How To Regrind Drill Bits Using a Quorn Tool & Cutter Grinder

This video tutorial demonstrates the process of grinding a drill bit using a corn tool and cutter grinder. It covers the setup of the drill bit in the collet, the necessary offsets and positioning, and the grinding process itself. The tutorial also includes tips for achieving precise offsets and adjustments using various tools and methods. The video concludes with final adjustments and a demonstration of grinding a small drill bit.

What is the purpose of offsetting the drill bit laterally during the grinding process?

• To align the drill bit with the grinding wheel

• To accommodate the drill bit's size

• To adjust the drill bit's length

• To ensure the drill bit is centered

Which tool is suggested for ensuring the drill bit flutes are parallel to the axis of rotation?

• Microscope

• Tri Square

• Dial Test Indicator

• Gauge Blocks

What angle should the spindle dial be set to before grinding?

• 118 degrees

• 31 degrees

• 25 degrees

• 0 degrees

How is the relief of the conical flank measured after grinding?

• With a micrometer dial

• Using a dial test indicator

• By visual inspection

• Using a calibrated graticule

What is the maximum drill bit size that can be ground with the ER32 collet modification?

• 20 millimeters

• 15 millimeters

• 10 millimeters

• 25 millimeters