CN104482831B - High-accuracy in-hole system slot width and depth measurement method - Google Patents
High-accuracy in-hole system slot width and depth measurement method Download PDFInfo
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- CN104482831B CN104482831B CN201410770105.5A CN201410770105A CN104482831B CN 104482831 B CN104482831 B CN 104482831B CN 201410770105 A CN201410770105 A CN 201410770105A CN 104482831 B CN104482831 B CN 104482831B
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Abstract
The invention discloses a high-accuracy in-hole system slot width and depth measurement method. A comparative measurement method is adopted, A and H values of a measurement system are accurately calibrated by virtue of a gauge block, and after a width B value of the measurement system is accurately measured by virtue of an indicating micrometer, a difference value is fed back to a dial indicator in the measurement system after comparative measurement between the width B value and A1, H1 and B1 in a hole system of a part, so that a measured value of the part is obtained. The method is high in measurement accuracy, the dial indicator or a dial gauge can be selected according to the accuracy requirement of the part to be measured in a measurement process, and the slot width and slot depth of parts with different accuracy can be measured by scales with different accuracy; the method is wide in application range, and can be used for the measurement of a hole system with a smaller inner size, and the diameter d of a T-shaped stage at the head end of a T-shaped probe is changed to be adapted to hole systems with different sizes in the measurement process; the measurement system is convenient to manufacture, a conventional dial gauge or dial indicator is adopted for the measurement system, and can be directly purchased from a measuring tool manufacturer, and only a measurement seat and the T-shaped probe are required to be machined.
Description
Technical field
The present invention relates to a kind of hole is interior high accuracy groove width and groove depth measuring method, belong to machining fields of measurement.
Background technology
In complex parts such as field of machining, housing, shaped pieces as shown in Figure 3, its structure hole system is very common.Should
Type inside parts not merely include the hole of 1 fixed dimension, and its whole internal structure may have many different-diameters, no
Constitute with the hole of groove width.By taking dimension between holes A1, B1, H1 shown in accompanying drawing 3 as an example, its measuring method is generally entered using buckle depth indicator
Row measurement.With the continuous renewal of product, part design accuracy more and more higher, and this kind of general measurer of buckle depth indicator makes
The problem of precision wretched insufficiency is exposed with during, and section diameter D smaller holes system is used if buckle depth indicator, band
Hook depth indicator cannot be put in measured hole system, cause size to measure.
The content of the invention
It is an object of the invention to：High accuracy groove width and groove depth measuring method in a kind of hole system is provided, solution uses buckle
If depth indicator is measured, certainty of measurement is not high, and buckle depth indicator cannot extend in the less hole system of section diameter
The problem measured in hole.
Technical scheme：High accuracy groove width and groove depth measuring method in a kind of hole system, using measurement of comparison method,
With the A of slip gauge accurate calibration measuring system, H-number, after the width B values of measuring system are accurately measured with indicating mcrocalliper, pass through
With A1, the H1 and B1 measurement of comparison in hole in piece part system, difference is fed back on the amesdial in measuring system, so as to draw part
Measured value；Wherein described measuring system includes amesdial, and amesdial lower bottom part is provided with T-shaped chaining pin and replaces, T-shaped chaining pin lower end
Portion is provided with 1 T stage, and the shaft of T-shaped chaining pin is passed through and is stuck in inside the survey seat on amesdial lower bottom part；It is wherein described：
A values are：The distance of seat bottom surface P2 to T-shaped chaining pin head end T stage upper surface M2 is surveyed in measuring system；
H-number is：The distance of seat bottom surface P2 to T-shaped chaining pin head end T stage bottom surface N2 is surveyed in measuring system：
B values are：The thickness of T-shaped chaining pin head end T stage in measuring system；
A1 values are：The distance between tested part outer face P1 to tested part inside groove upper surface M1；
H1 values are：The distance between tested part outer face P1 to tested part inside groove lower surface N1；
B1 values are：The distance between tested part inside groove upper surface M1 to tested part inside groove lower surface N1, it is as tested
Part groove width.
