What is polycrystalline diamond compact bit? A polycrystalline diamond compact (PDC) bit is a bit that uses synthetic diamond disks, called "cutters," to shear its way through rock with an ongoing scraping motion. What is PDC cutter? PDC（Polycrystalline Diamond Compact ) cutter bit inserts are sintered with selected diamond powder and tungsten carbide under high temperature and ultra-high pressure. As a general rule, large cutters (19mm to 25mm) are more aggressive than small cutters. However, they may increase torque fluctuations. How are PDC cutters made? PDC Cutters are made from tungsten carbide substrate and synthetic diamond grit. It is made...

Do you need to do residency after vet school? It is not required. So a new graduate could theoretically open his own clinic and practice solo the day after graduation. But, most vets are way smarter than that. They work in an established clinic and learn from the older vets there, several years before branching out on their own. Do VET students do residency? Residency Training Veterinarians who complete internships or who have 2 years of private-practice experience are eligible to apply for residency programs. Residency training is more specialized than an internship. Is residency required for vets? Veterinarians who...