Replaceable tip precision milling cutter for circuit board

Abstract

The utility model relates to the technical field of milling machining, concretely to line board precision milling cutter of replaceable tool bit, including tool bit and tool bar, the one end center of tool bit is installed with the plug -in rod, the side of plug -in rod is installed with the limiting rod perpendicularly, the upper end center of tool bar is seted up with the spigot, the side of spigot is seted up with the limiting mouth, when the plug -in rod is inserted with spigot and cooperates, limiting rod slides into the inboard of limiting mouth, and the both sides of tool bar are installed with the limiting component. In this line board precision milling cutter of replaceable tool bit, the plug -in rod is seted up in the one end center of tool bit, and the limiting rod is installed perpendicularly in the side, and the spigot and limiting mouth are seted up correspondingly in tool bar, and after the plug -in cooperation of both, limiting component will block limiting rod in limiting mouth. This structure design makes the tool bit replacement process extremely simple, only needs to insert the plug -in rod into the spigot, and promotes limiting rod to slide into limiting mouth, and can complete installation through limiting component fixedly, and when disassembling, reverse operation, and the tool bit replacement time is greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of milling technology, and more specifically, to a precision milling cutter for circuit boards with replaceable cutting heads. Background Technology

[0002] In the field of electronics manufacturing, circuit boards are a key component of electronic devices, and their machining accuracy directly affects the performance and reliability of the equipment. Precision milling of circuit boards places extremely stringent requirements on the performance of milling cutters.

[0003] Taking the patent with application number 201420781975.8 as an example, the circuit board milling cutter involved in this patent has revealed many problems in practical applications. The milling cutter structure in this patent has a relatively complicated replacement process after the cutter head wears down. Its cutter head and cutter shank are not conveniently replaceable designs. When the cutter head wears down and needs to be replaced, the operator has to spend a lot of time disassembling multiple parts of the milling cutter. Moreover, the assembly accuracy requirements during the reassembly process are extremely high. Even a slight deviation will affect the overall performance of the milling cutter, which undoubtedly greatly reduces production efficiency and increases production time costs.

[0004] From the perspective of machining accuracy, this patented milling cutter falls short when facing the demands of high-precision circuit board machining. As electronic products continue to evolve towards miniaturization and high integration, the lines and components on circuit boards are becoming increasingly intricate and dense. During machining, due to its inherent structural characteristics, this milling cutter is prone to relative displacement or vibration between the cutter shank and the cutter head when subjected to cutting forces. This makes it difficult to consistently guarantee milling accuracy, resulting in deviations in the fine lines of the machined circuit boards. Consequently, it fails to meet the current demands of high-precision circuit board machining for electronic products, thus affecting product quality and yield. Utility Model Content

[0005] The purpose of this invention is to provide a precision milling cutter for circuit boards with replaceable cutting heads, thereby solving the problem mentioned in the background art where the replacement process after the cutting head wears is quite complicated. The cutting head and shank are not conveniently replaceable designs. When the cutting head wears and needs replacement, operators must spend a significant amount of time disassembling multiple parts of the milling cutter. Furthermore, the reassembly process requires extremely high assembly precision; even slight deviations can affect the overall performance of the milling cutter. This undoubtedly greatly reduces production efficiency and increases production time costs.

[0006] To achieve the above objectives, this utility model provides a precision milling cutter for circuit boards with replaceable cutting heads, including a cutting head and a cutting shank. A plug is installed at the center of one end of the cutting head, and a limit rod is vertically installed on the side of the plug. A socket is opened at the center of the upper end of the cutting shank, and a limit opening is opened on the side of the socket. When the plug is inserted into the socket, the limit rod slides into the limit opening. Limiting components are installed on both sides of the cutting shank, and the ends of the limiting components are located inside the limit opening, blocking the limit rod inside the limit opening.

[0007] This design involves installing a insertion rod at the center of one end of the cutter head and a limiting rod on the side. The cutter shank has corresponding insertion and limiting openings. Initial positioning is achieved through the insertion of the insertion rod into the insertion opening. After the limiting rod slides into the limiting opening, it is further secured within the opening by limiting components on both sides of the cutter shank, thus ensuring a stable connection between the cutter head and the cutter shank. This structural design, based on the principles of insertion and limiting, provides a fundamental method for replacing and securing the cutter head.

[0008] Preferably, the lower end of the tool holder is provided with a connecting part for connecting to the spindle of the milling equipment, and the connecting part adopts a standard tool holder interface form.

[0009] The connecting part at the lower end of the cutter bar adopts the standard tool holder interface form. Based on the design principle of standardized interfaces in the mechanical manufacturing field, this ensures that the milling cutter can be adapted and connected to the spindle of a standard milling equipment to achieve power transmission and installation fixation.

[0010] Preferably, an arc-shaped protrusion made of silicone material is installed on the outer side of the middle part of the limiting rod, and an arc-shaped opening is provided on the inner side wall of the middle part of the limiting port. When the limiting rod slides into the inner side of the limiting port, the arc-shaped protrusion engages with the arc-shaped opening.

[0011] This feature involves installing an arc-shaped protrusion made of silicone material on the outer side of the middle part of the limiting rod, and opening an arc-shaped opening on the inner side wall of the middle part of the limiting port. Utilizing the elasticity of the silicone material and the fitting principle of the arc structure, when the limiting rod slides into the limiting port, the arc-shaped protrusion is squeezed and deformed and then tightly engaged with the arc-shaped opening, forming an additional limiting and anti-loosening structure.

[0012] Preferably, the end of the limiting component is located at the upper part of the arc-shaped opening to block and limit the limiting rod.

[0013] This design places the end of the limiting component at the top of the arc-shaped opening. Based on the principle of blocking and limiting in mechanics, when the limiting rod slides into the limiting opening and engages with the arc-shaped opening, the end of the limiting component forms an upward blocking force on the limiting rod, preventing the limiting rod from coming out of the limiting opening and further enhancing the connection stability between the cutter head and the cutter bar.

[0014] Preferably, the limiting component adopts a threaded rod structure, with a screwing end installed at one end, and threaded holes are opened on both outer walls of the tool bar, and the limiting component is threadedly connected to the threaded holes.

[0015] This setting limit component adopts a threaded rod structure, which is threadedly connected to the threaded holes on both sides of the outer wall of the tool holder. Based on the principle of thread transmission and fastening, by turning the screw end of the limit component, the position of the end of the limit component in the limit opening can be adjusted, thereby realizing the fastening and loosening of the limit rod, thus facilitating the installation and disassembly of the tool head.

[0016] Preferably, the cutting head is made of cemented carbide material, and the cutting edge of the cutting head is coated with a titanium nitride coating to improve the wear resistance and cutting performance of the cutting head.

[0017] This tool head is made of cemented carbide, which has high hardness and good wear resistance, meeting the requirements of precision milling of circuit boards for tool material strength and wear resistance. The cutting edge is treated with titanium nitride coating. Based on the principle of coating technology, a high-hardness, low-friction coefficient coating is formed on the surface of the tool head, which further improves the wear resistance, corrosion resistance and cutting performance of the tool head.

[0018] Preferably, the length of the limiting port is greater than the length of the limiting rod, and the difference between the two is in the range of 2-5mm, so that the limiting rod can slide smoothly into the limiting port while ensuring the limiting effect.

[0019] The length of the limiting opening is greater than the length of the limiting rod, and the difference is controlled within 2-5mm. Based on the tolerance matching principle in the assembly process, a certain gap is reserved to facilitate the smooth sliding of the limiting rod into the limiting opening. At the same time, this difference can ensure that the limiting rod has sufficient limiting length within the limiting opening to ensure the limiting effect.

[0020] Preferably, the cutter head and the insert rod are integrally formed, which improves the strength and reliability of the connection between the cutter head and the insert rod.