In the system of aforesaid hole in high accuracy groove width and groove depth measuring method, the measuring method is concretely comprised the following steps：
A, the A with slip gauge accurate calibration measuring system, H-number, with indicating mcrocalliper the B values of measuring system are accurately measured；
The measurement of b, groove depth A1：T-shaped chaining pin in measuring system is put in tested metering-orifice system, survey seat bottom surface P2 and quilt is made
Survey part outer face P1 to overlap, by pressing button on amesdial, make T stage upper surface M2 and tested part inside groove upper surface M1
Laminating, show that groove depth A1 actual measurement size is：A1=A+ meter readings；
The measurement of c, groove width B1：T-shaped chaining pin in measuring system is put in measured hole system, make survey seat bottom surface P2 with it is tested
Part outer face P1 overlaps, and by pressing button on amesdial, pastes T stage upper surface M2 and tested part inside groove upper surface M1
Close, table is zeroed after laminating, then pressing button on amesdial pastes T stage bottom surface N2 and tested part inside groove lower surface N1
Close, show that groove width B1 actual measurement size is：B1=B+ meter readings；Or T-shaped chaining pin in measuring system is put in measured hole system, make survey
Seat bottom surface P2 overlaps with tested part outer face P1, by pressing button on amesdial, makes T stage bottom surface N2 with tested zero
Part inside groove lower surface N1 fit, table is zeroed after laminating, by press amesdial on button, make T stage upper surface M2 with it is tested
Part inside groove upper surface M1 fits, and the actual measurement size for drawing groove width B1 is：B1=B+ meter readings；
The measurement of d, groove depth H1：T-shaped chaining pin in measuring system is put in measured hole system, make survey seat bottom surface P2 with it is tested
Part outer face P1 overlaps, and by pressing button on amesdial, pastes T stage bottom surface N2 and tested part inside groove lower surface N1
Close, the actual measurement size for drawing groove depth H1 is：H1=H- meter readings.
In the system of aforesaid hole in high accuracy groove width and groove depth measuring method, after the completion of step a, arbitrarily complete step b,
After in c, d, then complete remaining two.
High accuracy groove width and groove depth measuring method in aforesaid hole system, A, H, B value measurement determination of the measuring system
Before, first according to the calibration value of A1, H1, B1 in tested part drawing, the T-shaped chaining pin of measuring system is machined out so that survey
A, H, B value of amount system and A1, H1, B1 value of tested part are close, and the diameter d of the T stage of T-shaped chaining pin head end should be less than by
Survey the lower difference of hole in piece part system diameter D.
Beneficial effects of the present invention：At this stage groove depth is compared with the measuring method of groove width in the system of the hole such as housing, shaped piece,
The measuring method of the present invention has advantages below：
1st, certainty of measurement is high, in measurement process can tested part as needed required precision select using amesdial or
It is dial gauge, the measurable different accuracy part groove width of scale of different accuracy and groove depth；
2nd, use range is wide, for smaller hole system inside dimension can also be measured, by changing T-shaped chaining pin head in measurement process
The diameter d of the T stage at end, is adapted to various sizes of hole system；
3rd, measuring system is easily manufactured, and scale, can be direct from existing dial gauge or amesdial in measuring system
From the buying of measurer manufacturer, it is only necessary to which seat and T-shaped chaining pin are surveyed in processing；
4th, it is simple to operate, during measurement use, can implement measurement using the personnel of scale, operator are normally
Bright book can completely grasp operational approach after simple training；
5th, use environment is less demanding, can use in production scene, strong adaptability；
6th, measuring system is with low cost, and personal or small business has the ability to purchase, uses, and part replacement is simple, side
Just.
In sum, the measuring system make use of existing ripe processing skill without any technological difficulties in terms of process technology
Art and equipment can be completed, and with good manufacturability, it is easy to realize, the measuring method principle is simple, easy to operate, measurement
High precision, use range is wide, promotes difficulty very little.
