KR100866595B1 - Pulse ring for Anti-lock Brake System and manufacturing method thereof - Google Patents

Abstract

Disclosed is a pulse ring of an anti-lock brake system (ABS) brake system of an automobile, which is capable of obtaining a uniform pulse signal by uniformly forming protrusions on the upper surface by press working. .

Such an ABS brake system pulse ring may include: a ring body in which a plurality of signal detection protrusions protrude at equal intervals on an upper surface of the pulse ring for an ABS brake system; And a flange portion that is bent downward from the edge of the ring-shaped body to be in close contact with the hub of the wheel.

ABS brake, pulse ring,

Description

Pulse ring for anti-lock brake system and manufacturing method

Figure 1a is a perspective view showing that the iron plate is oxygen cut to form a circular ring in order to process a conventional impulse ring,

Figure 1b is a perspective view showing that the groove is formed by the side cutter of the conventional circular ring,

2 is a perspective view of a wheel hub to which the pulse ring for the present invention ABS brake system is applied;

Figure 3 is a perspective view of the pulse ring for the present invention ABS brake system,

4A is a plan view of a portion “a” of FIG. 3,

4B is a cross-sectional view of the portion “a” of FIG. 3;

5a to 5e are cross-sectional views showing various embodiments of the beads applied to the present invention,

6 is a cross-sectional view of a rib formed in the flange portion of the present invention,

7 is a cross-sectional view showing a state in which the stepped portion is formed in the present invention;

Figure 8 is a cross-sectional view showing a state in which the protrusion of the present invention is formed obliquely,

9 is a cross-sectional view of a modified embodiment in which the pulse ring of the present invention is inserted into an inner side of a hub;

10a to 10f is a cross-sectional view showing the process of the manufacturing method of the pulse ring for the ABS brake system of the present invention,

11 is a perspective view showing another embodiment of the ring-shaped body of the pulse ring for the present invention ABS brake system,

12 is a cross-sectional view of the portion “b” of FIG. 11;

Figure 13a is a cross-sectional view showing a manufacturing method of another embodiment of the pulse ring for the ABS brake system of the present invention;

13B is a cross-sectional view taken along the line A-A of FIG. 13A, and FIG. 13C is a cross-sectional view taken along the line B-B of FIG. 13A;

14 is a perspective view of another embodiment of the ring-shaped body of the pulse ring for the present invention ABS brake system,

15A is a cross-sectional view of the portion "c" in FIG. 14;

15B is a side cross-sectional view of the portion “c” of FIG. 14;

Figure 16a is a cross-sectional view showing a manufacturing method of another embodiment of the pulse ring for the ABS brake system of the present invention;

16B is a cross-sectional view taken along line C-C of FIG. 16A;

16C is a cross-sectional view taken along the line D-D in FIG. 16A.

※ Explanation of code for main part of drawing

110: ring-shaped body, 112: protrusion, 112a: reinforcing rib,

114: through-hole, 116: concave portion, 120: flange portion,

122: bead, 124: rib, 126: step,

130: reinforcing flange

The present invention relates to a pulse ring of an anti-lock brake system (ABS) brake system of an automobile in which a uniform pulse signal is obtained by uniformly forming a protrusion on an upper surface by press working. .

 The impulse ring has about 40 to 100 grooves formed on the plane, and is installed on the same axis as the automobile wheels and rotates with the rotation of the wheels. When the impulse ring rotates, the wheel speed sensor detects the height difference of the groove on the impulse ring and transmits a signal to the ABS control unit. Since the impulse ring is also rotated according to the rotation speed of the wheel, the wheel speed sensor detects the number of times the height difference of the groove of the impulse ring changes, and the ABS control unit receiving the signal detects the wheel speed to operate the ABS device.

Conventionally, an impulse ring was produced by the following manufacturing method. First, as shown in FIG. 1A, a ring having a predetermined outer diameter and inner diameter is processed by cutting an oxygen cut or a round bar with an iron plate having a predetermined thickness. Next, as shown in Figure 1b, by using a side cutter, one side of the flat surface of the ring is divided into about 40-100 equal parts as necessary to form a groove to form a groove to process the impulse ring.

However, the conventional method of manufacturing the impulse ring has a problem in several respects. First of all, the steel plate, which is the material of the impulse ring, is wasteful because the steel plate can not be used as a material for manufacturing the impulse ring any more than the part processed by the impulse ring. Machining time of iron plate material is excessive, which increases machining time during turning. Since the oxygen cutting work time for processing the shape of the impulse ring is large, the processing efficiency of the impulse ring is low. In addition, the processing time is long because the groove is divided by manual and the groove is processed one by one by side cutter. Cumulative pitch error occurs due to the 100-division process by manual dividing process, and there is a problem that the generation of pulse is uncertain because the equal dividing of the tooth groove is different according to the skill of the operator.

The present invention has been made to solve the above problems is to provide a pulse ring for the ABS brake system that provides a uniform quality by placing the protrusions on the upper surface through the press working at equal intervals.

It is also an object of the present invention to provide a pulse ring for an ABS brake system that can reduce the weight of the product by providing a reinforcing flange on the outer edge of the ring-shaped body to increase the strength of the plate surface to reduce the thickness of the plate.

In addition, by forming a protruding step on the inner edge of the inner edge of the ring-shaped body or the upper end of the flange portion, the assembly position of the hub is fixed to the stepped portion so that the assembly position is constant, ABS brake system that can reduce the failure rate according to the assembly skill The purpose is to provide a pulse ring.

In addition, the object of the present invention is to provide a pulse ring for an ABS brake system that facilitates the design convenience and space of the entry direction of the speed sensor for detecting the rotation of the protrusions by forming the protrusions of the ring-shaped body inclined.

It is also an object of the present invention to provide a pulse ring for an ABS brake system that can be applied even when there is insufficient space on the outside of the hub by forming a flange portion on the outer edge of the ring-shaped body to insert the pulse ring into the inside of the hub.

In addition, the bead protrudes outside the assembly surface of the flange to improve assembly flexibility with the hub, and after tightening the heat bath, increases the tightening restoring force, and improves the friction force with the hub when the wheel is rotated to prevent slippage. The object is to provide a pulse ring for the ABS brake system.

In addition, by forming a cylindrical rib from the plate surface of the flange portion to improve the contact instability due to the front contact when assembling the wheel hub, and the pulse ring for ABS brake system to prevent the arbitrary deviation in the axial direction after assembly The purpose is to provide.

According to the present invention, the ABS ring system pulse ring protrudes the protrusions at equal intervals on the upper surface of the ring-shaped body, and the space between the protrusions penetrates through holes to form the through-holes, thereby providing an ABS brake system pulse ring. Its purpose is to.

In addition, it is an object of the present invention to provide a pulse ring for the ABS brake system to improve the durability by increasing the plate surface strength of the ring-shaped body by arranging the projection and the recess on the upper surface of the ring-shaped body.

Meanwhile, an object of the present invention is to provide a pulse ring for an ABS brake system that forms reinforcing ribs at both ends of the lower end of the protrusion to prevent reinforcement and torsional deformation of the cross section coefficient and torsional rigidity of the protrusion.

Pulse ring for ABS brake system of the present invention is press-processed the ring-shaped plate body to form a uniformly spaced protrusion on the upper surface of the ring-shaped body to obtain a uniform pulse signal, mass production is possible by manufacturing the pulse ring through the press mold The purpose of the present invention is to provide a method of manufacturing a pulse ring for an ABS brake system, which reduces the production cost of the product.

In order to achieve the above object, the present invention provides an ABS brake system pulse ring, which includes: a ring body in which a plurality of signal detection protrusions protrude at equal intervals on an upper surface thereof; And, a flange portion bent downward from the edge of the ring-shaped body to be in close contact with the hub of the wheel; and is achieved by providing a pulse ring for an ABS brake system.

