KR101814066B1 - A tip dressing appratus for a pedestal servo gun equipped with a push-unit and a tip dressing method using the same - Google Patents

Abstract

The present invention relates to a tip dressing apparatus for a stationary welder with a push unit and a tip dressing method using the same and, more specifically, relates to a tip dressing apparatus for a stationary welder with a push unit, which is able to control a tip dresser to be lifted or lowered, thereby performing an equal dressing work by stably placing a fixated tip and a portable tip in a tip processing unit while preventing a hanging phenomenon caused by collision with the fixated tip in hinge rotation of the tip dresser for a dressing work, and also being able to detect a grinding amount of a tip through distance measurement using a capacitive sensor; and a tip dressing method using the same. To this end, the apparatus comprises the push unit which includes a cylinder body, the push rod, and a push block.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a tip dressing apparatus for a stationary welder having a push unit and a tip dressing method using the same,

The present invention relates to a tip dressing apparatus for a stationary welder having a push unit and a tip dressing method using the same, and more particularly, to a tip dressing apparatus for a stationary welder having a push unit, The fixing tip and the moving tip can be stably positioned by the tip machining part while preventing the sliding due to the collision with the fixed tip during the movement, so that the dressing operation equivalent to the dressing operation can be performed, The present invention relates to a tip dressing apparatus for a stationary welder and a tip dressing method using the same.

Generally, spot welding is mainly used for assembly between panels constituting a vehicle body in a vehicle assembly line of a production line of a vehicle. As a device for automating such spot welding, a servo gun or a pedestal (Pedestal Servo Gun) is used.

The pedestal health means a device installed on a robot, moved by a robot and performing spot welding, and the pedestal health is fixed on a support to handle an object requiring welding, it means.

On the other hand, the pedestal health is used as the name of the stationary welder, and will be described later as the stationary welder.

When welding is performed to the body panel using such a stationary welder, basically, the fixing tip is positioned at the welding position and the moving tip is moved to energize while being pressed. At this time, the panel melts due to the heat generated by the resistance The bonding is performed.

As described above, the material of the fixing tip and the moving tip to be actually welded is copper (Cu), which causes damage such as scratches when the panel is melted, and a part of the melted panel often sticks to the panel.

Accordingly, after welding several hundreds of welds, the tip of the movable tip and the fixed tip are polished using a tip dresser equipped with a cutting tool so as to maintain the initial spherical surface. It is called "dressing".

(Patent Document 0001) Korean Patent Laid-Open Nos. 10-2009-0015340 and Korean Patent Laid-Open Publication No. 10-2009-0015341 disclose a dressing apparatus including a tip dresser for dressing work of the stationary welder And FIG. 1 is referred to as follows.

1 is a view showing a tip dressing apparatus 10 for a stationary welding apparatus according to the related art and a tip dressing apparatus including the same. Referring to FIG. 1, the tip dressing apparatus 10 includes a fixed body 30 vertically installed on a base A tip dresser 10 having a tip machining portion 11 on an upper portion of the swing body 40 is attached to the upper and lower springs 42, 43 to maintain balance.

The tip dresser 10 is not operated while the stationary welder 1 performs a welding process. As shown in FIG. 1, the tip dresser 10 is provided at a lower side of the welder 1 and performs a dressing operation The tip dresser 10 is moved together with the hinge P while rotating the swing body 40 by the cylinder 50 so as to perform a dressing operation.

On the other hand, in the tip dressing operation of the tip dresser 10, the fixing tip 2 and the moving tip 3 are positioned while being pressed against each other at the tip machining portion 11 having the cutting tool, .

The tip dresser 10 is normally rotated by the pressure of the cutting tool 11 in a state where the tip 2 and the moving tip 3 are previously seated and pressed while being pressed, Can not be performed.

Therefore, the machining bite of the tip machining portion 11 is rotated in advance for the dressing operation before the fixed tip 2 and the moving tip 3 are positioned, as soon as the tip dresser 10 rotates and moves with the hinge. do.

2 (a), when the conventional tip dresser 10 is positioned for dressing, the fixing tip 2 is positioned on the top of the tip machining portion 11, The moving tip 3 is positioned and the tip dresser 10 is forcibly pushed so that the fixing tip 2 can be cut while the shank of the moving tip 3 is lifted.

In this case, in the conventional process of moving the tip 3 in close contact with the fixed tip 2, the moving tip 3 has already been cut by the rotating cutting tool to cause an excessive dressing operation I have.

Accordingly, the dressing process lengths of the fixing tip 2 and the moving tip 3 are not matched with each other, so that the moving tip 3 has to be replaced frequently, which results in a problem that the entire tip replacement cycle is accelerated.

In addition, since the moving tip 3 pushes up the tip dresser 10 while lifting the force of the upper and lower springs 42 and 43 which maintain the balance of the tip dresser 10, This leads to poor quality of the product during the welding process.

In addition, frequent replacement of the welding tip can cause the welder to downtime and reduce the overall welding efficiency.

On the other hand, in order to alleviate the above-mentioned problem, the position of the tip dresser 10 rotated by the hinge is set as close as possible to the fixed tip 2.

2 (b), when the tip dresser 10 is adjusted to position the tip dresser 10 as close as possible to the fixed tip 2 in order to prevent excessive cutting of the moving tip 3, The tip of the fixing tip 2 and the end of the tip dresser 10 are caught by the hinge.

Consequently, the tip dresser 10 applied to the conventional stationary welder is configured so that the distance a between the fixed tip 2 and the tip machining portion 11 of the tip dresser 10, as shown in Fig. 2 (a) This results in many problems such as excessive cutting of the moving tip 3 as described above.

Korean Patent Laid-Open No. 10-2009-0015340 (published on Feb. 12, 2009) Korean Patent Laid-Open No. 10-2009-0015341 (Published on February 12, 2009)

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a pusher unit for pushing or returning a tip dresser applied to a stationary welder as needed, And the pushing unit can be stably equiped with the fixed tip and the movable tip so that the fixed tip and the movable tip can be stably positioned so as to prevent cutting of the excessive moving tip and to equally dress the fixed tip and the movable tip. It is an object of the present invention to provide a tip dressing apparatus for a stationary welding machine.

The present invention also provides a tip dressing apparatus for a stationary welder having a push unit that measures a moving distance of a push rod and displays a display thereof on a display to confirm a cutting amount of a cut tip during a tip dressing operation to perform a more stable dressing operation For that purpose.

In addition, the tip dressing preparing step, the tip dressing step and the tip dressing finishing step are sequentially performed, and the pushing unit is used to prevent the tip dresser from colliding with the fixing tip, and the fixing tip and the moving tip can be equally dressed And a tip dressing method using a tip dressing apparatus for a stationary welder having a push unit.

In order to accomplish the above object, a tip dressing apparatus for a stationary welding machine having a push unit according to the present invention and a tip dressing method using the same will be described below.

The present invention relates to a swing apparatus comprising a fixed body vertically installed on a ground base, a swing body hingedly coupled to the upper end of the fixed body by a hinge so as to be rotatable about a hinge axis, And a tip dresser for dressing the fixed tip of the stationary welder and the moving tip in the tip machining portion.
The tip dressing apparatus for a stationary welding apparatus according to the present invention is characterized in that the tip dresser is pushed to prevent the tip dresser from colliding with the fixing tip when the hinge of the swing body is rotated, And a push unit for retracting the tip dresser so that the fixation tip is located close to the fixation tip.

At this time, the push unit includes a cylinder body that operates according to the control; A push rod that advances or retreats according to the operation of the cylinder body; A push block integrally fixed to the end portion of the push rod and pushing or returning the tip dresser against the spring force in accordance with the forward or backward movement of the push rod; And a support bracket for supporting the cylinder body.
The push unit includes a capacitance sensor for detecting a voltage value in accordance with a change in the movement position of the push rod moved in the dressing operation and a display for converting a voltage value measured by the capacitance sensor into a distance value and externally displaying Module.

delete

The cover unit further includes a cover body that surrounds the push unit and prevents foreign matter from entering.

The cover body is constituted by a side cover which surrounds three sides and has a transparent window on one side, a rear cover which surrounds the rear side and a display window, and an upper cover which covers the upper side.

The support bracket further includes a height adjusting bracket having a thickness to adjust a distance between the push unit and the tip dresser at a lower portion thereof.

On the other hand, a tip dressing method using a tip dressing apparatus for a stationary welder equipped with a push unit is performed as follows.

A tip dressing preparation step, a tip dressing step and a tip dressing finishing step.

The step of preparing the tip dressing includes the steps of pushing the tip dresser by pushing the push rod in accordance with the control signal to reduce the turning radius of the tip dresser provided in the swing body, A swing body including a tip dresser having a reduced radius of rotation so as to be positioned at an upper portion and a lower portion of the tip machining portion of the tip machining portion, and a process of rotating the machining bite provided in the tip machining portion of the tip dresser.

The tip dressing step includes a process in which the push rod retreats according to a control signal and is seated in the tip machining part of the tip dresser so that the fixation tip comes close to the tip machining part, While the fixed tip and the moving tip are dressed by the rotating cutting tool.

According to the control signal, the push rod advances and the push block pushes the tip dresser, and the gap between the fixed tip and the tip dresser A process of reducing the turning radius of the tip dresser while stopping the rotation of the machining bite provided in the tip machining portion of the tip dresser, rotating the swing body including the tip dresser with the hinge, The rod is retracted and the tip dresser is returned to its original position before the dressing operation.

The above steps are performed sequentially.

Meanwhile, the tip dressing step may include a step of measuring a voltage value corresponding to a movement position at which the push rod is pushed and changed by a pushing force while the moving tip is seated on the tip machining part while being cut, using a capacitance sensor, Converting the distance value into a distance value using a display module so that the distance value can be confirmed externally, and checking a cutting amount of the tip through the displayed distance value.

As described above, the tip dressing apparatus for a stationary welder having a push unit according to the present invention and the tip dressing method using the same include the push unit for moving the position by pushing or resetting the tip dresser for the stationary welder, It is possible to stably fix the fixing tip and the moving tip with the tip machining portion while preventing the tip dresser from being caught by the fixing tip when the tip dresser is rotated by the hinge of the tip dresser, And the moving tip can be dressed equally, thereby preventing the frequent replacement and increasing the working efficiency.

Further, since the moving distance of the push rod is measured and displayed on the display, the cutting amount of the cut tip is confirmed during the tip dressing operation, thereby achieving a more stable dressing operation.

1 is a view showing a tip dressing apparatus for a stationary welder according to the prior art.
2 (a) and 2 (b) are views showing a problem of a tip dressing apparatus for a stationary welder according to the prior art.
3 and 4 are perspective views showing an embodiment of a tip dressing apparatus for a stationary welder having a push unit according to the present invention and its application state.
5 and 6 are perspective views showing still another embodiment of a tip dressing apparatus for a stationary welder having a push unit according to the present invention.
7 is a schematic flow chart showing a tip dressing method using a tip dressing apparatus for a stationary welder having a push unit according to the present invention.

Hereinafter, a preferred embodiment of a tip dressing apparatus for a stationary welder having a push unit according to the present invention and a tip dressing method using the same will be described in detail with reference to the accompanying drawings.

In describing the present invention, an upper portion or an upper portion generally indicates a portion having a height from the ground or a direction thereof, and a lower portion or a lower portion indicates a portion or a direction opposite thereto.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

3 and 4 are perspective views showing an embodiment of a tip dressing apparatus for a stationary welder having a push unit according to the present invention and its application state.

As shown in the drawings, a tip dressing apparatus for a stationary welding machine provided with a push unit according to the present invention includes a tip dresser 10 for dressing a welding tip, And a push unit 100 for allowing a stable dressing operation to be performed without bumping against the fixed tip 2 positioned at the upper portion of the stationary welder when the movable member 10 is pivotally moved for dressing operation.

The swing member 40 including the tip dresser 10 is rotated by using the push unit 100 so that the fixing tip 2 is positioned close to the tip machining unit 11, (2) and the moving tip (3) are equally dressed.

Specifically, the tip dressing apparatus for a stationary welder according to the present invention comprises a fixture 30 vertically installed on the ground surface for dressing the stationary tip 2 and the movable tip 3 of the stationary welder, The lower end of the swing member 40 is hinge-coupled to the upper portion of the fixing body 30 and is hinged to be rotatable. And the tip machining portion 11 is positioned between the fixed tip 2 and the movable tip 3 according to the hinge rotation of the swing body 40 so that the fixed tip 2 and the movable tip 3 of the stationary welder And a tip dresser 10 for dressing in the tip machining portion 11. [

At this time, the tip dresser 10 includes a push unit 100 that pushes or retracts the tip dresser 10 as necessary.
The push unit 100 is configured to reduce the turning radius by pushing the tip dresser 10 to prevent the tip dresser 10 from colliding with the fixing tip 2 when the hinge of the swing body 40 is rotated, The tip dresser 10 is retracted so that the fixing tip 2 is positioned close to the tip machining portion 11.

Specifically, the push unit 100 includes a cylinder 110, a push rod 120, a push block 130, and a support bracket 140 for supporting the push rod 120 and the push rod 120.

First, as the cylinder body 110, a normal pneumatic cylinder, a hydraulic cylinder, or the like may be used, and preferably a pneumatic cylinder that is light in weight and easy to operate is used.

The cylinder body 110 is operated under the control of an electrically connected control unit (not shown).

Meanwhile, the push rod 120 moves forward or backward according to the operation of the cylinder body 110 by the cylinder rod of the cylinder body 110.

In the illustrated embodiment, the push rod 120 is positioned at the upper portion of the tip dresser 10 to perform a lifting or lowering motion.

The push block 130 is integrally fixed to the end portion of the push rod 120. The upper surface of the tip dresser 10 is directly connected to the upper spring 42 And the spring force of the lower spring 43.

The push unit 100 constructed as described above pushes the upper portion of the tip dresser 10 by the push block 130 according to the external control signal to reduce the turning radius of the tip dresser 10, So that the end of the tip dresser 10 does not collide with the fixing tip 2 during the rotation.

When the fixed tip 2 and the movable tip 3 are positioned at the upper and lower portions of the tip machining portion 11 of the tip dresser 10 by pivoting, the push rod 120 is retracted, The tip dresser 10 restores balance by the spring force of the upper spring 42 and the lower spring 43 by removing the pressing force of the dresser.

On the other hand, in the tip machining portion 11 of the tip dresser 10 retracted in the home position, the fixing tip 2 is seated close to the dressing work.

As the moving tip 3 moves upward, it is seated in the lower portion of the tip machining portion 11 and is pressed while pushing up the tip machining portion 11. By the rotating machining bite of the tip machining portion 11 The fixing tip 2 and the moving tip 3 are dressed.

As described above, when the fixing tip 2 is previously seated on the tip machining portion 11 of the tip dresser 10 by the push unit 100, the moving tip 3 is moved to the tip dresser 10 And the fixed tip 2 and the moving tip 3 are subjected to an equivalent dressing operation by the cutting tool.

Accordingly, it is possible to prevent excessive cutting of the moving tip and prevent frequent replacement of the welding tip, thereby reducing the operation cost and increasing the working efficiency.

5 and 6 are perspective views showing still another embodiment of a tip dressing apparatus for a stationary welder having a push unit according to the present invention.

Referring to the drawings, the push unit 100 applied to the tip dressing apparatus according to the present invention further includes a capacitance sensor 150 and a display module 160.

The dressing operation by the tip dresser 10 in the embodiment of the present invention is performed by moving the movable tip 3 to the tip machining portion 11 while moving upward, And the moving tip (3) are cut.

At this time, the push rod 120 of the push unit 100 is in the retracted state, but preferably the push block 130 is in contact with the upper surface of the tip dresser 10 and the movable tip 3 is pushed during the dressing operation The tip dresser 10 is pushed up while keeping the balance by the pressing force to be raised.

As a result, the push block 130 is lifted upward and the push rod 120 is pushed.

The capacitance sensor 150 is integrally provided on one side of the cylinder body 110 and detects the moving position of the push rod 120, which is pushed during the dressing operation, as a changing voltage value.

In other words, a voltage between DC 0V and 10V is outputted according to the position of the cylinder body 110. The capacitance sensor 150 confirms the voltage value detected according to the movement position of the push rod 120.

The detected voltage value is transmitted to the display module 160, and the display module 160 converts the detected voltage value into an interval, that is, a distance value at which the push rod 120 moves.

The conversion of the distance value using the voltage value change is an open technique commonly known in the field of electric and electronic devices, and a detailed description thereof will be omitted.

On the other hand, the display module 160 displays a converted distance value for externally checking through the display window 172a.

Generally, the welding tip of the welding gun penetrates when the cutting portion to be cut is excessively cut during the dressing process, so that the internal cooling water may leak out to the outside.

This cutting limit is usually about 7 mm.

Accordingly, it is very important to prevent the welding tip, i.e., the fixing tip 2 and the moving tip 3, from being excessively dressed in the dressing operation.