Description of the drawings
Accompanying drawing 1 is measuring system structural representation of the invention；
Accompanying drawing 2 is T-shaped chaining pin structural representation in the measuring system of the present invention；
Accompanying drawing 3 is tested part structural representation；
Reference：1- amesdials, 2- surveys seat, 3-T type chaining pins, 4-T type platforms.
Specific embodiment
Embodiments of the invention：A kind of hole is interior high accuracy groove width and groove depth measuring method, and the forwarding method general thought is
Using the method for measurement of comparison, first with the A of slip gauge accurate calibration measuring system, H-number, with indicating mcrocalliper survey is accurately measured
It is by carrying out measurement of comparison with A1, H1 and the B1 in hole in piece part system, the difference between them is anti-after the width B values of amount system
It is fed on the amesdial 1 in measuring system, so as to draw part measured value.And whole measuring system is as shown in accompanying drawing 1-2, including
There is 1 amesdial 1, the scale gauge head of the lower bottom part of amesdial 1 is replaced with T-shaped chaining pin 3, set in the lower end head of T-shaped chaining pin 3
1 T stage 4 is equipped with, the diameter of the T stage 4 is somewhat larger than the bar footpath of T-shaped chaining pin 3, the upper head screw thread of T-shaped chaining pin 3
In being threaded into the lower bottom part of amesdial 1, the shaft of T-shaped chaining pin 3 surveys seat 2 and is connected to thousand through surveying inside seat 2 during being screwed into
Divide the lower end of table 1, and fastened by screw.
As illustrated in the accompanying drawings from 1 to 3, it is illustrated that in sign be respectively：
A values are：The distance of the bottom surface P2 of seat 2 to the upper surface M2 of 3 head end T stage of T-shaped chaining pin 4 is surveyed in measuring system；
H-number is：The distance of the bottom surface P2 of seat 2 to the bottom surface N2 of 3 head end T stage of T-shaped chaining pin 4 is surveyed in measuring system：
B values are：The thickness of the head end T stage 4 of T-shaped chaining pin 3 in measuring system；
A1 values are：The distance between tested part outer face P1 to tested part inside groove upper surface M1；
H1 values are：The distance between tested part outer face P1 to tested part inside groove lower surface N1；
B1 values are：The distance between tested part inside groove upper surface M1 to tested part inside groove lower surface N1, it is as tested
Part groove width.
The measuring method is concretely comprised the following steps：
A, A, H-number that slip gauge accurate calibration measuring system is used first, with indicating mcrocalliper the B of measuring system is accurately measured
Value；
The measurement of b, groove depth A1：T-shaped chaining pin 3 in measuring system is put in tested metering-orifice system, make the bottom surface P2 of survey seat 2 with
Tested part outer face P1 overlaps, and by pressing the button on amesdial 1, makes the upper surface M2 and tested part inside groove of T stage 4
Upper surface M1 fits, and is so as to show that groove depth A1 surveys size：A1=A+ meter readings；
The measurement of c, groove width B1：T-shaped chaining pin 3 in measuring system is put in measured hole system, the bottom surface P2 of survey seat 2 and quilt is made
Survey part outer face P1 to overlap, by pressing the button on amesdial 1, make the upper surface M2 of T stage 4 and tested part inside groove upper end
Face M1 fits, and table is zeroed after laminating, and then pressing button on amesdial 1 makes under the bottom surface N2 of T stage 4 and tested part inside groove
End face N1 fits, and is so as to show that groove width B1 surveys size：B1=B+ meter readings；The measuring method of groove width B1 can divide in step c
For two kinds, another measuring method is：T-shaped chaining pin 3 in measuring system is put in measured hole system so that survey the bottom surface of seat 2
P2 overlaps with tested part outer face P1, by pressing the button on amesdial 1, makes in the bottom surface N2 of T stage 4 and tested part
Groove lower surface N1 fit, table is zeroed after laminating, by press amesdial 1 on button, make the upper surface M2 of T stage 4 with it is tested
Part inside groove upper surface M1 fits, so as to the actual measurement size for drawing groove width B1 is：B1=B+ meter readings；
The measurement of d, groove depth H1：T-shaped chaining pin 3 in measuring system is put in measured hole system, the bottom surface P2 of survey seat 2 and quilt is made
Survey part outer face P1 to overlap, by pressing the button on amesdial 1, make the bottom surface N2 of T stage 4 and tested part inside groove lower end
Face N1 fits, and the actual measurement size for drawing groove depth H1 is：H1=H- meter readings.
