US20180250786A1 - Convex Grind Method for Grinding Knife - Google Patents

Convex Grind Method for Grinding Knife Download PDF

Info

Publication number
US20180250786A1
US20180250786A1 US15/450,060 US201715450060A US2018250786A1 US 20180250786 A1 US20180250786 A1 US 20180250786A1 US 201715450060 A US201715450060 A US 201715450060A US 2018250786 A1 US2018250786 A1 US 2018250786A1
Authority
US
United States
Prior art keywords
grinding
knife
faces
blade
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/450,060
Inventor
Kuo-Pin Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US15/450,060 priority Critical patent/US20180250786A1/en
Publication of US20180250786A1 publication Critical patent/US20180250786A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives

Definitions

  • the present invention relates to a grinding method and, more particularly, to a convex grind method for grinding a knife to form a convex grind knife.
  • a convex grind method is used for grinding a knife to form a convex grind knife having a blade with two convex faces.
  • a conventional convex grind method comprises using sand paper or a sand belt machine to grind the knife.
  • it is difficult to control the grinding force or angle of the conventional convex grind method, thereby causing inconvenience to the operator, and thereby decreasing the grinding quality of the product of the convex grind knife.
  • the conventional convex grind method only trims the edges and corners and cannot form the determined curved angles.
  • a convex grind method for grinding a knife comprising a first step of preparing a grinding tool, a second step of first angle grinding, a third step of second angle grinding, a fourth step of third angle grinding, and a fifth step of polishing.
  • the first step includes preparing a grinding tool which includes an actuator, a grinding member detachably mounted on the actuator, and two guide blocks disposed at two opposite sides of the grinding member, wherein the grinding member has two conical grinding faces, each of the two guide blocks is formed with a guide face disposed at a vertical state and located above each of the two conic grinding faces of the grinding member, a clearance is defined between each of the two guide blocks and each of the two grinding faces of the grinding member, and a distance is defined between a bottom of the guide face of each of the two guide blocks and each of the two grinding faces of the grinding member and is ranged between 0.9 mm and 1.1 mm.
  • the second step includes arranging each of the two grinding faces of the grinding member at a first grinding angle ranged between 22° and 28°; mounting the grinding member on the actuator; starting the actuator; driving a first face of a knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until a blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving a second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times.
  • the third step includes arranging each of the two grinding faces of the grinding member at a second grinding angle ranged between 12° and 18°; mounting the grinding member on the actuator; starting the actuator; driving the first face of the knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving the second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times.
  • the fourth step includes arranging each of the two grinding faces of the grinding member at a third grinding angle ranged between 3° and 7°; mounting the grinding member on the actuator; starting the actuator; driving the first face of the knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving the second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times.
  • the fifth step includes polishing the blade of the knife.
  • the guide face of each of the two guide blocks guides movement of the knife to facilitate each of the two grinding faces of the grinding member abrading the blade of the knife.
  • the knife has precise grinding position and angle by aid of the guide face of each of the two guide blocks to enhance the grinding quality of the convex grind knife.
  • the convex grind method has a high stability and is operated easily and conveniently.
  • FIG. 1 is a flow chart of a convex grind method for grinding a knife in accordance with the preferred embodiment of the present invention.
  • FIG. 2 is a schematic view of a grinding tool in accordance with the preferred embodiment of the present invention.
  • FIG. 2A is a locally enlarged view of the grinding tool as shown in FIG. 2 .
  • FIG. 3 is a schematic operational view of the grinding tool in a first angle grinding procedure.
  • FIG. 4 is a schematic view showing a knife being abraded by the first angle grinding.
  • FIG. 5 is a schematic operational view of the grinding tool in a second angle grinding procedure.
