The present disclosure relates to grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis wherein the support system comprises an arm or lever system to control vertical movement of the grinding machine and means to provide grinding pressure, wherein the means to provide grinding pressure may be a linear actuator and load cell assembly pivotally connected to the arm or lever system.

The present disclosure relates to grinding apparatus for grinding the hard metal inserts of rock drill bits, said grinding apparatus having said grinding machine equipped with a grinding cup driven by a motor to rotate about its longitudinal axis wherein the support system comprises an arm or lever system to control vertical movement of the grinding machine and means to provide grinding pressure, wherein the means to provide grinding pressure may be a linear actuator and load cell assembly pivotally connected to the arm or lever system.

Methods of forming a cutting element include leaching a diamond table of the cutting element and subsequent to leaching the diamond table of the cutting element, forming a chamfer on the diamond table of the cutting element at an interface between a cutting surface of the diamond table and an outer side surface of the diamond table. Methods of forming earth-boring tools include forming a cutting element and securing the cutting element to a body of the earth-boring tool. Forming the cutting element includes including leaching a diamond table of the cutting element and subsequent to leaching the diamond table of the cutting element, forming a chamfer on the diamond table of the cutting element at an interface between a cutting surface of the diamond table and an outer side surface of the diamond table.

Methods of forming a cutting element include leaching a diamond table of the cutting element and subsequent to leaching the diamond table of the cutting element, forming a chamfer on the diamond table of the cutting element at an interface between a cutting surface of the diamond table and an outer side surface of the diamond table. Methods of forming earth-boring tools include forming a cutting element and securing the cutting element to a body of the earth-boring tool. Forming the cutting element includes including leaching a diamond table of the cutting element and subsequent to leaching the diamond table of the cutting element, forming a chamfer on the diamond table of the cutting element at an interface between a cutting surface of the diamond table and an outer side surface of the diamond table.

A grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, including a grinding machine, means for holding a rock drill bit to be ground and a support system. The grinding apparatus is equipped with a spindle assembly having an output drive shaft. One of a plurality of grinding tool cups is detachably connected to the output drive shaft for grinding the working tips. The grinding apparatus further includes a control system having a programmable operator control panel capable of monitoring and adjusting one or more operational parameters An RFID reader is provided within operator control panel such that when the free end of a grinding cup equipped with an RFID tag is inserted into the RFID reader a proximity sensor detects and scans the RFID tag, to obtain data including a specific ID identifier for the particular grinding cup and the number of grinding cycles used.

A grinding apparatus for grinding working tips of hard metal inserts of rock drill bits, including a grinding machine, means for holding a rock drill bit to be ground and a support system. The grinding apparatus is equipped with a spindle assembly having an output drive shaft. One of a plurality of grinding tool cups is detachably connected to the output drive shaft for grinding the working tips. The grinding apparatus further includes a control system having a programmable operator control panel capable of monitoring and adjusting one or more operational parameters An RFID reader is provided within operator control panel such that when the free end of a grinding cup equipped with an RFID tag is inserted into the RFID reader a proximity sensor detects and scans the RFID tag, to obtain data including a specific ID identifier for the particular grinding cup and the number of grinding cycles used.