CN107175360B - Milling machine and milling machine spindle operation control system - Google Patents
Milling machine and milling machine spindle operation control system Download PDFInfo
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- CN107175360B CN107175360B CN201610137914.1A CN201610137914A CN107175360B CN 107175360 B CN107175360 B CN 107175360B CN 201610137914 A CN201610137914 A CN 201610137914A CN 107175360 B CN107175360 B CN 107175360B
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- main shaft
- controller
- milling machine
- operation control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/13—Surface milling of plates, sheets or strips
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Abstract
The invention discloses a kind of milling machine spindle operation control systems, including being powered generation magnetic field to drive the main shaft coil of main shaft rotation and for the power supply to the main shaft coil input current；It further include the controller for changing the reversing arrangement of the electric current input direction of the main shaft coil and for controlling the reversing arrangement, the reversing arrangement is connected between the main shaft coil and the power supply and is electrically connected with the controller.It, can be by controlling the direction of rotation of main shaft when using milling machine spindle operation control system provided by the invention, the burr for completely removing or avoiding process to generate easily and effectively and then avoids adverse effect of the burr to following process process.Meanwhile it being not necessarily to secondary drilling technique, avoid the adverse effect for boring inclined double of hole precision.The invention also discloses a kind of milling machines including above-mentioned milling machine spindle operation control system.
Description
Technical field
The present invention relates to technical fields of mechanical processing, more specifically to a kind of milling machine spindle operation control system, also
It is related to a kind of milling machine including above-mentioned milling machine spindle operation control system.
Background technique
Milling machine refers generally to the lathe for processing a variety of surfaces on workpiece with milling cutter.Usual milling cutter rotary motion is main motion,
The movement of workpiece or milling cutter is feed motion, is a kind of very common machining equipment.Milling machine is except energy milling plane, ditch
Outside slot, the gear teeth, screw thread and splined shaft, moreover it is possible to process more complicated type face, be obtained widely in machine-building and repairing department
Using.
In printed circuit board field, milling machine is commonly used for the processing to half bore etc..It is general for processing PTH half bore
The direction of rotation of its main shaft of CNC milling machine is traditionally referred to as dextrorotation knife clockwise.Do not have when processing PTH half bore in knife position out
In the case where jagged, feed position usually will appear burr.And the generation of burr subsequent processing operations are also easy to produce it is bad
Influence, such as in the welding process of the SMT producer in downstream, be easy to appear solder joint loosely, rosin joint, bridge joint short-circuit the problems such as.
For the influence that burr is reduced or avoided, in the prior art to remove flash removed usually by way of secondary drilling.Such as
Burr is generated in access site, secondary drilling can be carried out in access site.Though however, can be certain by way of secondary drilling
The reduction burr of degree, but to bore inclined probability very big for secondary drilling, it is difficult to while effectively removing burr, to the accuracy of inner hole
Have an adverse effect.Meanwhile the mode of secondary drilling, processing process need to be increased, it is more time-consuming and laborious.And to completely remove
Burr, usually need to be further by manually repairing burr, thus expends a large amount of manpowers, reduces production efficiency, increase is produced into
This.
Burr is also easy to produce when in conclusion how to efficiently solve milling machine processing and burr is not easy the problems such as effectively removing,
It is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of milling machine spindle operation control system, milling machine master
The structure design of axis operation control system is also easy to produce burr when can efficiently solve milling machine processing and burr is not easy to effectively remove
The problem of, a second object of the present invention is to provide a kind of milling machines including above-mentioned milling machine spindle operation control system.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of milling machine spindle operation control system, including the main shaft coil and use for generating magnetic field to drive main shaft to rotate that be powered
In the power supply to the main shaft coil input current；It further include for changing the commutation of the electric current input direction of the main shaft coil
Device and controller for controlling the reversing arrangement, the reversing arrangement be connected to the main shaft coil and the power supply it
Between and with the controller be electrically connected.
Preferably, in above-mentioned milling machine spindle operation control system, the reversing arrangement is frequency converter, the controller connection
Between the main shaft coil and the frequency converter.
Preferably, in above-mentioned milling machine spindle operation control system, switch and inverse time clockwise are provided on the controller
Needle switch, the controller controlled the reversing arrangement and changed current direction and keeps the main shaft suitable when switch connection clockwise
Hour hands rotation；The controller, which controls the reversing arrangement change current direction, when counterclockwise switch connection makes the main shaft
Rotation counterclockwise.
Preferably, in above-mentioned milling machine spindle operation control system, the controller for can according to pre-set programs control institute
State the controller that main shaft is rotated clockwise or rotated counterclockwise.
It preferably, further include the prison for monitoring the main shaft direction of rotation in above-mentioned milling machine spindle operation control system
Device is surveyed, the monitoring device and the controller are electrically connected.
Preferably, in above-mentioned milling machine spindle operation control system, the controller is for according to the monitoring device
Monitoring result judges the controller whether main shaft rotates according to preset rotation direction, further includes in the main shaft not according to pre-
If carrying out the warning device of warning note when direction of rotation rotates.
Preferably, in above-mentioned milling machine spindle operation control system, the warning device is combined aural and visual alarm or audio alert
Device.
Preferably, in above-mentioned milling machine spindle operation control system, the controller be for by the main shaft not according to pre-
The controller that error message when if direction of rotation rotates is recorded.
It preferably, further include for the monitoring knot according to the monitoring device in above-mentioned milling machine spindle operation control system
Fruit shows the display device of the direction of rotation of the main shaft.
Milling machine spindle operation control system provided by the invention includes main shaft coil, power supply, reversing arrangement and controller.Its
In, main shaft coil, which is used to generate magnetic field in its energization, drives main shaft rotation；Power supply is used for main shaft coil power supply, i.e., to main shaft
Coil input current；Controller and reversing arrangement are electrically connected, and for controlling reversing arrangement, change main shaft by reversing arrangement
The electric current input direction of circle controls the steering of main shaft to reach the control to input current direction.
When using milling machine spindle operation control system provided by the invention, the electric current that power supply provides is input to through reversing arrangement
Main shaft coil, the control by controller to reversing arrangement to change the electric current input direction of main shaft coil, and then change main shaft
Steering, rotate clockwise it can either, can also rotate counterclockwise.Therefore, to the isostructural process of PTH half bore
In, it can be rotated clockwise by controlling main shaft, and milling cutter row knife direction is on the left of half bore to the left to processing, due to section
Substrate layer is leaned against, the extension of metal layer and the disengaging of metal layer and hole wall are effectively prevented, to avoid the production of burr
It is raw；For the right side of half bore, then reversing arrangement is controlled to change the electric current input direction of main shaft coil by controller, make main shaft
Rotation counterclockwise, milling cutter row knife direction, since section also leans against substrate layer, prevents metal to the right to processing on the right side of half bore
The extension of layer and the disengaging of metal layer and hole wall, avoid burr from generating.Therefore by control main shaft direction of rotation, to half bore plus
Work avoids burr generation, and then avoids adverse effect of the burr to following process process.Meanwhile defeathering is removed without secondary operation
Thorn, effectively increases processing efficiency.And it is not necessarily to secondary drilling technique, avoid the adverse effect for boring inclined double of hole precision.To sum up
It is described, process generation can easily and effectively be completely removed using milling machine spindle operation control system provided by the invention
Burr, and then production efficiency is improved, reduce production cost.
In order to reach above-mentioned second purpose, the present invention also provides a kind of milling machine, which includes any of the above-described kind of milling
Bed main shaft operation control system.Since above-mentioned milling machine spindle operation control system has above-mentioned technique effect, there is the milling machine
The milling machine of main shaft operation control system should also have corresponding technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of milling machine spindle operation control system provided by the invention.
It is marked in attached drawing as follows:
Main shaft coil 101, controller 102, frequency converter 103, power supply 104.
Specific embodiment
The embodiment of the invention discloses a kind of milling machine spindle operation control systems, are processed and are produced with removal milling machine easily and effectively
Raw burr.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of structure of specific embodiment of milling machine spindle operation control system provided by the invention
Schematic diagram.
In a specific embodiment, milling machine spindle operation control system provided by the invention include main shaft coil 101,
Power supply 104, reversing arrangement and controller 102.
Wherein, main shaft coil 101 is used to drive main shaft rotation when it is powered and generates magnetic field, and power supply 104 is used for main shaft
Coil 101 is powered, i.e., to 101 input current of main shaft coil.The setting positional structure etc. of specific main shaft coil 101 please refers to existing
Technology, details are not described herein again.The design parameter of power supply 104, the principle to 101 input current of main shaft coil to drive main shaft to rotate
Deng specific related setting and principle during also refer to the prior art, also repeat no more herein.
Reversing arrangement is set between power supply 104 and main shaft coil 101, and is electrically connected with the two.The electricity of power supply 104
Reversing arrangement is flowed through to be input in main shaft coil 101.Reversing arrangement for changing electric current flow direction, that is, change entering spindle
The current direction of coil 101, and then change the direction of rotation of main shaft.Controller 102 and reversing arrangement are electrically connected, for controlling
The working condition of reversing arrangement, and then achieve the purpose that control 101 electric current input direction of main shaft coil.Controller 102 can be with
For the built-in controller of reversing arrangement, or the controller 102 being set to outside reversing arrangement.Specific controller 102
The setting of model and design parameter can be selected according to actual needs, be not specifically limited herein, only need to reach
To the control to 101 input current direction of main shaft coil.
Based on burr Producing reason, by taking PTH half bore as an example, a plated through-hole is in PCB unit shape, both ends difference
For the first intersection point and the second intersection point, the second intersection point is feed mouth, and the first intersection point is the edge of a knife.So when the milling cutter of dextrorotation is arrived in milling
When second intersection point, the second intersection point is by a shearing force F to the right.Ideally shearing force F cuts the second point of intersection
It is disconnected.But being attached to the copper on hole wall has ductility and toughness, and milling cutter is switching to metalization layer of the hole wall based on copper
When, it is also easy to produce burr residual.And in most cases, since milling cutter is when cutting to the section of the first intersection point, first
The via hole layer of the first intersection point is cut to, the first intersection point metalization layer is as with the via hole layer of the second intersection point, meeting
Since deformation occurs for the ductility of metal, but the first intersection point section leans against substrate layer, effectively prevents the extension of metal layer
And the disengaging of metal layer and hole wall, thus burr is general only in the second intersection point without generating in the first intersection point.
Based on this, when using milling machine spindle operation control system provided by the invention, the electric current that power supply 104 provides is through commutating
Device is input to main shaft coil 101, the control by controller 102 to reversing arrangement, defeated with the electric current for changing main shaft coil 101
Enter direction, and then change the steering of main shaft, rotate clockwise it can either, can also rotate counterclockwise.Therefore, to PTH
In the isostructural process of half bore, pcb board loads onto milling machine, can first determine milling position clockwise and mill position counterclockwise, and
The control of controller 102 main shaft, which accordingly rotates, afterwards processes corresponding position.Specifically, can be revolved clockwise by controlling main shaft
Turn, and milling cutter row knife direction, since section leans against substrate layer, effectively prevents gold to the left to processing on the left of half bore
Belong to the extension of layer and the disengaging of metal layer and hole wall, to avoid the generation of burr；For the right side of half bore, then pass through control
Device 102 controls reversing arrangement to change the electric current input direction of main shaft coil, rotates spindle axis counterclockwise, milling cutter row knife direction to
The right side on the right side of half bore to processing, and since section also leans against substrate layer, prevents extension and metal layer and the hole wall of metal layer
Disengaging, avoid burr from generating.Therefore by control main shaft direction of rotation, double of hole machined avoids burr generation, and then keeps away
Exempt from adverse effect of the burr to following process process.Meanwhile flash removed is removed without secondary operation, effectively increase processing efficiency.
And it is not necessarily to secondary drilling technique, avoid the adverse effect for boring inclined double of hole precision.It after processing is completed can be by transfer plate by PCB
Plate transports.Add in conclusion can easily and effectively be completely removed using the milling machine spindle operation control system of body of the present invention
The burr that work process generates.
Specifically, reversing arrangement can use frequency converter 103, and controller 102 can connect in main shaft coil 101 and frequency conversion
Between device 103, and then convenient for controlling frequency converter 103 to change the electric current input direction of main shaft coil 101.Certainly, reversing arrangement
It can also can change the equipment of 101 electric current input direction of main shaft coil, such as setting by combinational using others
It sets.
Further, for switch clockwise and counterclockwise convenient for the control to spindle rotating direction, can be set on controller 102
Switch, controller 102, which controls reversing arrangement and changes current direction, when switch connection clockwise rotates clockwise main shaft；Counterclockwise
Controller 102, which controls reversing arrangement change current direction, when switch connection rotates spindle axis counterclockwise.And then when processing, pass through hand
Clockwise on dynamic operation controller 102 switchs and counterclockwise switch controls the direction of rotation of main shaft, with easily into
The processing of the positive and negative milling of row, side metal chemical industry skill etc., effectively removes the burr of process generation.
On the basis of the various embodiments described above, controller 102 can be clockwise for that can control main shaft according to pre-set programs
Rotation and the controller 102 rotated counterclockwise.Namely by inputting pre-set programs before processing starts, start after processing certainly
It is dynamic to be processed according to pre-set programs.When processing, pcb board is loaded into milling machine, the milling position clockwise positioned according to pre-set programs
It sets and mills position counterclockwise, milling position clockwise and the counterclockwise position coordinates of milling position can be specifically positioned, then according to position
Coordinate and corresponding direction of rotation control motion of main shaft, are processed.Pre-set programs generally comprise clockwise milling position, counterclockwise
Mill position, corresponding main shaft rotates clockwise revolving speed and spindle axis counterclockwise rotary rpm etc., controller 102 according to pre-set programs to
Reversing arrangement sends control instruction, processes it automatically to workpiece according to pre-set programs.Reversing arrangement is for changing main shaft
Direction of rotation, the prior art can refer to for the feed motion of milling cutter opposite piece.Controller 102 is for controlling reversing arrangement
To control main shaft direction of rotation, controller 102 as needed can be used for the progress of the feed motion to milling cutter opposite piece
Control.Specifically touch screen can be set on controller 102, pre-set programs are configured by touch screen.Certainly, may be used
To be configured by way of other routines to pre-set programs.
It further, can also be into one to ensure that main shaft can carry out clockwise or counterclockwise according to pre-set programs
The monitoring device for monitoring main shaft direction of rotation is arranged in step, and monitoring device and controller 102 are electrically connected, and then will monitoring
To main shaft direction of rotation information feed back to controller 102.Specifically, monitoring device can be to be able to detect the biography of direction of rotation
Sensor.
Further, controller 102 can for for the monitoring result according to monitoring device judge main shaft whether according to
The controller 102 of preset rotation direction rotation.And milling machine spindle operation control system further includes in main shaft not according to default rotation
The warning device of warning note is carried out when direction rotates.Namely monitoring result is sent to controller 102 by monitoring device, control
Device 102 works as whether the direction of rotation of forward spindle is preset rotation direction according to the testing result and pre-set programs judgement, if so,
Then main shaft rotation is normal；If not, main shaft rotation is abnormal, abnormal signal is sent to warning device by controller 102, and then is alarmed
Device is alarmed, to prompt operator to carry out respective handling.By above-mentioned setting, pass through pre-set programs in controller 102
Automatically control motion of main shaft carry out work pieces process when, can monitor in real time main shaft rotation it is whether normal, it is timely in unit exception
Warning note is carried out, and then guarantees that process is errorless, avoids loss caused by unit exception.
Specifically, warning device can be combined aural and visual alarm or phonetic alarm.By combined aural and visual alarm in noisy work
Make that operator can also be reminded to process exception in environment, convenient for being handled in time.It then can be direct using phonetic alarm
Operator is reminded abnormal situation specifically occur, identification is high.It certainly, as needed can also be using other in the prior art
Common warning device.
In order to be recorded to abnormal conditions, may be used also convenient for later maintenance and the analysis of abnormal producing cause, controller 102
Error message when with for not rotating main shaft according to preset rotation direction records.Namely when 102 basis of controller
The monitoring result of monitoring device judges whether main shaft rotates according to preset rotation direction, if it is not, then the monitoring result is marked
For error message and record.As a result, the later period can by read record error message, carry out corresponding analysis, with to system into
Row debugging.Specifically, can be recorded by the period of preset time to avoid committed memory excessive.
Further, milling machine spindle operation control system provided by the invention can also include for according to monitoring device
Monitoring result shows the display device of the direction of rotation of main shaft.It, can namely at the direction of rotation of monitoring device monitoring main shaft
Monitoring result is sent to controller 102, controller 102, which sends corresponding display to display device according to the testing result, to be believed
Breath, to characterize main shaft direction of rotation.Specific display device can be display screen, on a display screen by text information to main shaft
Rotation results are shown.Main shaft rotation results can also be shown by image information or colouring information, as main shaft is suitable
Hour hands then show clockwise arrow when rotating, spindle axis counterclockwise then shows counterclockwise arrow when rotating；Or when main shaft is clockwise
Display screen display green when rotation, and display screen is displayed in red when spindle axis counterclockwise rotation.
Specifically, controller 102 can be with reversing arrangement by being wirelessly connected, to realize long-range control.And then operator
Member can remotely control main shaft, such as remote setting pre-set programs process workpiece.Controller 102 can also lead to
Cross GPS etc. the error signal of record is sent in exchange database, so as to the long-range read error information of engineer and to its into
Row analysis.
The milling machine spindle operation control system provided in based on the above embodiment, the present invention also provides a kind of milling machines, should
Milling machine includes any one milling machine spindle operation control system in above-described embodiment.Since the milling machine uses in above-described embodiment
Milling machine spindle operation control system, so the beneficial effect of the milling machine please refers to above-described embodiment.Other each composition systems of milling machine
System, such as cooling system for cooling down the spindle operation of main shaft rotation generation heat, the frictional force for reducing main shaft rotation.Increase
Adding lubricating system of main shaft rotary speed etc., refer to the prior art, and details are not described herein again.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of milling machine spindle operation control system drives the main shaft coil of main shaft rotation including being powered generation magnetic field and is used for
To the power supply of the main shaft coil input current；It is characterized in that, further including being inputted for changing the electric current of the main shaft coil
The reversing arrangement in direction and controller for controlling the reversing arrangement, the reversing arrangement be connected to the main shaft coil with
It is electrically connected between the power supply and with the controller；The controller is rotated clockwise by controlling the main shaft, and is milled
Knife row knife direction on the left of half bore to the left to processing, and by controlling the reversing arrangement to change the electric current of main shaft coil
Input direction rotates the spindle axis counterclockwise, and milling cutter row knife direction on the right side of half bore to the right to processing.
2. milling machine spindle operation control system according to claim 1, which is characterized in that the reversing arrangement is frequency conversion
Device, the controller are connected between the main shaft coil and the frequency converter.
3. milling machine spindle operation control system according to claim 1, which is characterized in that be provided on the controller suitable
Hour hands switch and counterclockwise switch, the controller controlled the reversing arrangement and changed electric current side when switch connection clockwise
To rotating clockwise the main shaft；Counterclockwise switch controller control reversing arrangement change electric current when connecting
Direction rotates the spindle axis counterclockwise.
4. milling machine spindle operation control system according to claim 1-3, which is characterized in that the controller is
The controller that the main shaft is rotated clockwise or rotated counterclockwise can be controlled according to pre-set programs.
5. milling machine spindle operation control system according to claim 4, which is characterized in that further include for monitoring the master
The monitoring device of axis direction of rotation, the monitoring device and the controller are electrically connected.
6. milling machine spindle operation control system according to claim 5, which is characterized in that the controller is for basis
The monitoring result of the monitoring device judges the controller whether main shaft rotates according to preset rotation direction, further includes in institute
State the warning device that warning note is carried out when main shaft is not rotated according to preset rotation direction.
7. milling machine spindle operation control system according to claim 6, which is characterized in that the warning device is acousto-optic report
Alert device or phonetic alarm.
8. milling machine spindle operation control system according to claim 5, which is characterized in that the controller is for by institute
State the controller that error message when main shaft is not rotated according to preset rotation direction is recorded.
9. milling machine spindle operation control system according to claim 5, which is characterized in that further include for according to the prison
The monitoring result of survey device shows the display device of the direction of rotation of the main shaft.
10. a kind of milling machine, which is characterized in that including the described in any item milling machine spindle operation control systems of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610137914.1A CN107175360B (en) | 2016-03-10 | 2016-03-10 | Milling machine and milling machine spindle operation control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137914.1A CN107175360B (en) | 2016-03-10 | 2016-03-10 | Milling machine and milling machine spindle operation control system |
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| CN107175360A CN107175360A (en) | 2017-09-19 |
| CN107175360B true CN107175360B (en) | 2019-07-26 |
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| CN201610137914.1A Active CN107175360B (en) | 2016-03-10 | 2016-03-10 | Milling machine and milling machine spindle operation control system |
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| CN108391377A (en) * | 2018-03-06 | 2018-08-10 | 东莞森玛仕格里菲电路有限公司 | A kind of edges of boards electroplating bath goes burr manufacture craft |
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| CN101152674A (en) * | 2006-09-28 | 2008-04-02 | 日立比亚机械股份有限公司 | Figuration processing method |
| CN101720173A (en) * | 2009-11-20 | 2010-06-02 | 深南电路有限公司 | Method for processing PCB |
| CN102271862A (en) * | 2009-01-14 | 2011-12-07 | 米凯特罗尼克有限公司 | Drilling head for printed circuit boards |
| CN102970834A (en) * | 2011-09-02 | 2013-03-13 | 悦虎电路(苏州)有限公司 | Method for fabricating circuit board metallized half hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63134102A (en) * | 1986-11-21 | 1988-06-06 | Mitsubishi Heavy Ind Ltd | Vibration preventing device for main spindle of machine tool |
| JP5005986B2 (en) * | 2006-08-17 | 2012-08-22 | オークマ株式会社 | Main shaft braking device |
| JP2013059818A (en) * | 2011-09-12 | 2013-04-04 | Shinetsu Fujitsu Kk | Method of machining printed circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152674A (en) * | 2006-09-28 | 2008-04-02 | 日立比亚机械股份有限公司 | Figuration processing method |
| CN102271862A (en) * | 2009-01-14 | 2011-12-07 | 米凯特罗尼克有限公司 | Drilling head for printed circuit boards |
| CN101720173A (en) * | 2009-11-20 | 2010-06-02 | 深南电路有限公司 | Method for processing PCB |
| CN102970834A (en) * | 2011-09-02 | 2013-03-13 | 悦虎电路(苏州)有限公司 | Method for fabricating circuit board metallized half hole |
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