[0021] This design incorporates a one-piece molding structure for the cutter head and insert rod. Based on the principles of material forming and mechanical structural strength, the one-piece molding process eliminates the connection gaps and weak points between the cutter head and insert rod, making them a unified whole and improving the strength and reliability of the connection.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] In this precision milling cutter for circuit boards with replaceable heads, a insertion rod is set at the center of one end of the cutter head, and a limiting rod is vertically installed on the side. The cutter head has corresponding insertion and limiting openings. After the two are inserted and engaged, the limiting component blocks the limiting rod within the limiting opening. This structural design makes the cutter head replacement process extremely simple. Just insert the insertion rod into the insertion hole, push the limiting rod into the limiting opening, and then fix it with the limiting component to complete the installation. Disassembly is done in reverse, which greatly reduces the cutter head replacement time. Unlike the comparative patent, it does not require disassembling multiple parts, reduces the dependence on assembly accuracy, significantly improves production efficiency, and effectively reduces production time costs.

[0024] The silicone arc-shaped protrusion on the outer side of the middle of the limiting rod engages with the arc-shaped opening on the inner sidewall of the limiting port. Simultaneously, the end of the limiting component is positioned above the arc-shaped opening for blocking and limiting. This multi-limiting structure greatly enhances the stability of the connection between the cutter head and the tool holder. During milling, even under significant cutting force, the cutter head is less prone to relative displacement or vibration with the tool holder, ensuring stable milling accuracy. This effectively prevents deviations in fine lines on the machined circuit board, meeting the demands of miniaturization and high integration in electronic products for high-precision circuit board machining, and improving product quality and yield.

[0025] The cutter head is made of cemented carbide and features a titanium nitride coating on the cutting edge, giving it excellent wear resistance and cutting performance. This allows it to process various circuit boards made of different materials, such as fiberglass boards and resin boards, reducing excessive wear caused by material differences. Furthermore, the integrated design of the cutter head and insert further enhances the strength and reliability of the connection, extending the service life of both the cutter head and the overall milling cutter and reducing the cost of frequent cutter replacements. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the end structure of the cutter head in this utility model;

[0028] Figure 3 This is a schematic diagram of the end structure of the tool holder in this utility model;

[0029] Figure 4 This is a schematic diagram of the internal structure of the tool holder in this utility model;

[0030] Figure 5 This is a schematic diagram of the internal structure of the limiting port in this utility model;

[0031] The meanings of the labels in the diagram are as follows:

[0032] 1. Cutting head; 11. Insertion rod; 12. Limiting rod; 121. Arc-shaped protrusion; 2. Cutting bar; 21. Insertion port; 22. Limiting port; 221. Arc-shaped port; 3. Limiting component; 4. Connecting part. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] This utility model provides a precision milling cutter for circuit boards with replaceable cutting heads, such as... Figure 1 , Figure 2 , Figure 3 As shown, the tool includes a cutter head 1 and a cutter bar 2. A plug rod 11 is installed at the center of one end of the cutter head 1. A limiting rod 12 is vertically installed on the side of the plug rod 11. A socket 21 is opened at the center of the upper end of the cutter bar 2. A limiting port 22 is opened on the side of the socket 21. When the plug rod 11 is inserted into the socket 21, the limiting rod 12 slides into the inside of the limiting port 22. Limiting components 3 are installed on both sides of the cutter bar 2. The end of the limiting component 3 is located inside the limiting port 22, blocking the limiting rod 12 inside the limiting port 22.

[0035] By installing a insertion rod 11 at the center of one end of the cutter head 1 and setting a limiting rod 12 on the side, and correspondingly opening a slot 21 and a limiting port 22 on the cutter shank 2, the insertion rod 11 and the slot 21 are used to achieve initial positioning. After the limiting rod 12 slides into the limiting port 22, the limiting components 3 on both sides of the cutter shank 2 block and fix the limiting rod 12 within the limiting port 22, thereby achieving a stable connection between the cutter head 1 and the cutter shank 2. This structural design, based on the principle of insertion and limiting, provides a basic method for the replacement and fixation of the cutter head 1. It allows the cutter head 1 to be easily separated and assembled from the cutter shank 2, solving the problem of complex replacement of traditional milling cutter heads, significantly shortening the replacement time of the cutter head 1, and improving production efficiency. At the same time, the stable connection method ensures that the cutter head 1 will not easily loosen during milling, enhancing the overall stability of the milling cutter and helping to ensure machining accuracy.

[0036] In this embodiment, as Figure 1 As shown, the lower end of the tool holder 2 is provided with a connecting part 4 for connecting with the spindle of the milling equipment. The connecting part 4 adopts a standard tool holder interface form.

[0037] The connecting part 4 at the lower end of the cutter holder 2 adopts a standard tool holder interface. Based on the design principles of standardized interfaces in the mechanical manufacturing field, this ensures that the milling cutter can be adapted and connected to the spindle of a standard milling machine, realizing power transmission and installation fixation. This enhances the versatility of the milling cutter, making it compatible with various brands and models of milling equipment, eliminating the need to customize a special milling cutter for each machine, and reducing the cost of equipment replacement and maintenance for enterprises. At the same time, the standardized interface facilitates quick installation and disassembly, further improving the convenience and efficiency of production operations.

[0038] Specifically, such as Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, an arc-shaped protrusion 121 of silicone material is installed on the outer side of the middle part of the limiting rod 12, and an arc-shaped opening 221 is opened on the inner side wall of the middle part of the limiting port 22. When the limiting rod 12 slides into the inner side of the limiting port 22, the arc-shaped protrusion 121 and the arc-shaped opening 221 are engaged and cooperated.

[0039] An arc-shaped protrusion 121 made of silicone material is installed on the outer side of the middle part of the limiting rod 12. An arc-shaped opening 221 is opened on the inner side wall of the middle part of the limiting port 22. Utilizing the elasticity of the silicone material and the fitting principle of the arc structure, when the limiting rod 12 slides into the limiting port 22, the arc-shaped protrusion 121 is squeezed and deformed and tightly engaged with the arc-shaped opening 221, forming an additional limiting and anti-loosening structure. This effectively enhances the stability of the connection between the cutter head 1 and the cutter shank 2, further preventing the cutter head 1 from loosening or displacing due to cutting forces, vibrations, and other factors during milling. The elasticity of the silicone material also plays a certain buffering role, reducing the impact of vibrations generated during cutting on the connection between the cutter head 1 and the cutter shank 2, extending the service life of the milling cutter, and ensuring machining accuracy.

[0040] Furthermore, such as Figure 4 As shown, the end of the limiting component 3 is located at the upper part of the arc-shaped opening 221, blocking and limiting the limiting rod 12.

[0041] The end of the limiting component 3 is positioned at the upper part of the arc-shaped opening 221. Based on the principle of blocking and limiting in mechanics, when the limiting rod 12 slides into the limiting opening 22 and engages with the arc-shaped opening 221, the end of the limiting component 3 forms an upward blocking force on the limiting rod 12, preventing the limiting rod 12 from coming out of the limiting opening 22, and further enhancing the connection stability between the cutter head 1 and the tool holder 2. This further improves the reliability of the connection between the cutter head 1 and the tool holder 2, ensuring that the cutter head 1 remains stable under complex milling conditions, avoiding machining errors caused by the loosening of the cutter head 1, improving the quality and stability of precision milling of circuit boards, and reducing the scrap rate.

[0042] Furthermore, the limiting component 3 adopts a threaded rod structure, with a screwing end installed at one end, and threaded holes are opened on both outer walls of the tool bar 2, and the limiting component 3 is threadedly connected to the threaded holes.

[0043] The limiting component 3 adopts a threaded rod structure, with threaded holes on both sides of the outer wall of the cutter shank 2. Based on the principle of threaded transmission and fastening, by screwing one end of the limiting component 3, the position of the end of the limiting component 3 within the limiting port 22 can be adjusted, thereby achieving the fastening and loosening of the limiting rod 12, thus facilitating the installation and removal of the cutter head 1. This provides a simple, reliable, and easy-to-operate limiting and fixing method. Operators can precisely adjust the tightness of the limiting component 3 according to actual needs, ensuring the stability of the cutter head 1 connection while allowing easy disassembly when the cutter head 1 needs to be replaced. The threaded connection structure also has good self-locking performance, preventing the limiting component 3 from loosening on its own due to vibration or other factors during milling, ensuring the reliability of the milling cutter's operation.

[0044] Furthermore, the cutting head 1 is made of cemented carbide material, and the cutting edge of the cutting head 1 is coated with titanium nitride coating to improve the wear resistance and cutting performance of the cutting head 1.

[0045] The cutting head 1 is made of cemented carbide, utilizing its high hardness and excellent wear resistance to meet the strength and wear resistance requirements of precision milling tools for circuit boards. The cutting edge is treated with a titanium nitride coating. Based on coating technology principles, a high-hardness, low-friction coefficient coating is formed on the surface of the cutting head 1, further improving its wear resistance, corrosion resistance, and cutting performance. This significantly increases the service life of the cutting head 1, reduces the frequency of replacement due to wear, and lowers production costs. Simultaneously, the excellent cutting performance makes the milling process smoother, enabling more precise machining of intricate circuits and structures on the circuit board, improving the machining quality and production efficiency of the circuit board, and meeting the demands of the continuous miniaturization and high integration of electronic products.

[0046] Furthermore, such as Figure 2 , Figure 3 As shown, the length of the limiting port 22 is greater than the length of the limiting rod 12, and the difference between the two is in the range of 2-5mm, so that the limiting rod 12 can slide smoothly into the limiting port 22 while ensuring the limiting effect.

[0047] The length of the limiting opening 22 is greater than the length of the limiting rod 12, with the difference controlled within 2-5mm. Based on the tolerance fit principle in the assembly process, a certain gap is reserved to facilitate the smooth sliding of the limiting rod 12 into the limiting opening 22. At the same time, this difference ensures that the limiting rod 12 has sufficient limiting length within the limiting opening 22, ensuring the limiting effect. This makes the installation process of the cutter head 1 smoother, reduces the installation difficulty, and improves the installation efficiency. The reasonable length difference ensures that the limiting rod 12 and the limiting opening 22 can achieve both flexible sliding fit and reliable limiting function. While ensuring a stable connection of the cutter head 1, it avoids installation difficulties due to excessively small gaps or affecting the limiting effect due to excessively large gaps, thus ensuring the overall stability and machining accuracy of the milling cutter.

[0048] Furthermore, such as Figure 2 As shown, the cutter head 1 and the insert rod 11 are integrally formed, which improves the strength and reliability of the connection between the cutter head 1 and the insert rod 11.

[0049] The cutter head 1 and the insert rod 11 adopt a one-piece molding structure. Based on the principles of material forming and mechanical structural strength, the one-piece molding process eliminates the connection gaps and weak points between the cutter head 1 and the insert rod 11, making them a whole and improving the strength and reliability of the connection. This effectively enhances the impact and fatigue resistance of the connection between the cutter head 1 and the insert rod 11, enabling it to withstand greater cutting forces and vibrations during milling, reducing the occurrence of cutter head 1 failure due to damage to the connection. At the same time, the one-piece molding structure also helps to ensure the accuracy and stability of the cutter head 1, improving the overall performance and service life of the milling cutter, and providing a more reliable guarantee for precision milling of circuit boards.

[0050] When using the replaceable-head precision milling cutter for circuit boards of this utility model, before installing the milling cutter onto the spindle of the milling equipment, first check whether the cutter head 1 and the tool holder 2 are intact and undamaged, and ensure that the limiting component 3 is in an adjustable state. At the same time, confirm that the interface of the milling equipment spindle matches the standard tool holder interface of the lower end connecting part 4 of the tool holder 2.

[0051] Align the insertion rod 11 of the cutter head 1 with the insertion port 21 of the cutter bar 2 and slowly insert it, ensuring a tight fit between the insertion rod 11 and the insertion port 21 for initial positioning. During insertion, the limiting rod 12 simultaneously slides into the limiting port 22. When the limiting rod 12 reaches the middle of the limiting port 22, the silicone arc-shaped protrusion 121 on the limiting rod 12 contacts the arc-shaped opening 221 in the middle of the limiting port 22. As the limiting rod 12 continues to slide in, the arc-shaped protrusion 121 deforms under pressure and tightly engages with the arc-shaped opening 221. Then, by screwing the screw end of the limiting component 3, the end of the limiting component 3 moves downwards to the upper part of the arc-shaped opening 221, blocking and limiting the limiting rod 12, thus completing the stable connection between the cutter head 1 and the cutter bar 2.

[0052] The assembled milling cutter is connected to the standard interface of the milling machine spindle via the connecting part 4 at the lower end of the cutter holder 2, ensuring a firm connection to achieve stable power transmission from the milling machine spindle to the milling cutter.

[0053] The milling equipment is started, and the spindle drives the milling cutter to rotate at high speed. The cutter head 1, made of cemented carbide and coated with titanium nitride, performs precision milling on the circuit board with high wear resistance and excellent cutting performance. During the machining process, the multiple limiting structures between the cutter head 1 and the cutter holder 2 effectively resist the effects of cutting forces and vibrations, maintaining the stability of the cutter head 1 and thus ensuring high precision in the circuit board machining.

[0054] When the cutter head 1 is worn and needs to be replaced, first, rotate the screw end of the limiting component 3 in the opposite direction to move the end of the limiting component 3 upward, releasing the obstruction of the limiting rod 12. Due to the elasticity of the silicone arc-shaped protrusion 121, after the obstruction of the limiting component 3 is released, the cutter head 1 can be pulled upward, causing the insertion rod 11 to disengage from the insertion port 21, and the limiting rod 12 to slide out from the limiting port 22, completing the disassembly of the old cutter head 1. Then, reinstall the new cutter head 1 onto the cutter holder 2 according to the cutter head installation steps described above, and the precision milling of the circuit board can continue.

[0055] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A precision milling cutter for circuit boards with replaceable cutting heads, comprising a cutting head (1) and a cutting shank (2), characterized in that: A plug rod (11) is installed at the center of one end of the cutter head (1). A limiting rod (12) is vertically installed on the side of the plug rod (11). A socket (21) is opened at the center of the upper end of the cutter bar (2). A limiting port (22) is opened on the side of the socket (21). When the plug rod (11) is inserted into the socket (21), the limiting rod (12) slides into the inside of the limiting port (22). Limiting components (3) are installed on both sides of the cutter bar (2). The end of the limiting component (3) is located inside the limiting port (22), blocking the limiting rod (12) inside the limiting port (22).

2. The circuit board precision milling cutter with replaceable cutting head according to claim 1, characterized in that: The lower end of the tool holder (2) is provided with a connecting part (4) for connecting with the spindle of the milling equipment. The connecting part (4) adopts the standard tool holder interface form.

3. The circuit board precision milling cutter with replaceable cutting head according to claim 1, characterized in that: An arc-shaped protrusion (121) of silicone material is installed on the outer side of the middle part of the limiting rod (12), and an arc-shaped opening (221) is opened on the inner side wall of the middle part of the limiting port (22). When the limiting rod (12) slides into the inner side of the limiting port (22), the arc-shaped protrusion (121) and the arc-shaped opening (221) engage and cooperate.

4. The circuit board precision milling cutter with replaceable cutting head according to claim 3, characterized in that: The end of the limiting component (3) is located above the arc-shaped opening (221) to block and limit the limiting rod (12).

5. The circuit board precision milling cutter with replaceable cutting head according to claim 4, characterized in that: The limiting component (3) adopts a threaded rod structure, with a screwing end installed at one end. Threaded holes are opened on both sides of the outer wall of the tool bar (2), and the limiting component (3) is threadedly connected to the threaded hole.

6. The circuit board precision milling cutter with replaceable cutting head according to claim 1, characterized in that: The cutting head (1) is made of cemented carbide material, and the cutting edge of the cutting head (1) is coated with titanium nitride coating to improve the wear resistance and cutting performance of the cutting head (1).

7. The circuit board precision milling cutter with replaceable cutting head according to claim 1, characterized in that: The length of the limiting port (22) is greater than the length of the limiting rod (12), and the difference between the two is 2-5mm, so that the limiting rod (12) can slide smoothly into the limiting port (22) while ensuring the limiting effect.

8. The circuit board precision milling cutter with replaceable cutting head according to claim 1, characterized in that: The cutter head (1) and the insert rod (11) are integrally formed, which improves the strength and reliability of the connection between the cutter head (1) and the insert rod (11).

Images