CN106767300B - Roller outer diameter measurement calibration roller and roller outer diameter calibration method - Google Patents
Roller outer diameter measurement calibration roller and roller outer diameter calibration method Download PDFInfo
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- CN106767300B CN106767300B CN201710125298.2A CN201710125298A CN106767300B CN 106767300 B CN106767300 B CN 106767300B CN 201710125298 A CN201710125298 A CN 201710125298A CN 106767300 B CN106767300 B CN 106767300B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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Abstract
The invention relates to a roller outer diameter measurement calibration roller and a roller outer diameter calibration method, wherein the roller outer diameter measurement calibration roller comprises a plurality of levels of coaxial round rollers and is made of the same material as the roller, so that errors of different expansion and shrinkage rates along with temperature change caused by different material problems are reduced; the outer diameter of the roller outer diameter measuring and calibrating roller is the same as that of the roller, the size of the roller is large, physical parameters, the size, the weight and the like similar to those of the roller can be obtained, and errors caused by temperature influence are reduced; the multi-stage round roller is adopted, so that the gear is more, and the production requirement of a mainstream roller can be met; by adopting the method for calibrating the outer diameter of the roller, the production can be carried out in different temperature and humidity environments, and the obtained roller size can be ensured to be the standard size in the calibration environment of the roller measuring tool.
Description
Technical Field
The invention relates to the technical field of high-precision outer diameter measurement, in particular to a roller outer diameter measurement calibration roller and a roller outer diameter calibration method.
Background
The roller used in some occasions has higher requirement on the outer diameter precision, and the sizes of key parts are all in the grade of 0.01mm or even higher. With the continuous improvement of the requirements of customers and the continuous feedback of the requirements and the site of the customers, the fact that larger errors exist between the on-site measurement sizes of the customers and the factory sizes is discovered sometimes.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defect that a client has a large error in on-site measurement of the size and the factory size, the invention provides a roller outer diameter measurement calibration roller and a roller outer diameter calibration method.
In order to solve the problems, the inventor researches and analyzes the problems in many ways, and the results show that the metal products are caused by different degrees of expansion caused by heat and contraction caused by cold due to the influence of temperature.
1. Because the material of the measuring tool is different from that of the product, the expansion and shrinkage rate of the material of the measuring tool is larger than that of the product at the same temperature; and because of the different volumes, the volume of the product is large, and therefore, the product expands and contracts more slowly than the gauge. There is an error generated.
2. The production environment has influence, if the production environment is in the lower reaches plain in the Yangtze river, the temperature difference changes clearly all the year round, even the temperature difference in local time period can change dramatically, for example, the temperature difference change in one week or even one day can reach more than 10 ℃. The customer group of the product is distributed in various regions, that is, the working temperature environment and the production temperature environment of the product may have a great difference, which brings a greater influence on the temperature.
3. The measuring tool is calibrated by the national measurement department, and the calibration process is the constant temperature and humidity condition, which has great difference with the actual use environment.
In conjunction with a series of experiments, the inventors concluded that:
the measuring tool has a rate of change of expansion with heat and contraction with cold greater than that of the roller.
Assuming that a reference value is measured at 20 c,
when the temperature rises, the measuring tool expands faster than the workpiece, so that the measured value is smaller than the reference value,
as the temperature decreases, the gauge shrinks faster than the workpiece, resulting in a measured value that is greater than the baseline value.
The technical scheme adopted by the invention for solving the technical problems is as follows: a roller outer diameter measurement calibration roller comprises a plurality of stages of coaxial circular rollers, wherein the outer diameter of each stage of circular roller has an outer diameter size under the same temperature and humidity environment, and one outer diameter size corresponds to the outer diameter specification of a roller; the material is the same as the roller material.
The axial length of each stage of round roller is 50-110 mm, the axial length of the round roller with smaller outer diameter is the same as that of the round roller with longer outer diameter, or the axial length of the round roller with smaller outer diameter is longer than that of the round roller with longer outer diameter.
The smallest outer diameter dimension is 150 mm.
The outer diameters of the various stages of circular rollers are different from each other. Namely, the first-level round roller corresponds to the outer diameter of one roller and is not repeated.
The device is provided with at least fifteen stages of circular rollers, and the outer diameter of each stage of circular roller is gradually increased from two ends of the calibration roller to the middle of the calibration roller.
The surface is electroplated with an antirust chromium layer. The surface is subjected to chromium plating treatment, so that rust prevention is ensured, the paint is suitable for most of service environments, and the service life is long.
The method for calibrating the outer diameter of the roller by adopting the roller outer diameter measuring and calibrating roller comprises the following steps:
(1) selecting a measuring tool subjected to measurement calibration;
(2) selecting an environment closest to the calibration environment of the measuring tool selected in the step (1);
(3) calibrating the outer diameter of each round roller of the calibration roller: under the condition of the step (2), measuring the outer diameters of all levels of circular rollers of the calibration roller by using the measuring tool in the step (1) to obtain a corresponding dimension D1, and performing calibration;
(4) in the actual use process, the measuring tool selected in the step (1) is adopted to firstly measure the current outer diameter of the calibration roll to obtain an actual measurement value D2, and the error D between the measuring tool and the calibration roll at the current ambient temperature is equal to D1-D2;
(5) and (3) when the measuring tool in the step (1) is used for measuring the roller, eliminating the error d during reading to obtain the true value of the outer diameter of the roller.
The outer diameter of each level of circular roller of the roller outer diameter measurement calibration roller is calibrated in the calibration environment of the roller measuring tool.
The outer surface of the round roller is ground and manufactured by a grinding machine. The grinding machine is adopted for grinding, so that the precision is high, and the surface quality and the precision can be ensured.
The roller outer diameter measuring and calibrating roller and the roller outer diameter calibrating method have the advantages that the roller outer diameter measuring and calibrating roller is made of the same material as the roller, so that errors of different expansion and shrinkage rates along with temperature changes caused by different material problems are reduced; the outer diameter of the roller outer diameter measuring and calibrating roller is the same as that of the roller, the size is large, physical parameters, the size, the weight and the like similar to those of the roller can be obtained, and errors caused by temperature are reduced; the multi-stage round roller is adopted, so that the gear is more, and the production requirement of a mainstream roller can be met; by adopting the method for calibrating the outer diameter of the roller, the production can be carried out in different temperature and humidity environments, and the obtained roller size can be ensured to be the standard size in the calibration environment of the roller measuring tool.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the roll outer diameter measuring and calibrating roll of the invention.
In the figure 1, a roller outer diameter measurement calibration roller 1-1 and a round roller.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a roller outer diameter measurement calibration roller 1 comprises a plurality of stages of coaxial circular rollers 1-1, wherein the outer diameter of each stage of circular roller 1-1 has an outer diameter size under the same temperature and humidity environment, and one outer diameter size corresponds to the outer diameter specification of one roller; the material is the same as the roller material. The outer surface of the round roller 1-1 is manufactured by grinding through a grinding machine. The surface of the roller outer diameter measurement calibration roller 1 is electroplated with an antirust chromium layer.
The axial length of each stage of the round roller 1-1 is 50 mm-110 mm, the axial length of the round roller 1-1 with smaller outer diameter is the same as that of the round roller 1-1 with longer outer diameter, or the axial length of the round roller 1-1 with smaller outer diameter is longer than that of the round roller 1-1 with longer outer diameter. The smallest outer diameter dimension is 150 mm. The outer diameters of the respective stages of the circular rollers 1-1 are different from each other. The roll comprises at least fifteen stages of round rolls 1-1, and the outer diameters of the round rolls 1-1 of each stage are gradually increased from the two ends of the calibration roll to the middle of the calibration roll.
Specifically, as shown in fig. 1, in the present embodiment, the smallest circular roller 1-1 has an outer diameter of 150mm and an axial length of 100 mm; the largest round roller 1-1 has an outer diameter of 575mm and an axial length of 60 mm. The axial length of the round roller 1-1 with the outer diameter dimension of 200mm-500mm is 60mm or 70 mm. In fig. 1, the outer diameter dimension of the stage circular roller 1-1 is marked on the stage circular roller 1-1, and the axial length of the stage circular roller 1-1 is marked below the stage circular roller 1-1, and the unit is mm. In order not to affect the expression, only the rightmost one-stage round roller 1-1 is labeled in fig. 1.
A roller outer diameter calibration method adopting the roller outer diameter measurement calibration roller 1 comprises the following steps:
(1) selecting a measuring tool subjected to measurement calibration; in particular to a measuring tool which is calibrated by measuring units authorized by the state.
(2) Selecting an environment closest to the calibration environment of the measuring tool selected in the step (1); for example, about 20 ℃ and the temperature and humidity do not change much.
(3) Calibrating the outer diameter of each round roller 1-1 of the calibration roller 1: under the condition of the step (2), measuring the outer diameters of all levels of circular rollers 1-1 of the calibration roller 1 by using the measuring tool in the step (1) to obtain a corresponding dimension D1, and carrying out calibration;
(4) in the actual use process, the measuring tool selected in the step (1) is adopted to firstly measure the current outer diameter of the calibration roll 1 to obtain an actual measurement value D2, and the error D between the measuring tool and the calibration roll 1 is D1-D2 at the current ambient temperature;
(5) when the measuring tool in the step (1) is used for measuring the roller, the error d is eliminated during reading, and the true value of the outer diameter of the roller is obtained.
In the processes of the steps (3), (4) and (5), the material of the calibration roller 1 is the same as that of the roller, so that the physical property of the calibration roller 1 is closest to that of a product (the roller). Therefore, the measuring tool is used for measuring the calibration roller to eliminate the error, and then the product is measured to obtain the true value.
The outer diameter of each level of circular roller 1-1 of the roller outer diameter measurement calibration roller 1 is calibrated in the calibration environment of the roller measuring tool. Specifically, the roller measuring tool is a measuring tool and a core rod which are calibrated by the national measurement department, and the calibration environment is generally that the temperature is 26 +/-4 ℃ and the humidity is 55 +/-15%.
And (3) the environment of external diameter calibration in the step (3) is close to the calibration environment of the measuring tool selected in the step (1), so that the consistency of measurement can be ensured, and the precision is ensured.
According to the roller outer diameter measurement calibration roller and the roller outer diameter calibration method, the roller outer diameter measurement calibration roller is made of the same material as the roller, so that errors of different expansion and shrinkage rates along with temperature changes caused by different material problems are reduced; the outer diameter of the roller outer diameter measuring and calibrating roller 1 is the same as that of the roller, the size is large, physical parameters, the size, the weight and the like similar to those of the roller can be obtained, and errors caused by temperature influence are reduced; the multi-stage circular roller 1-1 is adopted, so that the gear is multiple, and the production requirement of a main flow roller can be met; by adopting the method for calibrating the outer diameter of the roller, the production can be carried out in different temperature and humidity environments, and the obtained roller size can be ensured to be the standard size in the calibration environment of the roller measuring tool.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A method for calibrating the external diameter of a roller external diameter measuring and calibrating roller (1),
the outer diameter of the roller is measured and calibrated by a roller (1) which comprises a plurality of stages of coaxial round rollers (1-1),
the outer diameter of each stage of round roller (1-1) is provided with an outer diameter size, and one outer diameter size corresponds to the outer diameter specification of one type of roller; the material is the same as that of the roller;
the axial length of each stage of the round roller (1-1) is 50 mm-110 mm, the axial length of the round roller (1-1) with smaller outer diameter is the same as that of the round roller (1-1) with longer outer diameter, or the axial length of the round roller (1-1) with smaller outer diameter is longer than that of the round roller (1-1) with longer outer diameter,
the smallest outer diameter dimension is 150 mm;
the outer diameters of the circular rollers (1-1) of all stages are different from each other;
the device is provided with at least fifteen stages of round rollers (1-1), and the outer diameter of each stage of round roller (1-1) is gradually increased from the two ends of the calibration roller to the middle of the calibration roller;
the surface is electroplated with an antirust chromium layer;
the method is characterized by comprising the following steps:
(1) selecting a measuring tool subjected to measurement calibration;
(2) selecting an environment closest to the calibration environment of the measuring tool selected in the step (1);
(3) calibrating the outer diameters of all levels of circular rollers (1-1) of the calibration roller (1): under the condition of the step (2), measuring tools in the step (1) are selected to measure the outer diameters of all levels of circular rollers (1-1) of the calibration roller (1) to obtain a corresponding dimension D1, and a standard value is carried out;
(4) in the actual use process, the measuring tool selected in the step (1) is adopted to firstly measure the current outer diameter of the calibration roll (1) to obtain an actual measurement value D2, and the error D between the measuring tool and the calibration roll (1) is D1-D2 at the current ambient temperature;
(5) and (3) when the measuring tool in the step (1) is used for measuring the roller, eliminating the error d during reading to obtain the true value of the outer diameter of the roller.
