CN105674834A - Method for calibrating indication error of internal groove caliper - Google Patents
Method for calibrating indication error of internal groove caliper Download PDFInfo
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- CN105674834A CN105674834A CN201410666337.6A CN201410666337A CN105674834A CN 105674834 A CN105674834 A CN 105674834A CN 201410666337 A CN201410666337 A CN 201410666337A CN 105674834 A CN105674834 A CN 105674834A
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- internal groove
- internal
- caliper
- measurement
- groove caliper
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Abstract
A method for calibrating the indication error of an internal groove caliper comprises the following steps: (1) a set of fifth-class gauge blocks and a gauge block accessory form an internal dimension to perform calibration, the combined width of internal measurement claws of an internal groove caliper is calibrated first, and then, the indication error of the internal measurement claws is checked, wherein the measurement surface of the internal dimension should contact the gauge block accessory; (2) calibration point distribution is carried out, not less than three points in uniform distribution are needed for an internal groove caliper of which the measurement range is within 300mm, and not less than six points in uniform distribution are needed for an internal groove caliper of which the measurement range is beyond 300mm, the indication error should be calibrated both in the tightened and loosened states of a screw, and the contact between the measurement surface of the internal groove caliper and the surface of the gauge block accessory should slide normally; and (3) the algebraic difference between the measured value and the nominal value of the gauge blocks is the indication error of internal dimension measurement. Through the method, whether the measurement features of various internal groove calipers can meet the application requirements can be checked, values can be transferred accurately, and effective tracing is achieved.
Description
Technical field
The invention belongs to measurement and calibration field, relate to a kind of calibration steps measuring measurer, particularly relate to the calibration steps of a kind of internal groove caliper error of indication.
Background technology
Along with development and the improving constantly product quality requirement of engineering goods diversification, the testing requirement of product quality is also more and more higher therewith. In many engineering goods, needed for its characteristic, the diameter in its hole and the diameter of internal channel there is certain required precision. The diameter in hole can adopt general measurement instrument directly to measure, but the trench diameter in hole is because of the size by its aperture, the aspect limitations such as the depth of distance hole end surface and the axial width of groove itself, generally general measurement instrument is difficult to measurement, and internal groove caliper need to be adopted to measure. Internal groove caliper and general slide gauge structurally have certain difference, and the primary structure of existing internal groove caliper has: homalocephalus internal groove caliper, socket cap internal groove caliper, cutter head vernier internal groove caliper and (homalocephalus, socket cap, cutter head) digital-display internal groove caliper, open type mono-/bis-edge of a knife internal groove caliper etc. At present,CountryBut without the calibration steps specifying these slide calliper rule. Existing calibration steps is that the vertification regulation with reference to general calipers carries out mostly, and the meter characteristic for guaranteeing such slide calliper rule meets requirement, and effectively traces to the source, it is provided that the calibration steps of the main meter characteristic error of indication of such slide calliper rule is completely necessary.
Summary of the invention
It is an object of the invention to provide a kind of Product Precision that meets utilizing that gauge block and measuring block accessory carry out to require and the calibration steps of the practicable internal groove caliper error of indication.
The present invention adopts following program to reach above-mentioned purpose:
1. it is calibrated with measuring block accessory composition inside dimension with one group of five gauge block such as grade, first calibrates the merging width of internal groove caliper internal measure-hand, then its internal measure-hand is enteredRow showsValue error checking, should make inside dimension measuring surface contact with measuring block accessory feel.
2. the distribution of calibration point: for measuring scope internal groove caliper in 300mm, no less than equally distributed 3 points;For measuring the scope internal groove caliper more than 300mm, no less than equally distributed 6 points; The calibration of the error of indication should fasten at screw and unclamp and carry out under two states, and the measuring surface of internal groove caliper contacts should be able to normally slide with measuring block accessory surface.
3. measured value is, with the algebraic step of gauge block nominal value, the error of indication that inside dimension is measured.
The present invention can reach following good effect after adopting technique scheme: can the meter characteristic that can verify all kinds of internal groove caliper meet instructions for use, accurately carries out transmission of quantity value, and effectively traces to the source.
Accompanying drawing explanation
Figure1 is the calibration steps duty signal of a kind of internal groove caliper error of indication of the present inventionFigure。
Figure2 is the internal measure-hand merging phase signal of a kind of internal groove caliper of the present inventionFigure。
Detailed description of the invention
Below in conjunction with attachedFigureThe invention will be further described. AsFigureShown in 1～2, the calibration steps of a kind of internal groove caliper error of indication, its job step is:
1. forming inside dimension with one group of five gauge block such as grade and measuring block accessory 2 to be calibrated, first calibrate the merging width B of internal groove caliper 1 internal measure-hand 3, B is the measurement lower limit size of internal groove caliper 1. Then its internal measure-hand 3 is enteredRow showsValue error checking, should make inside dimension measuring surface contact with measuring block accessory feel.
