KR200393909Y1 - Multi-function grinding appratus - Google Patents

Abstract

The present invention relates to a multifunctional polishing apparatus, and more particularly, to make the surface of a polished object uniform by changing the shape and material of the polishing pad of the multifunctional polishing apparatus so as to shorten the working time and to process the polished product finely. The present invention relates to a multifunctional polishing apparatus capable of improving the reliability of the work.

The multifunctional polishing apparatus according to the present invention forms an outer surface and has a skeletal function, but at least one polishing sheet provided to surround the front surface of the body and the body with different roughnesses on the surface of the workpiece to be polished on top of the body. It is characterized by further comprising an adhesive means for adhering the abrasive body and the abrasive sheet having a different surface of the particle structure for processing.

Description

Multi-function Grinding Apparatus

The present invention relates to a multifunctional polishing apparatus, and more particularly, to make the surface of a polished object uniform by changing the shape and material of the polishing pad of the multifunctional polishing apparatus so as to shorten the working time and to process the polished product finely. The present invention relates to a multifunctional polishing apparatus capable of improving the reliability of the work.

In general, in order to finish the surface of the woodwork or the surface of household and industrial hand tools, a sand sheet (hereinafter referred to as sandpaper) or a grinding wheel polishing apparatus is used.

The polishing sheet and the grindstone polishing apparatus used to finish the surface of the workpiece to be polished will be described in detail with reference to FIGS. 1 and 2.

1 is a perspective view showing a conventional polishing apparatus as one example.

As shown in FIG. 1, first, one conventional polishing apparatus 100 is an abrasive 100a having a surface of a different grain structure for processing a surface with different roughness with respect to a surface of an object to be polished (not shown). And sand paper (100) including 100b, 100c, and 100d).

On the other hand, as shown in Figure 2, another conventional polishing apparatus 200 is a front surface of the polishing pad, which is a main body made of a grindstone surface with different roughness with respect to the surface of the workpiece (not shown) It is composed of a grindstone polishing apparatus 200 comprising abrasives 200a, 200b, 200c, 200d having surfaces of different grain structures for processing the particles. Here, the above-described polishing apparatus 200 of Figure 2 is located on the upper side of the workpiece (not shown), the surface contact state of the polishing apparatus 200 and the workpiece (not shown) in detail Same as FIG. 3.

3 is a view for showing a surface contact state of the abrasive grinding device and the workpiece of FIG. As shown in FIG. 3, one conventional polishing apparatus 300 is the above-described polishing to the point P desired by the operator in order to even the surface of the workpiece 310 such as a woodworking material or a sharp hand tool. The device 300 is positioned on the upper side of the workpiece 310, and refers to a device for selectively trimming by using a predetermined pressure means (not shown) such as an operator's hand.

Such a conventional polishing device 300 is a polishing object by the lower surface (S ₁ ) of the polishing device 300, if selectively moved using a predetermined pressure means (not shown), such as a worker's hand. The surface of 310 is processed.

Here, an abrasive having a surface of a different grain structure for processing the surface with different roughness for the refinement of the work and the uniformity of the surface with respect to the surface of the workpiece 310 on the front surface of the polishing apparatus 300 described above. Is attached. The process of uniformly smoothing the surface of the workpiece 310 using the abrasive (not shown) of the polishing apparatus will be described in more detail with reference to FIGS. 4 and 5.

4 and 5 are diagrams for illustrating an example of uniformly smoothing the surface of the workpiece using the polishing apparatus of FIGS. 1 and 2.

First, as shown in Figure 4, one conventional polishing device (Sand Paper: referred to as 'sandpaper') is an abrasive having a surface of a different particle structure in order to uniformly smooth the surface of the workpiece 410 The polishing sheet including (400a, 400b, 400c, 400d) is alternately subjected to the process from step (a) to step (d).

However, in such a polishing apparatus, predetermined abrasives 400a, 400b, 400c, and 400d are applied to the thinner and lighter abrasive sheets so as to have different roughness, so that the operator may apply predetermined pressure means such as a hand (not shown). In order to uniformize the surface of the workpiece 410 by using a pressing pressure must be further applied. Accordingly, in order to obtain a uniform surface of the workpiece 410, the worker's body comes to be overwhelmed, and eventually work time increases.

