CN103317355B - Method for adjusting air gaps of air floatation legs of batch of working tables and working tables - Google Patents
Method for adjusting air gaps of air floatation legs of batch of working tables and working tables Download PDFInfo
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- CN103317355B CN103317355B CN201310195101.4A CN201310195101A CN103317355B CN 103317355 B CN103317355 B CN 103317355B CN 201310195101 A CN201310195101 A CN 201310195101A CN 103317355 B CN103317355 B CN 103317355B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 206010047601 Vitamin B1 deficiency Diseases 0.000 claims description 34
- 208000002894 beriberi Diseases 0.000 claims description 34
- 238000003754 machining Methods 0.000 abstract description 2
- 238000005188 flotation Methods 0.000 abstract 6
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of machine tool machining and provides a method for adjusting air gaps of air floatation legs of a batch of working tables and the working tables. The adjusting method includes adjusting the air gaps of the air floatation legs of at least one working table to a required standard value, measuring air consumption quantity of the air floatation legs to obtain the average value of the air consumption quantity of the air floatation legs, adjusting the air consumption quantity of each surplus air floatation leg of the surplus working tables to the average value of the air consumption quantity and correcting the air consumption quantity of all the air floatation legs to the average value of the air consumption quantity one by one. The working tables comprise air floatation legs and gas flow meters connected with quick connectors of the air flotation legs in series for measuring the air consumption quantity of the air flotation legs. The air gaps of the air flotation legs are measured indirectly by measuring the air consumption quantity of the air flotation legs, and the air consumption quantity of each air flotation leg is adjusted to be the average value of the air consumption quantity, so that the air flotation legs are even in borne load, and dynamic performance of the working tables is improved.
Description
Technical field
The invention belongs to machine tooling technical field, particularly relate to a kind of method of adjustment and workbench of batch working platform air supporting beriberi gap.
Background technology
In machine tooling industry, in the middle of the workbench of printed substrate drilling machine, usually adopt guide supporting and guiding, both sides air supporting pin supports, air supporting pin accesses compressed air by snap joint, makes to produce air gap between air supporting foot plate surface and lathe bed, thus realizes non-contacting kinematic mount.
In the prior art, the method of adjustment of air supporting beriberi gap is as shown in Figure 1: workbench 27 is placed on bed piece 26 by guide rail 23, amesdial 20 frame is on lathe bed 26, indicator is beaten on the workbench 27 directly over the air supporting pin 25 of correspondence, by snap joint 24 switching on and off the compressed air of access, observe indicator excursion and air gap, then by adjustment adjusting rod 21, by air gap adjustment at about 0.01mm.Because the workbench of a machine has multiple air supporting pin all around, influence each other between each air supporting pin, again other air supporting beriberi gaps will be proofreaded after having adjusted an air supporting beriberi gap, to repeatedly move and adjust amesdial like this, more and inconvenient operation consuming time, has certain technical experience requirement to operating personnel; In addition, because multiple air supporting pin is arranged on the workbench of same rigid body, can influence each other between each air supporting pin, the data recorded not are the actual air gap of this air supporting pin, cause each air supporting pin to carry different, affect dynamic property and the processing effect of machine.
Simultaneously in actual production, need all will adjust one time, during batch production like this to every platform machine, workload strengthens.
Summary of the invention
The object of the embodiment of the present invention is the method for adjustment and the workbench that provide a kind of batch working platform air supporting beriberi gap, can simplifying the operation of adjustment workbench air supporting beriberi gap, eliminating between each air supporting pin measuring influencing each other of air gap.
The embodiment of the present invention is achieved in that
A method of adjustment for batch working platform air supporting beriberi gap, comprises the following steps:
101, the air supporting beriberi gap of at least one workbench is adjusted to required standard value, measures the air consumption of described air supporting pin, obtain the air consumption average of air supporting pin;
102, the air consumption of each air supporting pin of residue workbench is adjusted to described air consumption average.
Also comprise in described method step 101: snap joint compressed air being accessed respectively air supporting pin, measure the air consumption of each air supporting pin.
Described method, also comprises in step 101: the snap joint of gas flowmeter with air supporting pin be connected in series, to measure described air consumption.
Described method, the adjusting rod by adjusting each air supporting pin in step 102 adjusts the air consumption of each air supporting pin.
Described method, also comprises after step 102: one by one the air consumption of each air supporting pin is corrected to described air consumption average again.
The pin of air supporting described in step 101 is the air supporting pin of same model different operating platform.
The pin of air supporting described in step 101 is the air supporting pin of same workbench.
The workbench of using said method, comprises air supporting pin, also comprises: be connected in series with the snap joint of described air supporting pin, to measure the gas flowmeter of described air supporting pin air consumption.
The embodiment of the present invention, by measuring the air supporting pin air consumption of a small amount of workbench and getting the adjustment standard of average as residue workbench air supporting beriberi gap, simplifies the workload of batch working platform air supporting beriberi gap adjustment, enhances productivity; Air supporting beriberi gap is indirectly measured by measuring air supporting pin air consumption, the air consumption of each air supporting pin is adjusted to air consumption average, make the carrying of each air supporting pin even, evaded the interactional shortcoming of air supporting beriberi gap that workbench rigid structure brings, improve the dynamic property of workbench.
Accompanying drawing explanation
Fig. 1 is the schematic diagram adjusting workbench air supporting beriberi gap in prior art;
Fig. 2 is the method for adjustment flow chart of the embodiment of the present invention;
Fig. 3 is the schematic diagram of embodiment of the present invention workbench;
Fig. 4 is 1mm step pitch dynamic result schematic diagram on the left of prior art method of adjustment workbench;
Fig. 5 is 1mm step pitch dynamic result schematic diagram on the right side of prior art method of adjustment workbench;
Fig. 6 is 1mm step pitch dynamic result schematic diagram on the left of embodiment of the present invention method of adjustment workbench;
Fig. 7 is 1mm step pitch dynamic result schematic diagram on the right side of embodiment of the present invention method of adjustment workbench.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention make use of the relation that air supporting pin air consumption is directly proportional to air supporting beriberi gap, by measuring air supporting pin air consumption indirect inspection air supporting beriberi gap, simplify operation, reduce the technical requirement to operating personnel, the air consumption of each air supporting pin is adjusted to air consumption average, make the carrying of each air supporting pin even, evaded the interactional shortcoming of air supporting beriberi gap that workbench rigid structure brings, improve the dynamic property of workbench.
The method of adjustment of the embodiment of the present invention as shown in Figure 2, is first adjusted to required standard value by the air supporting beriberi gap of at least one workbench, utilizes gas flowmeter or other survey tools to measure the air consumption of described air supporting pin, obtains the air consumption average of air supporting pin; The air consumption of each air supporting pin of residue workbench is adjusted to described air consumption average, makes air supporting beriberi gap identical, thus complete the adjustment to air supporting beriberi gap.In order to eliminate the result of some uncertain factors impact adjustment in adjustment process further, again can measure one by one the air consumption of each air supporting pin, ensureing the uniformity of adjustment.First two steps in figure, do not need every platform machine all to measure, as long as same model machine construction is identical, measures several machines and draw mean value, and the standard value as volume production machine is below just passable, and the machine namely produced in batches is below from the 3rd step in figure.For the measurement of standard value, the air supporting pin of measurement can be the air supporting pin of same model different operating platform, also can be the air supporting pin of same workbench, and more the averaging again of the air supporting pin of measurement will be more accurate, depending on practical operation situation.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
Fig. 3 shows the schematic diagram of embodiment of the present invention workbench, workbench 27 is placed on bed piece 26 by guide rail 23, on the left of workbench 27 and right side is respectively equipped with air supporting pin 25 (workbench of certain different size can have more air supporting pin quantity), air supporting pin 25 is provided with adjusting rod 21 and snap joint 24, and the gas flowmeter 22 to be connected in series with snap joint, adjusting rod 21 is for adjusting air supporting beriberi gap, the other end of gas flowmeter 22 is for connecting compressed air, here it should be noted that, gas flowmeter is the instrument of a kind of measurement gas flow wherein, also can substitute with other survey tool, as long as measurement object can be reached can be adopted.
Proportional between air supporting beriberi gap and air consumption (flow), so by measuring air supporting pin air consumption, can indirectly measure air supporting beriberi gap.Adjustment air supporting beriberi gap scheme is as follows:
Foundation gas flowmeter measures the air supporting pin air consumption mean value of several model machines as standard value, the single air supporting pin air consumption mean value of actual measurement is 7.5L/min, because the structure of the machine of same model is fixing, what then the air supporting pin air consumption mean value of each machine was all similar to is equal, its difference is negligible, when calculating the air supporting pin air consumption mean value of one, can as the standard value of volume production machine below, thus batch production.
PFA710-01-27 flow of digit display switch snap joint on air supporting pin being connected in series a SMC (uses its display traffic engineering capability, replace gas flowmeter, measurement category 0 ~ 10L/min), then compressed air is connected, by adjustment air supporting pin adjusting rod regulating the qi flowing in the channels gap, flow of digit display switch is made to show 7.5L/min standard value.The air consumption of all the other air supporting pin is adjusted to 7.5L/min, adjusts other air supporting pin of workbench by same procedure, and then detect one time with flow of digit display switch, to ensure the uniformity after the adjustment of all air supporting pin.
There are 8 air supporting pin for workbench, with the air gap of existing method amesdial adjustment, measure its air consumption by mass air flow sensor and be respectively: (unit: L/min)
9.0L/min、7.6L/min、8.1L/min、8.6L/min、7.2L/min、6.6L/min、7.1L/min、6.5L/min。
Air supporting pin air consumption is all adjusted to 7.5L/min, then laser interferometer test table dynamic result is contrasted, as shown in Figures 4 to 7, on the left of existing method workbench, 1mm step pitch is dynamic: 0 ± 8 μm, on the right side of workbench, 1mm step pitch is dynamic: 0 ± 7 μm, on the left of the technology of the present invention method workbench, 1mm step pitch is dynamic: 0 ± 5 μm, on the right side of workbench, 1mm step pitch is dynamic: 0 ± 5 μm, 1mm step pitch refers to: the workpiece supposing machining, at the round that working table movement direction is 1mm pitch-row, workbench runs by operating mode according to this, each run 1mm, continuous operation, use the dynamic of laser interferometer monitoring platform simultaneously.
Horizontal axis plots time, unit is second; The longitudinal axis represents position, and unit is millimeter.Can find out from Fig. 4 to Fig. 7 that workbench vibrates near target location, the amplitude of Fig. 4 and Fig. 5 finally remains on about 8mm-10mm, and the amplitude of Fig. 6 and Fig. 7 finally remains on 3mm-6mm, the amplitude time is in decay, amplitude is less, decay faster, the dynamic property of machine is better, otherwise then poorer.Because be continuous operation, on each figure, transverse axis is different with the numerical value of the longitudinal axis.
Fig. 6 and Fig. 7 precision improves amplitude when being embodied in workbench arrival 30 milliseconds, target location, as earlier data.Evaluation index is to want amplitude in seeking time to decay to less, and performance is better, and as can be seen from the results, the workbench air supporting pin of same machine, adopt embodiment of the present invention method to adjust, dynamic accuracy is improved.
Adjusted by said process, making operating process simplification and difficulty reduction, be also easy to observe, eliminating between each air supporting pin measuring influencing each other of air gap simultaneously, make the carrying of each air supporting pin identical, thus ensure that the dynamic property of workbench, and adopt amesdial to measure air supporting beriberi gap, need repeatedly to play table more consuming time, and must require very high to the technical experience of operating personnel, reproducibility is poor, cannot ensure the dynamic accuracy of platen, the quality of impact batch production.
Of the present inventionly to focus on, the printed substrate drilling machine of present production, by existing method adjustment air supporting beriberi gap, adjustment is long for man-hour, has certain technical requirement to operating personnel, if produce about 500 machines, several machines (if front 5 machines) air gap need only be adjusted by existing method at first, measure air consumption, get average, as the standard value of machine below.The machine (as 495 below) assembled below, directly by the standard value of air consumption, the air gap of adjustment air supporting pin, simple to operate, technical requirement is low, and air supporting pin uniform force, dynamic property increases.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a method of adjustment for batch working platform air supporting beriberi gap, is characterized in that, comprise the following steps:
101, the air supporting beriberi gap of at least one workbench is adjusted to required standard value, measures the air consumption of described air supporting pin, obtain the air consumption average of air supporting pin;
102, the air consumption of each air supporting pin of residue workbench is adjusted to described air consumption average.
2. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 1, is characterized in that, also comprise in step 101: snap joint compressed air being accessed respectively air supporting pin, measures the air consumption of air supporting pin.
3. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 2, is characterized in that, also comprise in step 101: the snap joint of gas flowmeter with air supporting pin be connected in series, to measure described air consumption.
4. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 1, is characterized in that, the adjusting rod by adjusting each air supporting pin in step 102 adjusts the air consumption of each air supporting pin.
5. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 1, is characterized in that, also comprises: one by one the air consumption of each air supporting pin is corrected to described air consumption average again after step 102.
6. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 1, it is characterized in that, the pin of air supporting described in step 101 is the air supporting pin of same model different operating platform.
7. the method for adjustment of batch working platform air supporting beriberi gap as claimed in claim 1, it is characterized in that, the pin of air supporting described in step 101 is the air supporting pin of same workbench.
8. application as arbitrary in claim 1 to 7 as described in the workbench of method, comprise air supporting pin, it is characterized in that, also comprise: be connected in series with the snap joint of described air supporting pin, to measure the gas flowmeter of described air supporting pin air consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195101.4A CN103317355B (en) | 2013-05-23 | 2013-05-23 | Method for adjusting air gaps of air floatation legs of batch of working tables and working tables |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310195101.4A CN103317355B (en) | 2013-05-23 | 2013-05-23 | Method for adjusting air gaps of air floatation legs of batch of working tables and working tables |
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| Publication Number | Publication Date |
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| CN103317355A CN103317355A (en) | 2013-09-25 |
| CN103317355B true CN103317355B (en) | 2015-07-08 |
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| DE19820346C2 (en) * | 1998-05-07 | 2000-04-27 | Sasib Beverage Deutschland Gmb | Process for setting a treatment machine |
| US7309197B2 (en) * | 2005-05-12 | 2007-12-18 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Internal gear shaving machine |
| CN201030485Y (en) * | 2007-04-20 | 2008-03-05 | 环球工业机械（东莞）有限公司 | Double-servo numerical control rotating table |
| CN100594559C (en) * | 2007-05-30 | 2010-03-17 | 中国人民解放军国防科学技术大学 | Ultralong air-float guide rail |
| CN101417393B (en) * | 2008-11-21 | 2011-05-04 | 深圳市大族激光科技股份有限公司 | Air-bearing support workstation design method |
| CN201534283U (en) * | 2009-11-24 | 2010-07-28 | 天津市精诚机床制造有限公司 | Hydrostatic rail hydraulic system for revolving workbench of heavy numerical control cylindrical gear milling machine |
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Address after: No. 9988 Nanshan District Shennan Road Shenzhen city Guangdong province 518000 Applicant after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Applicant after: Shenzhen Dazu Digital Control Science & Technology Co., Ltd. Address before: 518000 Shenzhen Province, Nanshan District high tech park, North West New Road, No. 9 Applicant before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen Applicant before: Shenzhen Dazu Digital Control Science & Technology Co., Ltd. |
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Effective date of registration: 20200629 Address after: 518000 workshop 5 / F, 1 / 2 / F, 14 / F, 17 / F, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 518000 No. 9988 Shennan Avenue, Shenzhen, Guangdong, Nanshan District Co-patentee before: SHENZHEN HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |
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Address after: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Address before: 518000 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. |