CN109203073B - Method for improving utilization rate of drill point - Google Patents
Method for improving utilization rate of drill point Download PDFInfo
- Publication number
- CN109203073B CN109203073B CN201811009368.9A CN201811009368A CN109203073B CN 109203073 B CN109203073 B CN 109203073B CN 201811009368 A CN201811009368 A CN 201811009368A CN 109203073 B CN109203073 B CN 109203073B
- Authority
- CN
- China
- Prior art keywords
- drill point
- drill
- service life
- pcb
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 239000011888 foil Substances 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000002648 laminated material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241000587161 Gomphocarpus Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Numerical Control (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a method for improving the utilization rate of a drill point, which comprises the following steps: taking the total depth of the drill point drilling hole as the total service life H of the drill point; recording the bottom dead center M of the drill point0The position of (a); recording of holes M in aluminum foiliThe position of (a); by treating the mouldSubtracter in block and according to bottom dead center M0And drilling M on the aluminum foiliPosition of obtaining the single service life H of the drill pini(ii) a By means of an adder in the processing module and according to the single service life H of the drill pin in each PCB drillingiObtaining the total service life H of the drill pointold(ii) a Total service life H of the drill point by means of a comparator in the processing moduleoldAnd comparing the service life of the drill point with the total service life H of the drill point in real time to judge whether the service life of the drill point is used up. The invention provides a method for improving the utilization rate of a drill point, which solves the contradiction between the drill point cost and the PCB drilling quality in the PCB drilling operation and furthest uses the service life of the drill point on the premise of ensuring the drilling quality.
Description
Technical Field
The invention relates to the field of PCB numerical control machine tools, in particular to a method for improving the utilization rate of a drill point.
Background
Along with the increasing complexity of electronic equipment, the more and more parts that need, circuit and part on the PCB board are also more and more intensive, and the circuit surface of PCB board is equipped with a large amount of functional holes of different sizes, and these holes are processed out through the drill point, because the used repeatedly of drill point and the thickness of the panel that the drill point bored differ, lead to the unable accurate life who calculates the drill point to unable accurate judgement drill point needs to be changed. The service life of the traditional drill point is calculated according to the number of holes, the thickness of a plate is not considered, and in the actual PCB drilling operation, if the plate is thin, the drill point is not fully used, so that waste is caused; if the plate is thick, the drill point is excessively used, and the phenomena of coarse holes, burrs and overlarge nail heads occur in drilling, so that the quality of PCB drilling cannot be guaranteed. Therefore, there is a conflict between the drill point cost and the PCB drilling quality in the PCB drilling operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a method for improving the utilization rate of a drill point, which solves the contradiction between the cost of the drill point and the drilling quality of a PCB in the drilling operation of the PCB and furthest uses the service life of the drill point on the premise of ensuring the drilling quality.
In order to achieve the purpose, the invention adopts the following technical scheme that:
a method of increasing the utilization of a drill bit, comprising the steps of:
s1, obtaining the total service life H of the drill point according to the technological parameters of the drill point; the total life is the total depth of the drill point;
s2, reasonably setting the bottom dead center M of the drill point according to the requirement of PCB drilling operation0Recording said bottom dead center M0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0；
The laminated material for PCB drilling comprises an aluminum foil, a plate and a base plate from top to bottom in sequence, wherein when the PCB is drilled, a drill bit of a drill point penetrates through the aluminum foil and the plate and drills down into the base plate without penetrating through the base plate; bottom dead center M of the drill point0A position for a drill bit of the drill point to drill down into the backing plate;
s3, when the drill point drills the ith PCB, recording the drilled hole M on the aluminum foiliDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machinei；
i represents the number of times the drill point drills the PCB, i is 1, 2, 3, …;
s4, recording data Z0、ZiAnd the total service life H of the drill point is sent to a processing module, and the recorded data Z are processed by a subtracter in the processing module0And ZiPerforming subtraction calculation to obtain the single service life H of the drill point in the ith PCB drillingi，Hi＝Zi-Z01, 2, 3, …, the single life H of the drill pin in the PCB drilling that was performed the ith timeiAnd the total life H of the drill point is stored in a storage module;
s5, through the adder in the processing module, the single service life H of the drill point in each PCB drillingiPerforming addition calculation to obtain the total service life H of the drill point after the drill point performs ith PCB drillingold,Hold＝∑HiI-1, 2, 3, …, total drill point life H after the drill point is drilled for the ith PCBoldStoring the data to a storage module;
s6, comparing the total service life H of the drill point by a comparator in the processing moduleoldComparing with the total service life H of the drill point if HoldIf the drilling point is less than H, continuing the PCB drilling operation, namely, carrying out next PCB drilling by the drilling point; if H isoldAnd H or more, the total service life of the drill point is used up.