2. the distribution of calibration point: for measuring scope internal groove caliper 1 in 300mm, no less than equally distributed 3 points; Such as the internal groove caliper 1 of (0-300) mm, its calibration point is 101.2mm, 201.5mm, 291.8mm; For measuring the scope internal groove caliper 1 more than 300mm, no less than equally distributed 6 points; Such as the internal groove caliper 1 of (0-500) mm, its calibration point is 80mm, 161.2mm, 240mm, 321.5mm, 400mm, 491.8mm; The calibration of the error of indication should fasten at screw and unclamp and carry out under two states, and the measuring surface of internal groove caliper 1 contacts should be able to normally slide with measuring block accessory 2 surface.
As for digital-display internal groove caliper, its calibration point is approaches uniformity distribution within the scope of measurement, above-mentioned calibration point also should be selected on the calibration point within the scope of measurement and comprise 5 points that in one pitch of sensor main grid, approaches uniformity is distributed.
3. measured value is, with the algebraic step of gauge block nominal value, the error of indication that inside dimension is measured.
Its value is all not to be exceededTable 1The limits of error of regulation;
The calibration of the error of indication should fasten at screw and unclamp and carry out under two states. No matter whether chi frame fastens, and the measuring surface of internal groove caliper 1 contacts should be able to normally slide with measuring block accessory 2 surface.
Can this method has verified the error of indication of such slide calliper rule meet instructions for use, has accurately carried out transmission of quantity value, and has effectively traced to the source.
Claims (1)
1. the calibration steps of an internal groove caliper error of indication, it is characterised in that:
1) it is calibrated with measuring block accessory (2) composition inside dimension with one group of five gauge block such as grade, first calibrate the merging width (B) of internal groove caliper (1) internal measure-hand (3), then its internal measure-hand (3) is carried out error of indication verification, inside dimension measuring surface should be made to contact with measuring block accessory (2) feel;
2) distribution of calibration point: for measuring scope internal groove caliper (1) in 300mm, no less than equally distributed 3 points; For measuring the scope internal groove caliper (1) more than 300mm, no less than equally distributed 6 points; The calibration of the error of indication should fasten at screw and unclamp and carry out under two states, and the measuring surface of internal groove caliper (1) contacts should be able to normally slide with measuring block accessory (2) surface;
3) measured value is, with the algebraic step of gauge block nominal value, the error of indication that inside dimension is measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666337.6A CN105674834A (en) | 2014-11-20 | 2014-11-20 | Method for calibrating indication error of internal groove caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666337.6A CN105674834A (en) | 2014-11-20 | 2014-11-20 | Method for calibrating indication error of internal groove caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105674834A true CN105674834A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410666337.6A Pending CN105674834A (en) | 2014-11-20 | 2014-11-20 | Method for calibrating indication error of internal groove caliper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679529A (en) * | 2016-12-19 | 2017-05-17 | 广电计量检测（北京）有限公司 | Caliper checking fixture |
Citations (6)
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| JPH01161102A (en) * | 1987-12-17 | 1989-06-23 | Koyo Seiko Co Ltd | Chamfering size measuring instrument |
| CN201548149U (en) * | 2009-09-21 | 2010-08-11 | 浙江吉利汽车有限公司 | Indication error calibration clamp of large-size outside micrometer |
| CN201974117U (en) * | 2011-03-24 | 2011-09-14 | 东莞市世通仪器检测服务有限公司 | Detection device for outer measuring jaw of caliper |
| CN202083309U (en) * | 2011-06-21 | 2011-12-21 | *** | Automatic calibrating apparatus of wide-range general calipers |
| JP2013242286A (en) * | 2012-05-22 | 2013-12-05 | Yoshiike Kaken Kiki Kk | Railroad wheel measurement caliper |
| CN203798271U (en) * | 2014-03-28 | 2014-08-27 | 上海市浦东新区计量质量检测所 | Digital display caliper subdivision error calibration device |
-
2014
- 2014-11-20 CN CN201410666337.6A patent/CN105674834A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01161102A (en) * | 1987-12-17 | 1989-06-23 | Koyo Seiko Co Ltd | Chamfering size measuring instrument |
| CN201548149U (en) * | 2009-09-21 | 2010-08-11 | 浙江吉利汽车有限公司 | Indication error calibration clamp of large-size outside micrometer |
| CN201974117U (en) * | 2011-03-24 | 2011-09-14 | 东莞市世通仪器检测服务有限公司 | Detection device for outer measuring jaw of caliper |
| CN202083309U (en) * | 2011-06-21 | 2011-12-21 | *** | Automatic calibrating apparatus of wide-range general calipers |
| JP2013242286A (en) * | 2012-05-22 | 2013-12-05 | Yoshiike Kaken Kiki Kk | Railroad wheel measurement caliper |
| CN203798271U (en) * | 2014-03-28 | 2014-08-27 | 上海市浦东新区计量质量检测所 | Digital display caliper subdivision error calibration device |
Non-Patent Citations (1)
| Title |
|---|
| 常青等: "《通用卡尺检定规程》", 31 March 2012 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679529A (en) * | 2016-12-19 | 2017-05-17 | 广电计量检测（北京）有限公司 | Caliper checking fixture |
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Application publication date: 20160615 |
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