CN110153475B - Numerical control milling tool capable of reducing workpiece deformation - Google Patents
Numerical control milling tool capable of reducing workpiece deformation Download PDFInfo
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- CN110153475B CN110153475B CN201910539635.1A CN201910539635A CN110153475B CN 110153475 B CN110153475 B CN 110153475B CN 201910539635 A CN201910539635 A CN 201910539635A CN 110153475 B CN110153475 B CN 110153475B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
Abstract
The invention relates to a numerical control milling tool capable of reducing workpiece deformation, which comprises a platen, a moving frame, an electric slider and a milling mechanism, wherein the moving frame is installed at the upper end of the platen, the electric slider is installed at the lower end of the moving frame, the milling mechanism is installed at the lower end of the electric slider, the milling mechanism comprises a driving motor, a driving connecting piece, a tool handle, a milling cutter and a cooling branch chain, the driving connecting piece comprises a connecting cap, a pressing frame, an auxiliary motor and an auxiliary rod, the cooling branch chain comprises a rotating block, a liquid spraying barrel, a liquid outlet head and a liquid storage device, and the liquid spraying barrel comprises a barrel body, a piston rod. In the milling mechanism, all parts are connected in a detachable mode, so that the parts are convenient to disassemble, replace and maintain, and in the milling process, the cooling branched chain can effectively reduce the temperature of the milling cutter, reduce the thermal deformation degree caused by overhigh temperature to work and improve the processing quality.
Description
Technical Field
The invention relates to the field of milling equipment, in particular to a numerical control milling tool capable of reducing workpiece deformation.
Background
Milling is to fix the blank, feed the blank with a high-speed rotating milling cutter, and cut the desired shape and features. Traditional milling is mostly used for milling simple appearance characteristics such as contours and grooves, and a numerical control milling machine can process complex appearance and characteristics, so that the numerical control milling machine is more and more widely applied.
When thin-wall type workpieces are processed, the thin-wall type workpieces have complex structures and low relative rigidity, so the following problems exist in the processing process:
(1) under the action of cutting force, cutting heat, clamping force and stress, sheet parts are easy to generate distortion deformation, once the deformation exceeds the allowable range, the product quality cannot be guaranteed, and in order to reduce the deformation degree of a workpiece, cooling liquid is required to be used for cooling the workpiece and a milling cutter in the milling process.
(2) The spraying range of the existing cooling liquid is not accurate enough in the using process, the using amount of the cooling liquid is increased, the cooling liquid is often attached to the surface of a workpiece, and then the workpiece is cleaned by workers, so that unnecessary troubles are added.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the numerical control milling tool capable of reducing the deformation of the workpiece.
The technical scheme adopted by the invention to solve the technical problem is as follows: a numerical control milling tool capable of reducing workpiece deformation comprises a platen, a moving frame, an electric sliding block and a milling mechanism, wherein the moving frame is mounted at the upper end of the platen, the electric sliding block is mounted at the lower end of the moving frame, the milling mechanism is mounted at the lower end of the electric sliding block, and the structure, the principle and the control method of the electric sliding block are the prior art; wherein:
the movable frame comprises two vertical plates and electric sliding plates, the two vertical plates are symmetrically arranged at the upper end of the bedplate in the left-right direction, the electric sliding plates are arranged between the two vertical plates in a sliding fit mode, and electric sliding blocks are arranged on the electric sliding plates in a sliding fit mode; the structure, the principle and the control method of the electric sliding plate are the prior art, and the position of the milling mechanism is moved by the mutual matching of the electric sliding plate and the electric sliding block so as to complete the milling work.
The milling mechanism comprises a driving motor, a driving connecting piece, a cutter handle, a milling cutter and a cooling branched chain, wherein the driving motor is installed at the lower end of an electric slider through a motor base, the driving connecting piece is installed on an output shaft of the driving motor, the lower end of the driving connecting piece is connected with the upper end of the cutter handle, the milling cutter is installed at the lower end of the cutter handle in a detachable mode and is divided into a cutter holder and a blade, the cutter holder is of a hollow cylindrical structure with an upper opening, cooling ports and the blade are distributed on the outer wall of the cutter holder, the cooling ports and the blade are uniformly distributed along the circumferential direction of the cutter holder, the cooling ports and the blade are arranged alternately, the cutter handle is of a hollow cylindrical structure with upper and lower openings, the; the structure, the principle and the control method of the driving motor are the prior art, the driving motor drives the milling mechanism to rotate so as to complete milling processing of the workpiece, the driving connecting frame is detachably connected with the tool handle, the tool handle is detachably connected with the milling cutter, and the milling cutter is detachably connected with the cooling branched chain so as to conveniently detach, replace and maintain each part.
The driving connecting piece comprises a connecting cap, a pressing frame, an auxiliary motor and an auxiliary rod, the connecting cap is installed at the upper end of the cutter handle through threads, the pressing frame is installed at the lower end of the connecting cap through a bearing and is of a structure capable of extending up and down, the auxiliary motor is installed at the lower end of the pressing frame through a motor base, an output shaft of the auxiliary motor is connected with the upper end of the auxiliary rod through a coupler, and a cooling branched chain is arranged at the lower end of the auxiliary rod; the structure, the principle and the control method of the auxiliary motor are the prior art, after the connecting block at the lower end of the auxiliary rod is aligned to the connecting groove in the rotating block, the connecting cap is rotated in a manual mode, so that the lower end of the connecting cap can be tightly connected with the upper end of the cutter handle, and the length of the pressing frame is compressed to the minimum, so that the pressing frame can compress the liquid storage device, the liquid storage device is prevented from loosening in the working process, the auxiliary motor can drive the rotating block at the lower end of the auxiliary rod to rotate, and the purpose of driving cooling liquid to spray is achieved.
As a preferred technical scheme of the invention, the cooling branched chain comprises a rotating block, a liquid spraying barrel, liquid outlets and liquid reservoirs, wherein the upper end of the rotating block is provided with a connecting groove which is tightly attached to the lower end of an auxiliary rod, the lower end of the rotating block is arranged on the inner wall of a milling cutter through a bearing, the liquid spraying barrel is arranged on the outer side of the rotating block, the positions of the liquid spraying barrel and the positions of cooling ports are in one-to-one correspondence, the top end of the liquid spraying barrel is connected with the bottom end of the liquid outlets, the liquid outlets and the liquid spraying barrel are both arranged on the side wall of the milling cutter, the liquid reservoirs are uniformly arranged at; in the rotating process of the rotating block, the liquid spraying barrel is sequentially driven to perform spraying operation, so that cooling liquid is sprayed out from the liquid outlet head, the aim of cooling the milling cutter blade is fulfilled, and after the liquid is sprayed every time, the liquid storage device can supplement the cooling liquid in the liquid spraying barrel, so that the blade can be continuously cooled in the milling process.
As a preferred technical scheme of the invention, the liquid spraying barrel comprises a barrel body, a piston rod, a reset spring and a shielding piece, wherein the barrel body is installed on the inner wall of the milling cutter in a threaded connection mode, a liquid inlet is formed in the upper end of the barrel body, the interior of the barrel body is tightly attached to the top end of the piston rod in a sliding fit mode, the bottom end of the piston rod is connected with the barrel reset spring between the outer wall of the barrel body, and the shielding piece is installed on the side wall of the top end; the rotating block drives the piston rod to perform reciprocating linear motion in the cylinder in the rotating process, when the piston rod compresses gas in the cylinder, the shielding piece shields the liquid inlet, cooling liquid in the liquid storage device cannot enter the cylinder, and when the return spring drives the piston rod to perform reverse motion, the cooling liquid can enter the cylinder from the liquid storage device, so that the aim of repeatedly spraying and supplementing cooling in the cylinder is fulfilled.
As a preferred technical scheme of the invention, the liquid outlet head comprises a mounting cap and a liquid outlet pipe, the mounting cap is mounted on the inner wall of the cooling port through threads, the side wall of the mounting cap is uniformly provided with the liquid outlet along the circumferential direction, and the liquid outlet pipe is mounted outside the liquid outlet; after the liquid outlet head is carried out on the cooling liquid sprayed out of the barrel, the cooling liquid is finally sprayed out of the liquid outlet pipes in different directions, so that the aim of cooling the milling cutter blade is fulfilled.
As a preferred technical scheme of the invention, the lower end of the auxiliary rod is uniformly provided with connecting blocks along the circumferential direction, and the shapes of the connecting blocks are matched with those of the connecting grooves.
As a preferred technical scheme of the invention, the lower end of the liquid storage device is provided with a liquid conveying pipe, the liquid conveying pipe is clamped in the liquid inlet, the upper end of the liquid storage device is provided with a liquid injection pipe, the liquid injection pipe is positioned in the liquid inlet, and the side wall of the liquid storage device is provided with a convex plate.
As a preferred technical scheme of the invention, the lower end of the compressing frame is tightly attached to the upper end of the convex plate, compressing ports are uniformly formed in the side wall of the lower end of the compressing frame along the circumferential direction of the compressing frame, the positions of the compressing ports correspond to the positions of the liquid reservoirs one by one, and the side wall of the compressing frame is tightly attached to the compressing ports.
As a preferable technical solution of the present invention, the driving motor and the auxiliary motor rotate in opposite directions.
Compared with the prior art, the invention has the following advantages:
1. according to the numerical control milling tool capable of reducing workpiece deformation, parts of a milling mechanism are mostly connected in a detachable mode, so that the parts can be conveniently detached, replaced and maintained, in the milling process, the temperature of a milling cutter can be effectively reduced through a cooling branched chain, the thermal deformation degree of a thin-wall workpiece caused by overhigh temperature can be reduced, and the processing quality is improved;
2. the driving connecting piece can prevent the liquid accumulator from loosening in the working process, and the auxiliary motor drives the rotating block at the lower end of the auxiliary rod to rotate so as to achieve the aim of driving cooling liquid to spray;
3. the cooling branch chain arranged in the invention can realize the functions of repeatedly spraying and supplementing the cooling in the cylinder body so as to continuously cool the blade in the milling process, and has accurate spraying range and less cooling liquid consumption.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the milling cutter, cooling branches and auxiliary rods of the present invention;
FIG. 3 is a schematic plan view of the milling cutter, cooling branches and auxiliary rods of the present invention;
FIG. 4 is a cross-sectional view of the present invention between the motorized slide and the milling mechanism;
FIG. 5 is an enlarged view of the N-direction portion of FIG. 4 according to the present invention;
fig. 6 is a schematic plan view of the knife handle, the pressing frame and the reservoir according to the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 6.
A numerical control milling tool capable of reducing workpiece deformation comprises a platen 1, a moving frame 2, an electric slider 3 and a milling mechanism 4, wherein the moving frame 2 is installed at the upper end of the platen 1, the electric slider 3 is installed at the lower end of the moving frame 2, the milling mechanism 4 is installed at the lower end of the electric slider 3, and the structure, the principle and the control method of the electric slider 3 are the prior art; wherein:
the movable frame 2 comprises vertical plates 21 and electric sliding plates 22, the number of the vertical plates 21 is two, the two vertical plates 21 are symmetrically arranged at the upper end of the bedplate 1 in a left-right mode, the electric sliding plates 22 are arranged between the two vertical plates 21 in a sliding fit mode, and the electric sliding plates 3 are arranged on the electric sliding plates 22 in a sliding fit mode; the structure, the principle and the control method of the electric sliding plate 22 are the prior art, and the position of the milling mechanism 4 is moved through the mutual matching of the electric sliding plate 22 and the electric sliding block 3 so as to complete the milling work.
The milling mechanism 4 comprises a driving motor 41, a driving connecting piece 42, a cutter handle 43, a milling cutter 44 and a cooling branched chain 45, the driving motor 41 is installed at the lower end of the electric slider 3 through a motor base, the driving connecting piece 42 is installed on an output shaft of the driving motor 41, the lower end of the driving connecting piece 42 is connected with the upper end of the cutter handle 43, the milling cutter 44 is installed at the lower end of the cutter handle 43 in a detachable mode, the milling cutter 44 is divided into a cutter seat and a cutter blade, the cutter seat is of a hollow cylindrical structure with an upper end open, cooling ports and the cutter blade are distributed on the outer wall of the cutter seat, the cooling ports and the cutter blade are uniformly distributed along the circumferential direction of the cutter seat, the cooling ports and the cutter blade are arranged alternately, the cutter handle 43 is of a hollow cylindrical structure with upper and lower; the structure, the principle and the control method of the driving motor 41 are the prior art, the driving motor 41 drives the milling mechanism 4 to rotate so as to complete milling processing of a workpiece, the driving connecting frame 42 and the tool shank 43, the tool shank 43 and the milling cutter 44 and the cooling branched chain 45 are detachably connected so as to conveniently detach, replace and maintain each part, and in the milling process, the cooling branched chain 45 can effectively reduce the temperature of the milling cutter 44, reduce the thermal deformation degree of the thin-wall workpiece caused by overhigh temperature and improve the processing quality.
The driving connecting piece 42 comprises a connecting cap 421, a pressing frame 422, an auxiliary motor 423 and an auxiliary rod 424, the connecting cap 421 is mounted at the upper end of the knife handle 43 through threads, the pressing frame 422 is mounted at the lower end of the connecting cap 421 through a bearing, the pressing frame 422 is of a structure capable of being stretched up and down, the auxiliary motor 423 is mounted at the lower end of the pressing frame 422 through a motor base, an output shaft of the auxiliary motor 423 is connected with the upper end of the auxiliary rod 424 through a coupler, and a cooling branched chain 45 is arranged at the lower end of the auxiliary rod 424; the structure, the principle and the control method of the auxiliary motor 423 are the prior art, after the connecting block at the lower end of the auxiliary rod 424 is aligned with the connecting groove on the rotating block 451, the connecting cap 421 is rotated manually, so that the lower end of the connecting cap can be tightly connected with the upper end of the knife handle 43, and the length of the pressing frame 422 is compressed to the minimum, so that the pressing frame 422 can compress the liquid reservoir 454, the liquid reservoir 454 is prevented from loosening in the working process, the auxiliary motor 423 can drive the rotating block 451 at the lower end of the auxiliary rod 424 to rotate, and the purpose of driving the cooling liquid to spray is achieved.
The cooling branched chain 45 comprises a rotating block 451, a liquid spraying cylinder 452, a liquid outlet head 453 and liquid reservoirs 454, wherein the upper end of the rotating block 451 is provided with a connecting groove, the connecting groove is tightly attached to the lower end of the auxiliary rod 424, the lower end of the rotating block 451 is arranged on the inner wall of a milling cutter 44 through a bearing, liquid spraying cylinders 452 are arranged on the outer side of the rotating block 451, the positions of the liquid spraying cylinders 452 correspond to the positions of cooling ports one by one, the top end of each liquid spraying cylinder 452 is connected with the bottom end of the liquid outlet head 453, the liquid outlet head 453 and the liquid spraying cylinders 452 are both arranged on the side wall of the milling cutter 44, the liquid reservoirs 454 are; in the rotating process of the rotating block 451, the liquid spraying cylinder 452 is sequentially driven to perform spraying operation, so that cooling liquid is sprayed out from the liquid outlet 453 to cool the blade of the milling cutter 44, and after spraying, the liquid reservoir 454 supplements the cooling liquid in the liquid spraying cylinder 452 so as to continuously cool the blade in the milling process.
The liquid spraying cylinder 452 comprises a cylinder body 452a, a piston rod 452b, a return spring 452c and a shielding piece 452d, the cylinder body 452a is mounted on the inner wall of the milling cutter 44 in a threaded connection mode, a liquid inlet is formed in the upper end of the cylinder body 452a, the interior of the cylinder body 452a is tightly attached to the top end of the piston rod 452b in a sliding fit mode, the cylinder return spring 452c is connected between the bottom end of the piston rod 452b and the outer wall of the cylinder body 452a, and the shielding piece 452d is mounted on the side wall of the top end of; when the rotating block 451 rotates, the piston rod 452b is driven to perform reciprocating linear motion in the cylinder 452a, when the piston rod 452b compresses gas in the cylinder 452a, the blocking piece 452d blocks the liquid inlet, the cooling liquid in the liquid reservoir 454 cannot enter the cylinder 452a, and when the return spring 452c drives the piston rod 452b to perform reverse motion, the cooling liquid can enter the cylinder 452a from the liquid reservoir 454, so that the purpose of repeatedly spraying and supplementing cooling in the cylinder 452a is achieved.
The liquid outlet head 453 comprises an installation cap 453a and a liquid outlet pipe 453b, the installation cap 453a is installed on the inner wall of the cooling port through threads, liquid outlets are evenly formed in the side wall of the installation cap 453a along the circumferential direction of the installation cap, and the liquid outlet pipe 453b is installed outside the liquid outlets; the coolant discharged from the cylinder 452a is discharged from the discharge head 453 and finally discharged from the discharge pipes 453b in different directions, thereby cooling the blades of the milling cutter 44.
The lower end of the auxiliary rod 424 is evenly provided with connecting blocks along the circumferential direction, and the shapes of the connecting blocks are matched with those of the connecting grooves.
The lower extreme of reservoir 454 is provided with the transfer line, and the transfer line joint is in the inlet, and the reservoir 454 upper end is provided with annotates the liquid pipe, annotates the liquid pipe and is located annotate the liquid mouthful, is provided with the flange on the reservoir 454 lateral wall.
The lower end of the pressing frame 422 is tightly attached to the upper end of the convex plate, pressing ports are uniformly formed in the side wall of the lower end of the pressing frame 422 along the circumferential direction of the pressing frame, the positions of the pressing ports correspond to the positions of the liquid reservoirs 454 one by one, and the side wall of the pressing frame 422 is tightly attached to the pressing ports.
The driving motor 41 rotates in the opposite direction to the auxiliary motor 423.
During specific work, all parts of the milling mechanism 4 need to be connected, cooling liquid is injected into the liquid reservoir 454 through the liquid injection port, and then a workpiece to be processed is fixed on the bedplate 1;
through the mutual matching of the electric sliding plate 22 and the electric sliding block 3, after the milling mechanism 4 is moved to a specified position, the driving motor 41 drives the milling mechanism 4 to rotate so as to mill a workpiece;
when the workpiece is milled, the auxiliary motor 423 can drive the rotating block 451 at the lower end of the auxiliary rod 424 to rotate, and sequentially drive the liquid spraying cylinder 452 to perform spraying operation, so that cooling liquid is sprayed out from the liquid outlet head 453, the purpose of cooling the blade of the milling cutter 44 is achieved, the thermal deformation degree of the thin-wall workpiece caused by overhigh temperature can be reduced, and the processing quality is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a can reduce numerical control milling process frock that work piece warp, includes platen (1), removes frame (2), electronic slider (3) and mills mechanism (4), its characterized in that: the upper end of the bedplate (1) is provided with a movable frame (2), the lower end of the movable frame (2) is provided with an electric sliding block (3), and the lower end of the electric sliding block (3) is provided with a milling mechanism (4); wherein:
the movable frame (2) comprises vertical plates (21) and electric sliding plates (22), the number of the vertical plates (21) is two, the two vertical plates (21) are arranged at the upper end of the bedplate (1) in a bilateral symmetry mode, the electric sliding plates (22) are arranged between the two vertical plates (21) in a sliding fit mode, and the electric sliding plates (3) are arranged on the electric sliding plates (22) in a sliding fit mode;
the milling mechanism (4) comprises a driving motor (41), a driving connecting piece (42), a cutter handle (43), a milling cutter (44) and a cooling branched chain (45), the driving motor (41) is installed at the lower end of the electric slider (3) through a motor base, the driving connecting piece (42) is installed on an output shaft of the driving motor (41), the milling cutter (44) is installed at the lower end of the cutter handle (43) in a detachable mode, the milling cutter (44) is divided into a cutter base and a cutter blade, the cutter base is of a hollow cylindrical structure with an upper opening, cooling ports and blades are distributed on the outer wall of the cutter base, the cooling ports and the blades are uniformly distributed along the circumferential direction of the cutter base, the cooling ports and the blades are arranged alternately, the cutter handle (43) is of a hollow cylindrical structure with upper and lower openings, the cooling branched chain (45) is arranged on the inner side, the upper end of the knife handle (43) is provided with a thread;
drive connecting piece (42) are including connecting cap (421), sticis frame (422), auxiliary motor (423) and auxiliary rod (424), it installs in handle of a knife (43) upper end through the screw thread to connect cap (421), it installs through the bearing and sticiss frame (422) to connect cap (421) lower extreme, but sticiss frame (422) be upper and lower extending structure, but sticis frame (422) lower extreme installs auxiliary motor (423) through the motor cabinet, auxiliary motor (423) output shaft is connected with auxiliary rod (424) upper end through the shaft coupling, cooling branch chain (45) have been arranged to auxiliary rod (424) lower extreme.
2. The numerical control milling tool capable of reducing workpiece deformation according to claim 1, characterized in that: cooling branch chain (45) include turning block (451), hydrojet section of thick bamboo (452), go out liquid head (453) and reservoir (454), the spread groove has been seted up to turning block (451) upper end, turning block (451) lower extreme passes through on bearing installation milling cutter (44) inner wall, hydrojet section of thick bamboo (452) have been arranged to turning block (451) outside, and hydrojet section of thick bamboo (452) position and cooling port position one-to-one, hydrojet section of thick bamboo (452) top is connected with play liquid head (453) bottom, all install on milling cutter (44) lateral wall liquid head (453) and hydrojet section of thick bamboo (452), and hydrojet section of thick bamboo (452) upper end equipartition has put reservoir (454), reservoir (454) position and notes liquid port position one-to-one.
3. The numerical control milling tool capable of reducing workpiece deformation according to claim 2, characterized in that: spout liquid section of thick bamboo (452) and include barrel (452a), piston rod (452b), reset spring (452c) and shelter from piece (452d), barrel (452a) are installed on milling cutter (44) inner wall through threaded connection mode, the inlet has been seted up to barrel (452a) upper end, hug closely mutually through sliding fit mode and piston rod (452b) top in barrel (452a), be connected through reset spring (452c) between piston rod (452b) bottom and barrel (452a) outer wall, and install on piston rod (452b) top lateral wall and shelter from piece (452 d).
4. The numerical control milling tool capable of reducing workpiece deformation according to claim 2, characterized in that: the drain head (453) includes installation cap (453a) and drain pipe (453b), and installation cap (453a) pass through the screw thread and install on the cooling port inner wall, has evenly seted up the liquid outlet along its circumferential direction on installation cap (453a) the lateral wall, and drain pipe (453b) are installed outward to the liquid outlet.
5. The numerical control milling tool capable of reducing workpiece deformation according to claim 2, characterized in that: the lower end of the auxiliary rod (424) is evenly provided with connecting blocks along the circumferential direction of the auxiliary rod, and the shapes of the connecting blocks are matched with those of the connecting grooves.
6. The numerical control milling tool capable of reducing workpiece deformation according to claim 3, characterized in that: the lower end of the liquid storage device (454) is provided with a liquid conveying pipe, the liquid conveying pipe is clamped in the liquid inlet, the upper end of the liquid storage device (454) is provided with a liquid injection pipe, the liquid injection pipe is located in the liquid injection port, and a convex plate is arranged on the side wall of the liquid storage device (454).
7. The numerical control milling tool capable of reducing workpiece deformation according to claim 6, characterized in that: the lower end of the pressing frame (422) is tightly attached to the upper end of the convex plate, pressing ports are uniformly formed in the side wall of the lower end of the pressing frame (422) along the circumferential direction of the pressing frame, the pressing ports correspond to the liquid reservoirs (454) one by one, and the side wall of each liquid reservoir (454) is tightly attached to each pressing port.
8. The numerical control milling tool capable of reducing workpiece deformation according to claim 1, characterized in that: the driving motor (41) and the auxiliary motor (423) rotate in opposite directions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910539635.1A CN110153475B (en) | 2019-06-20 | 2019-06-20 | Numerical control milling tool capable of reducing workpiece deformation |
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| CN201910539635.1A CN110153475B (en) | 2019-06-20 | 2019-06-20 | Numerical control milling tool capable of reducing workpiece deformation |
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| CN110153475B true CN110153475B (en) | 2020-06-30 |
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