KR102180103B1 - Unbalanced product machining method and machining jig - Google Patents

Abstract

The present invention relates to an unbalanced product machining method and a jig for machining. The shapes of both ends of an unbalanced product machining system are different. The unbalanced product machining system comprises: an index chuck (110) which is installed on a drive shaft (101) of a machine tool and mounts a temporarily formed material thereon to rotate; a jig (120) loaded in the index chuck (110) to fix the position of the material, and linked to the index chuck (110) to perform control to switch the machining direction of the material; a first machining tool (140) which is installed in front of the index chuck (110) and machines the front end, the rear end, and the center in the machining direction of the material controlled by the jig (120) to form a primary machined object; a face chuck (150) which is installed on a drive shaft (102) of a machine tool and mounts the primary machined object thereon to rotate; and a second machining tool (160) which machines the outer circumference of the material on one side of the face chuck (150) to form an unbalanced product. Productivity and quality can be improved by reducing equipment and machining processes for both ends and the center of the material.

Description

Unbalanced product processing method and processing jig {UNBALANCED PRODUCT MACHINING METHOD AND MACHINING JIG}

The present invention relates to a method for processing an unbalanced product and a jig for processing, and more specifically, a series of processes and facilities for processing each part of a product when processing an unbalanced product in which the shape of both ends of the final product is formed differently. It relates to a technology to improve productivity and quality by configuring to reduce.

In general, automobiles, heavy equipment, machines, and parts mounted thereon are processed and manufactured by machine tools.

Machine tools process metal materials mainly used as machine materials into the shape and dimensions of the final product using various types of cutting tools (processing tools), such as cutting, cutting, medium cutting, roughing, and grinding, and lathes and milling machines. , Drilling machines, grinding machines, and the like. CNC lathes, which are representative machine tools, are widely used in the manufacture of automobile parts because they can process products that require more precise processing through automatic numerical control by a computer.

As an example of a known technique, Korean Patent Registration No. 10-1970189 includes a body having a chamber formed therein, a chuck provided on one side of the chamber and configured to fix the shaft, and a shaft provided in the body and fixed to the chuck. It includes a processing unit for processing, a discharge conveyor device provided to extend from the lower side of the chuck to the outside of the main body, and a control means for controlling the operation of the chuck, the processing unit and the discharge conveyor device, and the chuck is a chamber to have a rotation center axis in the front and rear directions. It is rotatably coupled to the front of the shaft to constitute a processing device made to be rotated by the drive motor.

On the other hand, unlike the general shaft-shaped shaft as described above, in order to process a product having different shapes at both ends, such as a pinion shaft, which is an automobile part for driving an axle, first, the material is first converted to the final product using casting or forging. The process of forming into the approximate external shape of the material, the process of cutting both ends of the material by attaching the molded material to the first processing device, and the process of attaching the finished material to the second processing device to the center of both sides of the material. The process of cutting and processing both sides of the finished material to the third processing device to process the cross-sectional shape of both sides of the material, and the process of attaching the finished material to the fourth processing device to the outer diameter The method of manufacturing the final product through the process of processing is generally applied.

As another example, Korean Patent Registration No. 10-1445588 includes a first chuck and a second chuck that has a workpiece drop opening that opens from the center toward the outside in a radial direction, and clamps both ends of the workpiece carried in through the workpiece drop hole. , A first and second driving means installed corresponding to each of the first chuck and the second chuck, and for rotationally driving each chuck, and machining a workpiece clamped to at least one of the first and second chuck A machine tool comprising a tool and a control means for clamping the first end of the work by the first chuck and releasing the clamp of the second end of the work by the second chuck.

Korean Patent Registration No. 10-1970189 (2019.04.19) Korean Patent Registration No. 10-1445588 (2014.09.29) Korean Patent Registration No. 10-0525265 (2005.11.02) Korean Patent Registration No. 10-0835933 (2008.06.09)

A processing apparatus to which the prior art as described above is applied includes a chuck that fixes a workpiece and rotates by being coupled to a drive shaft, and a processing unit that processes the workpiece fixed to the chuck.

However, in order to process an unbalanced product in which the shapes of both ends are different, the processing apparatus such as the prior art separates the material from the chuck after completing a series of processing on one end, and then changes the direction and re-fixes it to the chuck. There is a problem in that it is necessary to perform a series of processing on the other end afterwards.

As another example, a machine tool of the prior art is provided in the form of separately controlling the first and second driving means and the first and second chucks, and by alternately clamping each end of the workpiece to be processed. There is a disadvantage of having to repeat the process several times using a plurality of processing devices.

Therefore, when the conventional technology is applied to the processing of an unbalanced product, there is a problem in that the economic burden is increased due to the establishment and operation of equipment, causing an increase in manufacturing cost.

In addition, the prior art increases productivity and process efficiency as the overall process cycle is delayed due to the time required for moving and detaching materials between a plurality of processing devices, and the time required for dimensional inspection and correction work performed between processes. There is a problem that greatly degrades.

Accordingly, in the present invention, as invented to solve the problems of the prior art as described above,

In the unbalanced product processing system in which the shape of both ends are formed differently,

An index chuck 110 installed on the drive shaft 101 of a machine tool and rotating by attaching a temporary molded material,

A jig 120 mounted inside the index chuck 110 to fix the position of the material and control to switch the processing direction of the material by interlocking with the index chuck 110,

A first processing tool 140 installed in front of the index chuck 110 and processing the front end, the rear end and the center according to the processing direction of the material controlled by the jig 120 to form a primary workpiece. ,

A face chuck 150 installed on the drive shaft 102 of a machine tool and rotating by attaching the primary workpiece,

Including a second processing tool 160 for forming an unbalanced product by processing the outer diameter of the material at one side of the face chuck 150,

The jig 120,

A locator 121 mounted on one side of the index chuck 110 and provided toward the deep portion of the index chuck 110,

A first clamp jaw 123 coupled to the locator 121 and provided to approach and separate from the deep portion of the index chuck 110,

A pair of first clampers 124 that are respectively coupled to the front and rear sides of the first clamp jaws 123 and form a ∨-shaped groove to seat one side of the material,

A cylinder 126 mounted on the other side of the index chuck 110 facing the locator 121 so as to be reciprocated toward the core, but rotatable in an axial direction orthogonal to the drive shaft 101,

A base jaw 127 coupled to the cylinder 126 and interlocking with the locator 121 to be rotatable at the same time,

A second clamp jaw 128 coupled to the base jaw 127 and provided to be adjacent and spaced apart from the deep portion of the index chuck 110 facing the first clamp jaw 123,

A pair of second clampers 129 that are coupled to the front and rear sides of the second clamp jaws 128, respectively, form a ∧-shaped groove to seat the other side of the material and fix it between the first clamper 124 By including it, it is possible to achieve the purpose of improving productivity and quality by reducing processing processes and facilities for both ends and centers of the material.

The present invention is configured to easily and automatically switch the processing direction of a material when processing an unbalanced product having different shapes at both ends, stopping the operation of the index chuck and the processing tool and removing the material as in the prior art. There is an advantage in that a series of processes, such as changing a tool, are eliminated, and machining of both ends and centers of the material is performed by a single process.

Accordingly, the present invention can significantly reduce a series of processes and equipment for processing each part of an unbalanced product, and increase processing efficiency per line, thereby improving productivity by more than two times and reducing manufacturing cost by about 60%.

In addition, since it is not necessary to remove the product or change the tool during the processing of both ends, the product quality is improved by improving the processing precision, and various types of unbalanced products can be applied regardless of the cross-section and center processing shape. There are various advantages such as roughing, medium cutting, and finishing processing for

1 is a schematic configuration diagram of an unbalanced product processing system of the present invention.
Figure 2 is a perspective view of the jig for processing unbalanced products of the present invention.
Figure 3 is a side view of the jig for processing unbalanced products of the present invention.
Figure 4 is a front view of Figure 3;
5 is a plan view (a), a side view (b) and a front view (c) of the locator of the jig for processing an unbalanced product of the present invention.
6 is a plan view (a), a side view (b) and a front view (c) of the first clamp jaw of the jig for processing an unbalanced product of the present invention.
7 is a side view (a) and a front view (b) showing in detail a first clamper and a second clamper of the jig for processing an unbalanced product of the present invention.
8 is a side view (a) and a plan view (b) of the base jaw of the jig for processing an unbalanced product of the present invention.
9 to 10 are exemplary diagrams illustrating a processing process using the unbalanced product processing system of the present invention.

Hereinafter, a configuration and operation according to a preferred embodiment of the method for processing an unbalanced product and a jig for processing of the present invention will be described in detail with reference to the accompanying drawings. In the following description, detailed descriptions of parts that can be easily implemented by those of ordinary skill in the art may be omitted.

1 is a schematic configuration diagram of an unbalanced product processing system of the present invention, FIG. 2 is a perspective view of a jig for processing an unbalanced product of the present invention, FIG. 3 is a side view of a jig for processing an unbalanced product of the present invention, and FIG. 4 is a front view of FIG. 5 is a plan view (a), side view (b) and front view (c) of the locator of the jig for processing unbalanced products of the present invention, and FIG. 6 is a plan view (a) of the first clamp jaw of the jig for processing unbalanced products of the present invention And side view (b) and front view (c), FIG. 7 is a side view (a) and a front view (b) showing in detail the first clamper and the second clamper of the jig for processing unbalanced products of the present invention, and FIG. 8 is the present invention A side view (a) and a plan view (b) of a base jaw of a jig for processing an unbalanced product, and FIGS. 9 to 10 show exemplary diagrams of a processing process according to the unbalanced product processing system of the present invention.

The unbalanced product processing method and the processing jig to which the technology of the present invention is applied are configured to significantly reduce a series of processes and equipment for processing each part of the unbalanced product in which the shape of both ends of the final product is formed differently. And technology to improve quality.

For this purpose, the unbalanced product processing method and the processing jig of the present invention are configured by an unbalanced product processing system in which the shapes of both ends are formed differently, and the system is an index chuck for processing both ends of the product as shown in FIG. It includes 110, a jig 120, a first machining tool 140, a face chuck 150 for processing the outer diameter of a product, and a second machining tool 160.

The index chuck 110 is installed on the drive shaft 101 of the machine tool and is configured to rotate by attaching a preformed material.

The machine tool may be, for example, a 3-axis CNC lathe, and the index chuck 110 and the face chuck 150 to be described later are installed to be detachably attached to the drive shaft 102 interlocking with the drive motor of the machine tool.

The material supplied to the index chuck 110 is formed and provided in an approximate external shape of the final product by casting or forging.

The index chuck 110 is mounted so that one end of the material is provided toward the first processing tool 140 installed in front by providing a predetermined chamber forming an opening in the front, and rotated at high speed by the drive shaft 101 It is configured so that cross-section processing is performed.

As shown in FIG. 2, the jig 120 is mounted inside the index chuck 110 to fix the position of the material and interlock with the index chuck 110 to control the change of the processing direction of the material.

The jig 120 is configured to change the direction of the end of the material facing the front of the index chuck 110 so that the processing of one end and the other end is continuous without removing the material from the index chuck 110 as in the prior art. 3 to 4, the locator 121, the first and second clamp jaws, the first and second clampers, the cylinder 126 and the base jaw 127 are included. do.

The locator 121 is mounted on one side of the index chuck 110 and provided toward the deep portion of the index chuck 110.

As shown in FIG. 5, the locator 121 is provided in the shape of a plate forming a deep shaft hole that couples the working shaft, and is provided to mount a first clamp jaw 123, which will be described later, on the upper side.

The operating shaft coupled to the deep shaft hole of the locator 121 is provided on a coaxial line with a rotation shaft that rotates the cylinder 126 to be described later. Both sides of the locator 121 are provided with a first clamp jaw 123 and mutually The operation guide bar 122 interlocking the following second clamp jaws 128 provided to form a symmetrical structure is mounted to simultaneously rotate around an operation axis.

In addition, a material fixed between the first clamper 124 and the second clamper 129 by attaching and detaching a spacer 132 corresponding to the dimensional deviation of the outer diameter of the temporary molded material on one side of the locator 121 It is configured to match the center of the index chuck 110 on the axis of rotation.

The spacer 132 has an arbitrary height corresponding to the dimensional deviation of the material and is provided to form a shaft hole that is coupled to the actuating shaft, and is configured to adjust the position of the locator 121 based on the actuating shaft.

The first clamp jaw 123 is coupled to the locator 121 and is provided toward the deep portion of the index chuck 110.

As shown in FIG. 6, the first clamp jaw 123 is provided in the shape of a plate forming a deep shaft hole for coupling the working shaft on the upper side of the locator 121, and a pair of first clampers to be described later on both sides It is configured to stably support the material by mounting 124 so as to face each other.

The first clampers 124 are coupled to the front and rear sides of the first clamp jaws 123, respectively, and constitute a pair of ∨-shaped grooves to seat one side of the material.

As shown in FIG. 7, the first clamper 124 is provided to be symmetrical with the second clamper 129, which will be described later, around a horizontal axis of rotation that rotates the index chuck 110, so that the material is seated. do.

The ∨-shaped groove of the first clamper 124 is provided with a concave inlet portion having an inclined surface in both directions forming a range of about 90 degrees to accommodate the front and rear outer diameter portions of the material, and a predetermined spike portion 125 is provided on the inclined surface. It is configured to provide stable support from vibrations generated during processing of the material by the first processing tool 140.

The spike portion 125 is provided to adjust the protruding height of each inclined surface of the first clamper 124 to correspond to the outer diameters of various shapes of materials.

On the other hand, the cylinder 126 is mounted on the other side of the index chuck 110 facing the locator 121 so as to be reciprocated toward the core, but perpendicular to the drive shaft 101 rotating the index chuck 110 It is provided to be rotatable in the axial direction.

The cylinder 126 receives power from the machine tool and reciprocates the rod toward the core of the index chuck 110, and the first clamp jaw 123 and the first clamper 124 and the following second clamp jaw 128 And it is configured to adjust the distance between the second clamper (129).

In addition, the cylinder 126 is provided to rotate in the chamber of the index chuck 110 based on a rod, that is, a rotation axis in a vertical direction perpendicular to the rotation axis in the horizontal direction forming the rotation center of the index chuck 110 It is configured so that the directions of the fixtures 120 fixing the integral can be switched to the front and rear directions of the index chuck 110.

The base jaw 127 is coupled to the rod of the cylinder 126 to reciprocate and rotate toward the core of the index chuck 110.

As shown in Figure 8, the base jaw 127 is provided in the shape of a disk forming a deep shaft hole coupled to the rod of the cylinder 126, and provided to mount a second clamp jaw 128 to be described later on the lower side. do.

The second clamp jaw 128 is coupled to the base jaw 127 and faces the first clamp jaw 123 and is provided to approach and separate from the deep portion of the index chuck 110.

The second clamp jaw 128 is provided in the shape of a plate forming a deep shaft hole that couples the rotation shaft at the lower side of the base jaw 127, and a pair of second clampers 129 to be described later are mounted to face each other on both sides. So that the material is stably supported.

The second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 and the second clamp jaw 128 to be symmetrical to each other by mounting operation guide bars 122 that are coupled to the locator 121 to form the first The clamp jaws 123 are provided to rotate in conjunction with each other.

The second clampers 129 are coupled to the front and rear sides of the second clamp jaws 128, respectively, and form a ∧-shaped groove to be configured as a pair to seat the other side of the material.

The second clamper 129 is provided to be symmetrical with the first clamper 124 around a horizontal axis of rotation that rotates the index chuck 110 to fix the material therebetween, and thus the center of the material is the index It is located at the center of rotation by the chuck 110 and rotation by the jig 120.

The ∧-shaped groove of the second clamper 129 is provided with a concave inlet portion having an inclined surface in both directions forming a range of about 90 degrees to accommodate the front and rear outer diameter portions of the material, and a predetermined spike portion 125 is provided on the inclined surface. It is configured to provide stable support from vibrations generated during processing of the material by the first processing tool 140.

The spike portion 125 is provided to adjust the protruding height of each inclined surface of the second clamper 129 to correspond to the outer diameter of the material formed of various shapes.

On the other hand, on one side of the front and rear directions of the jig 120 configured as described above, a weight 131 corresponding to the weight difference between the front end and the rear end of the material is mounted detachably so as to be able to change the direction of the material. It is configured to prevent.

Since the jig 120 is provided so as to change the direction of the front and rear directions inside the index chuck 110, the weight 131 is mounted on the front side or the rear side of any component constituting the jig 120 . Therefore, in the process of converting the processing direction of the temporary molded material for the unbalanced product applied to the present invention before and after the rotation axis of the jig 120, mechanical damage or operation that may occur due to the difference in weight of both ends Arrange to minimize the load on the top.

The first processing tool 140 is installed in front of the index chuck 110 and processed by processing the front end, the rear end and the center according to the processing direction of the material controlled by the jig 120 to form a primary workpiece. Organize to do.

The first processing tool 140 is composed of a plurality of cutting tools for roughing, medium cutting, or finishing the end of the material or processing the center, and is configured to select a tool according to a process. The first processing tool 140 is provided to perform processing of the corresponding portion according to the design dimensions of the final processed product.

The first processing tool 140 is a material fixed to the jig 120 by selecting an arbitrary cutting tool according to the processing process and moving to the front of the index chuck 110, and the rotation of the index chuck 110 When one end of the material is processed and the direction of the material is changed by the jig 120, the other end of the material is processed.

The face chuck 150 is installed on the drive shaft 102 of the machine tool and is configured to rotate by attaching the primary workpiece.

The face chuck 150 is provided with a mount 151 in the front so that one or the other end of the primary processed material is provided toward the second processing tool 160 installed on one side, and is provided by the drive shaft 102. It is configured to perform outer diameter processing by rotating at high speed.

The second processing tool 160 is configured to form an unbalanced product by processing the outer diameter of the material at one side of the face chuck 150.

The second processing tool 160 is composed of a plurality of cutting tools for roughing, medium cutting, and finishing of the outer diameter of a material, and is configured to select a tool according to a process. The second processing tool 160 is provided to perform processing of the corresponding portion according to the design dimensions of the final processed product.

The second processing tool 160 also selects an arbitrary cutting tool according to the processing process and moves to one side of the face chuck 150, and the material fixed to the mount 151 by the rotation of the face chuck 150 The outer diameter is configured to perform machining along the longitudinal direction.

A method for processing an unbalanced product in which the shapes of both ends are differently formed by using the unbalanced product processing system to which the technology of the present invention is applied having the configuration as described above will be described as follows. Since the following description is for describing the present invention by way of example, it is natural that the present invention is not limited by the following examples, and that various modifications may be provided within the scope not departing from the scope of the present invention. .

In the method of processing an unbalanced product in which the shape of both ends according to the present invention is formed differently, the first processing process and the face chuck 150 by the index chuck 110 and the first processing tool 140 incorporating the jig 120 ) And a second processing process by the second processing tool 160, a first transfer process for transferring and inspecting the finished product, and a second transfer process.

As shown in FIG. 9, in the first processing step, the temporary molded material is fixed to the jig 120 mounted inside the index chuck 110, rotated, and processed using the first processing tool 140, This is a process in which the processing direction of the material is changed by the jig 120 to perform front end and rear end of the material and center processing in a single process to form a primary processed product.

In the primary processing process, first, the final product intended for the jig 120 mounted on the index chuck 110 installed on the drive shaft 101 of a machine tool having a plurality of drive shafts by a drive motor such as a CNC lathe. The temporary molded material is fixed in the shape of.

By operating the cylinder 126 of the jig 120, the base jaw 127 and the second clamp jaw 128 coupled thereto are moved in a direction away from the core, and the first clamper 124 and the second clamper 129 The material is fixed between the materials so that one end of the material faces the front of the index chuck 110.

The index chuck 110 rotates at high speed and selects one of roughing, medium cutting, or finishing tools provided in the first machining tool 140 installed in front of the index chuck 110 and moving toward the material side to Perform face processing.

When the end surface processing of one side of the material is completed, the first processing tool 140 is separated from the index chuck 110 and a center processing is performed by selecting a tool for center processing.

When the processing of one end of the material is completed, the speed of the index chuck 110 is reduced and the direction of the jig 120 is changed.

When the cylinder 126 is rotated at an angle of 180 degrees, the base jaw 127 coupled to the cylinder 126 and the second clamp jaw 128 mounted thereon rotate, and the first connected by the operation guide bar 122 The first clamp jaw 123 rotates together with the locator 121 so that the directions of the first clamper 124 and the second clamper 129 provided at the front and rear sides thereof are reversed. The material fixed to the jig 120 by the direction change of the jig 120 as described above is fixed so that the other end of the material faces the front of the index chuck 110.

When the direction of the material is changed, the decelerated index chuck 110 is rotated at high speed, and processing is performed on the other end of the material using the first processing tool 140 in the same manner as described above.

In the first processing process as described above, as in the conventional unbalanced product processing method, the operation of the index chuck 110 and the first processing tool 140 is stopped, and the material is removed from the jig 120 and the index chuck 110. Excluding a series of processes such as, etc., processing of both ends and centers of the material is performed by a single process according to the desired design dimensions.

The first transfer process is a process of taking out and transferring the primary processed product, but inspecting the processing state of the front end, the rear end, and the center to select good and defective products.

In the first transfer process, defective products are removed in advance in the transfer process for inputting the primary processed product to a subsequent secondary processing process, and only good products are introduced, thereby enabling efficient process operation.

The secondary processing process is a process of forming an unbalanced product by fixing and rotating the primary processed material selected and transported as a good product to the face chuck 150 and processing the outer diameter of the material using the second processing tool 160.

