3.2. Blade to Blade Dozing

Try these first

1. 1.

   Define cutting ratio in your own words.

   Hint

   Think about how power is distributed along the blade.

2. 2.

   What is the main purpose of U blades?

   Hint

   Consider how shape affects functionality.

3. 3.

   What is the cutting ratio?

   • A measure of horsepower per loose meter cube
   • A measure of horsepower per meter of cutting edge
   • The overall productivity of the dozer

   Hint

   Focus on how the measurement relates to the blade's functionality.

4. 4.

   True or False: Cushion blades are typically used for efficient earthmoving.

   • True
   • False

   Hint

   Think about the designed purpose of cushion blades.

5. 5.

   Calculate the specific cutting ratio for a straight blade if it uses 200 horsepower and covers 10 meters of cutting edge.

   Hint

   Use the definition of cutting ratio.

6. 6.

   Discuss the implications of choosing a U blade over a straight blade on a project with dense, rocky soil.

   Hint

   Think about the project conditions and material types.