CN105486255A - Linear guide pair precision detection method - Google Patents
Linear guide pair precision detection method Download PDFInfo
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- CN105486255A CN105486255A CN201510858806.9A CN201510858806A CN105486255A CN 105486255 A CN105486255 A CN 105486255A CN 201510858806 A CN201510858806 A CN 201510858806A CN 105486255 A CN105486255 A CN 105486255A
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- China
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- guide rail
- line slideway
- slideway auxiliary
- linear guide
- slide block
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Abstract
Provided is a linear guide pair precision detection method, which comprises the following steps: 1) determining the model and parallelism error boundary value of a linear guide pair under test; 2) fixedly mounting a sliding block of the linear guide pair on a detection platform and finishing preparatory work of a control system and a detection system before test; 3) driving a linear motor by the control system to drive the guide rail to reciprocate on a guide rail transmission rack and obtaining sensitive characteristic vector of the linear guide pair at the current moment; and 4) repeating the step 3), selecting a plurality of measuring points and then, carrying out data statistics. The method is reasonable and simple to operate, and can effectively detect the parallelism, straightness and precision retaining ability of the linear guide pair; the detection method is simplified; production cost is reduced; and meanwhile, through non-contact detection, damage to the product in the detection process is prevented, and the case that a production line stops working due to the problems of the linear guide pair is prevented, thereby preventing production loss and meeting the requirements of markets.
Description
Technical field
The present invention relates to guideway detection technique field, be specifically related to a kind of line slideway auxiliary accuracy checking method.
Background technology
In the prior art, linear rolling guide is made up of guide rail, slide block, reverser, rolling body and retainer etc. usually, rolling body circulates in the intercropping infinite scroll of slide block and slide rail, and the load platform on slide block can be moved linearly with high precision easily along slide rail.In the last few years, linear rolling guide, due to its superior walking precision, good load-bearing capacity and outstanding high speed performance, was widely applied in numerically-controlled machine industry.As the critical function parts in lathe and crucial joint portion, the precision of linear rolling guide directly affects machining precision and the performance of lathe, and wherein most important parameter is: the operation depth of parallelism of reference field at the bottom of reference field and guide rail on slide block in linear rolling guide; The operation depth of parallelism of slide block side reference field and rail-sides reference field.
Along with national equipment manufacture development planning and Development of CNC Machine Tools implementation, the degree of dependence of enterprise to numerically-controlled machine is more and more higher.The key building block that line slideway auxiliary is located as numerical control machine high accurate, its precision determines the machining precision of numerically-controlled machine to a certain extent, is the key factor affecting product quality.The precision of line slideway auxiliary does not reach when requiring must be changed, but due to its spare part cycle long, the long-time shutdown of lathe can be caused, bring to enterprise huge
Large economic loss.Meanwhile, can not the precision of on-line monitoring line slideway auxiliary, be also unfavorable for the reason of operating personnel's immediate analysis line slideway auxiliary precise decreasing, thus its operation and maintenance maintenance are with certain blindness, reduce the serviceable life of line slideway auxiliary.
Therefore, the present invention proposes a kind of line slideway auxiliary accuracy checking method.
Summary of the invention
The object of this invention is to provide a kind of to line slideway auxiliary accuracy checking method, the method can detect the depth of parallelism of line slideway auxiliary, linearity and precision stability, improve its serviceable life, and decrease line slideway auxiliary problem, the productivity problem caused.
The present invention is achieved through the following technical solutions:
A kind of line slideway auxiliary accuracy checking method, comprises the following steps:
determine model and the depth of parallelism error bounds of tested line slideway auxiliary, detection platform arranges tested guide rail second parameter, and the rotating speed of setting test cathetus motor;
the slide block of line slideway auxiliary is fixedly mounted in detection platform, the guide rails assembling of line slideway auxiliary is on the guide rail carriage of detection platform, the side benchmark of slide block and on be installed with angular transducer, guide rail is installed several vibration signal sensors, complete the preliminary work of the front control system of test and detection system;
control system drives linear electric motors to drive guide rail to move reciprocatingly on guide rail carriage, guide rail is sent into computing machine through out-of-date angle signal by data acquisition equipment by angular transducer in the process, and vibration signal sensor number is sent in computing machine by data acquisition equipment after the process of signal condition instrument; Then, after angle signal and vibration signal characteristics quantity being compressed with carrying out by computing machine, the sensitive features vector of the line slideway auxiliary of current time is obtained;
repeat step
select multiple measurement point, data measured by statistics the slide block analyzing line slideway auxiliary move the dimensional discrepancy of the dimensional discrepancy of the depth of parallelism, slide block end face and guide rail benchmark floor height to guide rail reference field and the slide block side of guide rail side benchmark homonymy and guide rail side benchmark spacing, thus the linearity of detection of straight lines guideway, the depth of parallelism and precision stability.
Further, described slide block both sides are also provided with laser range sensor.
Further, described laser range sensor is parallel with position line.
The invention has the beneficial effects as follows: this method is reasonable, simple to operate, can effectively the depth of parallelism of line slideway auxiliary, craspedodrome degree and precision stability detect, simplify detection method, reducing production cost, meanwhile, is all by untouchable detection, prevent the damage of product in testing process, and, avoid the problem because of line slideway auxiliary, in the shut-down problem of the production line caused, avoid production loss, meet the demand in market.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
A kind of line slideway auxiliary accuracy checking method, comprises the following steps:
determine model and the depth of parallelism error bounds of tested line slideway auxiliary, detection platform arranges tested guide rail second parameter, and the rotating speed of setting test cathetus motor;
the slide block of line slideway auxiliary is fixedly mounted in detection platform, the guide rails assembling of line slideway auxiliary is on the guide rail carriage of detection platform, the side benchmark of slide block and on be installed with angular transducer, guide rail is installed several vibration signal sensors, complete the preliminary work of the front control system of test and detection system;
control system drives linear electric motors to drive guide rail to move reciprocatingly on guide rail carriage, guide rail is sent into computing machine through out-of-date angle signal by data acquisition equipment by angular transducer in the process, and vibration signal sensor number is sent in computing machine by data acquisition equipment after the process of signal condition instrument; Then, after angle signal and vibration signal characteristics quantity being compressed with carrying out by computing machine, the sensitive features vector of the line slideway auxiliary of current time is obtained;
repeat step
select multiple measurement point, data measured by statistics the slide block analyzing line slideway auxiliary move the dimensional discrepancy of the dimensional discrepancy of the depth of parallelism, slide block end face and guide rail benchmark floor height to guide rail reference field and the slide block side of guide rail side benchmark homonymy and guide rail side benchmark spacing, thus the linearity of detection of straight lines guideway, the depth of parallelism and precision stability.
This method is reasonable, simple to operate, can effectively the depth of parallelism of line slideway auxiliary, craspedodrome degree and precision stability detect, simplify detection method, reducing production cost, meanwhile, is all by untouchable detection, prevent the damage of product in testing process, and, avoid the problem because of line slideway auxiliary, in the shut-down problem of the production line caused, avoid production loss, meet the demand in market.
The above is only embodiments of the invention, is not restriction the present invention being made to any other form, and any amendment done according to embodiment proposed by the invention or equivalent variations, still belong to the present invention's scope required for protection.
Claims (3)
1. a line slideway auxiliary accuracy checking method, is characterized in that: comprise the following steps:
determine model and the depth of parallelism error bounds of tested line slideway auxiliary, detection platform arranges tested guide rail second parameter, and the rotating speed of setting test cathetus motor;
the slide block of line slideway auxiliary is fixedly mounted in detection platform, the guide rails assembling of line slideway auxiliary is on the guide rail carriage of detection platform, the side benchmark of slide block and on be installed with angular transducer, guide rail is installed several vibration signal sensors, complete the preliminary work of the front control system of test and detection system;
control system drives linear electric motors to drive guide rail to move reciprocatingly on guide rail carriage, guide rail is sent into computing machine through out-of-date angle signal by data acquisition equipment by angular transducer in the process, and vibration signal sensor number is sent in computing machine by data acquisition equipment after the process of signal condition instrument; Then, after angle signal and vibration signal characteristics quantity being compressed with carrying out by computing machine, the sensitive features vector of the line slideway auxiliary of current time is obtained;
repeat step
select multiple measurement point, data measured by statistics the slide block analyzing line slideway auxiliary move the dimensional discrepancy of the dimensional discrepancy of the depth of parallelism, slide block end face and guide rail benchmark floor height to guide rail reference field and the slide block side of guide rail side benchmark homonymy and guide rail side benchmark spacing, thus the linearity of detection of straight lines guideway, the depth of parallelism and precision stability.
2. a kind of line slideway auxiliary accuracy checking method according to claim 1, is characterized in that: described slide block both sides are also provided with laser range sensor.
3. a kind of line slideway auxiliary accuracy checking method according to claim 1, is characterized in that: described laser range sensor is parallel with position line.
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| CN201510858806.9A CN105486255A (en) | 2015-12-01 | 2015-12-01 | Linear guide pair precision detection method |
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| CN201510858806.9A CN105486255A (en) | 2015-12-01 | 2015-12-01 | Linear guide pair precision detection method |
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| CN105486255A true CN105486255A (en) | 2016-04-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943015A (en) * | 2017-05-19 | 2018-12-07 | 发那科株式会社 | The damage detection apparatus and damage detecting method of linear guide |
| CN109425310A (en) * | 2017-08-29 | 2019-03-05 | 南京雄豹精密机械有限公司 | A kind of line slideway auxiliary precision On-line Measuring Method |
| CN111102901A (en) * | 2018-10-29 | 2020-05-05 | 富鼎电子科技(嘉善)有限公司 | Machine tool detection device |
| CN111189371A (en) * | 2020-01-15 | 2020-05-22 | 中国建材国际工程集团有限公司 | Linear guide rail installation precision detection device and detection method thereof |
| CN112082517A (en) * | 2020-08-21 | 2020-12-15 | 长江存储科技有限责任公司 | Defect detecting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943015A (en) * | 2017-05-19 | 2018-12-07 | 发那科株式会社 | The damage detection apparatus and damage detecting method of linear guide |
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| CN111102901A (en) * | 2018-10-29 | 2020-05-05 | 富鼎电子科技(嘉善)有限公司 | Machine tool detection device |
| CN111189371A (en) * | 2020-01-15 | 2020-05-22 | 中国建材国际工程集团有限公司 | Linear guide rail installation precision detection device and detection method thereof |
| CN111189371B (en) * | 2020-01-15 | 2021-11-12 | 中国建材国际工程集团有限公司 | Linear guide rail installation precision detection device and detection method thereof |
| CN112082517A (en) * | 2020-08-21 | 2020-12-15 | 长江存储科技有限责任公司 | Defect detecting apparatus |
| CN112082517B (en) * | 2020-08-21 | 2022-07-05 | 长江存储科技有限责任公司 | Defect detecting apparatus |
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Application publication date: 20160413 |