After the completion of step a, step b, c, d can not be completed in order, first complete step b or first complete step c or
Person first completes step d, after completing 1 step, then completes other steps.
Before A, H, B value measurement of measuring system determines, the calibration value of first A1, H1, B1 in tested part drawing,
The T-shaped chaining pin 3 of measuring system is machined out so that A1, H1, B1 value phase of A, H, B value of measuring system and tested part
Closely, in such words measurement process, the deflection amplitude of the amesdial 1 in measuring system is with regard to smaller, the error measured
It is just smaller, and in the course of processing of T-shaped chaining pin 3, the diameter d of the T stage 4 of its head end should be less than tested part hole system diameter D's
Lower difference, that is, its minima.And the determination of the size in measuring system can be determined according to following principle：
1st, the determination of length A：Length A determines that principle is A=A1- (A1 tolerance × 1～5 times)；
2nd, the determination of length B：Length B determines principle for difference -0～0.5 under B ＜ B1；
3rd, the determination of length H：Length H determines that principle is H=H1+ (H1 tolerance × 1～5 times)；
4th, the determination of diameter d：Diameter d determines the lower difference that principle is d ＜ D.
Each size is individually determined according to measurement position difference, and tolerance floating multiple is selected according to measured size precision.
And amesdial 1 can be replaced using dial gauge according to the measured size precision of tested part.
Claims (3)
1. a kind of hole is interior high accuracy groove width and groove depth measuring method, it is characterised in that：Using measurement of comparison method, with slip gauge essence
True A, the H-number of calibration measurement system, after the width B values of measuring system are accurately measured with indicating mcrocalliper, by with hole in piece part
A1, H1 and B1 measurement of comparison in system, difference is fed back to the amesdial in measuring system（1）On, so as to show that part is surveyed
Value；Wherein described measuring system includes amesdial（1）, amesdial（1）Lower bottom part is provided with T-shaped chaining pin（3）Replace, T-shaped chaining pin
（3）Lower end head is provided with 1 T stage（4）, T-shaped chaining pin（3）Shaft through being stuck in amesdial（1）Survey seat on lower bottom part
（2）It is internal；The measuring method is concretely comprised the following steps：
A, the A with slip gauge accurate calibration measuring system, H-number, with indicating mcrocalliper the B values of measuring system are accurately measured；
The measurement of b, groove depth A1：By T-shaped chaining pin in measuring system（3）In putting in tested metering-orifice system, survey seat is made（2）Bottom surface P2 with
Tested part outer face P1 overlaps, by pressing amesdial（1）Upper button, makes T stage（4）Upper surface M2 and tested part inside groove
Upper surface M1 fits, and show that groove depth A1 actual measurement size is：A1=A+ meter readings；
The measurement of c, groove width B1：By T-shaped chaining pin in measuring system（3）In putting in measured hole system, survey seat is made（2）Bottom surface P2 and quilt
Survey part outer face P1 to overlap, by pressing amesdial（1）Upper button, makes T stage（4）On upper surface M2 and tested part inside groove
End face M1 fits, and table is zeroed after laminating, then presses amesdial（1）Upper button makes T stage（4）Bottom surface N2 and tested part
Inside groove lower surface N1 fits, and show that groove width B1 actual measurement size is：B1=B+ meter readings；Or by T-shaped chaining pin in measuring system（3）Stretch
In entering measured hole system, survey seat is made（2）Bottom surface P2 overlaps with tested part outer face P1, by pressing amesdial（1）Upper button,
Make T stage（4）Bottom surface N2 fits with tested part inside groove lower surface N1, and table is zeroed after laminating, by pressing amesdial（1）
