KR101548429B1 - Hollow roller integrated with composite laminate for wire saw machine - Google Patents

Abstract

The present invention is characterized in that a pair of composite layer integral hollow rollers having the same structure as the driven composite layer integral hollow rollers are separated from each other by a certain distance and the outer diameter portion of the composite layer integral hollow rollers is wound with a plurality of stranded cutting wires, When the motors connected to the driving multiple layered hollow rollers are operated, the cutting wire is rotated. In this process, the material to be cut in the vertical direction of the cutting wire is rotated downward To a multilayer integrated hollow roller for a wire she machine which is required to produce a cut thin plate such as a silicon wafer by a sliding frictional cutting force formed between a wire and a workpiece to be cut.
A urethane tube which is wrapped by a cutting wire while moving from an outermost to a central portion of the composite layer integral hollow roller; a carbon fiber reinforced plastic tube formed by lamination on the inner diameter portion of the urethane tube; In order to connect the outer tube, the intermediate tube and the inner tube to one body, the hollow rollers extruded into a single body having a rectangular hollow channel shape by radially forming the wye-shaped tapered bar and the hollow column are formed by a molding technique and a double- The hollow shaft of the composite layer with the structure joined by the mechanism and the bonding agent improves the cutting effect and the durability life due to the increase of the compressive strength, the fatigue strength and the rotation torque, and the load of the motor rotary shaft bearing is reduced, , And the integrated hollow rollers for wire small machines with durability safety Will.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hollow-

The present invention relates to a multilayer integrated hollow roller for a wire she machine, and more particularly, to a method of manufacturing a multilayer integrated hollow roller for a wire she machine, When the motor connected to the driving multiple layered hollow roller is operated in a state that the outer diameter portion of the integral hollow roller is wound by a plurality of strands of cutting wires and a constant tension is maintained, the cutting wire is rotated. In this process, A single-piece hollow roller for a wire cowling required for producing a cut thin sheet such as a silicon wafer by sliding frictional cutting force formed between a rotating cutting wire and a to-be-cut material, .

A urethane tube which is wrapped by a cutting wire while moving from an outermost to a central portion of the composite layer integral hollow roller; a carbon fiber reinforced plastic tube formed by lamination on the inner diameter portion of the urethane tube; In order to connect the outer tube, the intermediate tube and the inner tube to one body, the hollow rollers extruded into a single body having a rectangular hollow channel shape by radially forming the wye-shaped tapered bar and the hollow column are formed by a molding technique and a double- The hollow shaft of the composite layer with the structure joined by the mechanism and the bonding agent improves the cutting effect and the durability life due to the increase of the compressive strength, the fatigue strength and the rotation torque, and the load of the motor rotary shaft bearing is reduced, , And the integrated hollow rollers for wire small machines with durability and safety Will.

The conventional hollow rollers for wire small machines have a urethane tube wrapped by a cutting wire while moving from an outermost to a central portion, a hollow steel roller formed by fastening a coupler and a flange to a side portion of a steel tube with a bolt, With a bonding agent. In order to mount a hollow roller on a wire small machine, a pair of driven steel rollers and driven steel rollers are assembled by being separated from each other by a certain distance, and a bending strength sufficient to support a tension force formed when the cutting wire is wound around the outer diameter portion of these steel rollers It is desirable to form a hollow roller having a small thickness in order to reduce weight. If the thickness of the steel roller is increased to secure the bending strength of the hollow steel material roller, the bearing for the rotating shaft increases the possibility of wear and tear due to the increased weight load and affects not only the productivity but also the quality of the cut surface of the product, Excessive use of electric power due to an increase in the starting torque is a factor of cost increase. However, if the thickness of the steel roller is reduced, there is an advantage of reducing load on the bearing due to weight reduction and electric energy saving. However, since the quality of the cut product is deteriorated due to the decrease in bending strength, Although the carbon fiber composite material is used by being wound around the neck portion by lamination, the problem of separation by the crack at the bonding interface and the increase of the cost increase have not been adopted except for the case of using the long hollow roller for the long shaft.

In the conventional hollow roller side portion made of a steel material, a thick flange and a coupler are fastened with a bolt, a coupler is connected to a rotary shaft and receives a rotary force supplied from a motor to rotate the hollow roller, It is difficult to maintain the assembly tolerance and it is costly to replace about 3 ~ 5 times every year for maintenance.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems occurring in the prior art, and it is an object of the present invention to provide a hollow steel roller having a flange and a coupler bolted to a side surface of the hollow steel roller, The increase of the load of the bearing connected to the motor rotation shaft and the increase of the starting torque of the motor increase the power consumption and decrease the productivity due to the large number of assembly parts and the decrease of the cutting precision is caused by frequent replacement of the hollow steel rollers There is a problem of increased maintenance cost and rising cost.

Further, the bonding strength between the hollow steel roller and the urethane tube is drastically weakened when the use time is long under high load, and the bonding interface is separated, so that the hollow roller needs to be repaired frequently.

In order to accomplish the object of the present invention, a pair of wye-shaped tilting bars spaced apart at constant intervals toward the central axis along the axial direction of the outer peripheral surface of the incisional outer tube are formed, And a diamond-shaped closed groove is formed integrally so as to be connected to the vertically downward central axis. The diamond-shaped closed groove is formed with an intermediate tube And the inner tubes are integrally formed at the end portions facing the vertical downward direction and the angular hollow channels toward the left and right sides of the column, respectively, so that the compressive strength of the hollow steel rollers And a lightweight structure that increases the rotation moment and prevents buckling due to the installation of a hollow column. A complex layer integral hollow roller for small machines.

The carbon fiber-reinforced plastic tube is provided with an inner circumferential surface formed with a plurality of wedge-shaped protruding bars at regular intervals in the vertical direction toward the center axis and having diamond-shaped tips at equal intervals, The tube has the effect of increasing the overall compressive strength and rotation torque of the composite layered integral hollow roller and reducing the weight.

A plurality of outer double-type grooves are formed at equal intervals along the axial direction on the outer circumferential surface of the carbon fiber-reinforced plastic tube. On the outer circumferential surface of the outer double-type groove are formed equidistantly toward the central axis along the axial direction of the inner circumferential surface of the urethane tube Since a plurality of double-type protruding bars are sandwiched so as to form a laminate with a bonding agent, the phenomenon of being separated by the rotational compressive force is mechanically prevented, and by a hollow column formed long along the inner circumferential surface of the carbon fiber- Which is capable of effectively dispersing and supporting the compressive strength and is excellent in fatigue strength, vibration damping and light weight effect in accordance with repetitive rotary motion of the composite layer integral hollow rollers.

The present invention relates to a hollow fiber reinforced plastic material for wire sheathing, comprising a urethane tube wrapped by a cutting wire at an outermost diameter portion constituting a composite layer integral hollow roller for a wire saw machine, a carbon fiber reinforced plastic tube formed by lamination at an inner diameter portion of the urethane tube, In the inner diameter part of the tube, the composite layer integral hollow rollers having a structure in which the wye-shaped inclined bar and the hollow column are radially extended and extruded to connect the incision outer tube, the middle tube and the inner tube into one body, As the torque is increased, the cutting effect is improved, the durability life is prolonged, there is no part to be assembled, there is no tolerance of the finished product, no assembly cost is required, and the cost saving effect is high.

The multi-layer single-piece hollow roller made by extrusion molding has a sufficient bending strength safety due to the tension transmitted from the outermost part, thereby suppressing the occurrence of deflection of the integral hollow roller structure and reducing the precision of the slice cutting product. By reducing the load acting on the rotary shaft bearing in accordance with the weight reduction of the hollow roller structure, it improves the precision of the bearing and improves the durability of the maintenance, and reduces the starting torque of the motor to reduce power consumption.

In addition, the wye type inclined bar and the hollow column can be expected to have an effect of preventing the buckling phenomenon by increasing the bending strength and the stability of the rotation torque by well dispersing the load transmitted from the outside to the whole one-piece hollow roller.

Further, a double-type protruding bar and a double-type groove formed at regular intervals along the upper and lower circumferential surfaces of the carbon fiber-reinforced plastic tube are sandwiched between the hollow roller extruded from the steel material and the urethane tube formed from the urethane material, It is structurally prevented from separating into rotary compression force because it is pasted with zero, and when using carbon fiber reinforced plastic tube, compression strength, fatigue strength, vibration damping and weight reduction effect can be expected.

1 is a perspective view of a hollow steel roller for a conventional wire small machine.
2 is a perspective view showing a first embodiment of the present invention.
3 is a perspective view showing a second embodiment of the present invention.
4 is a perspective view showing a third embodiment of the present invention.
5 is a perspective view showing a fourth embodiment of the present invention.
6 is a perspective view showing a fifth embodiment of the present invention.
7 is a perspective view showing a sixth embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Fig. 1, the conventional hollow steel roller system for wire small machines arranges the drive steel roller 10 and the driven steel roller 11 at a certain distance on both sides. Couplers 12 and 12 'and flanges 13 and 13' are fastened and fixed to both side surfaces of the driving steel roller 10 and the driven steel roller 11 by bolts along the axial direction, The hollow tube 15 is assembled by inserting the inner diameter portion of the hollow tube 15 into the circular protruding protrusions 14 and 14 'formed on the inner side of the urethane tube 16, A hollow steel roller system for a cylindrical wire she machine is constructed by integrally fixing the neck portion with a bonding agent.

When the driving steel roller 10 is rotated in a state in which the cutting wire 17 is wound around the urethane tube 16 at regular intervals along the axial direction of the outer peripheral surface of the urethane tube 16 and the tension is maintained, It is possible to simultaneously produce a large number of slice plates at the same time by performing sliding friction cutting of the rotating cutting wire 17 wound as a result of the vertically downward movement of the cut material 18 such as the silicon ingot, A plurality of cutting oil supply pipes 19 and 19 'are installed to reduce generation of frictional heat and slippage due to sliding friction and abrasion generated in the machining process, and the driving steel roller 10, the cutting wires 17, The cutting material 18 is supplied to the cutting material 18 at a high pressure between the driven steel roller 11 and the cutting wire 17 and between the cutting wire 17 and the material to be cut 18, The wire for small machines relates to a hollow steel rollers.

FIG. 2 is a perspective view of a multilayer integrated hollow roller for wire sheathing according to a first embodiment of the present invention. As shown in FIG. 2, the outer periphery of an incisional outer tube 20 constituting a composite layer- A pair of wye-shaped tilting bars 21 and 21 'which are spaced apart at regular intervals from each other along the axial direction toward the central axis and are connected to the vertical downward central axis of the wedge tilting bars 21 and 21' A hollow column 22 is formed in the intermediate portion and diamond-shaped closed grooves 24 are formed integrally with the square hollow channels 23 toward the right and left sides of the hollow column 22, And a column 26 is integrally connected to the intermediate tube 25 in the circumferential direction of the diamond-like closure groove 24 toward the central axis in the vertical direction. Towards the left and right A plurality of double-type keyways 28 are formed along the inner circumferential surface of the inner tube 27, and a plurality of double-type keyways 28 are formed along the inner circumferential surface of the inner tube 27, Are assembled to a plurality of double type keys 30 formed at equal intervals on the outer circumferential surface of the motor rotating shaft 29 to have excellent compressive strength and rotational moment. By installing the hollow column 22, Layered hollow rollers for wire sheathing of a lightweight structure that prevents the development of a wire-like machine.

A plurality of wobbly protruding bars 32 having a diamond shape at the lower end thereof are disposed on the inner circumferential surface of the carbon fiber-reinforced plastic tube 31 joined to the outer circumferential surface of the incision type outer tube 20, , And the space connected to the wedge inclined bars 21 and 21 ', the hollow column 22, and the diamond-shaped closed grooves 24 is filled with the carbon fiber-reinforced plastic material so as to form a laminate, The compressive strength and the rotation moment of the integral hollow roller are greatly increased and the weight is reduced,

A plurality of outer double-type grooves 33 are formed at equal intervals along the axial direction on the outer circumferential surface of the carbon fiber-reinforced plastic tube 31. An outer circumferential surface of the outer double- Type protruding bars 34 formed at regular intervals toward the center axis along the axial direction so that the lamination is formed, the phenomenon of being separated by the rotational compression force is mechanically prevented, and carbon fiber-reinforced plastic The compressive strength can be effectively dispersed and supported by the column formed long toward the central axis along the inner circumferential surface of the tube 31 and the fatigue strength, vibration damping and light weight effect due to repetitive rotary motion of the composite layer- And a plurality of integrated hollow rollers for wire sheathing.

Hereinafter, FIGS. 3 to 7 illustrate various embodiments according to the modification of the multi-layer integrated hollow roller structure, and their operations and effects are the same as those of the first embodiment of the present invention, .

3 is a perspective view showing a second embodiment of the present invention. The difference from the first embodiment is that a hollow column 26 is applied instead of the hollow column 22 to reduce the amount of expensive carbon fiber- Shaped wedge bars 21 and 21 'which are spaced apart at regular intervals toward the central axis along the axial direction of the outer peripheral surface of the cut-out outer tube 20 constituting the composite layer-integrated hollow roller 100 A column 26 is formed at an intermediate portion connected to the vertical downward central axis of the wedge type inclined bars 21 and 21 'and a rectangular channel 23 is formed toward the right and left of the column 26, And a diamond-shaped closure groove (24) is integrally formed so as to be connected to the vertical downward central axis. The center of the diamond-shaped closure groove (24) The column 26 ' To be directed toward the end portion "is a hollow rectangular channel (23, toward the left and right sides of) the vertical downward direction is formed, and wherein the column (26), each connected to and is formed integrally with the respective inner tube (27) in the circumferential direction,

A plurality of triangular protruding bars 35 having a triangular shape are formed at regular intervals at the end portion of the inner circumferential surface of the carbon fiber-reinforced plastic tube 31, which faces the central axis in the vertical downward direction, The present invention relates to a multilayer hollow fiber roller for a wire she machine having a structure in which a carbon fiber reinforced plastic material is filled in a space formed by a plurality of through-holes.

4 is a perspective view showing a third embodiment of the present invention. The difference from the first embodiment is that an outer tube 36 whose outer circumferential surfaces are connected to each other instead of the incisional outer tube 20, The hollow column roller 26 and the triangular key 40 are used in place of the double column type key 30 to increase the hoop strength and reduce the amount of expensive carbon fiber reinforced plastic material used. A plurality of triangular grooves 37 are formed at equal intervals along the axial direction of the outer circumference of the outer tube 36 and the outer circumferential surface of the triangular groove 37 is provided with an axis A plurality of triangular protruding bars 35 formed at equally spaced intervals along the direction of the center of the outer tube 36 are joined to each other with a bonding agent and a plurality of triangular protruding bars 35 are formed on the inner circumferential surface of the outer tube 36, The wedge type inclined bars 21 and 21 ' And a column 26 is formed at an intermediate portion connected to the vertical downward central axis of the wedge type inclined bars 21 and 21 ' And a diamond-shaped closing groove (24) is formed integrally with the square-shaped hollow channel (23) toward the right and left sides of the diamond-shaped closed groove (24) And the column 26 'is integrally connected to the intermediate tube 25 in the direction perpendicular to the central axis. The rectangular channels 23' and the vertical channels 23 ' And a plurality of triangular keyways 39 are extruded at equal intervals along the inner circumferential surface of the inner tube 27 to form a motor rotation axis 29, Assembled into a plurality of triangular keys (40)

A plurality of triangular protrusions 37 'are formed on the outer circumferential surface of the carbon fiber-reinforced plastic tube 31 at equal intervals along the axial direction of the inner circumferential surface of the urethane tube 16, Integrally formed hollow rollers for wire sheathing having a structure in which a bar 35 'is inserted and joined with a bonding agent.

5 is a perspective view showing a fourth embodiment of the present invention. The difference from the first embodiment is that instead of the diamond-like closure groove 24, the outer circumferential surface of the wye-shaped closure groove 41, Sectional hollow tube 42. The hollow tube 100 has an incision-type outer tube 20 and an incision-type intermediate tube 42. The incision-type outer tube 20 constitutes the composite layer-integrated hollow roller 100, And a hollow column 22 is formed at an intermediate portion connected to the vertical downward central axis of the wedge inclined bars 21 and 21 ' Shaped wedge-shaped closing grooves 41 that are wedge-shaped toward the vertical downward central axis are formed integrally with the square hollow channels 23 toward the right and left sides of the column 22, and the wye-shaped closing grooves 41 Of the cut-off intermediate tube 42 connected to the end of the cut- The other wig-shaped tilting bars 21 and 21 'are connected to each other at regular intervals, and the wig-shaped tilting bars 21 and 21' are moved vertically downward And an inner tube 27 is formed at an end portion vertically downwardly of the rectangular channel 23 'toward the left and right of the column 26', respectively. The column 26 ' A plurality of triangular key grooves 39 are extruded at equal intervals along the inner circumferential surface of the inner tube 27 to form a plurality of triangles formed equidistantly on the outer circumferential surface of the motor rotary shaft 29, Assembled with the key 40,

A plurality of wedge-shaped protruding bars 32 are formed at equal intervals in the inner circumferential surface of the carbon fiber-reinforced plastic tube 31, the wedge-shaped tapered bars 21 and 21 ' ), A hollow column (22), and a wedge-shaped closed groove (41), in which a carbon fiber-reinforced plastic material is filled to form a laminate.

6 is a perspective view showing a fifth embodiment of the present invention. The difference from the first embodiment is that instead of the hollow column 22, the hollow column 26, the diamond-shaped closed groove 24, A structure in which bars 43 and 43 'are integrally connected to the column 26 and a cut-type intermediate tube 42 in which the outer peripheral surface is cut off at a predetermined interval is used instead of the intermediate tube 25 to reduce the cost and weight Shaped wedge bars 21 and 21 'which are spaced apart at regular intervals toward the central axis along the axial direction of the outer peripheral surface of the cut-out outer tube 20 constituting the composite layer-integrated hollow roller 100, A column 26 is formed at an intermediate portion connected to the vertical downward central axis of the wedge tilting bars 21 and 21 'and a column 26 is formed in a direction perpendicular to the rectangular channel 23 toward the left and right of the column 26 The inclined bars 43, 43 ', which are separated in a wye-shape toward the central axis, Shaped slanting bars 43 and 43 'and is slightly moved along the circumferential direction at predetermined angles to the right and left sides of the incision-type intermediate tube 42 connected to the ends of the conduction-type inclined bars 43 and 43' Shaped slope bars 21 and 21 'are formed at equal intervals and a column 26' is integrally connected to the vertical downward central axis of the wedge slope bars 21 and 21 ' An inner tube 27 is integrally formed at an end portion of the column 26 'that faces downward and perpendicular to the square hollow channel 23' toward the right and left sides. The inner circumferential surface of the inner tube 27 Accordingly, a plurality of triangular key grooves 39 are extruded at regular intervals to form a plurality of triangular keys 40 formed at equal intervals on the outer peripheral surface of the motor rotary shaft 29, .

7 is a perspective view showing a sixth embodiment of the present invention. The difference from the first embodiment is that an outer tube 36 whose circumferential surfaces are connected to each other in place of the incisional outer tube 20, an inner tube 36 instead of the hollow column 22 Type inclined bars 43 and 43 'instead of the hollow column 26 and the diamond-shaped closed groove 24 in order to increase the Hoop strength and to reduce the cost and weight, A plurality of double type grooves 33 are formed at regular intervals along the axial direction of the outer circumferential surface of the outer tube 36 constituting the double type groove 33. The outer circumferential surface of the double type groove 33 is formed with a carbon fiber- Type protruding bars 34 formed at equal intervals along the axial direction on the inner circumferential surface of the outer tube 36. The inner circumferential surface of the outer tube 36 is provided with a conductive triangular groove 38 A plurality of wye-shaped inclines 21 'are formed at equal intervals along the axial direction to form an integral type. A column 26 is formed at an intermediate portion connected to the vertical downward central axis of the wedge inclined bars 21, 21' Shaped hollow channels 23 toward the left and right sides of the column 26 and a wedge-shaped conductive wedge-shaped cutout groove 43 and 43 'toward the vertical downward central axis are integrally connected to each other 21 ', 21', 21 ', 21', 21 ', 21', 21 ', 21', 21 ', 21', 21 'and 21' And the column 26 'is integrally connected to the vertical downward central axis of the wedge inclined bars 21 and 21', and the left and right sides of the column 26 ' Shaped hollow channel 23 'and a vertically downwardly directed end portion thereof, (27, 27 ') are integrally formed, and axially middle portions of the rectangular hollow channels (23, 23') and the conducting triangular grooves (38) are covered with disc plate members (44, 44 ' Layered hollow rollers for a wire sheathing machine having a structure in which a plurality of single-layer hollow rollers are stacked.

In the present invention, the number of the outer tubes, the number of the middle tubes, the incision in the outer circumferential direction, the arrangement shape and number of the wavy slope bars, and the shape of the hollow column, And can be variously changed.

The present invention described above is not limited to the structure and operation as shown and described. In other words, the present invention is susceptible to various changes and modifications within the spirit and scope of the appended claims.

10: driven steel roller 11: driven steel roller
12,12 ': Coupler 13,13': Flange
14,14 ': circular protruding jaw 15: hollow tube
16: urethane tube 17: cutting wire
18: Cutting material 19, 19 ': Cutting oil supply pipe
20: incision type outer tube 21, 21 ': wedge type inclined bar
22: hollow column 23, 23 ': square hollow channel
24: diamond-shaped closed groove 25: intermediate tube
26,26 ': Column 27: Inner tube
28: double type key groove 29: motor rotating shaft
30: Double type key 31: Carbon fiber reinforced plastic tube
32: wedge protrusion bar 33, 33 ': double type groove
34,34 ': Double type extruded bar 35,35': Triangular extruded bar
36: outer tube 37, 37 ': triangular groove
38: Conduction triangle groove 39: Triangle keyway
40: triangular key 41: wai-type closed groove
42: incision type intermediate tube 43, 43 ': inclined bar
44, 44 ': disc plate material 100: composite layer integral hollow roller

Claims (7)

Shaped slanting bars 21 and 21 'formed to be spaced equidistantly toward the central axis along the axial direction of the outer peripheral surface of the incisional outer tube 20, (22)
Shaped hollow channels 23 toward the left and right sides of the hollow column 22 and diamond-shaped closing grooves 24 toward the vertical lower center axis are formed integrally and connected to each other, The intermediate tube 25 is formed integrally with the column 26 toward the circumferential direction, and the column 26 is formed integrally with the column 25 toward the central axis,
An inner tube 27 is integrally formed at each end of the column 26 facing the vertically downward direction with respect to the rectangular hollow channel 23 'toward the left and right of the column 26, Layer double-sided hollow rollers for lightweight structured wire small machines wherein two double-type keyways (28) are extruded at regular intervals. The method according to claim 1,
A plurality of wobbly protruding bars 32 having a diamond shape at the lower end of the carbon fiber-reinforced plastic tube 31, which faces the central axis in the vertical downward direction, are formed on the inner circumferential surface of the carbon fiber-reinforced plastic tube 31 joined to the outer circumferential surface of the incision- , And a space connected to the wedge inclined bars (21, 21 '), the hollow column (22), and the diamond-like closing grooves (24) is filled with a carbon fiber reinforced plastic material so as to be laminated. Multi - layer hollow rollers for wire small machines. The method according to claim 1,
Shaped slope bars 21 and 21 'which are formed to be spaced equidistantly toward the central axis along the axial direction of the outer peripheral surface of the incision type outer tube 20, (26)
A rectangular tube 25 extending in the circumferential direction toward the right and left sides of the diamond-shaped closure groove 24 integrally formed toward the vertical downward central axis, And an inner tube 27 is formed at an end portion vertically downward from the rectangular channel 23 'toward the left and right of the column 26. The inner tube 27 is connected to the column 26, Respectively,
A plurality of triangular protruding bars 35 having a triangular upper end portion facing the central axis in the vertical downward direction are formed at equal intervals on the inner circumferential surface of the carbon fiber-reinforced plastic tube 31 joined to the outer circumferential surface of the incision type outer tube 20 , And a space formed by the wedge type inclined bars (21, 21 ') is filled with a carbon fiber-reinforced plastic material so as to be laminated so as to form a laminated structure. The method according to claim 1 or 3,
A plurality of triangular protruding bars 35 formed at regular intervals along the axial direction on the inner circumferential surface of the carbon fiber reinforced plastic tube 31 in a plurality of triangular grooves 37 formed at regular intervals along the outer peripheral surface axial direction of the outer tube 36, Is joined with a bonding agent in a state of being inserted,
A plurality of wye-shaped tilting bars (21, 21 ') formed at the upper end of the conduction triangular groove (38) toward the central axis are extruded at equal intervals along the axial direction on the inner peripheral surface of the outer tube (36) The square-shaped hollow channel 23 and the diamond-shaped closed groove 24 are integrally connected to the vertical and lower central axes of the columns 26 connected to the bars 21 and 21 ' Respectively,
Shaped hollow channel 23 'toward the left and right sides of the column 26' integrally connected to the center tube 25 in the circumferential direction of the diamond-like closure groove 24 and toward the vertical central axis in the vertical direction And the inner tube (27) is integrally formed at an end portion facing the direction of the hollow tube. The method according to claim 1,
A hollow column 22 connected to a central axis in a vertical downward direction at an end of a wedge type inclined bar 21 or 21 'formed to be spaced equidistantly toward the center axis along the axial direction of the outer circumference of the incision type outer tube 20 Forming,
Shaped hollow channels 23 toward the right and left sides of the hollow column 22 and wedge-shaped wedge-shaped closing grooves 41 toward the vertical downward central axis are integrally formed, Another wedge-shaped inclined bar 21 and 21 'is formed at a position shifted along the circumferential direction at a predetermined angle to the left and right sides of the cut-off middle tube 42 connected to the end of the cutter 41, Shaped hollow channel 23 'toward the right and left sides of the column 26' integrally formed toward the vertical downward central axis of the inclined bars 21 and 21 ' (27) are integrally formed,
A plurality of wobbly protruding bars 32 having a columnar shape at the lower end of the carbon fiber-reinforced plastic tube 31, which faces the central axis in the vertical downward direction, is disposed at an equal distance from the outer circumferential surface of the cut- , And a space connected to the wedge inclined bars (21, 21 '), the hollow column (22) and the wedge-shaped closed groove (41) is filled with a carbon fiber reinforced plastic material and molded and bonded Composite layer integral hollow rollers for lightweight wire shearing machines. The method according to claim 1 or 3,
The column 26 connected to the vertical downward central axis at the ends of the wedge-shaped inclined bars 21 and 21 'formed to be spaced equidistantly toward the central axis along the axial direction of the outer peripheral surface of the incisional outer tube 20 Forming,
The diverging hollow channels 23 are formed so as to be connected to the left and right sides of the column 26 and are connected to each other so as to integrally connect the diverging bars 43 and 43 '
Shaped wedge bars 21 and 22 formed at positions shifted along the circumferential direction at right angles to the right and left sides of the incision type intermediate tube 42 connected to the ends of the conduction wand type inclined bars 43 and 43 ' And the column 26 'is integrally connected to the vertical lower central axis of the column 26' so as to be connected integrally to the column 26 ', and the square hollow channel 23' And the inner tube (27) is formed integrally with the inner tube (27). The method according to claim 1,
A plurality of double-type grooves 33 formed at equal intervals along the outer circumferential surface axial direction of the outer tube 36 are provided on outer circumferential surfaces of the plurality of double-type grooves 33 on the inner circumferential surface of the carbon fiber- The double-type protruding bar 34 is joined with a bonding agent in a state of being inserted,
A plurality of wye-shaped tilting bars (21, 21 ') having a conductive triangular groove (38) at the upper end thereof are formed at regular intervals along the axial direction on the inner peripheral surface of the outer tube (36) Shaped hollow channel 23 toward the right and left sides of the column 26 formed by connecting the bars 21 and 21 'so as to face the central axis in the vertical downward direction and a wedge- (43, 43 ') are integrally connected to each other,
Shaped wedge bars (not shown) formed at equally spaced positions in the circumferential direction of the middle tube 25 connected to the ends of the conduction wedge-shaped cutouts 43 and 43 ' And a column 26 'oriented toward the central axis are integrally connected to the end of the column 26', and a rectangular channel 23 ' The inner tube 27 is integrally formed with the inner tube 27,
Is formed integrally with the rectangular hollow channels (23, 23 ') and the conductive triangular grooves (38) at axially intermediate portions thereof by disk plate members (44, 44'). Layer integral hollow roller.

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