2. The roller outer diameter calibration method as set forth in claim 1, wherein: the outer diameter of each stage of circular roller (1-1) of the roller outer diameter measurement calibration roller (1) is calibrated in the calibration environment of the roller measuring tool.
3. The roller outer diameter calibration method as set forth in claim 1, characterized in that: the outer surface of the round roller (1-1) is manufactured by grinding through a grinding machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710125298.2A CN106767300B (en) | 2017-03-04 | 2017-03-04 | Roller outer diameter measurement calibration roller and roller outer diameter calibration method |
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| CN201710125298.2A CN106767300B (en) | 2017-03-04 | 2017-03-04 | Roller outer diameter measurement calibration roller and roller outer diameter calibration method |
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| CN106767300A CN106767300A (en) | 2017-05-31 |
| CN106767300B true CN106767300B (en) | 2022-08-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT1234873B (en) * | 1988-03-01 | 1992-06-02 | Giorgio Marega | Device for the measurement of temperatures of materials not in thermal equilibrium with walls and rapid temperature variation in time and error reduction with corrective algorithms |
| CA2702261A1 (en) * | 2007-10-12 | 2009-04-16 | Map Pharmaceuticals, Inc. | Inhalation drug delivery |
| US20110162434A1 (en) * | 2008-08-18 | 2011-07-07 | Shalabh Kumar Rastogi | Composite calibration/verification gauge and method of its manufacture |
| CN101769705B (en) * | 2010-02-10 | 2012-06-06 | 云南省计量测试技术研究院 | Gauge block upright isothermal measuring method for calibrating or correcting digital-display height indicator indication error |
| CN202853540U (en) * | 2012-06-20 | 2013-04-03 | 成都飞机工业（集团）有限责任公司 | Universal detection device for rapidly and accurately detecting inner diameter of rubber ring |
| CN203224200U (en) * | 2013-04-28 | 2013-10-02 | 上海宝钢工业技术服务有限公司 | Calibration scale used in roller grinder measurement system |
| CN104501850B (en) * | 2014-11-19 | 2017-02-01 | 第一拖拉机股份有限公司 | Calibration camshaft measuring instrument etalon and using method thereof |
| CN104567608A (en) * | 2015-02-27 | 2015-04-29 | 安徽江淮汽车股份有限公司 | Rubber sealing ring measuring tool and rubber sealing ring measuring method |
| CN206459597U (en) * | 2017-03-04 | 2017-09-01 | 一重集团常州华冶轧辊股份有限公司 | Roller outside diameter measuring aligning roller |
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2017
- 2017-03-04 CN CN201710125298.2A patent/CN106767300B/en active Active
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| 便携式温湿度一体校准仪研制;陈家海等;《计测技术》;20081010;第4-5、9页 * |
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| CB02 | Change of applicant information |
Address after: 213133 Xinbei Airport Industrial Park, Jiangsu, Changzhou Applicant after: CFHI CHANGZHOU HUAYE ROLL CO.,LTD. Address before: 213133 Xinbei Airport Industrial Park, Jiangsu, Changzhou Applicant before: CFHI CHANGZHOU HUAYE ROLLER CO.,LTD. |
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Address after: 213000 Jiangsu province Changzhou City New District Airport Industrial Park Wang Cai Road No. 11 Applicant after: CFHI CHANGZHOU HUAYE ROLL Co.,Ltd. Address before: 213133 Xinbei Airport Industrial Park, Jiangsu, Changzhou Applicant before: CFHI CHANGZHOU HUAYE ROLL Co.,Ltd. |
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| CB02 | Change of applicant information |
Address after: 213000 Xinbei Airport Industrial Park, Jiangsu, Changzhou Applicant after: CFHI CHANGZHOU HUAYE ROLL Co.,Ltd. Address before: 213000 Jiangsu province Changzhou City New District Airport Industrial Park Wang Cai Road No. 11 Applicant before: CFHI CHANGZHOU HUAYE ROLL Co.,Ltd. |
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