Three-channel machine tool
By designing multiple machining column mechanisms and moving mechanisms in a three-channel machine tool and placing the tool magazine at the bottom, multi-axis machining and simplified tool changing are achieved, solving the problems of low efficiency and low space utilization of existing machine tools and improving machining efficiency and space utilization.
Patent Information
- Application Number
- CN202423186044.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The tool changing process of existing vertical CNC machine tools is cumbersome, which affects the processing efficiency, has low space utilization, large size, and is inconvenient for tool magazine maintenance.
Design a three-channel machine tool that employs multiple machining column mechanisms and moving mechanisms. The tool magazine mechanism is located below the support. A servo motor drives a chain to change the tool holder, and a multi-axis moving mechanism enables machining of multiple workpieces or in multiple positions.
It improves processing efficiency and space utilization, simplifies tool changing, reduces energy consumption and maintenance costs, and enhances the machine tool's adaptability to different installation spaces.
Smart Images

Figure CN223670816U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of drill and mill machine tool, specifically to a three -way machine tool. BACKGROUND
[0002] The current vertical numerical control machine tool is generally composed of a base, a column, a spindle box and a tool magazine, the spindle box is provided with the tool magazine, the spindle box is installed at the front of the column through a mounting seat, the base is provided with a part placing position, and the tool on the tool magazine processes the part on the part placing position. The existing vertical numerical control machine tool generally adopts single station processing, and the processing efficiency is low. In view of the above problems, the publication number: CN202111504473.1 discloses a multi-spindle numerical control machine tool, which comprises a base, a Y-direction moving device is arranged on the base, an X-direction moving device is arranged on the Y-direction moving device, a workbench is arranged on the X-direction moving device, a column is arranged at the rear of the workbench, the column is installed on the base, at least two side-by-side arranged spindle boxes are slidingly installed on the column, a tool magazine is arranged corresponding to each spindle box, each spindle box comprises a first mounting seat and a spindle mounting portion connected to the first mounting seat, the spindle mounting portion forms an installation hole for installing a spindle, and the center of each installation hole deviates from the center surface of the first mounting seat in a direction away from the other installation hole. The multi-spindle numerical control machine tool shortens the width of the column, reduces the weight of the column and saves costs. However, the numerical control machine tool has the following problems: the tool magazine of the existing machine tool is arranged above the spindle, the space utilization rate of the numerical control machine tool with this arrangement is low, the overall volume of the numerical control machine tool is increased, the installation space of the machine tool is affected, when the tool changing action is needed, the spindle needs to be raised to a certain height, and then the tool changing action can be performed, the tool changing procedure is complicated, the continuity is poor, the time is long, the energy consumption is increased, the use frequency of the moving parts of the machining column mechanism is increased, the subsequent processing efficiency and service life are affected, the maintenance cost is increased, and it is not convenient for the workers to maintain or replace the tools in the tool magazine. The machine tool needs to be stopped, and the subsequent processing efficiency is affected. CONTENT OF THE UTILITY MODEL
[0003] The utility model provides a three -way machine tool in view of the technical deficiency of the prior art, which aims to solve the technical problems of complicated tool changing procedure of the machine tool, low space utilization rate of the machine tool and large volume.
[0004] The utility model discloses the technical scheme adopted for realizing the above-mentioned purposes is:
[0005] A three -way machine tool includes a rack, a workbench and a plurality of machining column mechanisms, the rack is provided with a support, the support is provided with a slide rail group and a groove, and a plurality of machining column mechanisms are arranged on the slide rail group, the bottom of the support is provided with a platform, the platform is provided with a plurality of moving mechanisms, the moving mechanisms are all provided with tool magazine mechanisms, and the workbench is arranged at the front of the support.
[0006] Further, the moving mechanism comprises a base, a screw module and a moving platform, the base is provided with two slide rails, each of the two slide rails is provided with a slide block group, the screw module is arranged between the two slide rails, the screw module is provided with a servo motor and a screw nut base, the moving platform is arranged on the slide block group, and the bottom of the moving platform is connected with the screw nut base; the tool magazine mechanism is arranged on the moving platform.
[0007] Further, the moving platform is provided with a support one, the tool magazine mechanism comprises a driving assembly and a tool magazine assembly, the driving assembly comprises a servo motor one, the servo motor one is provided with a connecting shaft assembly, the support one is provided with a platform one, the outer side of the platform one is provided with a guide groove, one end of the platform one is provided with a toothed disc assembly, and the toothed disc assembly is connected with the connecting shaft assembly; the other end of the platform one is provided with a circular guide disc, and the circular guide disc is provided with a guide groove; the tool magazine assembly comprises a chain, the chain is arranged in the guide groove, the upper surface and the bottom surface of the chain are each provided with a plurality of clamping columns, and the clamping columns of the chain are in meshing connection with the toothed disc assembly, so that the direction of the circulating rotation of the chain along the guide groove is controlled; the chain is provided with a plurality of mounting blocks, and each of the mounting blocks is provided with a tool holder, and the tool holder is used for the fixed clamping of a tool.
[0008] Further, the toothed disc assembly comprises two toothed discs, and a connecting shaft is arranged between the two toothed discs; the platform one is provided with a groove one, the groove one is provided with a push-up assembly, the push-up assembly comprises a cylinder and a push rod, and the driving rod of the cylinder is connected with the push rod; the end of the push rod is provided with an arc-shaped clamping block, and the arc-shaped clamping block is used for clamping into the clamping column.
[0009] Further, the slide block group comprises two slide rails one, and each of the two slide rails one is arranged on the support; each of the machining column mechanisms comprises an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism and a machining main shaft; the X-axis moving mechanism is arranged on the two slide rails one, the Y-axis moving mechanism is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the Y-axis moving mechanism, and the machining main shaft is arranged on the Z-axis moving mechanism.
[0010] Further improvement, the groove is provided with a plurality of mounting seat groups, and each of the mounting seat groups comprises two mounting seats; the X-axis moving mechanism comprises a first servo motor, a first linear module and a first sliding seat, the first servo motor is connected with the first linear module and arranged between the two mounting seats; the bottom of the first sliding seat is provided with two groups of sliding block groups, and the two groups of sliding block groups are arranged on the slide rail one respectively; the first linear module is provided with a first screw nut seat, the first sliding seat is provided with a first connecting seat, and the first connecting seat is connected with the first screw nut seat, so that the first sliding seat can move along the direction of the slide rail one.
[0011] Further improvement, the first sliding seat is a frame, and the Y-axis moving mechanism is arranged in the frame; the bottom of the frame is provided with a second groove, and the Y-axis moving mechanism comprises a second servo motor, a second linear module, a plurality of second sliding block groups, a second sliding seat and a plurality of second slide rails; the second servo motor is connected with the second linear module and arranged in the second groove; the plurality of second sliding block groups are arranged on the two inner side walls and the bottom of the frame respectively, and the second slide rails are arranged on the two sides and the bottom of the second sliding seat respectively; the second slide rails are connected with the second sliding block groups respectively; the bottom of the second sliding seat is provided with a second connecting seat, and the second connecting seat is connected with the screw nut seat of the second linear module.
[0012] Further improvement, the end of the second sliding seat is provided with a second support, and the Z-axis moving mechanism is arranged on the second support; the Z-axis moving mechanism comprises a third servo motor, a third linear module, a third sliding seat, a plurality of third sliding block groups and a plurality of third slide rails; the second support is provided with a third groove, the third servo motor is connected with the third linear module and arranged in the third groove; the second support is provided with two second baffles, the plurality of third sliding block groups are arranged on the second support and the two second baffles respectively, the plurality of third slide rails are arranged on the outer side surfaces of the third sliding seat respectively, the third slide rails are connected with the third sliding block groups respectively, and the third sliding seat is provided with a third connecting seat, and the third connecting seat is connected with the screw nut seat of the third linear module.
[0013] Further improvement, the third sliding seat is provided with a third mounting groove, and the machining spindle is arranged in the third mounting groove; the machining spindle comprises a fourth motor and a fourth spindle, the fourth spindle is connected with the fourth motor, the fourth spindle is provided with a tool clamping assembly, and the tool clamping assembly is provided with an insertion port.
[0014] Further improvement, the groove one is also provided with a plurality of lifting rings; the bottom of the platform is provided with a flow guide groove.
[0015] Compared with the prior art, the three-channel machine tool provided by the embodiment of the utility model has at least one of the following technical effects:
[0016] The utility model discloses a plurality of machining column mechanism is realized multi -axis processing, can carry out the machining of multiple workpieces or same workpiece's multiple positions simultaneously, improves processing efficiency, and can carry out independent compensation, improves the precision of processing, through setting up the mobile mechanism for the tool magazine mechanism setting below the support, greatly improves the space utilization of frame, thereby reduces the overall volume of three -channel machine tool, improves the applicability of three -channel machine tool's subsequent installation space, and reduces the reset action when changing the tool, improves the tool changing processing efficiency of subsequent tool and facilitates the replacement action of the tool of tool magazine mechanism, improves the maintenance efficiency, reduces the loss of moving parts, reduces the energy consumption, reduces the cost of processing. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0018] Fig. 1 It is the whole structure schematic diagram of three-channel machine tool of this embodiment;
[0019] Fig. 2 It is the front view schematic diagram of three-channel machine tool of this embodiment;
[0020] Fig. 3 It is the structure schematic diagram of mobile mechanism and tool magazine mechanism of this embodiment;
[0021] Fig. 4 It is the overhead schematic diagram of mobile mechanism and tool magazine structure of this embodiment;
[0022] Fig. 5 It is the structure schematic diagram of machining column mechanism of this embodiment;
[0023] Fig. 6 It is the overhead schematic diagram of machining column mechanism of this embodiment. DETAILED DESCRIPTION
[0024] The following description is only the preferred embodiment of the utility model, and does not limit the protection scope of the application.
[0025] Embodiment, see attached Figs. 1-6A three-channel machine tool 1 comprises a rack 2, a workbench 3 and a plurality of machining column mechanisms 4; the rack 2 is provided with a support 5, the support 5 is provided with a slide rail group 50 and a groove 51, and a plurality of machining column mechanisms 4 are arranged on the slide rail group 50; the bottom of the support 5 is provided with a platform 52, the platform 52 is provided with a plurality of moving mechanisms 6, and each moving mechanism 6 is provided with a tool magazine mechanism 7; the workbench 3 is arranged in front of the support 5; a plurality of machining column mechanisms 4 are arranged to realize multi-axis machining, and the machining efficiency of a plurality of workpieces or a plurality of positions of the same workpiece can be improved, independent compensation can be realized, and the machining precision can be improved.
[0026] The moving mechanism 6 comprises a base 60, a lead screw module 61 and a moving platform 62, the base 60 is provided with two slide rails, each of the two slide rails is provided with a slide block group, the lead screw module is arranged between the two slide rails, the lead screw module 61 is provided with a servo motor and a lead screw nut base, the moving platform 62 is arranged on the slide rail group 50, and the bottom of the moving platform 62 is connected with the lead screw nut base; the tool magazine mechanism 7 is arranged on the moving platform 62, the moving mechanism 6 is used for arranging the tool magazine mechanism 7 below the support 5, greatly improving the space utilization of the rack 2, improving the tool changing efficiency of subsequent tools, facilitating the tool changing action of the tool magazine mechanism 7, improving the maintenance efficiency, reducing the loss of moving parts, reducing energy consumption, and reducing the machining cost.
[0027] The moving platform 62 is provided with a support 63, the tool magazine mechanism 7 comprises a driving assembly 70 and a tool magazine assembly 71, the driving assembly 70 comprises a servo motor, the servo motor is provided with a connecting shaft assembly, the support 63 is provided with a platform 630, the outer side of the platform 630 is provided with a guide groove 631, one end of the platform 630 is provided with a toothed disc assembly 72, and the toothed disc assembly 72 is connected with the connecting shaft assembly; the other end of the platform 630 is provided with a circular guide disc 632, and the circular guide disc 632 is provided with a guide groove 631; the tool magazine assembly 71 comprises a chain 710, the chain 710 is arranged in the guide groove 631, the upper surface and the bottom surface of the chain 710 are each provided with a plurality of clamping columns 711, and the clamping columns 711 of the chain 710 are in meshing connection with the toothed disc assembly 72, so as to control the circulating rotation of the chain 710 along the direction of the guide groove 631, the guide groove 631 is used for guiding, and the stability of the movement of the chain 710 is ensured; the chain 710 is provided with a plurality of mounting blocks, each of the mounting blocks is provided with a tool holder 712, and the tool holder 712 is used for the fixed clamping of the tool.
[0028] The platform 1 630 is provided with a groove 1 633, the groove 1 633 is provided with a push-up assembly 634, the push-up assembly 634 comprises a cylinder and a push rod, the driving rod of the cylinder is connected with the push rod; the end of the push rod is provided with an arc-shaped clamping block, the arc-shaped clamping block is used for clamping into the clamping column 711, the push-up assembly 634 is used for limiting positioning, thereby preventing movement during tool changing, affecting the effect and efficiency of tool changing, and ensuring the accuracy of tool changing installation and the subsequent machining accuracy.
[0029] The slide rail group 50 comprises two slide rails 1, the two slide rails 1 are arranged on the support 5 respectively; the machining column mechanism 4 comprises an X-axis moving mechanism 8, a Y-axis moving mechanism 9, a Z-axis moving mechanism 10 and a machining spindle 11; the X-axis moving mechanism 8 is arranged on the two slide rails 1, the Y-axis moving mechanism 9 is arranged on the X-axis moving mechanism 8, the Z-axis moving mechanism 10 is arranged on the Y-axis moving mechanism 9, and the machining spindle 11 is arranged on the Z-axis moving mechanism 10; the slide rail group 50 is used for realizing the movement of the machining column mechanism 4 along the direction of the X-axis, while reducing the cost and the subsequent maintenance cost.
[0030] The groove 51 is provided with a plurality of mounting seat groups, each of the mounting seat groups comprises two mounting seats; the X-axis moving mechanism 8 comprises a first servo motor 80, a first linear module 81 and a first sliding seat 82, the first servo motor 80 is connected with the first linear module 81 and arranged between the two mounting seats; the bottom of the first sliding seat 82 is provided with two groups of sliding block groups, the two groups of sliding block groups are arranged on the slide rail 1 respectively; the first linear module 81 is provided with a first screw nut seat, the first sliding seat 82 is provided with a first connecting seat, the first connecting seat is connected with the first screw nut seat, so that the first sliding seat 82 can move along the direction of the slide rail 1, and the X-axis moving mechanism 8 is used for controlling the movement of the machining spindle 11 along the direction of the X-axis, realizing multi-axis movement, improving the efficiency and precision of machining.
[0031] The first sliding seat 82 is a frame, the Y-axis moving mechanism 9 is arranged in the frame; the bottom of the frame is provided with a second groove, the Y-axis moving mechanism 9 comprises a second servo motor 90, a second linear module 91, a plurality of second sliding block groups 92, a second sliding seat 93 and a plurality of second sliding rails 94, the second servo motor 90 is connected with the second linear module 91 and arranged in the second groove; a plurality of second sliding block groups 92 are arranged on the two inner side walls and the bottom of the frame respectively, the second sliding rails 94 are arranged on the two sides and the bottom of the second sliding seat 93 respectively, and the second sliding rails 94 are connected with the second sliding rail group 50 respectively; the bottom of the second sliding seat 93 is provided with a second connecting seat, the second connecting seat is connected with the screw nut seat of the second linear module 91, and the frame is used to ensure the movement stability and smoothness of the Y-axis moving mechanism 9; the Y-axis moving mechanism 9 is used to realize the Y-axis movement of the machining spindle 11, so that the movement machining of the workpiece in the Y-axis direction is realized, multi-axis machining is realized, and the machining precision is improved.
[0032] The end of the second sliding seat 93 is provided with a second support 930, and the Z-axis moving mechanism 10 is arranged on the second support 930; the Z-axis moving mechanism 10 comprises a third servo motor 100, a third linear module 101, a third sliding seat 102, a plurality of third sliding block groups 103 and a plurality of third sliding rails 104, the second support 930 is provided with a third groove, the third servo motor 100 is connected with the third linear module 101 and arranged in the third groove; the second support 930 is provided with two second baffles, a plurality of third sliding block groups 103 are arranged on the second support 930 and the two second baffles respectively, a plurality of third sliding rails 104 are arranged on the outer side surfaces of the third sliding seat 102 respectively, the third sliding rails 104 are connected with the third sliding block groups 103 respectively, and the third sliding seat 102 is provided with a third connecting seat, the third connecting seat is connected with the screw nut seat of the third linear module 101, and the Z-axis moving mechanism 10 is used to drive the machining spindle 11 to realize the function of lifting feed, so that the movement machining of the Z-axis is realized, and the machining efficiency and precision are improved.
[0033] The third sliding seat 102 is provided with a third mounting groove, and the machining spindle 11 is arranged in the third mounting groove; the machining spindle 11 comprises a fourth motor 110 and a fourth spindle 111, the fourth spindle 111 is connected with the fourth motor 110, the fourth spindle 111 is provided with a tool clamping assembly, the tool clamping assembly is provided with an insertion port, and the machining spindle 11 is used to drive the tool to drill and mill.
[0034] The gear disc assembly 72 comprises two gear discs, a connecting shaft is arranged between the two gear discs, and the gear disc assembly 72 is used for driving the chain 710 to move; the groove one 633 is further provided with a plurality of lifting rings, the lifting rings facilitate the installation or dismounting action of the moving mechanism 6 and the tool magazine center by external equipment; a flow guide groove is arranged below the platform 52, and the flow guide groove is used for the outflow of the cutting chip liquid and impurities.
[0035] The utility model discloses a plurality of machining stand mechanisms are arranged to realize multi-axis machining, and the machining efficiency is improved, and the machining precision is improved through independent compensation, a plurality of workpieces or a plurality of positions of the same workpiece can be machined simultaneously, and the utility model discloses a moving mechanism is arranged below the support of the tool magazine mechanism, the space utilization rate of the frame is greatly improved, thereby the overall volume of the three-channel machine tool is reduced, the applicability of the subsequent installation space of the three-channel machine tool is improved, the reset action during tool changing is reduced, the tool changing machining efficiency of subsequent tools is improved, the tool changing action of the tool magazine mechanism is facilitated, the maintenance efficiency is improved, the loss of moving parts is reduced, energy consumption is reduced, and the machining cost is reduced.
[0036] The utility model discloses not limited to the above-mentioned embodiment, and other three-channel machine tools obtained by using the same or similar structure or device as the above-mentioned embodiment of the utility model are all within the protection scope of the utility model.
Claims
1. A three-pass machine tool, characterized by: The three-channel machine tool comprises a rack, a workbench and a plurality of machining column mechanisms; the rack is provided with a support, the support is provided with a slide rail group and a groove, and the plurality of machining column mechanisms are arranged on the slide rail group; the bottom of the support is provided with a platform, the platform is provided with a plurality of moving mechanisms, and the moving mechanisms are all provided with a tool magazine mechanism; and the workbench is arranged in front of the support.
2. The triple-channel machine tool according to claim 1, characterized in that: The moving mechanism comprises a base, a screw module and a moving platform, the base is provided with two slide rails, the two slide rails are both provided with a slide block group, the screw module is arranged between the two slide rails, the screw module is provided with a servo motor and a screw nut seat, the moving platform is arranged on the slide rail group, and the bottom of the moving platform is connected with the screw nut seat; and the tool magazine mechanism is arranged on the moving platform.
3. The triple-channel machine tool according to claim 2, characterized in that: The moving platform is provided with a support one, the tool magazine mechanism comprises a driving assembly and a tool magazine assembly, the driving assembly comprises a servo motor one, the servo motor one is provided with a connecting shaft assembly, the support one is provided with a platform one, the outer side of the platform one is provided with a guide groove, one end of the platform one is provided with a toothed disc assembly, and the toothed disc assembly is connected with the connecting shaft assembly; the other end of the platform one is provided with a circular guide disc, and the circular guide disc is provided with a guide groove; the tool magazine assembly comprises a chain, the chain is arranged in the guide groove, the upper surface and the bottom surface of the chain are both provided with a plurality of clamping columns, the clamping columns of the chain are in meshing connection with the toothed disc assembly, so as to control the circular rotation of the chain along the direction of the guide groove; and the chain is provided with a plurality of mounting blocks, the mounting blocks are all provided with tool holders, and the tool holders are used for the fixed clamping of tools.
4. The triple-channel machine tool according to claim 3, characterized in that: The toothed disc assembly comprises two toothed discs, and a connecting shaft is arranged between the two toothed discs; the platform one is provided with a groove one, the groove one is provided with a pushing top assembly, the pushing top assembly comprises a pneumatic cylinder and a pushing rod, the driving rod of the pneumatic cylinder is connected with the pushing rod; and the end of the pushing rod is provided with an arc-shaped clamping block, and the arc-shaped clamping block is used for clamping into the clamping column.
5. The triple-channel machine tool according to claim 4, characterized in that: The slide rail group comprises two slide rails one, and the two slide rails one are arranged on the support respectively; the machining column mechanism comprises an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism and a machining main shaft; the X-axis moving mechanism is arranged on the two slide rails one, the Y-axis moving mechanism is arranged on the X-axis moving mechanism, the Z-axis moving mechanism is arranged on the Y-axis moving mechanism, and the machining main shaft is arranged on the Z-axis moving mechanism.
6. The triple-channel machine tool according to claim 5, characterized in that: The groove is provided with a plurality of mounting seat groups, and each mounting seat group comprises two mounting seats; the X-axis moving mechanism comprises a first servo motor, a first linear module and a first sliding seat, the first servo motor is connected with the first linear module and arranged between the two mounting seats; the bottom of the first sliding seat is provided with two slide block groups, and the two slide block groups are arranged on the slide rail one respectively; the first linear module is provided with a first screw nut seat, the first sliding seat is provided with a first connecting seat, and the first connecting seat is connected with the first screw nut seat, so that the first sliding seat can move along the direction of the slide rail one.
7. The triple-channel machine tool according to claim 6, characterized in that: The first sliding base is a frame, the Y-axis moving mechanism is arranged in the frame; the bottom of the frame is provided with a second groove, the Y-axis moving mechanism comprises a second servo motor, a second linear module, a plurality of second sliding block groups, a second sliding base and a plurality of second sliding rails, the second servo motor is connected with the second linear module and arranged in the second groove; a plurality of the second sliding block groups are arranged on the two inner side walls and the bottom of the frame respectively, the second sliding rails are arranged on the two sides and the bottom of the second sliding base respectively, and the second sliding rails are connected with the second sliding rail groups respectively; the bottom of the second sliding base is provided with a second connecting seat, and the second connecting seat is connected with the screw nut seat of the second linear module.
8. The triple-channel machine tool according to claim 7, characterized in that: The end of the second sliding base is provided with a second support, and the Z-axis moving mechanism is arranged on the second support; the Z-axis moving mechanism comprises a third servo motor, a third linear module, a third sliding base, a plurality of third sliding block groups and a plurality of third sliding rails, the second support is provided with a third groove, the third servo motor is connected with the third linear module and arranged in the third groove; the second support is provided with two second baffles, a plurality of the third sliding block groups are arranged on the second support and the two second baffles respectively, a plurality of the third sliding rails are arranged on the outer side surfaces of the third sliding base respectively, the third sliding rails are connected with the third sliding block groups respectively, the third sliding base is provided with a third connecting seat, and the third connecting seat is connected with the screw nut seat of the third linear module.
9. The triple-channel machine tool according to claim 8, characterized in that: The third sliding base is provided with a third mounting groove, and the machining spindle is arranged in the third mounting groove; the machining spindle comprises a fourth motor and a fourth spindle, the fourth spindle is connected with the fourth motor, the fourth spindle is provided with a tool clamping assembly, and the tool clamping assembly is provided with an insertion opening.
10. The triple-channel machine tool according to claim 9, characterized in that: The groove one is also provided with a plurality of lifting rings; the bottom of the platform is provided with a flow guide groove.
Citation Information
Patent Citations
Multi-spindle numerical control machine tool
CN114160821A