CN106493399B - A kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary - Google Patents

A kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary Download PDF

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Publication number
CN106493399B
CN106493399B CN201611135803.3A CN201611135803A CN106493399B CN 106493399 B CN106493399 B CN 106493399B CN 201611135803 A CN201611135803 A CN 201611135803A CN 106493399 B CN106493399 B CN 106493399B
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boring machine
processing
horizontal jig
benchmark
jig boring
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CN106493399A (en
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王德山
刘东晓
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Luoyang Institute of Electro Optical Equipment AVIC
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Luoyang Institute of Electro Optical Equipment AVIC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B35/00Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/04Co-ordinate boring or drilling machines; Machines for making holes without previous marking

Abstract

A kind of method that the present invention proposes 180 ° of processing precise parts of horizontal jig boring machine worktable rotary, 0 ° of position is in horizontal jig boring machine workbench first, clamping tooling, part and reference sphere, beat table centering part datum axis, keep it vertical with the X-axis of stage coordinates system, in the position contour with table plane, use the centre coordinate of infrared probe measuring basis ball, and measure parts to be processed datum axis coordinate, benchmark ball center and datum axis distance to be processed are recorded, processing work platform is in part feature and benchmark when 0 ° of position;Then 180 ° of worktable rotary are equally using infrared probe measuring basis ball center with table plane isometry position, on the basis of reference sphere centre coordinate, in addition the distance value X of precedence record, numerical programming program process feature to be processed.The present invention can program center not in the case where table spindle rotation center and the platen centre of gyration have turn error in part, effectively improve machining accuracy, have wide application value.

Description

A kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary
Technical field
The present invention relates to technical field of mechanical processing, specially a kind of horizontal jig boring machine rotates 180 ° of processing precise parts Method.
Background technique
With the more and more extensive utilization of high precision machine tool, people would generally guarantee element precision with machine tool accuracy, but It is again that advanced lathe is also required to manual debugging, machine tool accuracy is also not unalterable, and machine tool rotary centre coordinate is in single order Section is will not be changed, but causes the expansion of parts clearance or lathe related with the use abrasion and aging of lathe After section components collide, it is likely to change machine tool rotary center.Therefore, machine tool rotary center must periodically be surveyed Amount and verifying, to guarantee the precision of work pieces process.
On the other hand, in order to realize that the high-grade, precision and advanced performance needs of product, more and more parts are public in dimensional accuracy, geometry It is strict in difference, some parts are just needed sleeping plus processing, these part common traits are:
1. needing 180 ° of worktable rotary processing;
2. the position precisions such as the concentricity for needing to guarantee, position degree are higher.
For needing platen to rotate the part of 180 ° of processing, traditionally there are two types of processing methods:1. part is to be added Work eigencenter is placed on table core, and center is programmed using table core as part, then workbench is in 0 ° and 180 ° of rotation Afterwards, eigencenter coordinate value to be processed is constant, without, again to knife, original coordinate system, side can be used after 180 ° of worktable rotary Just it programs;2. part eigencenter to be processed is not necessarily to be placed on table core, at 0 ° of workbench to knife, Cutter coordinate system is determined, After 180 ° of worktable rotary, is calculated using mathematical formulae for machining feature coordinate value, processed.
The shortcomings that traditional diamond-making technique is:First is that part programming center is difficult or can not compile mounted in worktable rotary center After Cheng Zhongxin and table core have position error, part to rotate 180 °, the part feature coordinate value for needing to process should It is constant relative to part geometry benchmark, but because the presence of position error, difference will reappear coordinate after rotation In value, mismachining tolerance is caused;Second is that horizontal jig boring becomes more with processing times, between generating between worm and gear in turntable Gap, turntable rotates within the scope of 0 ° to 180 ° when programming, and backlass can not be eliminated, if backlass is excessive or processing zero The longer words of part, lathe concentricity is possible to influence machine tool rotary precision beyond the margin of tolerance, and then influences part processing essence Degree.That is, because part positioning error and machine tool rotary trueness error can all influence part processing precision.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention proposes that a kind of horizontal jig boring machine rotates 180 ° of processing precises zero The method of part, principle are the originals constant in 180 ° of front and back numerical value of worktable rotary using distance between reference sphere and part benchmark Reason processes part.
The technical scheme is that:
A kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary, it is characterised in that:Including Following steps:
Step 1:Horizontal jig boring machine workbench is set to be in 0 ° of position, clamping tooling, part and reference sphere beat table centering zero Part benchmark, so that datum axis is vertical with the X-axis of stage coordinates system;
Step 2:Reference sphere centre coordinate is being measured away from workbench equal-height position using lathe infrared probe, and is using machine Bed infrared probe measures part datum axis coordinate;Record the distance between benchmark ball center and part datum axis X;
Step 3:Processing work platform is in part feature and benchmark when 0 ° of position;
Step 4:By 180 ° of horizontal jig boring machine worktable rotary, lathe infrared probe is reused away from workbench equal-height Position measures reference sphere centre coordinate;The distance between the benchmark ball center obtained by step 2 and part datum axis X, establishment Numerical control program is used in processing;
Step 5:Processing work platform is in part feature when 180 ° of positions.
Beneficial effect
The present invention, which rotates 180 ° of processing machine parts'precise geometrical characteristics to horizontal jig boring machine, stronger reference, can be with At part programming center not in the case where table spindle rotation center and the platen centre of gyration have turn error, It is effective to improve machining accuracy, there is wide application value.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, wherein:
Fig. 1 is working principle diagram of the present invention, workbench, part when Fig. 2, Fig. 3 are 0 ° and 180 ° of workbench of workbench respectively With the location diagram of reference sphere.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and It is not considered as limiting the invention.
The present invention is the original constant in 180 ° of front and back numerical value of worktable rotary using distance between reference sphere and part benchmark Reason processes part feature.The present invention is suitble to the part of processing to have following feature:1. needing 180 ° of worktable rotary Processing;2. the position precisions such as the concentricity for needing to guarantee, position degree are higher.
When processing, 0 ° of position, clamping tooling, part and reference sphere, benchmark are in horizontal jig boring machine workbench first Ball uses high accuracy positioning reference sphere, beats table centering part datum axis, keeps it vertical with the X-axis of stage coordinates system, The contour position with table plane using the centre coordinate of infrared probe measuring basis ball, and measures parts to be processed benchmark Axis coordinate, record benchmark ball center and datum axis distance to be processed, processing work platform are in part feature when 0 ° of position And benchmark;Then 180 ° of worktable rotary equally use in infrared probe measuring basis ball with table plane isometry position The heart, on the basis of reference sphere centre coordinate, in addition the distance value X of precedence record, numerical programming program process feature to be processed, For example there are concentricity, the feature that position degree etc. requires, such as hole with benchmark.
In daily machining, some parts for needing 180 ° of worktable rotary progress two sides processing are always encountered, These parts are tighter for needing the geometric tolerances of two cast then machined parts to require.And traditional processing method:First is that part programs Center is difficult or can not have position error mounted in worktable rotary center, programming center and table core, and part rotates 180 ° Afterwards, the part feature coordinate value for needing to process theoretically should be constant relative to part geometry benchmark, but because positioning misses The presence of difference, difference will reappear on coordinate value after rotation, cause mismachining tolerance;Second is that horizontal jig boring is with processing Number becomes more, can generate gap in turntable between worm and gear, and turntable rotates within the scope of 0 ° to 180 ° when programming, reversely Gap can not be eliminated, if backlass is excessive or the part of processing is longer, lathe concentricity is possible to beyond tolerance model It encloses, influences machine tool rotary precision, and then influence part processing precision.That is, because part positioning error and machine tool rotary Trueness error can all influence part processing precision.
The present invention, which rotates 180 ° of processing machine parts'precise geometrical characteristics to horizontal jig boring machine, stronger reference, can be with At part programming center not in the case where table spindle rotation center and the platen centre of gyration have turn error, It is effective to improve machining accuracy, without considering machine tool rotary precision, without measuring and verifying the lathe centre of gyration, have wide Application value.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.

Claims (1)

1. a kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary, it is characterised in that:Including following step Suddenly:
Step 1:Horizontal jig boring machine workbench is set to be in 0 ° of position, clamping tooling, part and reference sphere beat table centering part base Standard, so that datum axis is vertical with the X-axis of stage coordinates system;
Step 2:Reference sphere centre coordinate is being measured away from workbench equal-height position using lathe infrared probe, and red using lathe Outer probe measures part datum axis coordinate;Record the distance between benchmark ball center and part datum axis X;
Step 3:Processing work platform is in part feature and benchmark when 0 ° of position;
Step 4:By 180 ° of horizontal jig boring machine worktable rotary, lathe infrared probe is reused away from workbench equal-height position Measure reference sphere centre coordinate;The distance between the benchmark ball center obtained by step 2 and part datum axis X, establishment processing Use numerical control program;
Step 5:Processing work platform is in part feature when 180 ° of positions.
CN201611135803.3A 2016-12-12 2016-12-12 A kind of method of 180 ° of processing precise parts of horizontal jig boring machine worktable rotary Active CN106493399B (en)

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CN106975810A (en) * 2017-04-17 2017-07-25 成都鸿源航空动力制造有限公司 A kind of part multi-angle hole processing method based on spark erosion technique
CN108941649A (en) * 2017-05-23 2018-12-07 中国航空工业集团公司西安飞行自动控制研究所 A kind of aligning method for Turnover Boring
CN109352372B (en) * 2018-11-12 2020-11-13 北京星航机电装备有限公司 Method for realizing rapid adjustment of part reference
CN109648368B (en) * 2019-02-14 2021-02-26 成都飞机工业(集团)有限责任公司 Workpiece coordinate system setting method for eliminating rotation error of numerical control machining workbench
CN110052881B (en) * 2019-04-19 2021-01-26 成都飞机工业(集团)有限责任公司 Multi-station conversion machining datum alignment method for complex parts

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JP2005300248A (en) * 2004-04-08 2005-10-27 Mitsutoyo Corp Mounting table, surface property measuring instrument, and surface property measuring method
GB0525306D0 (en) * 2005-12-13 2006-01-18 Renishaw Plc Method of machine tool calibration
CN103128521B (en) * 2011-11-22 2015-02-18 成都飞机工业(集团)有限责任公司 Method of ensuring part processing benchmark and special tooling ball
CN203409599U (en) * 2013-07-17 2014-01-29 哈尔滨航天模夹具制造有限责任公司 Four-axis turning table auxiliary machining device for numerically-controlled machine tool
CN103673976A (en) * 2013-12-03 2014-03-26 上海卫星装备研究所 Method and system for converting and unifying composite type precision measuring coordinate system
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