It is preferable that the ring-shaped body forms a reinforcing flange on the edge of the opposite side to the flange portion.

It is preferable to protrude the stepped portion at the upper end of the flange portion.

The protruding portion of the ring-shaped body is preferably formed to be inclined.

The flange portion is preferably extended extending bent downward from the outer edge of the ring-shaped body.

It is preferable to form beads protruding from the plate surface in the ring-shaped body or the flange portion.

It is preferable to form ribs protruding in the circumferential direction from the plate portion in the flange portion.

It is preferable that the ring-shaped body is formed by protruding both sides of the protruding portion from the plate surface.

Here, it is preferable that the portion between the protrusions of the ring-shaped body is drilled to form through holes.

In addition, the portion between the protrusions of the ring-shaped body may be formed to be bent inwardly to cross the protrusions.

The protruding portion of the ring-shaped body preferably forms reinforcing ribs on both lower sides.

The present invention provides a method for manufacturing a pulse ring for an ABS brake system, comprising: a first molding step of bending a flange part by pressing an inner edge of a ring-shaped metal plate with a circular pressing frame; And forming a protrusion on the upper surface of the ring-shaped body by pressing the ring-shaped plate body with a support frame and a pressure frame, each of which has protrusions and grooves formed at equal intervals on the circumference thereof, to manufacture a pulse ring for an ABS brake system. By providing a method.

It is preferable to further include a third molding step of bending the reinforcing flange by pressing the outer edge of the ring-shaped body with a ring-shaped pressing frame.

It is preferable to further include a fourth molding step of protruding the rib to the outside of the flange by inserting a pressure punch formed with a projection on the outer edge inside the flange.

The second forming step of the manufacturing method of the pulse ring for the ABS brake system according to the present invention pressurizes the ring-shaped body with a support frame in which the notching punches are arranged at equal intervals in the circumferential direction and a pressure frame in which the piercing punch and the groove portion are alternately arranged in the circumferential direction. Therefore, it is preferable to form projections at equal intervals by the notching punch on the plate surface of the ring-shaped body, and the space between the projections forms a through hole by the piercing punch.

The second molding step of the present invention manufacturing method of the pulse ring for the ABS brake system is notched punch and the groove portion alternately arranged in the circumferential direction by pressing the plate surface of the ring-shaped body with the support frame and the pressing frame engaged with each other and bent to cross each other. It is preferable to form the recesses at equal intervals.

It is preferable to form a reinforcing rib on both sides of the bottom surface of the protrusion by forming a longitudinal projection in the center of the upper surface of the notching punch of the support frame.

Hereinafter, a preferred embodiment of the pulse ring for the ABS brake system of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view of the wheel hub to which the pulse ring for the ABS brake system of the present invention is applied, Figure 3 is a perspective view of the pulse ring for the ABS brake system of the present invention, Figure 4a is a plan view of the portion "a" of Figure 3 4B is a cross-sectional view of the portion “a” of FIG. 3.

In the present invention, the ABS ring system pulse ring 100 shown in the drawings is a ring-shaped body 110, the signal detection protrusion 112 is pressed to protrude at equal intervals, and the inner edge of the ring-shaped body 110 A flange portion having bead 122 protruding in the axial direction to reinforce rigidity and to prevent rotation slip from the hub H by being bent downwardly and inserted into the hub H of the wheel. 120 and a reinforcing flange 130 that is bent downward from the outer edge of the ring-shaped body 110 to reinforce rigidity.

Meanwhile, the bead 122 protruding from the plate surface of the flange portion 120 to reinforce rigidity may be formed in various forms as shown in FIGS. 5A to 5E in addition to being formed through the axial direction.

First, as shown in FIG. 5A, a bead 122a having a bent shape formed to span the ring-shaped plate body 110 and the flange part 120 protrudes to the outside of the flange 120, and as shown in FIG. 5B. In addition, the lower end of the bead 122b formed in a bent form over the ring-shaped plate body 110 and the flange portion 120 is opened, and as shown in FIG. 5C, the beads 122c are convex from the plate surface of the flange portion 120. For example, as shown in FIG. 5D, the lower end of the bead 122d is opened to the lower end of the flange part 120, and the like as shown in FIG. 5D.

These various types of beads are formed to protrude on the plate surface of the flange portion 120 to improve the assembly flexibility when the flange portion 120 is assembled to the hub, and to increase the tightening restoring force after heat bath assembly assembled in a heated state, At the time of rotation of the wheel, the sliding force in the circumferential direction is prevented by improving the frictional force due to the discontinuous contact with the hub, and the assembling stress by the assembly fastening (20 ~ 50㎛) toward the center of the hub to be assembled. Absorbs the particles, reducing the roundness deformation of hub bearings and oil seals, improving rotational durability of bearings and oil seals, reducing noise, improving sealing uniformity, and extending life. Bring it.

In addition, in order to reinforce the rigidity of the ring-shaped plate body 110 as shown in FIG. 5e, the bead 122e protrudes in a convex shape on the plate surface of the ring-shaped plate body 110, or the ring-shaped body from the flange portion 120 as shown in FIG. As the bead 122a extends up to 110, the plate surface of the flange portion 120 and the ring-shaped body 110 as the bead 122 extends onto the ring-shaped plate body 110 or is formed independently. Since the rigidity is increased, the thickness of the material can be reduced to reduce the weight.

6 is a cross-sectional view of a rib formed in the flange portion of the present invention, unlike the bead 122, the rib 124 protrudes circumferentially from the plate surface of the flange portion 120, the wheel hub (H) ) And to improve the contact instability due to the front contact when assembling, and to prevent the random deviation in the axial direction after assembly. Such ribs 124 may be formed on the flange portion 120 together with the beads 122 or may be used independently in a state in which the beads 122 are omitted.

7 is a cross-sectional view of the stepped portion formed in the present invention, the inner edge of the ring-shaped body 110 or the upper end of the flange portion 120 is provided with a stepped portion 126 protruding in the form of a bulging (bulging). By inserting the end of the hub (H) is caught by the stepped portion 126 to equalize the assembly position to be inserted into the hub (H) can minimize the failure rate according to the skill of the operator in the assembly process.

In addition, as shown in Figure 8 by the inclined to form a ring-shaped body 110, the protrusion 112 is formed at equal intervals of the design convenience and space of the entry direction of the speed sensor (S) for detecting the rotation of the protrusions 112 It can be easily secured.

On the other hand, Figure 9 is a cross-sectional view of a modified embodiment in which the pulse ring of the present invention is inserted into the hub, the flange portion 120 below the outer edge of the ring-shaped body 110, the protrusion 112 is formed at equal intervals. ) Is bent to be inserted into the inner side of the hub (H), and the reinforcing flange 130 is bent below the inner edge of the ring-shaped body 110 to increase the rigidity of the ring-shaped body (110).

As described above, when the pulse ring of the present invention is inserted into the inner side of the hub H, the pulse ring of the present invention may be applied even when the outer side of the hub is short of space.

10A to 10E of the accompanying drawings are cross-sectional views showing the process of the manufacturing method of the pulse ring for the ABS brake system of the present invention.

The manufacturing method for processing the pulse ring of the present invention as described above is larger than the central through portion in the state in which the outer edge of the ring-shaped plate body 10 of the metal penetrated in the center as shown in Figure 10a up and down as shown in Figure 10b The flange portion 120 is bent from the inner edge of the ring-shaped body 110 and the ring-shaped body 110 through the first molding step of pressing the central portion of the ring-shaped plate body with a circular pressing frame (P1) of diameter.

Then, as shown in FIG. 10C, the second molding presses the ring-shaped body 110 with the support frame P2 having the projections P2a formed on the upper surface and the pressing frame P3 having the grooves P3a formed on the bottom surface. The third step of forming a projection 112 of equal intervals on the upper surface of the ring-shaped body 110 through the step, and pressing the outer edge of the ring-shaped body 110 with a pressing frame (P4) from the second molding step as shown in Figure 10d The reinforcing flange 130 is bent downward from the outer edge of the ring-shaped body 110 through the molding step.

Then, as shown in Figs. 10e and 10f, the projections P6a axially on the outer edge in the state where the flange portion 120 is inserted into the upper end of the support frame P5 in which the grooves P5a are formed on the inner edge in the axial direction. Through the fourth molding step of pressing the flange portion 120 with the pressure punch (P6) formed to form the beads 122 to the outside of the flange portion 120.

On the other hand, although not shown in the embodiment of the above-described manufacturing method to form a bead 122 of various forms on the flange portion 120, the ring-shaped body 110 and the flange portion 120 after separately molding and forming the flange portion It will be possible to weld 120 to the bottom of the inner edge of the ring-shaped body 110.

Figure 11 is a perspective view showing another embodiment of the ring-shaped body of the pulse ring for the ABS brake system of the present invention, Figure 12 is a cross-sectional view of the "b" portion of FIG.

According to the second embodiment of the ring-shaped body 110 of the pulse ring for the ABS brake system of the present invention shown in the drawings, the signal detecting protrusion 112 is pressed to protrude at equal intervals and on the same track as the protrusion 112. The space between the protrusions 112 is drilled to form a through hole 114.

As described above, the through hole 114 is provided in the space between the protrusions 112 to reduce the weight of the component. Further, reinforcing ribs 112a are formed at both ends of the protrusions 112 so as to prevent reinforcement and torsional deformation of the cross-section coefficient and torsional rigidity of the protrusions 112.

13A is a cross-sectional view showing a manufacturing method of another embodiment of a pulse ring for an ABS brake system of the present invention. FIG. 13B is a cross-sectional view taken along line A-A of FIG. 13A, and FIG. 13C is a cross-sectional view taken along line B-B of FIG. 13A.

The manufacturing method of another embodiment of the ring-shaped body 110 as described above is a notch punch (P7) and the notching punch (P7) formed at equal intervals in the circumferential direction by forming a projection (P7a) on the upper surface as shown in Figure 13a When pressing the pressing frame (P8) in the state in which the ring-shaped body 110 is disposed between the pressing frame (P8) in which the piercing punch (P8a) and the groove (P8b) is equally spaced in the circumferential direction, The plate surface of the plate is cut by the notching punch (P7) is inserted into the groove portion (P8b) of the pressing frame (P8), as shown in Figure 13b, the protrusion 112 is formed on the upper surface of the ring-shaped body 110, Figure 13c and As such, the space between the protrusions 112 is drilled by the piercing punch P8a of the pressing mold P8 to form the through hole 114.

In addition, the projections P7a formed on the upper surface of the notching punch P7 are provided on both sides of the lower portions of the protrusion 112 which are cut from the plate surface by the notching punch P7 and are inserted into the grooves P8b of the pressing mold P8. The reinforcing rib 112a is formed by this.

Figure 14 is a perspective view of another embodiment of the ring-shaped body of the pulse ring for the ABS brake system of the present invention, Figure 15a is a cross-sectional view of the portion "c" of Figure 14, Figure 15b is a portion of the "c" portion of Figure 14 Side cross section view.

Another embodiment of the ring-shaped body of the pulse ring for the ABS brake system of the present invention shown in the drawings is a projection of the signal detection protrusion 112 is protruded at equal intervals and the same circumferential protrusion as the protrusion 112 The space between the 112 is bent inward by the press working to form a recess 116.

As described above, the protrusion 112 and the concave portion 116 are alternately disposed on the plate surface of the ring-shaped body 110, thereby increasing strength and improving durability.

On the other hand, the protrusion 112 is to prevent the reinforcement and torsional deformation of the cross-sectional coefficient and torsional rigidity of the protrusion 112 is formed by forming the reinforcing ribs (112a) at the lower end of both ends as described above.

Figure 16a is a cross-sectional view showing a manufacturing method of another embodiment of the pulse ring for the ABS brake system of the present invention, Figure 16b is a C-C cross-sectional view of Figure 16a, Figure 16c is a D-D cross-sectional view of Figure 16a.

According to another embodiment of the method for manufacturing the ring-shaped body 110 as described above, as shown in FIG. 16A, the notching punches P8a and P9a and the grooves P8b and P9b are alternately formed in the circumferential direction on the machining surface to fit each other. Pressing the pressing frame (P8) in the state in which the ring-shaped body 110 is disposed between the support frame (P9) and the pressing frame (P8) to be cut and bent while cutting the plate surface of the ring-shaped body (110) and the protrusion 112 The recesses 116 are formed alternately with each other.

That is, as shown in FIG. 16B, the ring-shaped body 110 disposed between the notching punch P9a of the support frame P9 and the groove portion P8b of the pressing frame P8 is connected to the notching punch P9a of the support frame P9. Protrudes from the upper surface to form a protrusion 112, the ring-shaped body 110 is disposed between the groove portion (P9b) of the support frame (P9) and the notching punch (P8a) of the pressing frame (P8), as shown in Figure 16c The depressions 116 are formed while being pressed from the plate surface by the notching punch P8a of the mold P8.

On the other hand, in the process of forming the protrusion 112 from the plate surface of the ring-shaped body 110, the reinforcement ribs on both sides of the lower portion of the protrusion 112 by the projection (P9b) formed on the upper surface of the notching punch (P9a) of the support frame (P9). 112a is formed.

The pulse ring for the ABS brake system of the present invention as described above has the effect of providing a uniform pulse signal by having the protrusions arranged on the upper surface at equal intervals.

In addition, by providing a reinforcing flange on the outer edge of the ring-shaped body to increase the strength of the plate surface to reduce the thickness of the plate material there is an effect that can reduce the weight of the product.

In addition, by forming a stepped portion protruding the inner edge of the inner edge of the ring-shaped body or the upper end of the flange portion, the assembly position of the hub is caught by the stepped portion, the assembly position is constant, there is an effect that can reduce the defective rate according to the assembly skill.

In addition, by forming the protrusions of the ring-shaped body inclined, there is an effect of facilitating the design convenience and space for the entry direction of the speed sensor for detecting the rotation of the protrusions.

In addition, by forming the flange portion on the outer edge of the ring-shaped body to insert the pulse ring into the inner side of the hub, there is an effect that can be applied even when there is insufficient space on the outer side of the hub.

In addition, the bead protrudes outside the assembly surface of the flange to improve assembly flexibility with the hub, and after tightening the heat bath, increases the tightening restoring force, and improves the friction force with the hub when the wheel is rotated to prevent slippage. It is effective in improving the durability life by preventing the assembly deformation of the hub bearing and the oil seal by absorbing the tightening stress by the bead.

In addition, by forming a cylindrical rib from the plate surface of the flange portion to improve the contact instability due to the front contact when assembling with the wheel hub, there is an effect of preventing any deviation in the axial direction after assembly.

The pulse ring for the ABS brake system of the present invention has an effect of protruding the protrusions at equal intervals on the upper surface of the ring-shaped body, and forming a through hole through the space between the protrusions to reduce the weight of the part.

In addition, the protrusion 112 and the concave portion 116 are alternately arranged on the plate surface of the ring-shaped body 110, thereby increasing the plate surface strength of the ring-shaped body and improving durability.

On the other hand, by forming the reinforcing ribs on both sides of the lower end of the protrusion has the effect of preventing the reinforcement and distortion of the cross-sectional coefficient and torsional rigidity of the protrusion.

According to the present invention, a method of manufacturing a pulse ring for an ABS brake system is performed by press-processing a ring-shaped plate to form a uniformly spaced protrusion on an upper surface of the ring-shaped body to obtain a uniform pulse signal, and by manufacturing a pulse ring through a press die. In addition to being able to produce, there is an effect of reducing the production cost of the product.

Claims (17)

delete delete In the pulse ring for the ABS brake system comprising a ring-shaped main body and a flange portion bent downward from the rim of the ring-shaped body to be in close contact with the hub of the wheel and the signal detection protrusion is formed in a plurality of protrusions at equal intervals on the upper surface, Pulse ring for the ABS brake system, characterized in that to form a protruding step on the upper end of the flange. delete In the pulse ring for the ABS brake system comprising a ring-shaped main body and a flange portion bent downward from the rim of the ring-shaped body to be in close contact with the hub of the wheel and the signal detection protrusion is formed in a plurality of protrusions at equal intervals on the upper surface, The flange portion is a pulse ring for the ABS brake system, characterized in that extending bent downward from the outer edge of the ring-shaped body. In the pulse ring for the ABS brake system comprising a ring-shaped main body and a flange portion bent downward from the rim of the ring-shaped body to be in close contact with the hub of the wheel and the signal detection protrusion is formed in a plurality of protrusions at equal intervals on the upper surface, Pulse ring for the ABS brake system, characterized in that for forming a bead protruding from the plate surface in the ring-shaped body or flange. In the pulse ring for the ABS brake system comprising a ring-shaped main body and a flange portion bent downward from the rim of the ring-shaped body to be in close contact with the hub of the wheel and the signal detection protrusion is formed in a plurality of protrusions at equal intervals on the upper surface, Pulse ring for the ABS brake system, characterized in that for forming a rib formed in the flange portion protruding in the circumferential direction from the plate surface. In the pulse ring for the ABS brake system comprising a ring-shaped main body and a flange portion bent downward from the rim of the ring-shaped body to be in close contact with the hub of the wheel and the signal detection protrusion is formed in a plurality of protrusions at equal intervals on the upper surface, The ring-shaped body is an ABS brake system pulse ring, characterized in that both sides of the protrusion is formed by cutting from the plate surface. The method of claim 8, Between the protrusions of the ring-shaped body between the pulse ring for the ABS brake system, characterized in that to form a through hole. The method of claim 8, The portion between the protrusions of the ring-shaped body is bent inward to be formed so as to cross each other with the protrusions pulse ring for the ABS brake system. The method of claim 8, Projecting portion of the ring-shaped body pulse ring for the ABS brake system, characterized in that to form a reinforcing rib on the lower side. In the manufacturing method of the pulse ring for the ABS brake system, Pressing the inner edge of the ring-shaped plate body with a circular pressing frame to form a ring-shaped body and a flange portion bent from the inner edge of the ring-shaped body; And, A second molding step of forming a protrusion on the upper surface of the ring-shaped body by pressing the ring-shaped body with a support frame and a pressing frame formed with equally spaced projections and grooves on the circumference, respectively; and a method of manufacturing a pulse ring for an ABS brake system including . The method of claim 12, And a third molding step of bending the reinforcing flange by pressing the outer edge of the ring-shaped body with a ring-shaped pressing frame. The method of claim 13, And a fourth molding step of protruding the rib to the outside of the flange by inserting a pressure punch having protrusions formed on the outer edge of the flange. The method of claim 12, The second forming step is to press the ring-shaped body with a support frame in which the notching punches are arranged at equal intervals in the circumferential direction and a pressure frame in which the piercing punch and the groove portion are alternately arranged in the circumferential direction so as to be equally spaced by the notching punch on the plate surface of the ring-shaped body. Forming a projection of the, wherein the space between the projections of the method of manufacturing a pulse ring for the ABS brake system, characterized in that to form a through hole by a piercing punch. The method of claim 12, In the second molding step, the notching punch and the groove are alternately arranged in the circumferential direction to press the plate surfaces of the ring-shaped body with the support frame and the pressure frame engaged with each other to form protrusions and recesses that are alternately bent at equal intervals. Method for manufacturing pulse ring for ABS brake system. The method according to any one of claims 15 or 16, Forming a protrusion in the center of the upper surface of the notching punch of the support frame to form a reinforcing rib on both sides of the bottom surface of the protruding portion of the ABS brake system pulse manufacturing method.

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