In step S1, the process parameters include a thickness d of a suitable plate of the drill point, and a number of times n that the drill point can be used under the thickness of the plate; the total service life of the drill point is calculated in the following mode: h ═ d × n.
In step S2, if the thickness of the pad plate changes, the bottom dead center M of the drill point0Is changed and the bottom dead center M is again recorded0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0。
In step S3, when the drill point drills the PCB, the drill point and the drill hole M on the aluminum foiliContacting and forming a conductive loop and transmitting through the displacement of a grating ruler on the machine toolSensor recording drill hole M on aluminum foiliDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machinei。
In step S4, the processing module and the storage module are both installed on a computer, and the machine tool records data Z through a data line or a network0、ZiAnd sending the data to a processing module.
The invention has the advantages that:
(1) the invention furthest improves the use degree of the drill point and reduces the drill point cost in the PCB drilling operation on the premise of ensuring the drilling quality.
(2) The invention records the single service life of the drill point in real time, and judges whether the total service life of the drill point reaches the total service life of the drill point after each drilling so as to replace the drill point in time and ensure the drilling quality.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a stack up view of a PCB drilling operation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a method for improving the utilization rate of a drill point comprises the following steps:
s1, calculating the total service life H of the drill point according to the technological parameters of the drill point; the total life H is the total depth of the drill point drilling hole.
In step S1, the process parameters include a thickness d of a suitable plate of the drill point, and a number of times n that the drill point can be used under the thickness of the plate; the total service life of the drill point is calculated in the following mode: h ═ d × n.
In this embodiment, taking a drill point with a type R04000 as an example, the diameter of the drill hole of the drill point is 0.30mm, the thickness d of a suitable plate of the drill point is 2.50mm, and the number of times n that the drill point can be used with the thickness of the plate of 2.50mm is 400 times, so that the total life H of the drill point is 1000mm according to the process parameters of the drill point.
The times are the times of PCB drilling by the drill point; the process parameters are basic data or indexes in the process.
S2, as shown in FIG. 2, the lower dead point M of the drill point 10 is set reasonably according to the requirement of PCB drilling operation0Recording said bottom dead center M0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0。
In step S2, the laminated material for PCB drilling includes, from top to bottom, the aluminum foil 20, the plate 30, and the pad 40 in sequence, and when the PCB is drilled, the drill bit of the drill point 10 penetrates through the aluminum foil 20 and the plate 30, and drills down into the pad 40 without penetrating through the pad 40; bottom dead center M of the drill point0In order to drill the drill bit of the drill point 10 into the backing plate 40, in the present embodiment, the drill bit of the drill point 10 is drilled into the backing plate 40, and the depth of the drilled hole in the backing plate 40 is 0.80mm, i.e. the bottom dead center M0The distance L in the Z-axis direction of the machine coordinate system with respect to the contact surface of the plate material 30 and the shim plate 40 was 0.80 mm.
If the thickness of the pad plate 40 is changed, the bottom dead center M of the drill point0Also changes in the position of lower dead center M0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0Also changed, the lower dead point M is recorded again0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0But lower dead center M0The distance L in the Z-axis direction of the machine coordinate system with respect to the contact surface of the sheet 30 and the shim plate 40 does not change, still 0.80mm, i.e. the depth of the hole drilled by the drill bit of the drill point 10 in the shim plate 40 does not change.
S3, as shown in FIG. 2, the drill point 10 records the drilling hole M on the aluminum foil 20 in real time when the ith PCB drilling is performediDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machineiAnd i represents the number of times the drill point 10 drills the PCB, and i is 1, 2, 3, ….