  • FIG. 6 is a schematic view showing the knife being abraded by the second angle grinding.
  • FIG. 7 is a schematic operational view of the grinding tool in a third angle grinding procedure.
  • FIG. 8 is a schematic view showing the knife being abraded by the third angle grinding.
  • FIG. 9 is a schematic view showing the knife being polished.
  • FIG. 10 is a schematic view showing a final product of a convex grind knife.
  • a convex grind method for grinding a knife in accordance with the preferred embodiment of the present invention comprises a first step 1 of preparing a grinding tool, a second step 2 of first angle grinding, a third step 3 of second angle grinding, a fourth step 4 of third angle grinding, and a fifth step 5 of polishing.
  • the first step 1 includes preparing a grinding tool which includes an actuator 11 , a grinding member 12 detachably mounted on the actuator 11 , and two guide blocks 13 disposed at two opposite sides of the grinding member 12 , wherein the grinding member 12 has two conical grinding faces 121 , each of the two guide blocks 13 is formed with a guide face 14 disposed at a vertical state and located above each of the two conic grinding faces 121 of the grinding member 12 , a clearance “A” is defined between each of the two guide blocks 13 and each of the two grinding faces 121 of the grinding member 12 , and a distance “D” is defined between a bottom of the guide face 14 of each of the two guide blocks 13 and each of the two grinding faces 121 of the grinding member 12 and is ranged between 0.9 mm and 1.1 mm.
  • the second step 2 includes:
  • each of the two grinding faces 121 of the grinding member 12 at a first grinding angle ranged between 22° and 28°;
  • the third step 3 includes:
  • each of the two grinding faces 121 of the grinding member 12 at a second grinding angle ranged between 12° and 18°;
  • the fourth step 4 includes:
  • each of the two grinding faces 121 of the grinding member 12 at a third grinding angle ranged between 3° and 7°;
  • the fifth step 5 includes polishing the blade 61 of the knife 6 .
  • the grinding process is finished.
  • the blade 61 of the knife 6 has a smooth surface to form a final product of a convex grind knife.
  • each of the first grinding angle, the second grinding angle and the third grinding angle is an angle defined between each of the two grinding faces 121 of the grinding member 12 and the guide face 14 of each of the two guide blocks 13 .
  • the two guide blocks 13 are mounted on a base 15 to facilitate detachment and replacement of the grinding member 12 , and the grinding member 12 extends through the base 15 and is combined with the actuator 11 .
  • the guide face 14 of each of the two guide blocks 13 extends in an axis which intersects a central position of each of the two grinding faces 121 of the grinding member 12 .
  • the distance “D” is the shortest distance between the guide face 14 of each of the two guide blocks 13 and the central position of each of the two grinding faces 121 of the grinding member 12 .
  • the distance “D” has an optimum value of 1 mm
  • the first grinding angle has an optimum value of 25°
  • the second grinding angle has an optimum value of 15°
  • the third grinding angle has an optimum value of 5°.
  • the guide face 14 of each of the two guide blocks 13 guides movement of the knife 6 to facilitate each of the two grinding faces 121 of the grinding member 12 abrading the blade 61 of the knife 6 .
  • the knife 6 has precise grinding position and angle by aid of the guide face 14 of each of the two guide blocks 13 to enhance the grinding quality of the convex grind knife. Further, movement of the knife 6 is guided by the guide face 14 of each of the two guide blocks 13 to enhance safety of the grinding operation. Further, the convex grind method has a high stability and is operated easily and conveniently.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A convex grind method for grinding a knife includes preparing a grinding tool, first angle grinding, second angle grinding, third angle grinding and polishing. The grinding tool includes an actuator, a grinding member detachably mounted on the actuator, and two guide blocks disposed at two opposite sides of the grinding member. The grinding member has two conical grinding faces, and each of the two guide blocks is formed with a guide face disposed at a vertical state and located above each of the two conic grinding faces of the grinding member. The grinding tool performs the first angle grinding, the second angle grinding and the third angle grinding to abrade the blade of a knife. Then, the blade of the knife is polished to finish the grinding process so as to form a convex grind knife.

