CN1079312C - Machining apparatus - Google Patents
Machining apparatus Download PDFInfo
- Publication number
- CN1079312C CN1079312C CN96121982A CN96121982A CN1079312C CN 1079312 C CN1079312 C CN 1079312C CN 96121982 A CN96121982 A CN 96121982A CN 96121982 A CN96121982 A CN 96121982A CN 1079312 C CN1079312 C CN 1079312C
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- CN
- China
- Prior art keywords
- data
- machining
- locus data
- machining locus
- control device
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/182—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by the machine tool function, e.g. thread cutting, cam making, tool direction control
Abstract
To carry out the moving control of a tool by using a processing locus data directly, by providing an NC control device to control the movement of the tool by using directly the machining locus data which consists of a moving amount group of the tool at every specific time from a machining hole form. An out-of-roundness measuring machine 11 measures the out-of- roundness of the processing hole of a work which finishes the test process, and outputs the deflection of the normal line direction with a target machining locus at every specific angle. A personal computer 21 operates a machining locus data depending on the initial values as to the machining hole form such as the machining hole diameter and the feed speed of tool. To an NC control device 7, the processing locus data produced by the personal computer 21 is input, and this data is stored in a storing area 9.
Description
The present invention relates to a kind of utilization and be installed in the rotation of the instrument (end mill(ing) cutter) on the main shaft and the processing unit (plant) that bore hole processing is carried out in revolution.
Japanese Patent Application Publication spy opens flat 6-8105 and has disclosed a kind of known processing unit (plant), it is divided into a plurality of intervals with the excircle of processed cylindrical workpiece with the angle of stipulating (15 degree), detect excircle of workpiece deviation on each cut-point place normal direction on week during process finishing with the circularity determinator in examination, and according to this testing result obtain and each cut section between corresponding instrument move radius, allow instrument carry out circular arc with above-mentioned mobile radius between each cut section and move, thereby prevent that former thereby roundness that cause reduces by the distortion of workpiece etc.
In above-mentioned known technology, on between each marker space of the excircle of workpiece, utilize G02 (G03) instruction, allow instrument move to carry out circular arc corresponding to the mobile radius between this cut section, under the situation that adopts above-mentioned G02 (G03) instruction, by be arranged on NC control device in the processing unit (plant) in process according to above-mentioned mobile radius, calculate X-axis and the y-axis shift momentum of instrument every the scheduled time, come moving of control tool according to the amount of movement that calculates, like this, when determining the feed speed of instrument, just must consider the operation time of NC control device, thereby the instrument that is unsuitable for carries out High-speed machining with the such translational speed of for example per minute 8000mm.In addition, because excircle of workpiece week is cut apart meeting every 15 degree to be formed between bigger cut section, therefore obtaining average mobile radius according to the testing result of circularity determinator, and carrying out in the development of circularity correction, existing the problem that to carry out simple modifications with this.
The object of the present invention is to provide a kind ofly can be suitable for carrying out High-speed machining, and can improve the processing unit (plant) of machining hole roundness precision.
In order to realize above-mentioned purpose of the present invention, processing unit (plant) utilization of the present invention is installed in the rotation and the revolution of instrument on its main shaft and carries out the processing in hole, it is characterized in that comprising calculation element, be used for according to the machining hole shape, calculate the machining locus data that constituted every the amount of movement group of the scheduled time by instrument, and conveyer, the machining locus data that are used for that the aforementioned calculation device is calculated are delivered to the NC control device that is arranged on the processing unit (plant) body, described NC control device directly adopts the machining locus data of sending here, and the mobile of instrument controlled.
In above-mentioned processing unit (plant), preferably also comprise the circularity determinator, obtain new machining locus data according to the detection data of this circularity determinator, described NC control device directly adopts these new machining locus data to come moving of control tool.
In above-mentioned processing unit (plant), also comprise conveyer, be used for the detection data of described circularity determinator are delivered to described calculation element, described calculation element calculates the machining locus data that make new advances according to the detection data that are transmitted.
Because processing unit (plant) of the present invention comprises calculation element, be used for according to the machining hole shape, calculate the machining locus data that constituted every the amount of movement group of the scheduled time by instrument, and conveyer, the machining locus data that are used for that the aforementioned calculation device is calculated are delivered to the NC control device that is arranged on the processing unit (plant) body, described NC control device directly utilizes the machining locus data of sending here that the mobile of instrument controlled, thereby a kind of processing unit (plant) that is suitable for carrying out High-speed machining is provided.Because processing unit (plant) of the present invention also comprises the circularity determinator, obtain new machining locus data according to the detection data of this circularity determinator, described NC control device directly adopts these new machining locus data to come moving of control tool, thereby can improve the roundness of machining hole.Because processing unit (plant) of the present invention also comprises conveyer, is used for the detection data of described roundness determinator are delivered to described calculation element, described calculation element calculates the machining locus that makes new advances according to the detection data that are transmitted.
Below in conjunction with accompanying drawing the Application Example of processing unit (plant) of the present invention in machining is illustrated.Wherein:
Fig. 1 is the general view of processing unit (plant) of the present invention;
Figure 2 shows that the storage area of NC control device;
Fig. 3 is the view that is used to illustrate the action of high speed cyclic process;
Figure 4 shows that the detection data;
Figure 5 shows that the detection data;
Figure 6 shows that the machining locus data;
Figure 7 shows that machining locus data computing method;
Figure 8 shows that the correction data;
Figure 9 shows that the modified computing method of machining locus data;
Figure 10 is the flow chart that is used to illustrate processing unit (plant) working method of the present invention.
At first, as shown in Figure 1, on the lathe 2 at machining center 1, be equipped with can on fore-and-aft direction, move freely one move fuselage 3.On above-mentioned mobile fuselage 3, a main tapping that can freely move up and down 4 is installed, the main shaft 5 that can rotate freely has been installed in this main tapping 4.1 place also is provided with the tool storage room 6 that multiple instrument is housed at above-mentioned machining center, and the tool replacing apparatus (not shown) that the instrument in this tool storage room 6 and the instrument on the main shaft 5 are exchanged, to the moving of mobile fuselage 3 and main tapping 4, the rotation of main shaft 5 and the NC control device 7 that the instrument swap operation is controlled.
In above-mentioned NC control device 7, be furnished with microprocessor 8 and memory 9, described microprocessor 8 is known, be used for the following machining locus data by the computer generation that will illustrate are sent into described NC control device 7, described storage area 9 is used to store the machining locus data of delivering to NC control device 7.As shown in Figure 2, in the variable number of above-mentioned storage area 9 is the address of #20000, store the heading message of machining locus data, in the indicated variable number of this heading message, stored the data message of machining locus data.In the control program of NC control device 7, be provided with and be used for the G05 instruction that implementation tool moves, when carrying out this G05 instruction, as shown in Figure 3, instrument T (end mill(ing) cutter) is ordered the track of being described along a point, b point, c point, d point, c point, e successively from a point beginning and is carried out the high speed cyclic process.
Secondly, the roundness of the workpiece machining hole that is obtained after 11 pairs of examinations of circularity determinator as shown in Figure 1 process finishing detects, and will be exported (shown in Fig. 4,5) as detecting data 12 every the deviation between predetermined angular (for example 1 degree) and target machining locus (just round) normal direction.The computer that will illustrate below by floppy disk (conveyer) the output data 12 of above-mentioned circularity determinator 11 being sent to.
Secondly, imported by keyboard 22 as the personal computer shown in the calculation element 21 (to call computer in the following text) among Fig. 1, and be equipped with according to initial values relevant such as processing aperture, tool feeding speed and come calculating processing track data 23 program of (as shown in Figure 6) with processed hole shape.By boxlike ROM20 (conveyer), above-mentioned machining locus data 23 are delivered in the storage area 9 of NC control device, in the heading message part 23a of machining locus data 23, for example, N20000P1 represents " storing 1 in the #20000 of above-mentioned storage area 9 high speed cyclic process catalogue number ", and N20001P1 represents " storing 1 in the #20001 cycle-index with storage area 9 ".
Program to the data message 23b of calculating processing track data 23 describes below, wherein only the account form that begins circular arc till the c point data message 23b moving from the c point among Fig. 3 is illustrated.When processing the aperture is 80mm, and when carrying out the high speed cyclic process with the tool feeding speed of 8000mm/min, instrument T every the displacement of 4msec is:
(8000/60) * (4/1000)=0.533mm is according to this displacement, and the circumference circle of machining hole is divided into that number is between cut section:
(80* π)/0.533=471 is individual to be cut apart 360 degree with above-mentioned interval number order, thereby calculate the move angle of instrument T in 4msec be:
360 degree/471=0.764 degree like this, the calculation procedure of computer 21 just as shown in Figure 7, obtain the machining hole track (just round) and coordinate values (Xn, the Yn) (n=0,1,2 of intersection point every the normal of 0.764 degree move angle as target trajectory ...), according to above-mentioned coordinate values (Xn, Yn), calculate instrument T every the amount of movement of 4msec on X-axis and Y direction, with the amount of movement group that calculates like this data message 23B as machining locus data 23.In the data message 23b of machining locus data 23 shown in Figure 6, for example, N30100P0 and N31100P0 represent " the X-axis amount of movement of the #30100 of storage area 9, the y-axis shift momentum of #31100 are stored as (0,0) ".
In aforementioned calculation machine 21, be provided with revision program, the detection data 12 that this revision program is transmitted according to circularity determinator 11, produce and these reverse correction data 31 (as shown in Figure 8) of positive negative value that detect data 12, calculate then with above-mentioned elegant correction data 31 and carry out revised new machining locus data 23.As shown in Figure 9, obtain coordinate values (X ' 1, Y ' 1) according to the deviate dH that revises data 31, obtain the intersection point coordinate values (X " 1, Y " 1) of normal of 4msec move angle 0.764 degree of line between this coordinate values and the coordinate values (X0, Y0) and described instrument T then, according to this coordinate values (X " 1, Y " 1), calculate X-axis and the y-axis shift momentum of instrument T when 4msec moves.After this, in the same way, obtain coordinate values (X " n, Y " n) and coordinate values (X ' n+1, Y ' n+1) (n=1,2 successively ...) line and the intersection point coordinate values (X " n+1, Y " n+1) of normal, thereby obtain instrument T at X-axis when 4msec moves and y-axis shift momentum, the amount of movement group of calculating has so just constituted the data message 23b of new machining locus data 23.
The revision program of aforementioned calculation machine 21 is used to also to judge that the detection data of being carried by roundness determinator 11 12 whether within predetermined allowed band, if surpass this allowed band, then revise machining locus data 23; If do not surpass this allowed band, just begin to carry out normal process.
The flow chart that provides according to Figure 10 below describes the working method of processing unit (plant) with said structure.At first, operate computer 21 keyboards 22, input and the processing aperture (80mm) of high speed cyclic process, the initial value (S1) of tool feeding speed relevant machining shapes such as (8000mm/min) by the operator.After this, according to above-mentioned initial value, calculate the machining locus data 23 (S2) that instrument T is constituted every X-axis and the y-axis shift momentum group of 4msec by the calculation procedure of computer 21, by boxlike ROM20, above-mentioned machining locus data 23 are delivered to the NC control device 7 (S3) at machining center 1 then.When the control program of NC control device 7 sends the G05 instruction, NC control device 7 is according to the heading message 23a of machining locus data 23, the data information stored 23b of institute allows instrument carry out high speed cyclic process (S4) along a point, b point, c point, d point, c point, e point, the represented track of a point successively as the X-axis and the y-axis shift momentum of instrument T every 4msec after directly adopting the #30100 in the storage area.
After this, when above-mentioned high speed cyclic process finishes, adopt circularity determinator 11 to detect the roundness (S5) of this workpiece machining hole, and will detect data 12 and deliver to computer 21 (S6) by diskette 13.Adopt the revision program of computer 21 to judge by the represented roundness of the detection data sent here 12 whether within the range of permission (S7).If above-mentioned roundness within allowed band, with regard to former state fixedly use the machining locus data of in above-mentioned steps S2, being calculated 23 come in the row normal high speed cyclic process (S10).Surpassed the scope that allows if in step S7, find to detect data 12 represented roundness, then the revision program by computer 21 produces revisal data 31 (S8) according to detecting data 12, utilize above-mentioned revisal data 31 to revise then, the machining locus data 23 (S9) that calculating makes new advances, the machining locus data 23 that this is new are delivered to the NC control device 7 (S3) at machining center 1.After this, in the mode identical, directly adopt these new machining locus data 23 to carry out the high speed cyclic process, and the roundness through the machining hole after the processing is detected with above-mentioned steps S4-S7, judge whether this roundness meets the requirements, and then repeat aforesaid operations.
In the above-described embodiments, owing to can utilize instrument T (end mill(ing) cutter) to carry out the processing in hole with its rotation and revolution mode, so even only use an end mill(ing) cutter T just can process a plurality of holes with different apertures.In addition, owing to do not need to adopt special bore hole knife bar, thereby can provide than short process-cycle and lower processing price for client.In addition, the G05 that is sent by NC control device 7 instructs, directly utilize according to end mill(ing) cutter T and come moving of control end milling cutter T every the data message 23b that X-axis and the y-axis shift momentum group of 4msec generated, and in the past in the process of the G02 that adopts instruction, the NC control device needs the amount of movement of computational tool on one side, on one side the mobile of end mill(ing) cutter controlled, by comparison, the present invention can make end mill(ing) cutter moving relative to higher feed speed, thereby implementation tool carries out High-speed machining with the feed speed up to 8000mm/min.In addition, cause is by revising every the data message 23b of the machining locus data 23 of 4msec amount of movement having end mill(ing) cutter T, thereby improved roundness, the interval of 15 degree will be divided into the past excircle of workpiece week, the mode that these cut zone are revised is compared, can improve the precision of roundness.In addition, owing to utilized computer 21 automatically machining locus data 23 to be calculated and revised, and compare, have the generation time of saving data and the effect that improves data precision by artificial calculating processing track and correction.
Claims (1)
1, a kind of processing unit (plant) utilizes the rotation of the instrument on its main shaft that is installed in and revolution to carry out the processing in hole, it is characterized in that comprising:
Calculation element is used for according to the machining hole shape, calculates the machining locus data that constituted every the amount of movement group of the scheduled time according to instrument;
Conveyer, the machining locus data that are used for that the aforementioned calculation device is calculated are delivered to the NC control device that is arranged on the processing unit (plant) body; Described NC control device directly adopts the machining locus data of sending here, and the mobile of instrument controlled;
The circularity determinator is obtained new machining locus data according to the detection data of this circularity determinator, and described NC control device directly adopts these new machining locus data to come moving of control tool;
Conveyer is used for the detection data of described circularity determinator are delivered to described calculation element, and described calculation element calculates the machining locus data that make new advances according to the detection data that are transmitted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP303781/95 | 1995-10-27 | ||
| JP7303781A JPH09123038A (en) | 1995-10-27 | 1995-10-27 | Machining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1161260A CN1161260A (en) | 1997-10-08 |
| CN1079312C true CN1079312C (en) | 2002-02-20 |
Family
ID=17925216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96121982A Expired - Fee Related CN1079312C (en) | 1995-10-27 | 1996-10-26 | Machining apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH09123038A (en) |
| KR (1) | KR100235904B1 (en) |
| CN (1) | CN1079312C (en) |
| TW (1) | TW332790B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4786078B2 (en) * | 2001-08-20 | 2011-10-05 | 三菱重工業株式会社 | Continuous width changing method for side trimmer equipment |
| CN102825500A (en) * | 2012-09-22 | 2012-12-19 | 无锡华联精工机械有限公司 | Axial detection tracker of circular seam back chipping edge milling machine |
| JP6457418B2 (en) | 2016-03-23 | 2019-01-23 | ファナック株式会社 | Machining program creation device |
| CN106964823B (en) * | 2017-03-09 | 2019-08-13 | 大连理工大学 | A kind of method for supporting of large thin-walled component mirror image process support side |
| CN111545806B (en) * | 2020-05-27 | 2023-03-28 | 苏州春兴精工股份有限公司 | Blank surface processing technology combining measuring head and tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598952A1 (en) * | 1986-05-21 | 1987-11-27 | Toyoda Machine Works Ltd | ADAPTATION CONTROL APPARATUS FOR MACHINE TOOL |
| DE3719167C1 (en) * | 1987-06-09 | 1988-11-03 | Klingelnberg Soehne | Numerically controlled PCB processing machine |
| JPH068105A (en) * | 1992-06-29 | 1994-01-18 | Komatsu Ltd | Cylindrically machining device |
-
1995
- 1995-10-27 JP JP7303781A patent/JPH09123038A/en active Pending
-
1996
- 1996-10-14 TW TW085112520A patent/TW332790B/en active
- 1996-10-26 CN CN96121982A patent/CN1079312C/en not_active Expired - Fee Related
- 1996-10-28 KR KR1019960049055A patent/KR100235904B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598952A1 (en) * | 1986-05-21 | 1987-11-27 | Toyoda Machine Works Ltd | ADAPTATION CONTROL APPARATUS FOR MACHINE TOOL |
| DE3719167C1 (en) * | 1987-06-09 | 1988-11-03 | Klingelnberg Soehne | Numerically controlled PCB processing machine |
| JPH068105A (en) * | 1992-06-29 | 1994-01-18 | Komatsu Ltd | Cylindrically machining device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW332790B (en) | 1998-06-01 |
| JPH09123038A (en) | 1997-05-13 |
| CN1161260A (en) | 1997-10-08 |
| KR100235904B1 (en) | 1999-12-15 |
| KR970020304A (en) | 1997-05-28 |
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