Upper button, makes T stage（4）Upper surface M2 fits with tested part inside groove upper surface M1, and the actual measurement size for drawing groove width B1 is：B1
=B+ meter readings；
The measurement of d, groove depth H1：By T-shaped chaining pin in measuring system（3）In putting in measured hole system, survey seat is made（2）Bottom surface P2 and quilt
Survey part outer face P1 to overlap, by pressing amesdial（1）Upper button, makes T stage（4）Under bottom surface N2 and tested part inside groove
End face N1 fits, and the actual measurement size for drawing groove depth H1 is：H1=H- meter readings；
It is wherein described：
A values are：Seat is surveyed in measuring system（2）Bottom surface P2 is to T-shaped chaining pin（3）Head end T stage（4）The distance of upper surface M2；
H-number is：Seat is surveyed in measuring system（2）Bottom surface P2 is to T-shaped chaining pin（3）Head end T stage（4）The distance of bottom surface N2：
B values are：T-shaped chaining pin in measuring system（3）Head end T stage（4）Thickness；
A1 values are：The distance between tested part outer face P1 to tested part inside groove upper surface M1；
H1 values are：The distance between tested part outer face P1 to tested part inside groove lower surface N1；
B1 values are：The distance between tested part inside groove upper surface M1 to tested part inside groove lower surface N1, as tested part
Groove width.
2. hole according to claim 1 is interior high accuracy groove width and groove depth measuring method, it is characterised in that：Step a
After the completion of, after arbitrarily completing in step b, c, d, then complete remaining two.
3. hole according to claim 1 is interior high accuracy groove width and groove depth measuring method, it is characterised in that：The measurement system
Before A, H, B value measurement of system determines, first according to the calibration value of A1, H1, B1 in tested part drawing, to the T-shaped of measuring system
Chaining pin（3）It is machined out so that A, H, B value of measuring system and A1, H1, B1 value of tested part are close, and T-shaped chaining pin
（3）The T stage of head end（4）Diameter d should be less than the lower difference of tested part hole system diameter D.
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| CN201410770105.5A CN104482831B (en) | 2014-12-15 | 2014-12-15 | High-accuracy in-hole system slot width and depth measurement method |
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|---|---|---|---|
| CN201410770105.5A CN104482831B (en) | 2014-12-15 | 2014-12-15 | High-accuracy in-hole system slot width and depth measurement method |
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| CN104482831B true CN104482831B (en) | 2017-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105066844B (en) * | 2015-05-14 | 2017-07-11 | 湖州市特种设备检测研究院 | Plug gauge type measurement apparatus for elevator traction sheave |
| CN105043202A (en) * | 2015-05-14 | 2015-11-11 | 湖州市特种设备检测研究院 | Elevator driving sheave groove rapid measurement apparatus |
| CN105841589A (en) * | 2016-06-08 | 2016-08-10 | 镇江奥立特机械制造有限公司 | Depth dial gauge |
| CN114593656A (en) * | 2022-01-21 | 2022-06-07 | 歌尔科技有限公司 | Measuring tool and measuring method |
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| SU1404795A1 (en) * | 1986-12-15 | 1988-06-23 | Минский Филиал Государственного Проектно-Технологического И Экспериментального Института "Оргстанкинпром" | Device for measuring parameters of grooves in inner holes |
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| CN102878899A (en) * | 2012-09-24 | 2013-01-16 | 周佼 | Device for measuring length of stepped hole inside deep hole |
| CN202947642U (en) * | 2012-11-13 | 2013-05-22 | 无锡麦铁精密机械制造有限公司 | Depth gauge of multiple oil grooves in hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB564202A (en) * | 1943-01-30 | 1944-09-18 | Ambrose Shardlow & Company Ltd | Improved adjustable comparator gauge for measuring taper or parallel-sided holes or bores |
| SU1404795A1 (en) * | 1986-12-15 | 1988-06-23 | Минский Филиал Государственного Проектно-Технологического И Экспериментального Института "Оргстанкинпром" | Device for measuring parameters of grooves in inner holes |
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