Grinding method using grinding system and grinding device

Abstract

The disclosure discloses a grinding method using a grinding device, and a grinding device. The disclosure provides a grinding method using a grinding device, where the method includes: moving a grinding wheel toward a sample stage, and recording a position of the grinding wheel when the bottom of a grinding groove comes into contact with a piece to be ground as a standard position; moving the grinding wheel toward a position detector, and recording a position of the grinding wheel when a position of the bottom of the grinding groove coincides with a detecting center of the position detector as a first reference position; moving the grinding wheel back to the standard position, and grinding the piece to be ground, according to a preset grinding amount using the grinding wheel; and adjusting the position of the grinding wheel.

1 . A grinding method using a grinding device, wherein the grinding device comprises: a grinding wheel comprising a grinding groove around an outer edge of the grinding wheel, wherein the grinding wheel is configured to rotate around a rotation shaft for grinding; a sample stage on one side of the rotation shaft for placing thereon a piece to be ground; and a position detector configured to detect a position of a bottom of the grinding groove; and the method comprises:
 moving the grinding wheel toward the sample stage, and recording a position of the grinding wheel when the bottom of the grinding groove comes into contact with the piece to be ground as a standard position;   moving the grinding wheel toward the position detector, and recording a position of the grinding wheel when a position of the bottom of the grinding groove coincides with a detecting center of the position detector as a first reference position;   moving the grinding wheel back to the standard position, and grinding the piece to be ground, according to a preset grinding amount using the grinding wheel; and   adjusting the position of the grinding wheel by: moving the grinding wheel again toward the position detector, recording a position of the grinding wheel when a position of the bottom of the grinding groove coincides with the detecting center of the position detector as a second reference position, and adjusting the standard position based upon the first reference position and the second reference position to thereby determine a position of the grinding wheel.   
     
     
         2 . The method according to  claim 1 , wherein the method further comprises:
 adjusting the position of the grinding wheel after one piece to be ground is ground using the grinding wheel.   
     
     
         3 . The method according to  claim 1 , wherein the method further comprises:
 adjusting the position of the grinding wheel after the grinding wheel is replaced, or the grinding groove is switched.   
     
     
         4 . The method according to  claim 1 , wherein the method further comprises:
 moving the grinding wheel in a first direction; wherein the first direction is perpendicular to the rotation shaft, and a detecting direction of the position detector is perpendicular to a plane defined by the rotation shaft and the first direction.   
     
     
         5 . The method according to  claim 4 , wherein the grinding device further comprises a grinding groove abrasion detector configured to determine an abrasion condition of the grinding groove by observing the bottom of the grinding groove; and
 after the piece to be ground is ground using the grinding wheel, the method further comprises:   detecting the abrasion condition of the grinding groove using the grinding groove abrasion detector;   determining whether to switch the grinding groove, or to replace the grinding wheel, according to the abrasion condition of the grinding groove; and   adjusting the position of the grinding wheel after switching the grinding groove or replacing the grinding wheel.   
     
     
         6 . The method according to  claim 4 , wherein the standard position is determined by:
 moving the grinding wheel to a position that an outer edge of the grinding groove comes into contact with an edge of the sample stage, and recording the position of the grinding wheel as a first position;   firstly moving the grinding wheel from the first position by a distance X 0  away from the piece to be ground, in the first direction, and then placing the piece to be ground, on the sample stage, wherein an edge of the piece to be ground, protrudes by the distance X 0  beyond the edge of the sample stage toward the grinding wheel;   presetting a standard value of grinding amount X 1  of the piece to be ground, in the first direction, and moving the grinding wheel by the standard value X 1  toward the piece to be ground, in the first direction;   moving the grinding wheel by a value X 2  toward the piece to be ground, wherein X 2  is a value of a depth by which the grinding groove is recessed in the first direction; and   placing the piece to be ground, on the sample stage, and adjusting the position of the grinding wheel based a positional displacement X 3  of the piece to be ground, in the first direction.   
     
     
         7 . The method according to  claim 6 , wherein the positional displacement X 3  is determined by:
 correcting a position of the piece to be ground, which is placed on the sample stage, and determining a difference between the position of the placed piece to be ground and a preset position of the piece to be ground as the positional displacement X 3 .   
     
     
         8 . The method according to  claim 4 , wherein the position of the grinding wheel comprises a positional coordinate X in the first direction, and a positional coordinate Z in a second direction, wherein the first direction is perpendicular to the second direction, the rotation shaft extends in the second direction, and when the position of the grinding wheel is adjusted, a difference between the second reference position and the first reference position is a reference position variation comprising a first reference position variation X m  in the first direction, and, and a second reference position variation Z m  in the second direction. 
     
     
         9 . The method according to  claim 8 , wherein the adjusting the position of the grinding wheel further comprises:
 moving the grinding wheel to the standard position; and   moving the grinding wheel from the standard position by the distance X m  in the first direction, and moving the grinding wheel from the standard position by the distance Z m  in the second direction.   
     
     
         10 . The method according to  claim 6 , wherein the distance X 0  by which the edge of the piece to be ground protrudes beyond the edge of the sample stage is from 6 mm to 15 mm. 
     
     
         11 . A grinding device, wherein the grinding device comprises: a grinding wheel comprising a grinding groove around an outer edge of the grinding wheel, wherein the grinding wheel is configured to rotate around a rotation shaft for grinding; a sample stage on one side of the rotation shaft for placing thereon a piece to be ground; and a position detector configured to detect a position of a bottom of the grinding groove; the display grinding device further comprises at least one processor and a memory, wherein the memory is configured to store readable program codes, and the at least one processor is configured to execute the readable program codes to:
 move the grinding wheel toward the sample stage, and record a position of the grinding wheel when the bottom of the grinding groove comes into contact with the piece to be ground as a standard position;   move the grinding wheel toward the position detector, and record a position of the grinding wheel when a position of the bottom of the grinding groove coincides with a detecting center of the position detector as a first reference position;   move the grinding wheel back to the standard position, and grind the piece to be ground, according to a preset grinding amount using the grinding wheel; and   adjust the position of the grinding wheel by: move the grinding wheel again toward the position detector, record a position of the grinding wheel when a position of the bottom of the grinding groove coincides with the detecting center of the position detector as a second reference position, and adjust the standard position based upon the first reference position and the second reference position to thereby determine a position of the grinding wheel.   
     
     
         12 . The device according to  claim 11 , wherein the at least one processor is further configured to execute the readable program codes to:
 adjust the position of the grinding wheel after one piece to be ground is ground using the grinding wheel.   
     
     
         13 . The device according to  claim 11 , wherein the at least one processor is further configured to execute the readable program codes to:
 adjust the position of the grinding wheel after the grinding wheel is replaced, or the grinding groove is switched.   
     
     
         14 . The device according to  claim 11 , wherein the at least one processor is further configured to execute the readable program codes to:
 move the grinding wheel in a first direction;   wherein the first direction is perpendicular to the rotation shaft, and a detecting direction of the position detector is perpendicular to a plane defined by the rotation shaft and the first direction;   and wherein the position of the grinding wheel comprises a positional coordinate X in the first direction, and a positional coordinate Z in a second direction, wherein the first direction is perpendicular to the second direction, the rotation shaft extends in the second direction, and when the position of the grinding wheel is adjusted, a difference between the second reference position and the first reference position is a reference position variation comprising a first reference position variation X m  in the first direction, and, and a second reference position variation Z m  in the second direction.   
     
     
         15 . The device according to  claim 14 , wherein the grinding device further comprises a grinding groove abrasion detector configured to determine an abrasion condition of the grinding groove by observing the bottom of the grinding groove; and
 after the piece to be ground is ground using the grinding wheel, the at least one processor is further configured to execute the readable program codes to:   detect the abrasion condition of the grinding groove using the grinding groove abrasion detector;   determine whether to switch the grinding groove, or to replace the grinding wheel, according to the abrasion condition of the grinding groove; and   adjust the position of the grinding wheel after switching the grinding groove or replacing the grinding wheel.   
     
     
         16 . The device according to  claim 14 , wherein the at least one processor is further configured to execute the readable program codes to:
 move the grinding wheel to a position that an outer edge of the grinding groove comes into contact with an edge of the sample stage, and recording the position of the grinding wheel as a first position;   firstly move the grinding wheel from the first position by a distance X 0  away from the piece to be ground, in the first direction, and then place the piece to be ground, on the sample stage, wherein an edge of the piece to be ground, protrudes by the distance X 0  beyond the edge of the sample stage toward the grinding wheel;   preset a standard value of grinding amount X 1  of the piece to be ground, in the first direction, and move the grinding wheel by the standard value X 1  toward the piece to be ground, in the first direction;   move the grinding wheel by a value X 2  toward the piece to be ground, wherein X 2  is a value of a depth by which the grinding groove is recessed in the first direction; and   place the piece to be ground, on the sample stage, and adjust the position of the grinding wheel based a positional displacement X 3  of the piece to be ground, in the first direction.   
     
     
         17 . The device according to  claim 16 , wherein the at least one processor is further configured to execute the readable program codes to:
 correct a position of the piece to be ground, which is placed on the sample stage, and determine a difference between the position of the placed piece to be ground and a preset position of the piece to be ground as the positional displacement X 3 .   
     
     
         18 . The device according to  claim 14 , wherein the at least one processor is further configured to execute the readable program codes to:
 move the grinding wheel to the standard position; and   move the grinding wheel from the standard position by the distance X m  in the first direction, and move the grinding wheel from the standard position by the distance Z m  in the second direction.   
     
     
         19 . The device according to  claim 16 , wherein the at least one processor is further configured to execute the readable program codes to control that:
 the distance X 0  by which the edge of the piece to be ground protrudes beyond the edge of the sample stage is from 6 mm to 15 mm.   
     
     
         20 . A grinding device, comprising: a grinding wheel comprising a grinding groove around the outer edge of the grinding wheel, wherein the grinding wheel is configured to rotate around the rotation shaft for grinding; a sample stage on one side of the rotation shaft for placing thereon a piece to be ground; a position detector configured to detect the position of the bottom of the grinding groove; and a position adjustor configured to adjust the position of the grinding wheel using the method according to  claim 1 .