CN201346692Y - Numerical control Longmen boring-milling-grinding machine - Google Patents
Numerical control Longmen boring-milling-grinding machine Download PDFInfo
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- CN201346692Y CN201346692Y CNU2009200038075U CN200920003807U CN201346692Y CN 201346692 Y CN201346692 Y CN 201346692Y CN U2009200038075 U CNU2009200038075 U CN U2009200038075U CN 200920003807 U CN200920003807 U CN 200920003807U CN 201346692 Y CN201346692 Y CN 201346692Y
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Abstract
The utility model provides a numerical control Longmen boring-milling-grinding machine which can realize not only boring cutting and milling cutting, but also grinding cutting. The numerical control Longmen boring-milling-grinding machine comprises a subbase; a horizontal girder vertically moved forwards and backwards; a sliding saddle moved left and right; a sliding pillow moved upper and down; a main shaft for boring-milling and a novel drive head for grinding cutting. The girding drive head is mounted on the main shaft for boring-milling, wherein, a motor connects with self power source for electrical service, the motor rotates and drives a grinding cutting abrasion wheel grind through a main shaft for grinding. The numerical control Longmen boring-milling-grinding machine can solve problems that a normal numerical control Longmen boring-milling machine is used for boring and milling, and can not be used for grinding. The utility model expands an application range of processing machine, and can increase machine precision and work efficiency of the boring-milling machine.
Description
Technical field
The utility model relates to a kind of digital control processing machinery, particularly relates to a kind of numerical control gantry boring and milling grinding machine that uses the grinding power head device.
Background technology
At present, can only finish the function of boring and milling in the conventional digital control plane milling and boring machine, this is quotidian in large-scale synthesis processing enterprise.But, or, just need have multi-purpose comprehensive process equipment based on the supporting enterprise of maintenance of equipment for small processing enterprise.
In the production of mechanical industry, also have considerable part in addition, after the processing of finishing boring and milling, also need to carry out grinding; Normally processed part is disassembled from boring and milling machine in this case, refill to snap into and continue processing on the grinding machine.In the dismounting of above-mentioned part to be processed and the process that is installed again, the processing datum of part to be processed has been changed, and the factors such as release of the internal stress of part to be processed, mismachining tolerance is caused in the capital, the machining accuracy of part to be processed is reduced, and when having increased the beam worker of this part to be processed, influenced operating efficiency.
This shows that above-mentioned existing digital-control boring-milling machine obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of numerical control gantry boring and milling grinding machine of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing digital-control boring-milling machine exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of numerical control gantry boring and milling grinding machine of new structure, can improve general existing digital-control boring-milling machine, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Main purpose of the present utility model is, overcome the defective that existing digital-control boring-milling machine exists, and provide a kind of numerical control gantry boring and milling grinding machine of new structure, technical problem to be solved is to make it promptly can realize the function of boring and milling on boring and milling machine, can carry out grinding again, increase the function of digital control plane milling and boring machine, and improve machining accuracy and operating efficiency, be very suitable for practicality.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of numerical control gantry boring and milling grinding machine that the utility model proposes, it comprises: base, crossbeam, saddle, ram and main shaft; Its middle cross beam is installed on the base, and saddle is installed on the crossbeam, and ram is installed in saddle, and main shaft is installed on the ram; It also includes the grinding unit head, is fixedly installed on the main shaft; This grinding unit head includes abrasive grinding wheel, grinding spindle and motor; Abrasive grinding wheel wherein is installed on the grinding spindle, and motor rotates and drives abrasive grinding wheel rotation carrying out grinding by grinding spindle.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid numerical control gantry boring and milling grinding machine, wherein said motor is connected with the power supply of self.
Aforesaid numerical control gantry boring and milling grinding machine is set with guide rail and ball wire bar pair on the left and right sides curb girder of wherein said base, and this guide rail is provided with slide block;
Crossbeam is installed on the above-mentioned slide block of base left and right sides curb girder guide rail, and the guide rail on the curb girder of the base left and right sides cooperatively interacts to slide with the slide block of bottom, the two ends, the left and right sides of crossbeam and links to each other.
Aforesaid numerical control gantry boring and milling grinding machine is equipped with guide rail and ball wire bar pair on the wherein said crossbeam, this guide rail is provided with slide block; Saddle is installed on the above-mentioned slide block of beam guideway, and the guide rail of installing on this slide block and the crossbeam cooperatively interacts and is slidingly connected.
Aforesaid numerical control gantry boring and milling grinding machine, wherein said ram is installed on the saddle, and saddle is provided with guide rail and ball wire bar pair, and a facade of ram and the guide rail on the saddle cooperatively interact and are slidingly connected; The boring and milling main shaft is fixedly installed on the ram.
Aforesaid numerical control gantry boring and milling grinding machine, the screw mandrel of wherein said ball wire bar pair is fixedly installed on respectively on base left and right sides curb girder, crossbeam, the saddle by bearing block, and the feed screw nut is separately fixed on crossbeam, saddle, the ram.
The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of numerical control gantry boring and milling grinding machine, the grinding unit head is contained on the boring main shaft, just can on boring and milling machine, promptly can realize the function of boring and milling, can carry out grinding again, increase the function of digital control plane milling and boring machine, improve machining accuracy and process velocity.
By technique scheme, the utility model numerical control gantry boring and milling grinding machine has following advantage and beneficial effect at least: it effectively solves conventional digital control plane milling and boring machine can only carry out the problem that boring and milling is cut processing, can not be carried out grinding, enlarge the range of application of process equipment, and then can also improve the machining accuracy and the operating efficiency of boring and milling machine.
In sum, the utility model relates to a kind of multi-functional numerical control gantry boring and milling grinding machine, can realize boring and Milling Process on a machine tool, can realize grinding again.It comprises crossbeam, the saddle of move left and right, the ram that moves up and down and boring and milling main shaft and novel grinding unit head that base, front and back vertically move, this grinding unit head is mounted on the boring and milling main shaft, motor wherein is connected with its own power source power supply, and motor rotates and drives abrasive grinding wheel rotation carrying out grinding by grinding spindle.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of the utility model numerical control gantry boring and milling grinding machine.
Fig. 2 is the structural representation of the utility model numerical control gantry boring and milling grinding machine power head device.
100: base 200: crossbeam
300: saddle 400: ram
500: main shaft 600: the grinding unit head
601: motor 602: grinding spindle
603: abrasive grinding wheel
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of numerical control gantry boring and milling grinding machine, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.For convenience of description, in following embodiment, components identical is represented with identical numbering.
See also shown in Figure 1, the numerical control gantry boring and milling grinding machine of the utility model preferred embodiment, it mainly comprises: base 100, crossbeam 200, saddle 300, ram 400, main shaft 500 and grinding unit head 600;
Its middle cross beam 200 is installed on the base 100, and saddle 300 is installed on the crossbeam 200, and ram 400 is installed in saddle 300, and main shaft 500 is installed on the ram 400, and 600 of grinding unit heads are fixed on the main shaft 500;
Be set with guide rail and ball wire bar pair on the left and right sides curb girder of base 100, this guide rail is provided with slide block; Crossbeam 200 is installed on the above-mentioned slide block of base 100 left and right sides curb girder guide rails, and the guide rail on base 100 left and right sides curb girders cooperatively interacts to slide with the slide block of bottom, the two ends, the left and right sides of crossbeam 200 and links to each other.
Guide rail and ball wire bar pair are installed on the crossbeam 200, and this guide rail is provided with slide block; Saddle 300 is installed on the above-mentioned slide block of crossbeam 200 guide rails, and the guide rail of installing on this slide block and the crossbeam 200 cooperatively interacts and is slidingly connected.
Ram 400 is installed on the saddle 300, and saddle 300 is provided with guide rail and ball wire bar pair, and a facade of ram 400 and the guide rail on the saddle 300 cooperatively interact and be slidingly connected; Boring and milling main shaft 500 is fixedly installed on the ram 400;
The screw mandrel of described ball wire bar pair is fixedly installed on respectively on base left and right sides curb girder, crossbeam, the saddle by bearing block, and the feed screw nut is separately fixed on crossbeam, saddle, the ram.
In the course of work of the utility model numerical control gantry boring and milling grinding machine, moving of described crossbeam 200, saddle 300, ram 400 is to finish to the screw mandrel of ball wire bar pair transmission of power by drive motors by shaft coupling; During work, screw mandrel rotation and nut does not rotate, nut drives crossbeam, saddle, ram respectively and moves along guide rail and screw mandrel simultaneously, and rotatablely moving of so just will driving is converted to rectilinear motion; Described drive motors is controlled by the numerical control driver;
In the course of work of the present utility model, because workpiece is motionless, finishes by grinding unit head 600 and to move and the function of grinding, moving component in light weight, so more stable in the rotating process.
Improvements of the present utility model are, grinding unit head 600 is fixedly mounted on the boring and milling main shaft 500.See also shown in Figure 2ly, grinding unit head 600 comprises abrasive grinding wheel 603, grinding spindle 602 and motor 601.Wherein motor 601 is connected with the power supply of self, and motor 601 rotates and drives abrasive grinding wheels 603 rotations by grinding spindle 602 and carries out grinding, and abrasive grinding wheel 603 is installed on the grinding spindle 602.
The utility model numerical control gantry boring and milling grinding machine is in the process of work, grinding unit head 600 is contained on the main shaft 500, just can on boring and milling machine, promptly can realize the function of boring and milling, can carry out grinding again, increase the function of digital control plane milling and boring machine, improve machining accuracy and process velocity;
Take off grinding unit head 600, the last boring or milling tool that is installed just can carry out boring-mill work, recovers its original function, and work is simple, convenient;
The utility model numerical control gantry boring and milling grinding machine, for considerable after finishing boring and Milling Process, also need to carry out the part of grinding, just will not disassemble from boring and milling machine by processed part, refill to snap into and continue processing on the grinding machine, avoided part to be processed in the process of dismantling and being installed again, made its processing datum change, and because the mismachining tolerances that factor produced such as release of part to be processed internal stress; The utility model efficiently solves conventional digital control plane milling and boring machine can only carry out the problem that boring and milling is cut processing, can not be carried out grinding, has enlarged the range of application of process equipment, and then can also improve the machining accuracy and the operating efficiency of boring and milling machine.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (6)
1, a kind of numerical control gantry boring and milling grinding machine, it comprises: base (100), crossbeam (200), saddle (300), ram (400) and main shaft (500);
Its middle cross beam (200) is installed on the base (100), and saddle (300) is installed on the crossbeam (200), and ram (400) is installed in saddle (300), and main shaft (500) is installed on the ram (400);
It is characterized in that it also includes grinding unit head (600), be fixedly installed on the main shaft (500); This grinding unit head (600) includes abrasive grinding wheel (603), grinding spindle (602) and motor (601);
Abrasive grinding wheel wherein (603) is installed on the grinding spindle (602), and motor (601) rotates and drives abrasive grinding wheel (603) rotation carrying out grinding by grinding spindle (602).
2, numerical control gantry boring and milling grinding machine according to claim 1 is characterized in that wherein said motor (601) is connected with the power supply of self.
3, numerical control gantry boring and milling grinding machine according to claim 1 is characterized in that being set with guide rail and ball wire bar pair on the left and right sides curb girder of wherein said base (100), and this guide rail is provided with slide block;
Crossbeam (200) is installed on the above-mentioned slide block of base (100) left and right sides curb girder guide rail, and the guide rail on the curb girder of base (100) left and right sides cooperatively interacts to slide with the slide block of bottom, the two ends, the left and right sides of crossbeam (200) and links to each other.
4, numerical control gantry boring and milling grinding machine according to claim 1 is characterized in that on the wherein said crossbeam (200) guide rail and ball wire bar pair being installed, and this guide rail is provided with slide block;
Saddle (300) is installed on the above-mentioned slide block of crossbeam (200) guide rail, and the guide rail that this slide block and crossbeam (200) are upward installed cooperatively interacts and is slidingly connected.
5, numerical control gantry boring and milling grinding machine according to claim 1, it is characterized in that wherein said ram (400) is installed on the saddle (300), saddle (300) is provided with guide rail and ball wire bar pair, and the guide rail on a facade of ram (400) and the saddle (300) cooperatively interacts and is slidingly connected;
Boring and milling main shaft (500) is fixedly installed on the ram (400).
6, according to the described numerical control gantry boring and milling of arbitrary claim grinding machine in the claim 3 to 5, the screw mandrel that it is characterized in that wherein said ball wire bar pair is fixedly installed on respectively on base left and right sides curb girder, crossbeam (200), the saddle (300) by bearing block, and the feed screw nut is separately fixed on crossbeam (200), saddle (300) and the ram (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038075U CN201346692Y (en) | 2009-01-22 | 2009-01-22 | Numerical control Longmen boring-milling-grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038075U CN201346692Y (en) | 2009-01-22 | 2009-01-22 | Numerical control Longmen boring-milling-grinding machine |
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| Publication Number | Publication Date |
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| CN201346692Y true CN201346692Y (en) | 2009-11-18 |
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| CNU2009200038075U Expired - Fee Related CN201346692Y (en) | 2009-01-22 | 2009-01-22 | Numerical control Longmen boring-milling-grinding machine |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972984A (en) * | 2010-10-14 | 2011-02-16 | 莱芜市数控机床研究所 | Machining angle adjustable type universal grinding head |
| CN102198606A (en) * | 2010-03-22 | 2011-09-28 | 富士机械制造株式会社 | Diagnostic device for knife point of cutting element of machine tool |
| CN102328262A (en) * | 2011-07-12 | 2012-01-25 | 中核苏阀横店机械有限公司 | Universal polishing device |
| CN102581623A (en) * | 2012-03-14 | 2012-07-18 | 济南黑钻精密机床有限公司 | Gantry moving type numerical control machine |
| CN102615573A (en) * | 2011-01-27 | 2012-08-01 | 深圳市盛德丰精密机床有限公司 | Bridge type numerical control planogrinder structure |
| CN102642160A (en) * | 2012-04-06 | 2012-08-22 | 深圳市盛德丰精密机床有限公司 | Bridge numerical control gantry universal grinder structure |
| CN102649251A (en) * | 2012-04-20 | 2012-08-29 | 舞阳钢铁有限责任公司 | Steel plate surface polishing machine |
| CN102825532A (en) * | 2012-09-29 | 2012-12-19 | 柳州正菱重型数控机床有限公司 | Bridge type planogrinder |
| CN103317436A (en) * | 2013-06-18 | 2013-09-25 | 浙江工业大学 | Grinding mechanism based on Hilbert-Peano fractal path |
| CN103894913A (en) * | 2014-02-28 | 2014-07-02 | 苏州冠捷精密机械有限公司 | Polishing machine |
| TWI448351B (en) * | 2011-05-24 | 2014-08-11 | Factory Automation Technology | Auxiliary supporting rail device for main shaft of boring and milling machine |
| CN104440482A (en) * | 2014-12-07 | 2015-03-25 | 常州市耀华仪器有限公司 | High-efficiency polishing workbench |
| CN104647193A (en) * | 2015-01-22 | 2015-05-27 | 浙江工业大学 | Grinding mechanism for fractal path |
| CN106112977A (en) * | 2016-07-21 | 2016-11-16 | 华中科技大学无锡研究院 | A kind of curved surface class workpiece submissive polishing Serial-Parallel Type robot technique platform |
| CN107186622A (en) * | 2017-06-28 | 2017-09-22 | 斯幼云 | A kind of convenient cup device |
| CN107309794A (en) * | 2017-06-28 | 2017-11-03 | 斯幼云 | A kind of cup device |
| CN108098356A (en) * | 2018-02-02 | 2018-06-01 | 昆山华都精工机械设备有限公司 | A kind of milling machining center |
| CN108145446A (en) * | 2018-02-02 | 2018-06-12 | 昆山华都精工机械设备有限公司 | Ram is combined in a kind of milling |
| CN108789032A (en) * | 2018-06-29 | 2018-11-13 | 嘉善金亿精密铸件有限公司 | A kind of sanding and polishing component |
| CN108838835A (en) * | 2018-06-29 | 2018-11-20 | 嘉善金亿精密铸件有限公司 | A kind of sanding and polishing device |
| CN109277904A (en) * | 2018-11-25 | 2019-01-29 | 黄石佳鼎自动化科技有限公司 | A kind of clutch support ring grinding annealing machine |
| CN110064981A (en) * | 2019-04-19 | 2019-07-30 | 南通瀚盛机床科技有限公司 | A kind of double bistrique surface grinding machines of numerical control horizontal-vertical double-purpose and its processing method |
| CN110315645A (en) * | 2019-07-31 | 2019-10-11 | 江西乔扬数控设备有限公司 | A kind of graphite carving and milling machine machining center |
| CN111015252A (en) * | 2019-12-30 | 2020-04-17 | 武汉理工大学 | Main shaft sliding table of movable beam type gantry numerical control engraving and milling machine |
| CN111590329A (en) * | 2019-08-05 | 2020-08-28 | 曹宇 | Multifunctional composite machine tool |
| CN112122664A (en) * | 2020-09-21 | 2020-12-25 | 惠州市德丰精密机床有限公司 | Intelligent processing method for bridge type gantry milling and grinding |
| CN115365862A (en) * | 2022-10-25 | 2022-11-22 | 中国机械总院集团江苏分院有限公司 | Semi-contained self-compensation square ram structure of boring and milling machine |
| CN116852190A (en) * | 2023-07-28 | 2023-10-10 | 大连沃飞亚装备制造有限公司 | Centreless inner circle generating method grinding device |
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2009
- 2009-01-22 CN CNU2009200038075U patent/CN201346692Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198606A (en) * | 2010-03-22 | 2011-09-28 | 富士机械制造株式会社 | Diagnostic device for knife point of cutting element of machine tool |
| CN102198606B (en) * | 2010-03-22 | 2015-05-20 | 富士机械制造株式会社 | Diagnostic device for knife point of cutting element of machine tool |
| CN101972984A (en) * | 2010-10-14 | 2011-02-16 | 莱芜市数控机床研究所 | Machining angle adjustable type universal grinding head |
| CN102615573A (en) * | 2011-01-27 | 2012-08-01 | 深圳市盛德丰精密机床有限公司 | Bridge type numerical control planogrinder structure |
| TWI448351B (en) * | 2011-05-24 | 2014-08-11 | Factory Automation Technology | Auxiliary supporting rail device for main shaft of boring and milling machine |
| CN102328262A (en) * | 2011-07-12 | 2012-01-25 | 中核苏阀横店机械有限公司 | Universal polishing device |
| CN102581623A (en) * | 2012-03-14 | 2012-07-18 | 济南黑钻精密机床有限公司 | Gantry moving type numerical control machine |
| CN102642160A (en) * | 2012-04-06 | 2012-08-22 | 深圳市盛德丰精密机床有限公司 | Bridge numerical control gantry universal grinder structure |
| CN102649251A (en) * | 2012-04-20 | 2012-08-29 | 舞阳钢铁有限责任公司 | Steel plate surface polishing machine |
| CN102825532A (en) * | 2012-09-29 | 2012-12-19 | 柳州正菱重型数控机床有限公司 | Bridge type planogrinder |
| CN103317436A (en) * | 2013-06-18 | 2013-09-25 | 浙江工业大学 | Grinding mechanism based on Hilbert-Peano fractal path |
| CN103894913A (en) * | 2014-02-28 | 2014-07-02 | 苏州冠捷精密机械有限公司 | Polishing machine |
| CN104440482A (en) * | 2014-12-07 | 2015-03-25 | 常州市耀华仪器有限公司 | High-efficiency polishing workbench |
| CN104647193A (en) * | 2015-01-22 | 2015-05-27 | 浙江工业大学 | Grinding mechanism for fractal path |
| CN106112977A (en) * | 2016-07-21 | 2016-11-16 | 华中科技大学无锡研究院 | A kind of curved surface class workpiece submissive polishing Serial-Parallel Type robot technique platform |
| CN107309794A (en) * | 2017-06-28 | 2017-11-03 | 斯幼云 | A kind of cup device |
| CN107186622A (en) * | 2017-06-28 | 2017-09-22 | 斯幼云 | A kind of convenient cup device |
| CN108098356B (en) * | 2018-02-02 | 2023-09-22 | 昆山华都精工机械设备有限公司 | Milling and grinding machining center |
| CN108098356A (en) * | 2018-02-02 | 2018-06-01 | 昆山华都精工机械设备有限公司 | A kind of milling machining center |
| CN108145446A (en) * | 2018-02-02 | 2018-06-12 | 昆山华都精工机械设备有限公司 | Ram is combined in a kind of milling |
| CN108789032A (en) * | 2018-06-29 | 2018-11-13 | 嘉善金亿精密铸件有限公司 | A kind of sanding and polishing component |
| CN108838835A (en) * | 2018-06-29 | 2018-11-20 | 嘉善金亿精密铸件有限公司 | A kind of sanding and polishing device |
| CN109277904A (en) * | 2018-11-25 | 2019-01-29 | 黄石佳鼎自动化科技有限公司 | A kind of clutch support ring grinding annealing machine |
| CN110064981A (en) * | 2019-04-19 | 2019-07-30 | 南通瀚盛机床科技有限公司 | A kind of double bistrique surface grinding machines of numerical control horizontal-vertical double-purpose and its processing method |
| CN110315645A (en) * | 2019-07-31 | 2019-10-11 | 江西乔扬数控设备有限公司 | A kind of graphite carving and milling machine machining center |
| CN111590329A (en) * | 2019-08-05 | 2020-08-28 | 曹宇 | Multifunctional composite machine tool |
| CN111015252A (en) * | 2019-12-30 | 2020-04-17 | 武汉理工大学 | Main shaft sliding table of movable beam type gantry numerical control engraving and milling machine |
| CN112122664A (en) * | 2020-09-21 | 2020-12-25 | 惠州市德丰精密机床有限公司 | Intelligent processing method for bridge type gantry milling and grinding |
| CN112122664B (en) * | 2020-09-21 | 2023-09-19 | 惠州市德丰精密机床有限公司 | Bridge type gantry milling intelligent machining method |
| CN115365862A (en) * | 2022-10-25 | 2022-11-22 | 中国机械总院集团江苏分院有限公司 | Semi-contained self-compensation square ram structure of boring and milling machine |
| CN116852190A (en) * | 2023-07-28 | 2023-10-10 | 大连沃飞亚装备制造有限公司 | Centreless inner circle generating method grinding device |
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