KR20100135362A

KR20100135362A - Grinder for vehicle's break disk

Info

Publication number: KR20100135362A
Application number: KR1020090053688A
Authority: KR
Inventors: 박성현
Original assignee: 박성현
Priority date: 2009-06-17
Filing date: 2009-06-17
Publication date: 2010-12-27

Abstract

Disclosed is a brake disc polishing apparatus capable of smoothly processing an unbalanced surface of a vehicle brake disc.

The brake disc polishing apparatus according to the present invention includes a main body (2) having a housing (27) formed thereon with an electric motor having a deceleration function therein; Clamping means (3) consisting of an inner and outer pressing body (33,34) coupled to the front end of the rotating shaft 32 connected to the electric motor, a central presser (35) coupled to have a resilience force by the pressing spring; Position adjusting means (4) having cutters (45) coupled to front ends of the plurality of chucks (44) formed opposite the predetermined spaced positions and in contact with both side surfaces of the disk (100); A support device (5) installed to support side and outer peripheral surfaces of the disk (100) on the upper portion of the clamping means (3) to prevent shaking during rotation of the disk (100); The position adjusting means (4) includes a cover device (6) to protect the chip scattered from the cutter (45) from splashing outside; It comprises a moving device (7) for controlling the forward and backward operation of the position adjusting means (4).

Description

Brake Disc Grinding Device {Grinder for Vehicle's Break Disk}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brake disc polishing apparatus, and more particularly, to a brake disc polishing apparatus which enables to smoothly process an unbalanced surface of a vehicle brake disk.

As is well known, the vehicle is equipped with a brake device for generating a braking force, and includes a disc brake and a drum brake.

The disk used in the brake device is manufactured by a conventional casting process, and is not separately heat treated, so the strength is low, and when the brake is frequently operated while driving, heat is generated due to friction due to contact with the brake pads. .

Therefore, when braking of the vehicle is performed, partial wear or bending occurs due to natural or artificial cold heat due to contact between the brake disc surface and the brake pad.

As described above, when abnormal wear phenomenon occurs on the disk surface of the brake device, smooth braking is not achieved during braking, a phenomenon occurs, a brake pedal shakes, or a vehicle body is generated. Noise occurs during braking and steering of the steering wheel occurs during low-speed driving, causing anxiety to the driver when driving, which causes dangerous situations and safety accidents.

If such brake wear or bending of the brake disc occurs in the brake device of the vehicle, the disc or brake pad must be replaced.

However, the cost burden of these exchanges increases, causing a waste of resources and an increase in industrial waste.

The present invention has been invented to solve the above-mentioned problems of the prior art, and to provide a brake disc polishing apparatus for smoothly polishing and reusing a surface of a disk having uneven wear and bending.

It is also a first object of the present invention to provide a brake disc polishing apparatus having a supporting means for supporting the brake disc to not shake during rotation.

A second object is to provide a brake disc polishing apparatus having a positioning means to precisely position the polishing cutter on both sides of the disk.

In addition, a third object is to provide a brake disc polishing apparatus having a moving device so that the polishing surface can be smoothly formed so that the polishing cutter can be moved at a uniform speed from the center of the disc to the outer circumference during the grinding process.

Now, the brake disc polishing apparatus of the present invention for achieving the above object, the main body is formed therein the housing 27 is built in the electric motor having a deceleration function therein; Clamping means comprising an inner / outer pressurized body coupled to the distal end of the rotating shaft connected to the electric motor, and a central pressurized body coupled to have elasticity by the pressing spring; Position adjusting means coupled to front ends of the plurality of chucks formed opposite the predetermined spaced positions and having cutters in contact with both sides of the disk; A support device installed on the upper portion of the clamping means to support a side surface and an outer circumferential surface of the disk to prevent shaking during rotation of the disk; The position adjusting means includes a cover device to protect the chip from the cutter from splashing outside; It is configured to include a moving device for controlling the forward, reverse operation of the position adjusting means.

Brake disk polishing apparatus according to the present invention can be reused by smoothly polishing the surface of the disk with abrasion and bending, in particular, by supporting the side and outer peripheral surface of the brake disk by a support device to enable precise operation by not shaking during rotation do.

In addition, it is possible to precisely position the cutter on both sides of the disk by using the position adjusting means, fine adjustment is possible, and the center line adjustment of the disk and the bed is easy to precise grinding is possible.

In addition, during the grinding process, the cutter can be quickly moved from the center of the disc toward the outer circumference at a uniform speed, so that the polishing surface can be processed smoothly and the scattering chip is blocked by the cover device to protect the safety of the operator. And to prevent surrounding pollution.

And tools and essential equipment of various sizes can be mounted using a tool storage means can improve work efficiency.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the overall configuration of a brake disc polishing apparatus according to an embodiment of the present invention.

Referring to Figure 1, the brake disc polishing apparatus (A) according to the present invention includes a main body (2) formed with a housing (27) in which an electric motor having a deceleration function is largely formed therein;

Clamping means (3) comprising an inner / outer pressurized body coupled to the distal end of the rotating shaft connected to the electric motor, and a central pressurized body coupled to have an elastic force by the pressing spring;

It is roughly divided into position adjusting means (4) having cutters (45) which are coupled to the leading ends of the plurality of chucks formed opposite the spaced intervals and are in contact with both sides of the disk (100).

The main body 2 includes a pedestal 22 fixed to the ground, a support 24 installed vertically with a predetermined length on an upper portion of the support 22, a work table 26 provided on an upper portion of the support 24, and It is composed of a housing 27 installed on the work table 26.

In addition, one side of the housing 27 is attached to the control panel 28 is provided with various on / off switch and speed control switch.

The control panel 28 is provided with an on / off switch of the clamping means 3, an operation switch of the moving device 7, a moving speed control switch of the moving device 7, and an emergency stop switch.

And a lower portion of the clamping means (3) and the position adjusting means (4) is provided with a collecting container (23) for collecting the chips generated by the disk 100.

In addition, the support 24 is further provided with a tool storage means 25 for accommodating the tool.

The tool receiving means 25 is in the shape of a disk that is fitted into the strut 24 is coupled, a plurality of hooks 252 is attached to the outer periphery, so that the position can be fixed by tightening bolts.

Of course, if necessary, the position of the bolt can be changed by lifting and lowering the tool storage means 25.

In addition, the present invention is further provided with a support device (5) to support the side and outer peripheral surface of the disk 100 on the upper portion of the clamping means (3) to prevent shaking during the rotation of the disk (100).

Figure 2 is a front view of the support device in the brake disc polishing apparatus according to an embodiment of the present invention, Figure 3 is a left side view of the support device in the brake disk polishing apparatus according to an embodiment of the present invention, Figure 4 is a A plan view of a support device in a brake disc polishing device according to an embodiment.

2 to 4,

The support device 5 is

A base 52 installed on the top of the housing 27;

A base shaft 53 coupled to the base 52 and moving forward and backward and having a handle 532 formed at the rear thereof;

A fastener 54 coupled to the base 52 to fix the position of the base shaft 53;

A bracket 55 formed at the front end of the base shaft 53 and having a fixture 553 formed therein, and having an upper jaw and a lower jaw formed therein;

A bolt 552 vertically coupled to the upper jaw and the lower jaw of the bracket 55 and the fixture 553, and a side support roller 56 coupled to the bottom of the bolt 552;

A tightening handle 57 coupled to an upper end of the bolt 552;

A roller shaft 593 horizontally coupled to the fixture 553, a first connecting rod 591 coupled to the front end of the roller shaft 593, and an outer coupled to the shaft pin coupled to the first connecting rod 591. Jar roller 58;

It comprises a swing handle 59 is coupled to the second connecting rod 592 coupled to the rear end of the roller shaft (593).

The base 52 has a rectangular box shape, and may be moved forward and backward by coupling the base shaft 53 to a groove formed in the longitudinal direction therein.

The fastener 54 is composed of a bolt 552 screwed to the nut 542 provided on the upper portion of the base 52, and a handle 543 formed on the upper portion of the bolt 552, the handle 543 ), The tip end of the bolt 552 is strongly pressed on the upper surface of the base shaft 53 by the tightening of the base shaft 53 can be fixed without moving.

The bracket 55 is a metal plate having upper and lower jaws respectively formed in the upper and lower portions of the vertical part, and having a substantially "c" shape, and the front end of the base shaft 53 is fixed integrally to the vertical part, and the inside is a rectangular parallelepiped. Fastener 553 is attached.

The side support roller 56 is coupled to the lower end of the bolt 552 vertically coupled to the upper jaw and the lower jaw of the bracket 55 and the fixture 553, a plurality of rubber rings (R) is coupled to the outer surface The contact force was improved.

The tightening handle 57 is coupled to the upper end of the bolt 552, and the height of the side support roller 56 and the outer support roller 58 can be adjusted by elevating the bolt 552 by tightening and loosening operation. Adhesion with 100 can be appropriately adjusted.

The outer circumference of the roller shaft 593 is provided with a second spring (594) to prevent the shaking caused in the horizontal direction of the outer support roller (58). That is, since the second spring 594 pushes the fixture 553 at a constant elastic force, the first connector 591 mounted at the front end of the fixture 553 and the outer support roller 58 coupled thereto may be elastically supported. It can prevent shaking.

The pivot handle 59 is coupled to the second connecting rod 592 at right angles to the rear end of the roller shaft 593 at right angles to the outer support roller 58 and the side support roller 56 by the swing operation. Control to allow the disk 100 to contact or separate operation.

The swing handle 59 is provided with a first spring 597 to be provided with elasticity during swing operation, one end of the first spring 597 is fixed to the swing handle 59, and the other end is fixed to the fixture 553. It is fixed to the formed pin 595.

Therefore, the operation of causing the outer support roller 58 and the side support roller 56 to be separated from the disk 100 by rotating the pivot handle 59 can be quickly performed by the contracting force of the first spring 597.

Figure 5 is a front view of the "position adjusting means" in the brake disk polishing apparatus according to the present invention, Figure 6 is a view from above of the "position adjusting means" in the brake disk polishing apparatus according to the present invention, Figure 7 In the brake disc polishing apparatus according to the invention, a view of the "position adjusting means" is seen from below.

As shown in Figures 5 to 7, the position adjusting means 4

Rectangular bed 41;

A plurality of adjusting knobs 42 screwed apart at a predetermined distance from both sides of the bed 41;

A straight body 43 formed at the front of the adjusting knob 42 and screwed;

A chuck 44 formed obliquely at the front end of the body 43;

A cutter 45 mounted at the tip of the chuck 44;

Tightening handle 46 is screwed to the upper portion of the chuck 44 is tightened and loosened control;

.

The bed 41 is a metal body having a rectangular weight and is coupled to the mounting table 72 of the moving device 7, and has a length of a predetermined length in the longitudinal direction perpendicular to the mounted disk 100 at the center thereof. 410 is formed, a central indicator 411 is formed at the center of the long hole 410 to measure the straight line with the disk 100, the bolt 412 is coupled to the long hole 410 The adjusted position can be fixed.

The adjusting knob 42 is screwed to be spaced a predetermined distance on both sides of the bed 41, the front end is inserted into the body 43.

The body 43 is a straight line parallel to the adjustment knob 42, the chuck 44 is formed at the tip of the body 43 is inclined toward the disk 100.

And the chuck 44 is formed so that the two are opposed to each other to face both sides of the disk (100).

In addition, as shown in FIG. 7, the chuck 44 has an operating shaft 442 having the cutter 45 mounted therein at the front end thereof to be inserted therein to provide a force for pulling the operating shaft 442. Both ends of the spring 446 are connected to the front and rear ends of the 442, and a first inclined surface 4421 is formed at the rear end of the operating shaft 442.

The adjustment knob 42 is formed in the front end of the second inclined surface 429 in contact with the first inclined surface 4421 so that when the adjustment knob 42 is advanced, the second inclined surface 429 is the first inclined surface 4421. The operating shaft 442 and the cutter 451 of the push chuck 44 may be advanced.

The cutter 45 is in contact with the outer surface of the disk 100 to increase the smoothness by cutting.

The tightening handle 46 may be screwed on the upper portion of the chuck 44 to fix the operating shaft 442 by tightening to maintain a constant gap between the cutter 45 and the disk 100.

On the other hand, the position adjusting means 4 is further provided with a cover device 6 to protect the chip scattered from the cutter 45 from splashing to the outside.

The cover device 6 is shown in Figures 5 and 6,

A handle having a weight formed at the rear end of the shaft pin 62, the cover plate 64 formed at the front end of the shaft pin 62, inserted into the bracket 413 formed on the upper surface of the bed (41) ( 66).

The cover plate 64 is positioned above the cutter 45 to prevent scattering of the cut chips.

The handle 66 is formed at the end of the rear end of the shaft pin 62 is bent to the outside as a ball shape having a weight can be easily held in the hand and the cover plate 64 can be easily rotated by the weight.

Meanwhile, since the cutter 45 of the position adjusting means 4 can be polished by the rotation of the disk 100 while moving toward the outer circumference at the center of the disk 100, the position adjusting means 4 at an appropriate speed. This must be reversed.

A moving device 7 is provided to control the forward and backward operations of the position adjusting means 4.

8 is a view showing a moving device in the brake disc polishing apparatus according to the present invention, FIG. 9 is an exploded perspective view of the moving device in the brake disc polishing apparatus according to the present invention, and FIG. 10 is a movement in the brake disc polishing apparatus according to the present invention. Partial cross-sectional view showing the coupling state of the 'handle' and the 'handle' of the device.

As shown in Figs. 8 to 10,

The moving device 7

The bed 41 is composed of an upper member 722 mounted to be slidable, and a side member 724 connected to the upper member 722, and a guide groove 725 is formed in the side member 724. A front and rear mounting brackets 72 having a front and rear brackets 726 and 727 formed thereon;

A motor 73 installed inside the mount 72 and having a main gear 732 mounted on a shaft through which the front end bracket 55 is coupled;

An auxiliary gear 744 meshed with the main gear 732 is formed at the front end, and both ends thereof are rotatably coupled to the front and rear end brackets 726 and 727 of the mount 72 and have a screw formed at an outer surface thereof;

A casing 75 having a guide protrusion 751 inserted into the guide groove 725 of the mount 72 and a protrusion 752 having a groove 753 to which the shaft 74 is coupled. ;

A stop gear 76 mounted to the protrusion 752 of the casing 75 and engaged with the shaft 74 and having a key groove (not shown) formed in the center hole;

A gear shaft 77 penetrating the casing 75 and coupled to the center hole of the stop gear 76 and having a key 772 inserted into the key groove on an outer circumferential surface thereof;

A handle 78 having a concave recess portion 782 formed in the center of the through hole fitted to the rear of the gear shaft 77;

And a handlebar 79 having a tubular portion 792 coupled to the gear shaft 77 and contacting the recess 778.

The mount 72 is composed of an upper member 722 on which the bed 41 is mounted, and a side member 724 connected to one side of the upper member 722 to form a side shape of "A".

In addition, guide grooves 725 are formed at the upper and lower ends of the side members 724, and front and rear end brackets 726 and 727 are formed at the front and rear ends.

The shaft 74 is a bolt having a predetermined length having an auxiliary gear 744 meshed with the main gear 732 at the front end and a screw formed on the outer surface thereof.

In particular, a stepped portion 746 is formed at a rear end of the shaft 74 to have a diameter smaller than that of a screwed portion, and when the handle 78 is operated manually by smoothing the outer surface of the stepped portion 746, the shaft ( 74 and the casing 75 are simultaneously retracted. At this time, when the stepped portion 746 of the shaft 74 reaches the stop gear 76, the mount 72 is idle so that the mount 72 is not separated from the casing 75.

The casing 75 has guide protrusions 751 formed on the upper and lower portions of the casing 75 so as to be inserted into the guide grooves 725 of the mount 72, and protrusions having grooves 753 to which the shaft 74 is coupled. A 752 is formed, and one side is formed with a hole (not shown) through which the gear shaft 77 passes.

The gear shaft 77 penetrates through the casing 75 and is coupled to the center hole of the stop gear 76.

The stop gear 76 is a conventional spur gear installed at the lower portion of the groove 753 and engaged with the lower portion of the shaft 74 and having a key groove (not shown) formed in the center hole.

On the other hand, the front and rear end caps 728 and 727 are mounted on the outside of the front and rear end brackets 726 and 727 of the mount 72, and the front and rear end caps 728 and the outside of the casing 75 are mounted. ) Is provided with a detection sensor (S) to detect the rear end cap 728 when excessive reversal of the mounting (72) by stopping the casing (75) and the mounting (72) mutually Provide safety devices to prevent separation.

That is, when the reverse cap (728) passes the detection sensor (S) at the start of reversing and then detects the rear cap (not shown), the motor 73 is stopped.

The operation of the disk 100 polishing apparatus according to the present invention having the configuration as described above will be described.

First, the disk 100 is fixed to the clamping means 3. Since this is already known in the art, a detailed description thereof will be omitted.

Thereafter, while holding the handle 532, the base shaft 53 is pushed so that the side support rollers 56 are in place, and then the tightening holes 54 are tightened and fixed.

That is, the side support roller 56 is in close contact with the side of the disk (100).

At this time, by tightening or loosening the tightening handle 57 to adjust the height of the side support roller (56).

Thereafter, the pivoting handle 59 is rotated so that the outer support roller 58 is in contact with the outer circumferential surface of the disk 100.

Thus, the support device 5 is installed in the correct position so as to prevent the shaking of the disk 100, and then operate the position adjusting means 4 so that the cutter 45 is in close contact with the disk 100.

That is, loosen the bolt 412 coupled to the long hole 410 of the bed 41 and move the bed 41 so that the central indicator 411 is in line with the disk 100 and then tighten the bolt 412 After fixing, tighten or loosen the adjusting knob 42 to set the cutter 45 to form an appropriate gap with the disk 100.

After holding the handle 66 of the cover device 6 to rotate the cover plate 64 to cover the cutter 45 to prevent the scattering of the chip.

On the other hand, since the cutter 45 should be located at the center of the disk 100, the moving device 7 is operated to set the position of the position adjusting means 4.

That is, when the handle 78 is pulled out by hand while the small handle 79 is removed to the outside, the stop gear 76 is rotated and the shaft 74 is pushed so that the mount 72 is also moved forward. The bed 41 and the position adjusting means 4 coupled to the upper portion are also advanced so that the cutter 45 is advanced to the center of the disk 100.

Then, when the tip of the tubular portion 792 is in close contact with the indentation portion 782 of the large handle 78 by tightening the small handle 79, the large handle 78 is in close contact with the outer surface of the casing 75. The shaft 77 and the stop gear 76 are fixed so as not to rotate.

Thereafter, when the motor 73 is rotated, the shaft 74 is rotated through the main gear 732 and the auxiliary gear 744.

When the shaft 74 is rotated, it is driven backward by the teeth of the stop gear 76, and the shaft 74 is coupled to the mounting base 72 by the front and rear end brackets 726 and 727. ) Is reversed, and the bed 41 coupled to the mount 72 is retracted so that the position adjusting means 4 including the cutter 45 is retracted at a constant speed.

Therefore, since the cutter 45 moves from the center of the rotating disk 100 to the outside, the surface of the disk 100 is polished or cut.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment and should be interpreted by the attached claim. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

1 is a perspective view showing the overall configuration of a brake disc polishing apparatus according to the present invention.

2 is a front view of the "support device" in the brake disc polishing apparatus according to the present invention.

Figure 3 is a left side view of the "support device" in the brake disc polishing apparatus according to the present invention.

4 is a plan view of a "support device" in the brake disc polishing apparatus according to the present invention.

Figure 5 is a front view of the "position adjusting means" in the brake disc polishing apparatus according to the present invention,

Figure 6 is a view from above of the "position adjusting means" in the brake disc polishing apparatus according to the present invention,

Figure 7 is a view from below of the "position adjusting means" in the brake disc polishing apparatus according to the present invention.

8 is a perspective view showing a "moving device" in the brake disc polishing apparatus according to the present invention.

Figure 9 is an exploded perspective view of the moving device in the brake disc polishing apparatus according to the present invention.

Figure 10 is a partial cross-sectional view showing a coupling state of the 'big handle' and 'small handle' of the moving device in the brake disk polishing apparatus according to the present invention.

2 main body 3 clamping means

4: position adjusting means 5: polishing apparatus

6: cover device 7: mobile device

22: pedestal 24: prop

26: workbench 27: housing

41: bed 42: adjustment knob

43: Body 44: Chuck

45: cutter 46: tightening handle

72: mounting 74: shaft

75: casing 76: stop gear

77 gear axis 78 handle

79: small handle 100; Disk (100)

Claims

A main body 2 having a housing 27 having an electric motor having a deceleration function therein formed thereon;

Clamping means (3) comprising an inner / outer pressurizer (33,34) coupled to the front end of the rotating shaft (32) connected to the electric motor, and a central presser (35) coupled to have a resilience force by the pressing spring;

Consists of the position adjusting means 4 for adjusting the position of the cutter 45 in contact with both sides of the disk 100,

The position adjusting means 4

Rectangular bed 41;

A straight body 43 formed at the front of the adjusting knob 42 and screwed;

A chuck 44 formed obliquely at the front end of the body 43;

A cutter 45 mounted at the tip of the chuck 44;

Tightening handle 46 is screwed to the upper portion of the chuck 44 is tightened and loosened

Brake disk polishing apparatus comprising a.