In order to overcome this problem, a conventional grinding wheel polishing apparatus is used. The grinding wheel polishing apparatus is a polishing product (front) of a polishing pad 501, which is a main body made of a grinding wheel, as shown in FIG. A main body including abrasives 500a, 500b, 500c, and 500d attached with abrasives 500a, 500b, 500c, and 500d having different grain structures for processing the surface with different roughnesses on the surface of the 510. While turning 501, the process goes from step (a) to step (d).

However, such a grindstone polishing apparatus is made of a grindstone to have a predetermined width and thickness, so the elasticity is poor, and thus the grinding of the polished workpiece 510 is performed finely to obtain a uniform surface of the polished workpiece. .

In order to solve the above problems, an object of the present invention is to provide a multifunctional polishing apparatus capable of obtaining a uniform surface of a polished product by shortening the working time by changing the shape and material of the polishing pad which is the main body of the polishing apparatus. do.

In addition, another object of the present invention is to provide a multifunctional polishing apparatus capable of finely processing the workpiece.

The present invention for solving the above-described problem is to form a contour and at least one polishing sheet provided to cover the front surface of the main body and the elastic body having elasticity and different roughness with respect to the surface of the workpiece on the top of the main body It is characterized in that the surface is further provided with an adhesive means for bonding the body and the abrasive sheet and the abrasive having a surface of another particle structure.

In addition, the body is characterized in that any one of a cylindrical or polygonal.

In addition, the elastic material is characterized in that the synthetic resin containing at least one or more of the urethane foam or urethane lever.

In addition, the adhesive means is characterized in that either of the double-sided tape or adhesive.

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

<First Embodiment>

6 is an exploded perspective view showing a multifunctional polishing apparatus as a first embodiment according to the present invention. First, the multifunctional polishing apparatus according to the present invention is provided in the same manner as the above-mentioned grindstone polishing apparatus shown in FIG. 5. However, the multifunctional polishing apparatus according to the present invention is made of a flexible material of the polishing pad which is a main body, and the shape of the above-described polishing pad has a rectangular shape among polygons. This, look at in more detail the multifunctional polishing apparatus according to the present invention as shown in FIG.

As shown in FIG. 6, the multifunction polishing apparatus 600 according to the present invention includes a main body 601, polishing sheets 600a, 600b, 600c, 600d, and abrasives 600a ₁ , 600b ₁ , 600c ₁ , 600d ₁ . And bonding means 600a ₂ , 600b ₂ , 600c ₂ , 600d ₂ .

First, the main body 601 is a polishing pad 601 forming a case, the shape of which is a polygonal shape, the material is provided with a flexible material that can be physically deformed. Preferably, the above-described polishing pad 601 has a rectangular shape, and the material of the polishing pad 601 is made of a synthetic resin including at least one of urethane foam and urethane lever.

In addition, the polishing sheets 600a, 600b, 600c, and 600d may be provided to correspond to the front surface of the main body 601 so as to surround the front surface of the main body 601. Such a polishing sheet 600a, 600b, 600c, 600d serves to make the surface of the workpiece (not shown) uniform.

In this case, each of the abrasives 600a ₁ , 600b ₁ , 600c ₁ , and 600d ₁ having different particle structures may be applied to the entire surface of the one or more abrasive sheets 600a, 600b, 600c, and 600d described above. Each of the abrasives 600a ₁ , 600b ₁ , 600c ₁ , 600d ₁ contributes to refinement of the work by processing the surface with different roughness with respect to the surface of the workpiece (not shown).

In addition, bonding means 600a ₂ , 600b ₂ , 600c ₂ , and 600d ₂ for bonding the above-described main body 601 and at least one polishing sheet 600a, 600b, 600c, and 600d are further provided. Here, the bonding means 600a ₂ , 600b ₂ , 600c ₂ , 600d ₂ may be any means capable of bonding and fixing the main body 601 and at least one polishing sheet 600a, 600b, 600c, 600d, respectively. One, preferably, the above-described adhesive means 600a ₂ , 600b ₂ , 600c ₂ , 600d ₂ are double-sided tape or at least one of adhesives.

The adhesive means 600a ₂ , 600b ₂ , 600c ₂ , and 600d ₂ fix one or more polishing sheets 600a, 600b, 600c, and 600d, respectively, to help uniformly the surface of the workpiece (not shown). It will play a role.

On the other hand, the multi-function polishing apparatus 600 according to the present invention peels off the polishing sheets 600a, 600b, 600c, 600d which have reached the end of their life in order to polish the workpiece (not shown) and the new polishing sheets 600a, 600b, 600c, 600d) can be replaced.

Such a multifunctional polishing apparatus 600 according to the present invention is located on the upper side of the workpiece (not shown), looking at the surface contact state of the multifunctional polishing apparatus 600 and the workpiece (not shown) in detail Next, as shown in FIG.

FIG. 7 is a view illustrating a surface contact state between the multifunctional polishing apparatus of FIG. 6 and the workpiece to be polished. As shown in FIG. 7, first, the multifunctional polishing apparatus according to the present invention has the same function as the above-mentioned grindstone polishing apparatus shown in FIG. 3, that is, of the abrasive 710 such as woodworking materials or sharp hand tools. In order to level the surface, the above-described multifunctional polishing apparatus 700 is placed on the upper side of the workpiece 710 to the point P desired by the operator, and a predetermined pressure means such as the operator's hand is used. Refers to a device for selectively trimming.

Such a multi-function polishing apparatus 700 as an example according to the present invention is selectively moved using a predetermined pressure means (not shown), such as a worker's hand, the lower surface (S ₂ ) of the multi-function polishing apparatus 700 The surface of the to-be-polished object 710 is processed by this.

Here, an abrasive having a surface of a different grain structure for processing the surface with different roughness for the refinement of the work and the uniformity of the surface with respect to the surface of the workpiece 710 on the front surface of the multifunctional polishing apparatus 700 ( Not shown) is attached. The process of uniformly smoothing the surface of the workpiece 710 using the abrasive (not shown) of the multifunctional polishing apparatus 700 will be described in more detail with reference to FIG. 8.

FIG. 8 is a diagram illustrating an example of uniformly smoothing a surface of an object to be polished using the multifunctional polishing apparatus of FIG. 6. First, the multifunctional polishing apparatus according to the present invention is subjected to the process of the same method as described above with reference to FIG. However, the multifunctional polishing apparatus according to the present invention is made of a synthetic resin containing at least one of a urethane foam or a urethane lever of the polishing pad which is a main body. Looking at the process of obtaining the surface of the workpiece uniformly using the multifunctional polishing apparatus according to the present invention in more detail as shown in FIG.

As shown in FIG. 8, the surface of the other grain structure for processing the surface with different roughness with respect to the surface of the polished article 810 on the front surface of the polishing pad 801 which is made of urethane-based material. The abrasives 800a ₁ , 800b ₁ , 800c ₁ , and 800d ₁ are attached to each other and the main body 801 including the abrasives 800a ₁ , 800b ₁ , 800c ₁ , and 800d _{1 is} rotated, and from step (a) to (d) The process goes through the steps.

Such a multifunctional polishing apparatus according to the present invention, since the polishing pad 801, which is a main body, is made of an elastic material, the lower surface (S ₂ of FIG. 7) of the multifunctional polishing apparatus and the workpiece (710 of FIG. 7) The surface area to be contacted is formed wider than the surface area to be contacted between the lower surface (S _{1 in} FIG. 3) and the workpiece (310 in FIG. 3) of the above-mentioned grindstone polishing apparatus shown in FIG.

Accordingly, the pressure that the worker presses to uniform the surface of the workpiece 810 by using a predetermined pressure means (not shown) such as a hand is polished by using the grinding wheel polishing apparatus described above with reference to FIG. 5. It is lower than the pressing pressure to make the surface of the article (510 in FIG. 5) uniform, thereby receiving less of the body of the victim sacrificed to obtain the surface of the uniformly polished article 810 and ultimately shortening the working time. .

In addition, the polishing pad 801 of the multifunctional polishing apparatus according to the present invention, which is elastic, enables fine processing of the workpiece 810 so that the surface of the uniform workpiece 810 can be efficiently obtained. Reliability is improved.

On the other hand, by varying the shape of the polishing pad provided in the multifunctional polishing apparatus according to the present invention it is possible to efficiently obtain a uniform surface of the workpiece, look at another example of the multifunctional polishing apparatus according to the present invention as shown in FIG. .

Second Embodiment

9 is an exploded perspective view showing a multifunctional polishing apparatus according to a second embodiment of the present invention. First, the multifunctional polishing apparatus according to the present invention is provided in the same manner as the multifunctional polishing apparatus described above with reference to FIG. 6. However, in the multifunctional polishing apparatus according to the present invention, the shape of the polishing pad which is the main body becomes circular. This, look at in more detail the multifunctional polishing apparatus according to the present invention as shown in FIG.

As shown in FIG. 9, the multifunction polishing apparatus 900 according to the present invention includes a main body 901, polishing sheets 900a, 900b, 900c, 900d, and abrasives 900a ₁ , 900b ₁ , 900c ₁ , 900d ₁ ). And bonding means 900a ₂ , 900b ₂ , 900c ₂ , 900d ₂ .

Since the functions of the respective components provided in the multifunctional polishing apparatus 900 according to the present invention are the same as the functions of the respective components provided in the above-described multifunctional polishing apparatus shown in FIG. 6, the description thereof is omitted below. Let's do it.

Here, the multifunctional polishing apparatus 900 according to the present invention is located on the upper side of the polished article (not shown) as described above in FIG. 6, such a multifunctional polishing apparatus 900 and the polished article (not shown). Looking at the surface contact state with) in detail as shown in FIG.

FIG. 10 is a view for showing a surface contact state between the multifunctional polishing apparatus of FIG. 9 and the workpiece to be polished. First, the multifunctional polishing apparatus according to the present invention is located on the upper surface of the workpiece 1010 in the same manner as the above-described grindstone polishing apparatus and the multifunctional smokescreen shown in Figs. By selectively moving using the pressure means (not shown), the surface of the workpiece 1010 is processed by the lower surface (S ₃ ) of the multi-function smoke screen device (1000).

Here, an abrasive having a surface of a different grain structure for processing the surface with different roughnesses on the front surface of the above-described multifunctional polishing apparatus 1000 for the refinement of the work and the uniformity of the surface. Not shown) is attached. The process of uniformly smoothing the surface of the workpiece 1010 by using an abrasive (not shown) of the multifunctional polishing apparatus 1000 will be described in more detail as shown in FIG. 11.

FIG. 11 is a diagram illustrating an example of uniformly smoothing a surface of an object to be polished using the multifunctional polishing apparatus of FIG. 9. First, the multifunctional polishing apparatus according to the present invention is subjected to the same process as described above with reference to FIGS. 5 and 8. However, in the multifunctional polishing apparatus according to the present invention, the shape of the polishing pad which is the main body is manufactured in a circular shape. Such a process of uniformly obtaining the surface of the article to be waved using the multifunctional polishing apparatus according to the present invention will be described in more detail with reference to FIG. 11.

As shown in FIG. 11, the surface of the polishing pad 1101, which is a main body manufactured in a circular shape, has a surface having a different grain structure for processing the surface with different roughness with respect to the surface of the workpiece 1110. abrasive _{(1100a 1, 1100b 1, 1100c} 1, 1100d 1) is attached, an abrasive, rotating the main body 1101 that includes _{(1100a 1, 1100b 1, 1100c} 1, 1100d 1) , from step (a) (d The process goes up to step

Such a multifunctional polishing apparatus according to the present invention is because the polishing pad 1101, which is a main body, is made of an elastic material, so that the bottom surface (S ₃ of FIG. 10) and the workpiece (1010 of FIG. 10) of the multifunctional polishing apparatus are manufactured. The surface area to be contacted is formed wider than the surface area to be contacted between the lower surface (S _{1 in} FIG. 3) and the workpiece (310 in FIG. 3) of the above-mentioned grindstone polishing apparatus shown in FIG.

Again, in the same manner as described above with reference to FIG. 8, the pressure that the operator presses to uniformly surface the workpiece 1110 using a predetermined pressure means (not shown) such as a hand is shown in FIG. 5. The body which is lower than the pressing pressure for uniformizing the surface of the workpiece (510 of FIG. 5) by using the above-described grindstone polishing apparatus, is sacrificed to obtain a uniform surface of the abrasive 1110. You will receive less crowds and eventually work time will be shorter.

In addition, the polishing pad 1101 of the multifunctional polishing apparatus according to the present invention, which is elastic, can be finely processed to obtain the surface of the uniform polished article 1110 efficiently, Reliability is improved.

On the other hand, by varying the shape of the polishing pad provided in the multifunctional polishing apparatus according to the present invention can be obtained more efficiently the surface of the uniform workpiece, another example of the multifunctional polishing apparatus according to the present invention is as follows. Same as 12.

Third Embodiment

FIG. 12 is an exploded perspective view showing the modified embodiment of FIG. 6 and showing the multifunctional polishing apparatus. First, the multifunctional polishing apparatus according to the present invention is provided in the same manner as the multifunctional polishing apparatus described above with reference to FIGS. 6 and 9. However, in the multifunctional polishing apparatus according to the present invention, the shape of the polishing pad which is the main body has a hexagon among polygons. This, look at in more detail the multifunctional polishing apparatus according to the present invention as shown in FIG.

As shown in FIG. 12, the multifunction polishing apparatus 1200 according to the present invention includes a main body 1201, polishing sheets 1200a, 1200b, 1200c, 1200d, 1200e, 1200f, and abrasives 1200a ₁ , 1200b ₁ , 1200c _1. , 1200d ₁ , 1200e ₁ , 1200f ₁ ) and bonding means (1200a ₂ , 1200b ₂ , 1200c ₂ , 1200d ₂ , 1200e ₂ , 1200f ₂ ).

Since the functions of the respective components provided in the multifunctional polishing apparatus 1200 according to the present invention are the same as the functions of the respective components provided in the above-described multifunctional polishing apparatus shown in FIGS. 6 and 9, Will be omitted below.

Here, the multifunctional polishing apparatus 1200 according to the present invention is located on the upper side of the workpiece (not shown) as described above in FIGS. 6 and 9, such a multifunctional polishing apparatus 1200 and the polished article Looking at the surface contact state with the (not shown) in detail as shown in FIG.

FIG. 13 is a view for showing a surface contact state between the multifunctional polishing apparatus of FIG. 12 and the workpiece to be polished. First, the multifunctional polishing apparatus according to the present invention is located on the upper surface of the workpiece 1310 in the same manner as the above-described grindstone polishing apparatus and the multifunctional smokescreen apparatus shown in FIGS. 3 and 7 and 10. When selectively moved using a predetermined pressure means (not shown) such as a hand, the surface of the workpiece 1310 is processed by the lower surface S ₄ of the multifunctional smoke screen device 1300.

Here, on the front surface of the above-mentioned multifunctional polishing apparatus 1300, work finer and surface uniformity are further improved with respect to the surface of the workpiece 1310 than the above-mentioned multifunctional polishing apparatus (600 in FIG. 6). The abrasive (not shown) having a surface of a different grain structure for processing the surface with different roughness is more than the above-described abrasive (600a ₁ , 600b ₁ , 600c ₁ , 600d _{1 in} FIG. 6). It is attached a lot. The process of uniformly smoothing the surface of the workpiece 1310 using the abrasive (not shown) of the multifunctional polishing apparatus 1300 will be described in more detail with reference to FIG. 14.

FIG. 14 is a diagram illustrating an example of uniformly smoothing a surface of an object to be polished using the multifunctional polishing apparatus of FIG. 12. First, the multifunctional polishing apparatus according to the present invention is subjected to the same process as described above with reference to FIGS. 5, 8 and 11. However, in the multifunction polishing apparatus according to the present invention, the shape of the polishing pad which is the main body is made of a hexagon among polygons. Such a process of obtaining the surface of the workpiece uniformly using the multifunctional polishing apparatus according to the present invention is described in more detail as follows.

As shown in FIG. 14, the surface of the polishing pad 1401, which is a main body made of hexagonal shape, has a surface having a different grain structure for processing the surface with different roughness with respect to the surface of the workpiece 1410. While the abrasives 1400a ₁ , 1400b ₁ , 1400c ₁ , 1400d ₁ , 1400e ₁ , 1400f ₁ are attached, and the main body 1401 including the abrasives 1400a ₁ , 1400b ₁ , 1400c ₁ , 1400d ₁ is rotated, ( The process goes from step a) to step (e).

Such a multifunctional polishing apparatus according to the present invention is because the polishing pad 1401, which is a main body, is made of an elastic material as described above with reference to FIGS. 6 and 9, so that the lower surface of the multifunctional polishing apparatus (S ₄ of FIG. 13). ) And the surface area in contact between the abrasive (1310 in Fig. 13) and the lower surface (S _{1 in} Fig. 3) of the grinding wheel polishing apparatus described above with reference to Fig. 3 and the abrasive (310 in Fig. 3). It is formed larger than the surface area.

Again, in the same manner as described above with reference to FIGS. 8 and 11, the pressure that the operator presses to uniform the surface of the workpiece 1110 using a predetermined pressure means (not shown) such as a hand is In order to obtain a uniform surface of the polished workpiece 1110, the pressure is lower than the pressing pressure in order to make the surface of the workpiece (510 of FIG. 5) uniform using the above-described grindstone polishing apparatus shown in FIG. You will be less likely to be sacrificed and you will end up working less.

Furthermore, abrasives 1400a ₁ , 1400b ₁ , 1400c ₁ , 1400d ₁ , 1400e ₁ , 1400f _{1 in} the abrasive sheet (not shown) of the multifunctional polishing apparatus according to the present invention are shown in FIG. 8. (800a ₁ , 800b ₁ , 800c ₁ , in FIG. 8 Since more than 800d ₁ ), the polishing pad 1401 can process the to-be-processed object 1410 even more finely, so that the surface of the uniform-finished workpiece 1410 can be efficiently obtained. Reliability is further improved.

As described above, those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the utility model registration claims to be described later rather than the detailed description, and the scope of the utility model registration claims. All changes or modifications derived from meaning and scope and equivalent concepts should be construed as being included in the scope of the present invention.

As described above, the present invention has the effect of improving the reliability of the work by shortening the working time and finely processing the work piece in uniformly processing the surface of the workpiece to be polished.

1 is a perspective view showing a conventional polishing device as one example.

Figure 2 is a perspective view to the rear showing another conventional polishing apparatus as one example.

Figure 3 is a view for showing the surface contact state of the abrasive device and the workpiece of Figure 2;

4 and 5 are views for showing an example of uniformly smoothing the surface of the workpiece using the polishing apparatus of FIGS. 1 and 2 as an example.

Figure 6 is an exploded perspective view showing a multifunctional polishing apparatus as a first embodiment according to the present invention.

7 is a view for showing the surface contact state of the multi-functional polishing apparatus and the workpiece of FIG.

8 is a view for showing a process of uniformly smoothing the surface of the workpiece using the multifunctional polishing apparatus of FIG. 6 as an example.

Figure 9 is an exploded perspective view showing a multifunctional polishing apparatus according to a second embodiment according to the present invention.

10 is a view for showing the surface contact state of the multi-function polishing apparatus and the workpiece of FIG.

11 is a view showing an example of uniformly smoothing the surface of the workpiece by using the multifunctional polishing apparatus of FIG.

FIG. 12 is an exploded perspective view of the modified embodiment of FIG. 6, showing the multifunctional polishing apparatus; FIG.

FIG. 13 is a view showing a surface contact state between the multifunctional polishing apparatus of FIG. 12 and the workpiece to be polished;

FIG. 14 is a view illustrating an example of uniformly smoothing a surface of an object to be polished using the multifunctional polishing apparatus of FIG. 12.

Explanation of symbols on the main parts of the drawings

601, 901, 1201: main body

600a, 600b, 600c, 600d: Polishing sheet 900a, 900b, 900c, 900d: Polishing sheet

1200a, 1200b, 1200c, 1200d, 1200e, 1200f: polishing sheet

600a ₁ , 600b ₁ , 600c ₁ , 600d ₁ : abrasive 900a ₁ , 900b ₁ , 900c ₁ , 900d ₁ : abrasive

1200a ₁ , 1200b ₁ , 1200c ₁ , 1200d ₁ , 1200e ₁ , 1200f ₁ : Abrasive

600a ₂ , 600b ₂ , 600c ₂ , 600d ₂ , 900a ₂ , 900b ₂ , 900c ₂ , 900d ₂ : bonding means

1200a ₂ , 1200b ₂ , 1200c ₂ , 1200d ₂ , 1200e ₂ , 1200f ₂ : bonding means

Claims (4)

A main body forming an outline and having a skeletal function but having elasticity; At least one polishing sheet provided to surround the front surface of the main body; An abrasive having a surface of a different grain structure for surface processing with different roughness to the surface of the workpiece to be polished on top of the main body; Multifunction polishing apparatus, characterized in that further comprising an adhesive means for bonding the main body and the polishing sheet. The method of claim 1, Multifunctional polishing apparatus, characterized in that the main body is any one of a cylindrical or polygonal. The method of claim 1, The elastic material is a multifunctional polishing apparatus, characterized in that the synthetic resin containing at least one or more of the urethane foam or urethane lever. The method of claim 1, The adhesive means is a multifunctional polishing apparatus, characterized in that any one of the double-sided tape or adhesive.