The electrostatic capacity sensor 150 and the display module 160 of the push unit 100 provided in the tip dressing apparatus for a stationary welding apparatus equipped with the push unit according to the present invention can be changed in accordance with the movement distance of the push rod 120 The voltage value is converted into a distance value and confirmed.

The pushing distance of the push rod 120 can be regarded as a cutting amount of the cutting tip, thereby preventing excessive cutting of the tip and ensuring stable dressing work at all times by the operator.

The push unit 100 further includes a cover body 170 for protecting the push unit 100 so as to prevent intrusion of foreign matter and extend the service life of the apparatus and facilitate maintenance.

Preferably, the cover 170 includes a side cover 171 which surrounds three sides and has a transparent window 171a for confirming the inside of the cover 170, and a display window 172a which surrounds the rear and has a display module coupled thereto A rear cover 172, and an upper cover 173 covering the upper portion.

The cover member 170 protects the inside of the push unit 100 and blocks foreign substances, thereby increasing the service life of the device.

The supporting bracket 140 of the push unit 100 supports the push block 130 so that the push block 130 can stably push or return the tip dresser 10 according to the forward or backward movement of the push rod 120 And is fixed to the upper end of the switch 40 or fixed to the other support shaft supporting the tip dresser 10 as required.

The upper surface of the push block 130 and the tip dresser 10 may not be spaced apart from each other depending on the length of the push rod 120 of the push unit 100. The support bracket 140 may include a push unit 100 And a height adjusting bracket 180 having a thickness for adjusting the distance between the tip dresser 10 and the tip dresser 10.

7 is a schematic flow chart showing a tip dressing method using a tip dressing apparatus for a stationary welder having a push unit according to the present invention.

Hereinafter, a tip dressing method using a tip dressing apparatus for a stationary welder having a push unit according to the present invention will be described.

First, the tip dressing method comprises a tip dressing preparation step (S1), a tip dressing step (S2), and a tip dressing finishing step (S3).

The top dressing preparation step S1 is a step of preparing for dressing the stationary tip 2 and the moving tip 3 of the stationary welder so that the push rod 120 of the push unit 100 advances The push block 130 pushes out the tip dresser 10 and thereby reduces the turning radius of the tip dresser 10 provided in the swing body 40. The swing body 40 includes a tip dresser 10, A process of moving the fixing tip 2 and the moving tip 2 of the stationary welder so as to be positioned at the upper and lower portions of the tip machining portion 11 by rotating the body 40 by a hinge, And a processing byte provided in the part 11 is rotated.

The above-described process is preferably performed sequentially, and the rotation of the processing bite can be performed together with the hinge rotation process of the swing body 40.

In addition, it is needless to say that the respective processes may be performed separately according to each operation, not the continuous operation, by the external control unit (not shown).

The tip dressing step S2 is a step in which the push rod 120 is retracted according to a control signal and the fixing tip 2 is brought close to the tip machining part 11 of the tip dresser 10, The moving tip 3 is moved into the tip machining section 11 while being pressed and pressed by pressing the tip dresser so that the fixing tip 2 and the moving tip 3 are dressed by the rotating cutting tool.

The tip dressing finishing step S3 includes a process of moving the moving tip 3 to the control signal and leaving the tip machining unit 11 and a process of moving the push rod 120 forward, A process of reducing the turning radius of the tip dresser 10 by again pressing the tip dresser 10 to form a gap between the fixing tip 2 and the tip dresser 10, A step of rotating the swing body (40), a step of rotating the swing body (40), a step of rotating the swing body (40), a step of rotating the push rod (120) It has the process of putting it back to work before work.

The tip dressing preparing step S1, the tip dressing step S2, and the tip dressing finishing step S3 are sequentially performed, and each individual process is performed by separate operations other than continuous by control as described above .

Preferably, the tip dressing step is performed such that a voltage value corresponding to a moving position, at which the push rod 120 is pushed and changed by a pushing force while the moving tip 3 is seated on the tip machining part 11, Measuring a voltage value of the tip using the sensor 150, converting the measured voltage value to a distance value using the display module 160 and displaying the voltage value for external confirmation, .

In the meantime, the stationary welder applied to the present invention described above has been described in which the stationary tip is formed on the upper portion and the movable tip is formed on the lower portion. However, the movable tip is formed on the upper portion and the stationary tip is formed on the lower portion. Is provided opposite to the above description, it does not depart from the technical idea of the present invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It is not.

2: Fixing Tips
3: Moving Tips
10: The tip dresser
11:
100: Push unit
110:
120: push rod
130: push block
140: support bracket
150: Capacitive sensor
160: Display module
170: Cover body
180: Height adjustment bracket

Claims (7)

A swing member 40 hinged to the lower end of the hinge member 30 and hinged to an upper portion of the fixing member 30 so as to be rotatable about a hinge axis; 42 and 43 so that the tip machining portion 11 is moved between the fixed tip 2 of the stationary welder and the movable tip 3 in accordance with the hinge rotation of the swing body 40 1. A tip dressing apparatus for a stationary welder comprising a tip dresser (10) for dressing,
The tip radius of the swing body 40 is reduced by pushing the tip dresser 10 to prevent the tip dresser 10 from colliding with the fixed tip 2 when the swing body 40 is hinged, And a push unit (100) for retracting the tip dresser (10) so that the fixing tip (2) is positioned close to the tip processing portion (11) after the hinge rotation of the swing body (40).
The push unit (100) includes a cylinder body (110) operated in accordance with a control;
A push rod 120 that advances or retreats according to the operation of the cylinder body 110;
A push block 130 integrally fixed to the end portion of the push rod 120 and pushing or returning the tip dresser 10 against the spring force in accordance with the forward or backward movement of the push rod 120;
And a support bracket (140) for supporting the cylinder body (110).
The method according to claim 1,
The push unit (100)
A capacitance sensor 150 for detecting a voltage value in accordance with a change in a moving position of the push rod 120 that is pushed during a dressing operation,
And a display module (160) for converting the voltage value measured by the capacitance sensor (150) into a distance value and displaying the distance value to the outside.
3. The method of claim 2,
Further comprising a cover body (170) for wrapping the push unit (100) and preventing foreign matter from entering the tip unit.
The method of claim 3,
The cover 170 includes a side cover 171 surrounding three sides and having a transparent window 171a at one side thereof, a rear cover 172 having a display window 172a surrounding the rear side thereof, (173). ≪ RTI ID = 0.0 > 18. < / RTI >
The method according to claim 1,
The support bracket (140)
And a height adjusting bracket (180) having a thickness to adjust the gap between the push unit (100) and the tip dresser (10) at a lower portion thereof. .
The push rod 120 of the tip dressing apparatus for a stationary welding apparatus provided with the push unit according to claim 1 advances according to a control signal so that the push block 130 pushes the tip dresser 10 to the swing body 40 And a process of reducing the turning radius of the tip dresser 10 so that the stationary tip 2 and the moving tip 2 of the stationary welder are positioned above and below the tip machining portion 11 of the tip dresser 10, A step of moving the swing body 40 including the reduced tip dresser 10 by rotating the swing body 40 and a step of preparing a tip dressing having a process of rotating a cutting tool included in the tip machining part 11 of the tip dresser 10 (S1);
The push rod 120 is retracted according to a control signal and the fixing tip 2 is brought close to the tip machining portion 11 of the tip dresser 10; A tip dressing step (S2) having a process of being seated on the processing part (11) and simultaneously pressing the tip dresser while pressing the processing tool by rotating the fixing tip (2) and the moving tip (3);
The push rod 120 advances according to a control signal and the push block 130 moves to the tip dresser 10 in accordance with a control signal, A process of reducing the radius of rotation of the tip dresser 10 by forming a gap between the fixed tip 2 and the tip dresser 10 while pushing the tip end of the tip end 10 of the tip dresser 10, Rotating the swing body (40) including the tip dresser (10); rotating the push rod (120) in accordance with a control signal to move the tip dresser (10) And a tip dressing finishing step (S3) of finishing the tip dressing step, wherein the finishing step (S3) is performed.
The method according to claim 6,
The tip dressing step (S2)
A process of measuring the voltage value according to the movement position at which the push rod 120 is pushed and changed by the pushing force while the moving tip 3 is seated in the tip processing portion 11 and is cut using the capacitance sensor 150 and,
Converting the measured voltage value into a distance value using the display module 160 and displaying the converted distance value so as to be externally visible;
And determining a cutting amount of the tip through the distance value. The tip dressing apparatus of claim 1,

Images