Description

    BACKGROUND OF THE INVENTION 1. Field of the Invention
  • The present invention relates to a grinding method and, more particularly, to a convex grind method for grinding a knife to form a convex grind knife.
    • 2. Description of the Related Art
  • A convex grind method is used for grinding a knife to form a convex grind knife having a blade with two convex faces. A conventional convex grind method comprises using sand paper or a sand belt machine to grind the knife. However, it is difficult to control the grinding force or angle of the conventional convex grind method, thereby causing inconvenience to the operator, and thereby decreasing the grinding quality of the product of the convex grind knife. In addition, the conventional convex grind method only trims the edges and corners and cannot form the determined curved angles.
    • BRIEF SUMMARY OF THE INVENTION
  • In accordance with the present invention, there is provided a convex grind method for grinding a knife, comprising a first step of preparing a grinding tool, a second step of first angle grinding, a third step of second angle grinding, a fourth step of third angle grinding, and a fifth step of polishing. The first step includes preparing a grinding tool which includes an actuator, a grinding member detachably mounted on the actuator, and two guide blocks disposed at two opposite sides of the grinding member, wherein the grinding member has two conical grinding faces, each of the two guide blocks is formed with a guide face disposed at a vertical state and located above each of the two conic grinding faces of the grinding member, a clearance is defined between each of the two guide blocks and each of the two grinding faces of the grinding member, and a distance is defined between a bottom of the guide face of each of the two guide blocks and each of the two grinding faces of the grinding member and is ranged between 0.9 mm and 1.1 mm. The second step includes arranging each of the two grinding faces of the grinding member at a first grinding angle ranged between 22° and 28°; mounting the grinding member on the actuator; starting the actuator; driving a first face of a knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until a blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving a second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times. The third step includes arranging each of the two grinding faces of the grinding member at a second grinding angle ranged between 12° and 18°; mounting the grinding member on the actuator; starting the actuator; driving the first face of the knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving the second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times. The fourth step includes arranging each of the two grinding faces of the grinding member at a third grinding angle ranged between 3° and 7°; mounting the grinding member on the actuator; starting the actuator; driving the first face of the knife to abut the guide face of one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member; slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times; driving the second face of the knife to abut the guide face of the other one of the two guide blocks; moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times. The fifth step includes polishing the blade of the knife.
  • According to the primary advantage of the present invention, the guide face of each of the two guide blocks guides movement of the knife to facilitate each of the two grinding faces of the grinding member abrading the blade of the knife.
  • According to another advantage of the present invention, the knife has precise grinding position and angle by aid of the guide face of each of the two guide blocks to enhance the grinding quality of the convex grind knife.
  • According to a further advantage of the present invention, movement of the knife is guided by the guide face of each of the two guide blocks to enhance safety of the grinding operation.
  • According to a further advantage of the present invention, the convex grind method has a high stability and is operated easily and conveniently.
  • Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
    • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING(S)
  • FIG. 1 is a flow chart of a convex grind method for grinding a knife in accordance with the preferred embodiment of the present invention.
  • FIG. 2 is a schematic view of a grinding tool in accordance with the preferred embodiment of the present invention.
  • FIG. 2A is a locally enlarged view of the grinding tool as shown in FIG. 2.
  • FIG. 3 is a schematic operational view of the grinding tool in a first angle grinding procedure.
  • FIG. 4 is a schematic view showing a knife being abraded by the first angle grinding.
  • FIG. 5 is a schematic operational view of the grinding tool in a second angle grinding procedure.
  • FIG. 6 is a schematic view showing the knife being abraded by the second angle grinding.
  • FIG. 7 is a schematic operational view of the grinding tool in a third angle grinding procedure.
  • FIG. 8 is a schematic view showing the knife being abraded by the third angle grinding.
  • FIG. 9 is a schematic view showing the knife being polished.
  • FIG. 10 is a schematic view showing a final product of a convex grind knife.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • Referring to the drawings and initially to FIG. 1, a convex grind method for grinding a knife in accordance with the preferred embodiment of the present invention comprises a first step 1 of preparing a grinding tool, a second step 2 of first angle grinding, a third step 3 of second angle grinding, a fourth step 4 of third angle grinding, and a fifth step 5 of polishing.
  • Referring to FIGS. 2 and 2A with reference to FIG. 1, the first step 1 includes preparing a grinding tool which includes an actuator 11, a grinding member 12 detachably mounted on the actuator 11, and two guide blocks 13 disposed at two opposite sides of the grinding member 12, wherein the grinding member 12 has two conical grinding faces 121, each of the two guide blocks 13 is formed with a guide face 14 disposed at a vertical state and located above each of the two conic grinding faces 121 of the grinding member 12, a clearance “A” is defined between each of the two guide blocks 13 and each of the two grinding faces 121 of the grinding member 12, and a distance “D” is defined between a bottom of the guide face 14 of each of the two guide blocks 13 and each of the two grinding faces 121 of the grinding member 12 and is ranged between 0.9 mm and 1.1 mm.
  • Referring to FIGS. 3 and 4 with reference to FIGS. 1 and 2, the second step 2 includes:
  • arranging each of the two grinding faces 121 of the grinding member 12 at a first grinding angle ranged between 22° and 28°;
  • mounting the grinding member 12 on the actuator 11;
  • starting the actuator 11;
  • driving a first face of a knife 6 to abut the guide face 14 of one of the two guide blocks 13;
  • moving the knife 6 vertically downward until a blade 61 of the knife 6 contacts one of the two grinding faces 121 of the grinding member 12;
  • slightly rubbing the blade 61 of the knife 6 on one of the two grinding faces 121 of the grinding member 12 by one time to two times;
  • driving a second face of the knife 6 to abut the guide face 14 of the other one of the two guide blocks 13;
  • moving the knife 6 vertically downward until the blade 61 of the knife 6 contacts the other one of the two grinding faces 121 of the grinding member 12; and
  • slightly rubbing the blade 61 of the knife 6 on the other one of the two grinding faces 121 of the grinding member 12 by one time to two times.
  • Referring to FIGS. 5 and 6 with reference to FIGS. 1 and 2, the third step 3 includes:
  • arranging each of the two grinding faces 121 of the grinding member 12 at a second grinding angle ranged between 12° and 18°;
  • mounting the grinding member 12 on the actuator 11;
  • starting the actuator 11;
  • driving the first face of the knife 6 to abut the guide face 14 of one of the two guide blocks 13;
  • moving the knife 6 vertically downward until the blade 61 of the knife 6 contacts one of the two grinding faces 121 of the grinding member 12;
  • slightly rubbing the blade 61 of the knife 6 on one of the two grinding faces 121 of the grinding member 12 by one time to two times;
  • driving the second face of the knife 6 to abut the guide face 14 of the other one of the two guide blocks 13;
  • moving the knife 6 vertically downward until the blade 61 of the knife 6 contacts the other one of the two grinding faces 121 of the grinding member 12; and
  • slightly rubbing the blade 61 of the knife 6 on the other one of the two grinding faces 121 of the grinding member 12 by one time to two times.
  • Referring to FIGS. 7 and 8 with reference to FIGS. 1 and 2, the fourth step 4 includes:
  • arranging each of the two grinding faces 121 of the grinding member 12 at a third grinding angle ranged between 3° and 7°;
  • mounting the grinding member 12 on the actuator 11;
  • starting the actuator 11;
  • driving the first face of the knife 6 to abut the guide face 14 of one of the two guide blocks 13;
  • moving the knife 6 vertically downward until the blade 61 of the knife 6 contacts one of the two grinding faces 121 of the grinding member 12;
  • slightly rubbing the blade 61 of the knife 6 on one of the two grinding faces 121 of the grinding member 12 by one time to two times;
  • driving the second face of the knife 6 to abut the guide face 14 of the other one of the two guide blocks 13;
  • moving the knife 6 vertically downward until the blade 61 of the knife 6 contacts the other one of the two grinding faces 121 of the grinding member 12; and
  • slightly rubbing the blade 61 of the knife 6 on the other one of the two grinding faces 121 of the grinding member 12 by one time to two times.
  • As shown in FIG. 9, the fifth step 5 includes polishing the blade 61 of the knife 6. Thus, the grinding process is finished.
  • As shown in FIG. 10, after the blade 61 of the knife 6 is polished, the blade 61 of the knife 6 has a smooth surface to form a final product of a convex grind knife.
  • In the preferred embodiment of the present invention, each of the first grinding angle, the second grinding angle and the third grinding angle is an angle defined between each of the two grinding faces 121 of the grinding member 12 and the guide face 14 of each of the two guide blocks 13.
  • In the preferred embodiment of the present invention, the two guide blocks 13 are mounted on a base 15 to facilitate detachment and replacement of the grinding member 12, and the grinding member 12 extends through the base 15 and is combined with the actuator 11.
  • In the preferred embodiment of the present invention, the guide face 14 of each of the two guide blocks 13 extends in an axis which intersects a central position of each of the two grinding faces 121 of the grinding member 12. In addition, the distance “D” is the shortest distance between the guide face 14 of each of the two guide blocks 13 and the central position of each of the two grinding faces 121 of the grinding member 12. Preferably, the distance “D” has an optimum value of 1 mm, the first grinding angle has an optimum value of 25°, the second grinding angle has an optimum value of 15°, and the third grinding angle has an optimum value of 5°.
  • Accordingly, the guide face 14 of each of the two guide blocks 13 guides movement of the knife 6 to facilitate each of the two grinding faces 121 of the grinding member 12 abrading the blade 61 of the knife 6. In addition, the knife 6 has precise grinding position and angle by aid of the guide face 14 of each of the two guide blocks 13 to enhance the grinding quality of the convex grind knife. Further, movement of the knife 6 is guided by the guide face 14 of each of the two guide blocks 13 to enhance safety of the grinding operation. Further, the convex grind method has a high stability and is operated easily and conveniently.
  • Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the invention.

Claims (8)

1. A convex grind method for grinding a knife, comprising:
a first step of preparing a grinding tool;
a second step of first angle grinding;
a third step of second angle grinding;
a fourth step of third angle grinding; and
a fifth step of polishing;
wherein:
the first step includes preparing a grinding tool which includes an actuator, a grinding member detachably mounted on the actuator, and two guide blocks disposed at two opposite sides of the grinding member, wherein the grinding member has two conical grinding faces, each of the two guide blocks is formed with a guide face disposed at a vertical state and located above each of the two conic grinding faces of the grinding member, a clearance is defined between each of the two guide blocks and each of the two grinding faces of the grinding member, and a distance is defined between a bottom of the guide face of each of the two guide blocks and each of the two grinding faces of the grinding member and is ranged between 0.9 mm and 1.1 mm;
the second step includes:
arranging each of the two grinding faces of the grinding member at a first grinding angle ranged between 22° and 28°;
mounting the grinding member on the actuator;
starting the actuator;
driving a first face of a knife to abut the guide face of one of the two guide blocks;
moving the knife vertically downward until a blade of the knife contacts one of the two grinding faces of the grinding member;
slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times;
driving a second face of the knife to abut the guide face of the other one of the two guide blocks;
moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and
slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times.
the third step includes:
arranging each of the two grinding faces of the grinding member at a second grinding angle ranged between 12° and 18°;
mounting the grinding member on the actuator;
starting the actuator;
driving the first face of the knife to abut the guide face of one of the two guide blocks;
moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member;
slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times;
driving the second face of the knife to abut the guide face of the other one of the two guide blocks;
moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and
slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times.
the fourth step includes:
arranging each of the two grinding faces of the grinding member at a third grinding angle ranged between 3° and V;
mounting the grinding member on the actuator;
starting the actuator;
driving the first face of the knife to abut the guide face of one of the two guide blocks;
moving the knife vertically downward until the blade of the knife contacts one of the two grinding faces of the grinding member;
slightly rubbing the blade of the knife on one of the two grinding faces of the grinding member by one time to two times;
driving the second face of the knife to abut the guide face of the other one of the two guide blocks;
moving the knife vertically downward until the blade of the knife contacts the other one of the two grinding faces of the grinding member; and
slightly rubbing the blade of the knife on the other one of the two grinding faces of the grinding member by one time to two times; and
the fifth step includes polishing the blade of the knife.
2. The convex grind method of claim 1, wherein the two guide blocks are mounted on a base, and the grinding member extends through the base and is combined with the actuator.
3. The convex grind method of claim 1, wherein:
the guide face of each of the two guide blocks extends in an axis which intersects a central position of each of the two grinding faces of the grinding member; and
the distance is the shortest distance between the guide face of each of the two guide blocks and the central position of each of the two grinding faces of the grinding member.
4. The convex grind method of claim 1, wherein the distance has an optimum value of 1 mm.
5. The convex grind method of claim 1, wherein the first grinding angle has an optimum value of 25°.
6. The convex grind method of claim 1, wherein the second grinding angle has an optimum value of 15°.
7. The convex grind method of claim 1, wherein the third grinding angle has an optimum value of 5°.
8. The convex grind method of claim 1, wherein each of the first grinding angle, the second grinding angle and the third grinding angle is an angle defined between each of the two grinding faces of the grinding member and the guide face of each of the two guide blocks.
US15/450,060 2017-03-06 2017-03-06 Convex Grind Method for Grinding Knife Abandoned US20180250786A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/450,060 US20180250786A1 (en) 2017-03-06 2017-03-06 Convex Grind Method for Grinding Knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/450,060 US20180250786A1 (en) 2017-03-06 2017-03-06 Convex Grind Method for Grinding Knife

Publications (1)

Publication Number Publication Date
US20180250786A1 true US20180250786A1 (en) 2018-09-06

Family

ID=63357531

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/450,060 Abandoned US20180250786A1 (en) 2017-03-06 2017-03-06 Convex Grind Method for Grinding Knife

Country Status (1)

Country Link
US (1) US20180250786A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11140058B2 (en) * 2017-06-27 2021-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Inline stateful monitoring request generation for SDN

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11140058B2 (en) * 2017-06-27 2021-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Inline stateful monitoring request generation for SDN

Similar Documents

Publication Publication Date Title
US11833704B2 (en) Dynamic regulation of contact pressures in a blade sharpening system
KR101798700B1 (en) Polishing method and polishing apparatus
US20120289127A1 (en) Lens spherical surface grinding method using dish-shaped grindstone
KR101925616B1 (en) Laminated sheet polishing method and apparatus performing the same
CN106625035B (en) A kind of processing method of cell phone rear cover 3D zirconia ceramics
KR102059203B1 (en) The polishing apparatus and the polishing methdo for polishing the peripheral edge of the work, etc by the polishing tape
KR101805414B1 (en) Laminated sheet grinding apparatus and laminated sheet grinding method
KR20170021948A (en) Glass edge grinding apparatus by using magneto-rheological fluids
CN103769984A (en) Abrasive belt grinder
CN205870220U (en) Multistage cutter of polishing
US20180250786A1 (en) Convex Grind Method for Grinding Knife
CN106363501A (en) Arc surface processing and polishing method for ceramic product and ceramic panel
US20170182622A1 (en) Lens-centering method for spherical center-type processing machine, lens-processing method, and spherical center-type processing machine
KR101511593B1 (en) Glass For Cellular Phone, Grinding Wheel And Apparatus For Grinding That Glass
Fess et al. Developments in precision optical grinding technology
US10166652B2 (en) Substrate polishing device and method thereof
JP2012101327A (en) Method of chamfering wafer
CN204771882U (en) Grinding machine of anti -oxidation automatic positioning fine setting
US3685214A (en) Two piece lens grinding lap
CN106363502A (en) Polishing method for chamfering surfaces of ceramic panels and ceramic panels
CN106553106B (en) A method of processing microminiature laser device Brewster angle
KR20160087211A (en) Hybrid dry type and wet type polishing apparatus for fiber reinforced plastic and hybrid dry type and wet type polishing method using the same
JPWO2015068500A1 (en) Polishing tool, polishing method and polishing apparatus
JP7041932B1 (en) Manufacturing method and equipment for semiconductor crystal wafers
US613934A (en) Island

Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION