PEEK Insulated Wire Processing Process
The PEEK insulated wire processing process enhances adhesion and service life by drying, plasma cleaning, and real-time eccentricity adjustment, addressing the adhesion issues and improving coating uniformity.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- TONGLING JINGDA SPECIAL MAGNET WIRE CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-04-22
Smart Images
Figure 2026068680000001_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of insulated wire processing, and particularly to the PEEK insulated wire processing process.
Background Art
[0002] A PEEK conductor (a conductor coated with a PEEK insulating material layer) has excellent chemical resistance, thermal stability and oxidation resistance, as well as high mechanical strength, creep resistance and electrical properties. It can withstand high-energy ray irradiation and has excellent flame retardancy. The long-term use temperature range of PEEK may be -100°C to +250°C. Regarding the PEEK insulated wire in the prior art, the direct coating method is used during processing, that is, the PEEK paint is directly applied to the core wire, and then baked at a high temperature to cure and form a film. However, when such a method is used, the adhesion of the PEEK layer on the conductor is not high, and after being used for a certain period of time, the surface of the PEEK insulated wire partially powders and becomes brittle, which affects the service life of the PEEK insulated wire.
Summary of the Invention
Problems to be Solved by the Invention
[0003] In order to improve the adhesion of the PEEK insulating layer on the conductor and improve the service life of the PEEK insulated wire, this application provides a PEEK insulated wire processing process.
Means for Solving the Problems
[0004] The PEEK insulated wire processing process according to this application uses the following technical means. The PEEK insulated wire processing process is a PEEK material preparation step of completely removing its moisture by drying the PEEK material for a certain period of time, a feeding step of controlling the core wire to be wired at an appropriate tension value, a preheating step of preheating the core wire before the core wire contacts the PEEK material, A plasma cleaning step for cleaning the core wire with plasma, Depending on the specifications and model number of the PEEK insulated wire to be produced, an appropriate extrusion die is attached to the extruder head, and the PEEK material is extruded under vacuum in an extrusion coating step. Cooling step, An online detection step in which the eccentricity of the coating on a PEEK insulated wire is detected online using an eccentricity detection device (2), Includes a winding step.
[0005] Preferably, in the preheating step, the core wire is preheated using a vacuum induction heating method.
[0006] Preferably, if the core wire material is a molded soft rectangular conductor, the core wire is preheated directly after being fed out; if the core wire material is a round conductor, the rounding step, rolling step, and flattening step must be performed in order before preheating; and if the core wire material is an extruded rectangular conductor, the flattening step must be performed before preheating.
[0007] If the core wire material is a round conductor or an extruded rectangular conductor, after the flattening is completed, it is washed, then blow-dried and / or bake-dried, and after the surface is dry, it is annealed.
[0008] Preferably, the eccentricity detection device includes a fixed frame through which a PEEK insulated wire can pass, and on the four sides (top, bottom, left, and right) of the inner surface of the fixed frame, there are upper coating thickness measuring devices, lower coating thickness measuring devices, left coating thickness measuring devices, and right coating thickness measuring devices, respectively, which are located on the same vertical plane and measure the thickness of the coating on the four sides (top, bottom, left, and right) of the same cross-section of the PEEK insulated wire.
[0009] Preferably, the top coating thickness measuring device, the bottom coating thickness measuring device, the left coating thickness measuring device, and the right coating thickness measuring device are all fixedly connected to a sliding rod, each of which is mounted on a fixed frame so as to be slidable toward the center, and contact rings that contact the PEEK insulated wire are provided on both the front and rear sides of the top coating thickness measuring device, the bottom coating thickness measuring device, the left coating thickness measuring device, and the right coating thickness measuring device. Each of which contact rings is connected to the corresponding sliding rod by a connecting frame, and each of which is locked to the fixed frame by a locking member.
[0010] Preferably, in the extrusion coating step, the core wire's position is adjusted by an eccentricity adjustment device before it enters the extruder to ensure that the core wire is always at the center of the extrusion die.
[0011] Preferably, the eccentricity adjustment device includes a base frame, a left limiting roller and a right limiting roller that restrict the core wire to the left and right, and an upper limiting roller and a lower limiting roller that restrict the core wire to the up and down, wherein the distance between the left limiting roller and the right limiting roller is adjustable, and the distance between the upper limiting roller and the lower limiting roller is adjustable.
[0012] The base frame is provided with a horizontal movement unit and a first drive member that drives the horizontal movement unit to move along the width direction of the base frame, and the left limiting roller and the right limiting roller are provided on the horizontal movement unit.
[0013] The base frame is provided with a vertical movement unit and a second drive member that drives the vertical movement unit to move up and down, and the upper limiting roller and lower limiting roller are provided on the vertical movement unit.
[0014] Preferably, the eccentricity adjustment device further includes a processor, and the upper coating thickness measuring device, lower coating thickness measuring device, left coating thickness measuring device, right coating thickness measuring device, first drive member, and second drive member are each connected to the processor by signals.
[0015] Preferably, the eccentricity adjustment device is
[0016] Step S1 involves adjusting each sliding rod so that each of the four sides of the PEEK insulated wire contacts the corresponding contact ring, according to the specifications and dimensions of the PEEK insulated wire's cross-section, and then locking each sliding rod after holding the PEEK insulated wire so that it is centered on the fixed frame.
[0017] Step S2 involves the upper coating thickness measuring device, lower coating thickness measuring device, left coating thickness measuring device, and right coating thickness measuring device simultaneously measuring the thickness on all four sides of the coating of the PEEK insulated wire, with the thickness value measured by the upper coating thickness measuring device being defined as a, the thickness value measured by the lower coating thickness measuring device being defined as b, the thickness value measured by the left coating thickness measuring device being defined as c, and the thickness value measured by the right coating thickness measuring device being defined as d.
[0018] Step S3 involves transmitting the thickness values a, b, c, and d measured by the top coating thickness measuring device, the bottom coating thickness measuring device, the left coating thickness measuring device, and the right coating thickness measuring device, respectively, to the processor as signals.
[0019] Step S4 involves the processor calculating the required displacement H of the vertical movement unit based on the equation H = p·(ab) / 2, calculating the required displacement X of the horizontal movement unit based on the equation X = p·(cd) / 2, and transmitting the values X and H to the first drive member and the second drive member by signal, respectively.
[0020] If H<0, the second drive member drives the vertical movement unit downwards; if H=0, it holds the vertical movement unit in its original position; and if H>0, the second drive member drives the vertical movement unit upwards, with the movement distance being p·|(ab) / 2| in all cases.
[0021] When X < 0, the first drive member drives the horizontal movement unit to move to the right; when X = 0, the horizontal movement unit is held in its original position; and when X > 0, the first drive member drives the horizontal movement unit to move to the left, with the movement distance being p·|(cd) / 2| in all cases.
[0022] Here, the eccentricity of the coating film of the PEEK insulated wire is adjusted by using step S5 in which p is an adjustment coefficient greater than 1.
Advantages of the Invention
[0023] As described above, the present application includes at least one of the following beneficial technical effects. 1. In the present application, after the core wire is plasma cleaned before extrusion coating, its surface is slightly corroded, the contact angle is significantly reduced, and the surface roughness is remarkably improved, which helps to improve the bonding force with the PEEK material. Thereby, the adhesion of the PEEK material to the core wire is improved, the possibility that the surface of the PEEK insulated wire is partially powdered and becomes brittle is reduced, and the service life of the PEEK insulated wire is improved. 2. The core wire is preheated by a vacuum induction heating method. Compared with the conventional open-type resistance heating, the heating efficiency is higher, the heating is more uniform, and in the above heat treatment, the adhesion performance of the core wire can also be improved by the orientation symmetry between crystal grains. 3. In the present application, the thicknesses of the upper, lower, left, and right sides of the coating film of the PEEK insulated wire are measured, and the measurement data is transmitted to the processor. The processor calculates and obtains the displacement required for correcting the deviation of the core wire, and transmits the displacement data to the first driving member and the second driving member, thereby adjusting the running position of the core wire in real time, ensuring that the core wire is always located at the extrusion center of the die, and reducing the eccentricity of the coating film.
Brief Description of the Drawings
[0024] [Figure 1] It is a process flow diagram of the PEEK insulated wire processing process in an embodiment of the present application. [Figure 2] It is a schematic configuration diagram showing an eccentricity detection device in an embodiment of the present invention. [Figure 3] It is a schematic configuration diagram showing an eccentricity adjustment device in an embodiment of the present invention. [Figure 4] It is a schematic configuration diagram showing an upper coating thickness measurement device, a lower coating thickness measurement device, a left coating thickness measurement device, and a right coating thickness measurement device in an embodiment of the present invention. [Figure 5] This is a schematic diagram showing the first drive member and the second drive member in an embodiment of the present application. [Figure 6] This is a schematic diagram of the processor in an embodiment of the present invention. [Figure 7] This is a schematic diagram showing that the eccentricity adjustment device in an embodiment of the present invention adjusts the eccentricity in the vertical direction. [Modes for carrying out the invention]
[0025] The present invention will be described in more detail below with reference to Figures 1-7. Examples: The embodiments of this application disclose a PEEK insulated wire processing process. As shown in Figures 1-2, the PEEK insulated wire processing process includes the following steps.
[0026] PEEK material preparation: When processing PEEK, it is necessary to ensure the purity and cleanliness of the material and to keep it dry. Otherwise, it will affect the processing process, coating structure, and product performance. Therefore, before processing, the PEEK material must be baked at a temperature of 100-150°C for 8 hours or more to completely remove moisture. In this embodiment, the PEEK material may be any one of the following: polyaryl ether ketone (PAEK), polyether ketone (PEK), polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether ether ketone ketone (PEEKK), polyether ketone ether ketone ketone (PEKEKK), polyaryl ether ketone, and fluorine-containing polyether ether ketone (FPEEK).
[0027] Dispatch: Controls the wiring of the core wires to an appropriate tension value. In this embodiment, the core wire material may be a highly conductive metal such as pure copper, pure aluminum, or copper-silver alloy.
[0028] Preheating: Before the core wire comes into contact with the PEEK material, the core wire is preheated using a vacuum induction heating method. Compared to conventional open-type resistance heating, this method offers higher heating efficiency and more uniform heating. Furthermore, this heat treatment can improve the adhesion performance of the core wire due to the orientation symmetry between the crystal grains.
[0029] Plasma cleaning: By directly spraying a plasma cleaning agent into the atmosphere, the core wire is plasma cleaned. After plasma cleaning, the surface of the core wire is lightly corroded, the contact angle is significantly reduced, and the surface roughness is greatly improved, which helps to improve the bonding strength with the PEEK material. This improves the adhesion of the PEEK material to the core wire, reduces the possibility of the surface of the PEEK insulated wire becoming partially powdered and brittle, and extends the service life of the PEEK insulated wire.
[0030] Extrusion coating: Depending on the specifications and model number of the PEEK insulated wire to be produced, an appropriate die is attached to the extruder head, and the PEEK material is extruded under vacuum. To further improve the adhesion of the bond between the PEEK material and the core wire, and to improve the surface flatness of the PEEK insulated wire, an extrusion die is used.
[0031] Cooling: If the ambient temperature is below a specified temperature, the PEEK insulated wire is directly air-cooled after being removed from the die. If the ambient temperature is above a specified temperature, cooling is performed using air cooling and / or water cooling.
[0032] Online detection: The eccentricity of the coating on PEEK insulated wires is detected online using the eccentricity detection device 2, making it easier to adjust the coating eccentricity in a timely manner and helping to improve the quality of finished PEEK insulated wires.
[0033] Winding: PEEK insulated wires are stored and wound up using a winding device.
[0034] In the above feeding step, the core wire material may be one of the following: round conductor, extruded rectangular conductor, or molded soft rectangular conductor. If the core wire material is a molded soft rectangular conductor, the core wire is preheated directly after feeding. If the core wire material is a round conductor, the rounding step, rolling step, and planing step must be performed in order before preheating. If the core wire material is an extruded rectangular conductor, the planing step must be performed before preheating. Furthermore, if the core wire material is a round conductor or an extruded rectangular conductor, after planing is completed, the core wire is cleaned in an ultrasonic cleaner to remove surface dirt. After cleaning is complete, blow drying and / or bake drying is performed to dry the surface, and then annealing is performed. In this embodiment, annealing is performed using an induction heating method, and nitrogen gas is used in the heating furnace to protect the metal wire, achieving the objective of softening the metal wire. This reduces its hardness, improves its plasticity, makes it easier to process, and guarantees processing quality.
[0035] As shown in Figures 1 and 3, in the extrusion coating step described above, the eccentricity adjustment device 1 adjusts the running position of the core wire before it enters the extruder, thereby ensuring that the core wire is always positioned at the center of the die's extrusion, and thus reducing the eccentricity of the coating film.
[0036] As shown in Figures 2 and 4, the eccentricity detection device 2 includes a fixed frame 21 through which PEEK insulated wires can pass. On the four sides (top, bottom, left, and right) of the inner surface of the fixed frame 21, there are upper coating thickness measuring devices 22, lower coating thickness measuring devices 23, left coating thickness measuring device 24, and right coating thickness measuring device 25, respectively, which are located on the same vertical plane and measure the thickness of the coating on the four sides (top, bottom, left, and right) of the same cross-section of the PEEK insulated wire. This makes it easy to measure the eccentricity of the PEEK insulated wire online, allows operators to adjust the eccentricity in a timely manner, and ensures the production quality of the PEEK insulated wires.
[0037] As shown in Figure 4, the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25 are all fixedly connected to a sliding rod 26. Each sliding rod 26 is mounted on a fixed frame 21 so as to be slidable toward the center. Contact rings 27 that contact the PEEK insulated wire are provided on both the front and rear sides of the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25. Each contact ring 27 is connected to the corresponding sliding rod 26 by a connecting frame 28, and each sliding rod 26 is locked to the fixed frame 21 by a locking member 29. In this way, the PEEK insulated wire is restricted to the inside of the fixed frame 21 by the contact rings 27 on all four sides, making it easier to guide the wiring of the PEEK insulated wire. Furthermore, the above structure ensures that regardless of how the specifications and dimensions of the PEEK insulated wire change, the distance between the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25 and the surface of the coating on the corresponding side will always match. This ensures consistency in the measurement distances of the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25, thereby guaranteeing the accuracy of the measurement results.
[0038] As shown in Figures 3 and 5, the eccentricity adjustment device 1 includes a base frame 11, a left limiting roller 111 and a right limiting roller 112 that restrict the core wire to the left and right, and an upper limiting roller 113 and a lower limiting roller 114 that restrict the core wire to the up and down. The distance between the left limiting roller 111 and the right limiting roller 112 is adjustable, and the distance between the upper limiting roller 113 and the lower limiting roller 114 is adjustable.
[0039] The base frame 11 is provided with a horizontal movement unit 12 and a first drive member 121 that drives the horizontal movement unit 12 to move along the width direction of the base frame 11, and the left limiting roller 111 and the right limiting roller 112 are provided on the horizontal movement unit 12, and the base frame 11 is provided with a vertical movement unit 13 and a second drive member 131 that drives the vertical movement unit 13 to move up and down, and the upper limiting roller 113 and the lower limiting roller 114 are provided on the vertical movement unit 13.
[0040] As shown in Figures 4-6, the eccentricity adjustment device 1 further includes a processor 14, and the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, the right coating thickness measuring device 25, the first drive member 121, and the second drive member 131 are each connected to the processor 14 by signals. In this embodiment, the first drive member 121 is an electric push rod, and the second drive member 131 is a screw module.
[0041] The steps for using the eccentricity adjustment device 1 are as follows:
[0042] S1, Adjust each sliding rod 26 so that each of the four sides of the PEEK insulated wire contacts the corresponding contact ring 27 according to the specifications and dimensions of the cross section of the PEEK insulated wire, and hold the PEEK insulated wire so that it is centered on the fixing frame 21, then lock each sliding rod 27,
[0043] S2, the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25 simultaneously measure the thickness on all four sides of the coating of the PEEK insulated wire. Let the thickness value measured by the top coating thickness measuring device 22 be a, the thickness value measured by the bottom coating thickness measuring device 23 be b, the thickness value measured by the left coating thickness measuring device 24 be c, and the thickness value measured by the right coating thickness measuring device 25 be d.
[0044] S3, the thickness values a, b, c, and d measured by the top coating thickness measuring device 22, the bottom coating thickness measuring device 23, the left coating thickness measuring device 24, and the right coating thickness measuring device 25 are transmitted to the processor 14 as signals.
[0045] S4, the processor 14 calculates the required displacement H of the vertical movement unit 13 based on the equation H = p·(ab) / 2, and the required displacement X of the horizontal movement unit 12 based on the equation X = p·(cd) / 2, and transmits the values X and H to the first drive member 121 and the second drive member 131 by signal, respectively.
[0046] In S5, if H<0, the second drive member 131 drives the vertical movement unit 13 downwards; if H=0, the vertical movement unit 13 is held in its original position; and if H>0, the second drive member 131 drives the vertical movement unit 13 upwards, with the movement distance being p·|(ab) / 2| in all cases.
[0047] When X < 0, the first drive member 121 drives the horizontal movement unit 12 to move to the right; when X = 0, the horizontal movement unit 12 is held in its original position; and when X > 0, the first drive member 121 drives the horizontal movement unit 12 to move to the left, with the movement distance being p·|(cd) / 2| in all cases.
[0048] Let A be the position of the hole in the extrusion die, B be the position of the eccentricity detection device 2, and C be the position of the eccentricity adjustment device 1. Let s be the distance between B and A along the wiring direction of the core wire, and t be the distance between B and C along the wiring direction of the core wire. Since the extrusion die, the fixed frame 21 of the eccentricity detection device 2, and the base frame 11 of the eccentricity adjustment device 1 remain fixed during the production process of PEEK insulated wire, and the extrusion die is located between the eccentricity detection device 2 and the eccentricity adjustment device 1, t / s is a constant greater than 1.
[0049] As shown in Figure 7, taking the example of the eccentricity adjustment device 1 adjusting the eccentricity in the vertical direction, the amount of displacement that should occur in the die hole of the extrusion die of the core wire is ΔH, and from similar triangles, we can infer that |H| / ΔH=t / s, and since ΔH=|(cd) / 2|, we have |H|=p·|(ab) / 2|, where p=t / s, which is an adjustment coefficient greater than 1. Similarly, we can obtain |X|=p·|(cd) / 2|, where p=t / s, which is an adjustment coefficient greater than 1.
[0050] In this way, the thickness of the coating on all four sides (top, bottom, left, and right) of the PEEK insulated wire is measured, and the measurement data is transmitted to the processor 14. The processor 14 calculates and acquires the displacement necessary for correcting the misalignment of the core wire, and transmits the displacement data to the first drive member 121 and the second drive member 131. The second drive member 131 drives the vertical movement unit 13 to move upward or downward, and the first drive member 121 drives the horizontal movement unit 12 to move left or right. This adjusts the running position of the core wire in real time, ensuring that the core wire is always positioned at the center of the die's extrusion, thereby reducing the eccentricity of the coating.
[0051] The above descriptions are all preferred embodiments of the present invention and do not limit the scope of protection of the present invention; therefore, equivalent modifications based on the structure, shape, and principle of the present invention should all be included within the scope of protection of the present invention. [Explanation of Symbols]
[0052] 1 Eccentricity adjustment device 11 Base frame 111 Left-hand limited roller 112 Right-hand limiting roller 113 Upper limit roller 114 Lower limit roller 12 Horizontal movement units 121 First drive member 13 Vertical movement unit 131 Second drive member 14 processors 2. Eccentricity detection device 21 Fixed frame 22. Topcoat film thickness measuring device 23 Undercoat film thickness measuring device 24 Left coating film thickness measuring device 25 Right coating thickness measuring device 26 Sliding rod 27 Contact ring 28 connection frames 29 Locking member
Claims
1. A PEEK material preparation step involves completely removing moisture from the PEEK material by drying it for a certain period of time. A feeding step that controls the wiring of the core wires to an appropriate tension value, A preheating step in which the core wire is preheated before it comes into contact with the PEEK material, A plasma cleaning step for cleaning the core wire with plasma, Depending on the specifications and model number of the PEEK insulated wire to be produced, an appropriate extrusion die is attached to the extruder head, and the PEEK material is extruded under vacuum in an extrusion coating step. Cooling step, An online detection step in which the eccentricity of the coating on a PEEK insulated wire is detected online using an eccentricity detection device (2), Includes a winding step, The eccentricity detection device (2) includes a fixed frame (21) through which a PEEK insulated wire can pass, and on the four sides (top, bottom, left, and right) of the inner surface of the fixed frame (21) are provided an upper coating thickness measuring device (22), a lower coating thickness measuring device (23), a left coating thickness measuring device (24), and a right coating thickness measuring device (25), respectively, which are located on the same vertical plane and measure the thickness of the coating on the four sides (top, bottom, left, and right) of the same cross-section of the PEEK insulated wire. In the extrusion coating step, before the core wire enters the extruder, the eccentricity adjustment device (1) adjusts the running position of the core wire to ensure that the core wire is always at the center of the extrusion die. The eccentricity adjustment device (1) includes a base frame (11), a left limiting roller (111) and a right limiting roller (112) that restrict the core wire to the left and right, and an upper limiting roller (113) and a lower limiting roller (114) that restrict the core wire to the up and down, wherein the distance between the left limiting roller (111) and the right limiting roller (112) is adjustable, and the distance between the upper limiting roller (113) and the lower limiting roller (114) is adjustable. The base frame (11) is provided with a horizontal movement unit (12) and a first drive member (121) that drives the horizontal movement unit (12) to move along the width direction of the base frame (11), and the left limiting roller (111) and the right limiting roller (112) are provided on the horizontal movement unit (12). The PEEK insulated wire processing process is characterized in that the base frame (11) is provided with a vertical movement unit (13) and a second drive member (131) that drives the vertical movement unit (13) to move up and down, and the upper limiting roller (113) and lower limiting roller (114) are provided on the vertical movement unit (13).
2. The PEEK insulated wire processing process according to claim 1, characterized in that the preheating step involves preheating the core wire using a vacuum induction heating method.
3. The PEEK insulated wire processing process according to claim 2, characterized in that, when the raw material for the core wire is a molded soft rectangular conductor, the core wire is preheated directly after being fed out; when the raw material for the core wire is a round conductor, the rounding step, rolling step, and flat drawing step must be performed in order before preheating; and when the raw material for the core wire is an extruded rectangular conductor, the flat drawing step must be performed before preheating.
4. The PEEK insulated wire processing process according to claim 3, characterized in that, when the raw material for the core wire is a round conductor or an extruded rectangular conductor, after the flattening is completed, it is washed, blow-dried and / or bake-dried after washing, and after the surface is dry, an annealing treatment is performed.
5. The PEEK insulated wire processing process according to claim 1, characterized in that a sliding rod (26) is fixedly connected to each of the upper coating thickness measuring device (22), lower coating thickness measuring device (23), left coating thickness measuring device (24), and right coating thickness measuring device (25), each of the sliding rods (26) is slidably mounted on a fixed frame (21) toward the center, and contact rings (27) that contact the PEEK insulated wire are provided on both the front and rear sides of each of the upper coating thickness measuring device (22), lower coating thickness measuring device (23), left coating thickness measuring device (24), and right coating thickness measuring device (25), each of the contact rings (27) is connected to the corresponding sliding rod (26) by a connecting frame (28), and each of the sliding rods (26) is locked to the fixed frame (21) by a locking member (29).
6. The PEEK insulated wire processing process according to claim 1, wherein the eccentricity adjustment device (1) further includes a processor (14), and the upper coating thickness measuring device (22), lower coating thickness measuring device (23), left coating thickness measuring device (24), right coating thickness measuring device (25), first drive member (121), and second drive member (131) are each connected to the processor (14) by signal.
7. The eccentricity adjustment device (1) is, Step S1 involves adjusting each sliding rod (26) so that each of the four sides of the PEEK insulated wire contacts the corresponding contact ring (27) according to the specifications and dimensions of the PEEK insulated wire's cross-section, and then locking each sliding rod (26) after holding the PEEK insulated wire so that it is centered on the fixing frame (21). Step S2 involves the upper coating thickness measuring device (22), lower coating thickness measuring device (23), left coating thickness measuring device (24), and right coating thickness measuring device (25) simultaneously measuring the thickness on all four sides of the coating of the PEEK insulated wire, with the thickness value measured by the upper coating thickness measuring device (22) being defined as a, the thickness value measured by the lower coating thickness measuring device (23) being defined as b, the thickness value measured by the left coating thickness measuring device (24) being defined as c, and the thickness value measured by the right coating thickness measuring device (25) being defined as d. Step S3 involves transmitting the thickness values a, b, c, and d measured by the top coating thickness measuring device (22), the bottom coating thickness measuring device (23), the left coating thickness measuring device (24), and the right coating thickness measuring device (25) to the processor (14) as signals. Step S4 involves the processor (14) calculating the required displacement H of the vertical movement unit (13) based on the equation H = p * (a - b) / 2, calculating the required displacement X of the horizontal movement unit (12) based on the equation X = p * (c - d) / 2, and transmitting the values X and H to the first drive member (121) and the second drive member (131) by signal, respectively. When H < 0, the second drive member (131) drives the vertical movement unit (13) downward; when H = 0, the vertical movement unit (13) is held in its original position; and when H > 0, the second drive member (131) drives the vertical movement unit (13) upward, with the movement distance being p・|(a-b) / 2| in all cases. When X < 0, the first drive member (121) drives the horizontal movement unit (12) to move to the right; when X = 0, the horizontal movement unit (12) is held in its original position; and when X > 0, the first drive member (121) drives the horizontal movement unit (12) to move to the left, with the movement distance being p・|(c-d) / 2| in all cases. The PEEK insulated wire processing process according to claim 6, characterized in that the eccentricity of the coating film of the PEEK insulated wire is adjusted using step S5, in which p is an adjustment coefficient greater than 1.