Wrist_Pitch_Roll_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
    <collision>
      <geometry>
        <mesh filename="meshes/Wrist_Pitch_Roll.stl"/>
      </geometry>
    </collision>
  </link>

  <!-- fixed jaw link -->
  <link name="Fixed_Jaw">
    <inertial>
      <mass value="0.0929859"/>
      <origin xyz="0.00552377 -0.0280167 0.000483583" rpy="0 0 0"/>
      <inertia ixx="5.03136e-05" ixy="0" ixz="0" iyy="4.64098e-05" iyz="0" izz="2.72961e-05"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Fixed_Jaw.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
    <visual>
      <geometry>
        <mesh filename="meshes/Fixed_Jaw_Motor.stl"/>
      </geometry>
      <material name="black"/>
    </visual>
  </link>

  <!-- moving jaw link -->
  <link name="Moving_Jaw">
    <inertial>
      <mass value="0.0202444"/>
      <origin xyz="-0.00161745 -0.0303473 0.000449646" rpy="0 0 0"/>
      <inertia ixx="1.11265e-05" ixy="0" ixz="0" iyy="8.99651e-06" iyz="0" izz="2.99548e-06"/>
    </inertial>
    <visual>
      <geometry>
        <mesh filename="meshes/Moving_Jaw.stl"/>
      </geometry>
      <material name="orange"/>
    </visual>
  </link>

  <!-- joints -->
  <joint name="Rotation" type="revolute">
    <parent link="Base"/>
    <child link="Rotation_Pitch"/>
    <origin xyz="0 -0.0452 0.0165" rpy="1.57079 0 0"/>
    <axis xyz="0 -1 0"/>
    <limit lower="-2" upper="2" effort="35" velocity="1"/>
    <safety_controller>
      <!-- soft limits inside hard limits -->
      <soft_lower_limit>-1.9</soft_lower_limit>
      <soft_upper_limit>1.9</soft_upper_limit>
    </safety_controller>
  </joint>

  <joint name="Pitch" type="revolute">
    <parent link="Rotation_Pitch"/>
    <child link="Upper_Arm"/>
    <origin xyz="0 0.1025 0.0306" rpy="-1.8 0 0"/>
    <axis xyz="1 0 0"/>
    <limit lower="0" upper="3.5" effort="35" velocity="1"/>
    <safety_controller>
      <soft_lower_limit>0.1</soft_lower_limit>
      <soft_upper_limit>3.4</soft_upper_limit>
    </safety_controller>
  </joint>

  <joint name="Elbow" type="revolute">
    <parent link="Upper_Arm"/>
    <child link="Lower_Arm"/>
    <origin xyz="0 0.11257 0.028" rpy="1.57079 0 0"/>
    <axis xyz="1 0 0"/>
    <limit lower="-3.14158" upper="0" effort="35" velocity="1"/>
    <safety_controller>
      <soft_lower_limit>-3.0</soft_lower_limit>
      <soft_upper_limit>-0.1</soft_upper_limit>
    </safety_controller>
  </joint>

  <joint name="Wrist_Pitch" type="revolute">
    <parent link="Lower_Arm"/>
    <child link="Wrist_Pitch_Roll"/>
    <origin xyz="0 0.0052 0.1349" rpy="-1 0 0"/>
    <axis xyz="1 0 0"/>
    <limit lower="-2.5" upper="1.2" effort="35" velocity="1"/>
    <safety_controller>
      <soft_lower_limit>-2.4</soft_lower_limit>
      <soft_upper_limit>1.1</soft_upper_limit>
    </safety_controller>
  </joint>

  <joint name="Wrist_Roll" type="revolute">
    <parent link="Wrist_Pitch_Roll"/>
    <child link="Fixed_Jaw"/>
    <origin xyz="0 -0.0601 0" rpy="0 1.57079 0"/>
    <axis xyz="0 1 0"/>
    <limit lower="-3.14158" upper="3.14158" effort="35" velocity="1"/>
    <safety_controller>
      <soft_lower_limit>-3.0</soft_lower_limit>
      <soft_upper_limit>3.0</soft_upper_limit>
    </safety_controller>
  </joint>

  <joint name="Jaw" type="revolute">
    <parent link="Fixed_Jaw"/>
    <child link="Moving_Jaw"/>
    <origin xyz="-0.0202 -0.0244 0" rpy="0 3.14158 0"/>
    <axis xyz="0 0 1"/>
    <limit lower="-0.2" upper="2.0" effort="35" velocity="1"/>
    <safety_controller>
      <soft_lower_limit>-0.1</soft_lower_limit>
      <soft_upper_limit>1.9</soft_upper_limit>
    </safety_controller>
  </joint>
</robot>