As shown in Fig. 10, in the secondary processing step, the first processing of both ends is completed by the first processing step on the mount 151 of the face chuck 150 installed on the drive shaft 102 of the machine tool. Fix one end of the workpiece.

Rotate the face chuck 150 at high speed and select one of roughing, medium cutting, or finishing tools provided in the second processing tool 160 installed on one side of the face chuck 150 to move to the material side and change the length direction. Therefore, processing for the outer diameter is performed to complete the processing of the unbalanced product.

In the second transfer process, the unbalanced product is taken out and transferred, but the processing condition of the outer circumferential surface is inspected to select good and defective products, and a final product is obtained.

The second transfer process enables efficient process operation by simultaneously selecting the final good products in the transfer process for entering the final shipment stage, such as the packaging unit, for the finished product.

Therefore, the method for processing an unbalanced product and a jig for processing an unbalanced product according to the present invention as described above are configured to be able to easily switch the processing direction of the material when processing an unbalanced product in which the shape of both ends are differently formed, and index as in the prior art It has the effect of excluding a series of processes such as stopping the operation of the chuck 110 and the machining tool, removing the material or replacing the tool, and allowing the machining of both ends and centers of the material to be performed by a single process.

Accordingly, the present invention can significantly reduce a series of processes and equipment for processing each part of an unbalanced product, and increase processing efficiency per line, thereby improving productivity by more than two times and reducing manufacturing cost by about 60%.

In addition, since it is not necessary to remove a product or replace a tool in the process of processing both ends, the defect rate can be significantly reduced and product quality can be improved by improving the processing precision. In addition, it is possible to apply various kinds of unbalanced products regardless of the cross-section and center processing shape, and there are various advantages such as roughing, medium cutting, and finishing processing for the entire outer diameter.

110: index chuck 120: jig
121: locator 122: operation guide bar
123: first clamp jaw 124: first clamper
125: spike portion 126: cylinder
127: base jaw 128: second clamp jaw
129: second clamper 131: weight
132: spacer 140: first processing tool
150: face chuck 151: mount
160: second processing tool 101, 102: drive shaft

Claims (5)

An index chuck 110 that is installed on the drive shaft 101 of the machine tool and rotates by attaching the preformed material,
A jig 120 mounted inside the index chuck 110 to fix the position of the material and interlock with the index chuck 110 to control to switch the processing direction of the material,
A first processing tool 140 installed in front of the index chuck 110 and processing the front end, the rear end and the center according to the processing direction of the material controlled by the jig 120 to form a primary workpiece. ,
A face chuck 150 installed on the drive shaft 102 of the machine tool and rotating by attaching the primary workpiece,
In the unbalanced product processing system in which the shape of both ends are differently formed, including a second processing tool 160 for forming an unbalanced product by processing an outer diameter of a material at one side of the face chuck 150,
The jig 120,
A locator 121 mounted on one side of the index chuck 110 and provided toward the deep portion of the index chuck 110,
A first clamp jaw 123 coupled to the locator 121 and provided to approach and separate from the deep portion of the index chuck 110,
A pair of first clampers 124 that are respectively coupled to the front and rear sides of the first clamp jaws 123 and form a ∨-shaped groove to seat one side of the material,
A cylinder 126 mounted on the other side of the index chuck 110 facing the locator 121 so as to be reciprocated toward the core, but rotatable in an axial direction orthogonal to the drive shaft 101,
A base jaw 127 coupled to the cylinder 126 and interlocked with the locator 121 to be rotatable at the same time,
A second clamp jaw 128 coupled to the base jaw 127 and provided to be adjacent and spaced apart from the deep portion of the index chuck 110 facing the first clamp jaw 123,
A pair of second clampers 129 that are coupled to the front and rear sides of the second clamp jaws 128, respectively, form a ∧-shaped groove to seat the other side of the material, and fix it between the first clamper 124 Unbalanced product processing system comprising a. delete The method of claim 1,
A weight 131 corresponding to a weight difference between a front end and a rear end of the material is mounted on one side in the front and rear directions of the jig 120 so as to be detachable to prevent eccentric load when the material is changed direction. Unbalanced product processing system The method of claim 1,
On one side of the locator 121, a spacer 132 corresponding to the dimensional deviation of the outer diameter of the temporary molded material is mounted to be detachably attached to the material that is fixed between the first clamper 124 and the second clamper 129. Unbalanced product processing system, characterized in that the center is configured to match the axis of rotation of the index chuck (110). delete

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