In step S3, when the drill 10 drills the ith PCB, the drill 10 and the drill M on the aluminum foil 20iContacting and forming a conductive loop, recording the drilled hole M on the aluminum foil 20 by a grating ruler displacement sensor on the machine tooliDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machinei。
S4, recording data Z0、ZiAnd the total service life H of the drill point is sent to a processing module, and the recorded data Z is subjected to real-time processing through a subtracter in the processing module0And ZiPerforming subtraction calculation to obtain the single service life H of the drill point in the ith PCB drillingi，Hi＝Zi-Z01, 2, 3, …, the single life H of the drill pin in the PCB drilling that was performed the ith timeiAnd the total life H of the drill bit is stored to the storage module.
In step S4, the processing module and the storage module are both installed on a computer, and the machine tool records data Z through a data line or a network0、ZiAnd sending the data to a processing module.
S5, real-time processing single service life H of drill point in each PCB drilling hole through adder in processing moduleiPerforming addition calculation to obtain the total service life H of the drill point after the drill point performs ith PCB drillingold,Hold＝∑HiI-1, 2, 3, …, total drill point life H after the drill point is drilled for the ith PCBoldAnd storing the data to a storage module.
S6, comparing the total service life H of the drill point by a comparator in the processing moduleoldComparing the total service life H of the drill point in real time, if H is notoldIf the drilling point is less than H, continuing the PCB drilling operation, namely, performing next PCB drilling operation by the drilling point, and executing the step S3; if H isoldAnd if the service life of the drill point is more than or equal to H, the service life of the drill point is used up.
The invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A method for improving the utilization rate of a drill point is characterized by comprising the following steps:
s1, obtaining the total service life H of the drill point according to the technological parameters of the drill point; the total service life H is the total depth of the drill hole of the drill point;
s2, reasonably setting the bottom dead center M of the drill point according to the requirement of PCB drilling operation0Recording said bottom dead center M0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0；
The laminated material for PCB drilling comprises an aluminum foil, a plate and a base plate from top to bottom in sequence, wherein when the PCB is drilled, a drill bit of a drill point penetrates through the aluminum foil and the plate and drills down into the base plate without penetrating through the base plate; bottom dead center M of the drill point0A position for a drill bit of the drill point to drill down into the backing plate;
s3, when the drill point drills the ith PCB, recording the drilled hole M on the aluminum foiliDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machinei；
i represents the number of times the drill point drills the PCB, i is 1, 2, 3, …;
s4, recording data Z0、ZiAnd the total service life H of the drill point is sent to a processing module, and the recorded data Z are processed by a subtracter in the processing module0And ZiPerforming subtraction calculation to obtain the single service life H of the drill point in the ith PCB drillingi，Hi＝Zi-Z01, 2, 3, …, the single life H of the drill pin in the PCB drilling that was performed the ith timeiAnd the total life H of the drill point is stored in a storage module;
s5, through the adder in the processing module, the single service life H of the drill point in each PCB drillingiPerforming addition calculation to obtain the total service life H of the drill point after the drill point performs ith PCB drillingold,Hold＝∑HiI-1, 2, 3, …, total drill point life H after the drill point is drilled for the ith PCBoldStoring the data to a storage module;
s6, comparing the total service life H of the drill point by a comparator in the processing moduleoldComparing with the total life H of the drill bit if HoldIf the drilling point is less than H, continuing the PCB drilling operation, namely, carrying out next PCB drilling by the drilling point; if H isoldIf the service life of the drill point is more than or equal to H, the total service life of the drill point is used up;
in step S1, the process parameters include a thickness d of a suitable plate of the drill point, and a number of times n that the drill point can be used under the thickness of the plate; the total service life of the drill point is calculated in the following mode: h ═ d × n.
