ROLLING CUTTER BITS Rolling Cutter Bits –Steel Tooth (milled tooth) –Carbide Tooth (tungsten carbide insert) Introduced in 1909 by Howard Hughes – 2 -
MATERIALS TESTING. Why are metals tested ? Ensure quality Test properties Prevent failure in use Make informed choices in using materials Factor of Safety.
1 PETE 411 Well Drilling Lesson 8 Rolling Cutter Bits.
Mechanical properties of dental biomaterials 2. To Compare the properties of two materials: Elastic Modulus of material (A) is higher than that of material.