The method of claim 1,

The chuck 44 has an operating shaft 442 having the cutter 45 mounted on the front end thereof is inserted therein, and a spring 446 is provided to pull the operating shaft 442. Brake disk polishing apparatus, characterized in that formed on the rear end of the first inclined surface (4421).

The method of claim 1,

The adjustment knob (42) is a brake disc polishing apparatus, characterized in that the second inclined surface (429) is formed in the front end to contact the first inclined surface (4421) of the operating shaft (442).

The method of claim 1,

The bed 41

Long hole 410 formed to a predetermined length;

A central indicator hole 411 formed at the center of the long hole 410 to measure a straight line with the disk 100;

A bolt 412 coupled to the long hole 410 to fix the adjusted position

Brake disk polishing apparatus comprising a.

The method of claim 1,

The upper part of the clamping means (3) is provided with a support device (5) to support the side and outer peripheral surface of the disk 100 to prevent shaking during rotation of the disk 100,

The support device 5 is

A base 52 installed on the top of the housing 27;

A fastener 54 coupled to the base 52 to fix the position of the base shaft 53;

A tightening handle 57 coupled to an upper end of the bolt 552;

Swivel handle 59 coupled to second connector 592 coupled to the rear end of the roller shaft 593

Brake disk polishing apparatus comprising a.

The method of claim 5,

Brake disk polishing apparatus, characterized in that the second spring (594) is coupled to the outer circumference of the roller shaft (593), the second spring (594) pushes the fixture (553) with a constant elastic force.

The method of claim 5,

A first spring 597 is installed at the swing handle 59, one end of the first spring 597 is fixed to the swing handle 59, and the other end is fixed to a pin 595 formed at the fixture 553. Brake disk polishing apparatus, characterized in that.

The method of claim 1,

The position adjusting means 4 is provided with a cover device 6 to protect the chip scattered from the cutter 45 from splashing to the outside,

The cover device 6 is

A handle having a weight formed at the rear end of the shaft pin 62, the cover plate 64 formed at the front end of the shaft pin 62, inserted into the bracket 413 formed on the upper surface of the bed (41) ( Brake disc polishing apparatus comprising: 66).

The method of claim 1,

A moving device 7 is provided to control the forward and backward operations of the position adjusting means 4,

The moving device 7

A mount 72 to which the bed 41 of the position adjusting means 4 is mounted;

A stop gear (76) mounted to the protrusion (752) of the casing (75) and engaged with the shaft (74);

A gear shaft 77 penetrating the casing 75 and coupled to the stop gear 76;

A handle 78 coupled to the gear shaft 77 and having a recess 782;

Small handle 79 having a tubular portion 792 coupled to the gear shaft 77 and in contact with the concave portion 782.

Brake disk polishing apparatus comprising a.

The method of claim 9,

The mount 72 is

Upper material 722 on which the bed 41 is mounted,

A side member 724 connected to one side of the upper member 722,

Guide grooves 725 formed on the upper and lower ends of the side member 724, and

Front and rear brackets formed at front and rear ends (726,727)

Brake disk polishing apparatus comprising a.

The method of claim 9,

The shaft 74 is

Brake disc polishing apparatus, characterized in that the stepped portion (746) having a smaller diameter than the screwed portion is formed at the rear end, and the outer surface of the stepped portion (746) is formed smoothly.

The method of claim 10,

The mount 72 is

Front and rear end caps 728 mounted on the front and rear brackets 55, respectively;

Further comprising a detection sensor (S) mounted to the outside of the casing 75 to detect the front and rear cap 728,

Brake disk polishing apparatus, characterized in that the casing (75) and the mounting table (72) is not separated from each other.

The method of claim 1,

The main body 2

Pedestal (22) fixed to the ground,

A strut 24 vertically installed at a predetermined length on an upper portion of the pedestal 22,

Work table 26 installed on the top of the support 24,

Housing 27 installed on the workbench 26

Brake disk polishing apparatus comprising a.

The method of claim 13,

The support 24 is further provided with a tool storage means 25 for receiving a tool,

The tool receiving means 25 is in the shape of a disc fitted into the strut 24,

A plurality of hooks 252 are attached to the outer periphery,

Brake disk polishing apparatus characterized in that the position can be fixed by tightening the bolt.

The method of claim 1,

Brake disk polishing apparatus, characterized in that the lower portion of the clamping means (3) and the position adjusting means (4) is further provided with a collecting container (23) for collecting the chips generated during the polishing of the disk (100).