2. The method as claimed in claim 1, wherein in step S2, if the thickness of the pad changes, the bottom dead center M of the drill point is determined0Is changed and the bottom dead center M is again recorded0Distance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machine0。
3. The method as claimed in claim 1, wherein in step S3, when the drill bit drills PCB, the drill bit and the drilled hole M on the aluminum foiliContacting and forming a conductive loop, and recording the drilled hole M on the aluminum foil through a grating ruler displacement sensor on a machine tooliDistance Z in the Z-axis direction of the machine coordinate system relative to the origin of the machinei。
4. The method for improving the utilization rate of the drill point as claimed in claim 1, wherein in step S4, the processing module and the storage module are both installed on a computer, and the machine tool records the data Z through a data line or a network0、ZiAnd sending the data to a processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009368.9A CN109203073B (en) | 2018-08-31 | 2018-08-31 | Method for improving utilization rate of drill point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009368.9A CN109203073B (en) | 2018-08-31 | 2018-08-31 | Method for improving utilization rate of drill point |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109203073A CN109203073A (en) | 2019-01-15 |
| CN109203073B true CN109203073B (en) | 2020-11-13 |
Family
ID=64985414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811009368.9A Active CN109203073B (en) | 2018-08-31 | 2018-08-31 | Method for improving utilization rate of drill point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109203073B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101776956B1 (en) * | 2010-12-09 | 2017-09-19 | 두산공작기계 주식회사 | Tool Damage Detection Apparatus For Machine Tool and Detection Method Thereby |
| US9199351B2 (en) * | 2011-05-09 | 2015-12-01 | The Boeing Company | Drilling machine having hole measurement capability |
| CN102900372B (en) * | 2012-10-16 | 2014-05-07 | 中国石油大学(北京) | Method and device for predicting reasonable service life of a PDC drill bit |
| US20160237756A1 (en) * | 2013-11-08 | 2016-08-18 | Halliburton Energy Services, Inc. | Dynamic wear protection for fixed cutter drill bits |
| GB2537541A (en) * | 2014-02-07 | 2016-10-19 | Halliburton Energy Services Inc | Model for estimating drilling tool wear |
| CN107560542A (en) * | 2017-08-28 | 2018-01-09 | 吉林工程技术师范学院 | A kind of Drill Wear Monitoring Using method |
-
2018
- 2018-08-31 CN CN201811009368.9A patent/CN109203073B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109203073A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105430913B (en) | A kind of boring method of printed circuit board | |
| WO2015027701A1 (en) | Implementation method for controlling back drilling stub length with high precision | |
| CN101094562A (en) | Method for deep drilling print circuit board | |
| CN108541145B (en) | Method for drilling hole in PCB | |
| CN109203073B (en) | Method for improving utilization rate of drill point | |
| US20160052068A1 (en) | Method for Producing a Drill Hole and a Drilling Machine for this Purpose | |
| CN113630983B (en) | PCB back drilling processing method and device | |
| CN110351964A (en) | Groove PCB circuit board processing technology | |
| CN106341960B (en) | Method for manufacturing circuit board capable of improving signal transmission performance | |
| CN110893629A (en) | Manufacturing method and drilling machine of circuit board | |
| CN120862798A (en) | PCB drilling quality detection method, system and equipment based on image recognition | |
| CN105750592B (en) | Drill bit selection method and PCB drilling system | |
| CN115604933B (en) | Monitoring method and device for depth-controlled drilling hole, computer equipment and storage medium | |
| CN102054085A (en) | Circuit board production and design system and method | |
| CN108770204A (en) | A kind of drilling method and hole-drilling system of printed circuit board | |
| CN116170968A (en) | Circuit board lead-free tin-spray detection method, device, computer equipment and storage medium | |
| CN114900966A (en) | Near-hole back drilling method for circuit board, communication electronic equipment and processing device | |
| CN114258437B (en) | Accelerated production method for electroformed mold inserts | |
| CN114245592A (en) | PCB drilling method | |
| TWI680704B (en) | Back drilling method of circuit board | |
| CN114559070A (en) | Drilling method based on numerical control drilling machine and numerical control drilling machine | |
| CN114449761A (en) | Method for improving deep V blind hole processing, printed circuit board and application | |
| CN119997366B (en) | Circuit board manufacturing method capable of preventing back drilling from repeated drilling and circuit board | |
| CN112672502A (en) | PCB (printed circuit board), deep forming processing method thereof and numerical control device | |
| CN118201213A (en) | Circuit board drilling control method, drilling system, device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |