CN109163638A - A method of huge revolving cone shaped form diameter of work is measured using vertical vehicle - Google Patents
A method of huge revolving cone shaped form diameter of work is measured using vertical vehicle Download PDFInfo
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- CN109163638A CN109163638A CN201810988419.0A CN201810988419A CN109163638A CN 109163638 A CN109163638 A CN 109163638A CN 201810988419 A CN201810988419 A CN 201810988419A CN 109163638 A CN109163638 A CN 109163638A
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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
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A method of huge revolving cone shaped form diameter of work is measured using vertical vehicle, the circumference graduation line for marking N equal part in the inner surface of huge revolving cone shaped form workpiece using vertical vehicle, using the diameter of phi of inside micrometer measurement huge revolving cone shaped form workpiece straight sectionAAnd record, vertical vehicle digital display reading screen data R is read when the base position of percentage gauge pressure table simultaneouslyA, dial gauge is pressed onto 0 graduation position of percentage dial plate in measurement, records the vertical vehicle digital display reading screen data R under current circumference graduation lineN, the diameter that the huge revolving cone shaped form workpiece of the N articles circumference graduation line position is calculated is ΦA‑2|RN‑RA|.This method is indirect type measurement method, and measurement process is high-efficient, at low cost, it is easy to accomplish, it is suitble to the production of similar revolving body product.
Description
Technical field
The present invention relates to measurement methods, particularly relate to a kind of straight using vertical vehicle measurement huge revolving cone shaped form workpiece
The method of diameter.
Background technique
Huge revolving cone shaped form workpiece, due to the complexity in structure, so that its dimensional measurement is very difficult.
In terms of thin-walled revolution workpiece diameter measurement, domestic existing measurement method mainly have contact type measurement with it is contactless
Measurement method.
Commonly used contact measurement method: tape measure, miking, the desk-top three coordinate machine in gantry etc..
Tape measure: tape measure is the common measurement means in the not high situation of pressure vessel product measurement accuracy, measurement
Nominal error >=5mm, the method error of measuring is larger, can only measure revolving body two-port diameter, each for revolution cone inner wall
Axial position diameter can not measure.
Miking: miking is the conventional method of direct measure geometry diameter dimension, can measure large-diameter circular
The internal diameter of column casing body, precision are higher.But when using interior strength miking thin-wall curve surface revolution cone part diameter, due to returning
The particularity (aspect ratio is big) of swivel structure size, measuring tool is restricted, since miking head has centainly straight
Diameter, it is difficult to which the practical mark point for finding measured point can only be estimated in measurement process, with certain human error, secondly produce
Product surface axial direction is curved shape, causes the human error in measurement process larger, and measurement accuracy and efficiency are all very low.
The desk-top three coordinate machine in gantry: the desk-top three coordinate machine in gantry is precision measure higher device, but by device measuring principle
With size influence, can only measurement structure rule product, if cabinet come, axis products, for revolution cone, complex-curved structure then
It is unable to measure or measurement process needs to program, actual measurement is complex, and measurement cost is higher, is unable to measure large revolving body knot
Structure.
Common contactless measurement: caliper measurements, three-dimensional optical scanner etc..
Measurement for huge revolving outer surface of cone can be measured without large-scale outside micrometer at present, and the country measures past
Toward selecting artificial large-scale clamp cooperation inside micrometer to measure, precision is practical not to be can guarantee, and this method belongs to indirect measurement,
Efficiency is very low.
Three-dimensional optical scanning survey: three dimensional optical measuring technology is the measuring technique that fast development is got up in recent years, the measurement
Technology belongs to non-contact measurement, and by optical reflection imaging technique, which is widely used in large-scale multiple measurement process
The measurement of miscellaneous curved surface member, the measurement method principle be can quick obtaining measured workpiece surface data, pass through three-dimensional mark after the completion
Quasi-mode type compares processing, final to obtain product manufacturing error.The measurement method is the advantage is that measurement process is contactless
Measurement avoids human error, and especially curved-surface structure measurement advantage is more obvious, while measurement accuracy is high, is product inspection in recent years
The developing direction tested, the disadvantages of the method are as follows needing to extract on entire measured workpiece surface, after the completion as needed
Carry out follow-up data extract and processing, higher to measured workpiece surface requirements, treatment process needs certain time, measurement cost compared with
It is high.
Summary of the invention
In order to solve the above technical problems, the present invention provide it is a kind of straight using vertical vehicle measurement huge revolving cone shaped form workpiece
The method of diameter is indirect type measurement method, and measurement process is high-efficient, at low cost, it is easy to accomplish, it is suitble to similar revolving body product
Production.
To realize the above-mentioned technical purpose, used technical solution is: a kind of bent using vertical vehicle measurement huge revolving cone
The method of line style diameter of work, comprising the following steps:
Step 1: huge revolving cone shaped form workpiece is had the open end of straight section upward, and fixed after calibration vertical
On vehicle rotary disk, the circumference graduation line of N equal part is marked in the inner surface of huge revolving cone shaped form workpiece using vertical vehicle；
Step 2: using the diameter of phi of inside micrometer measurement huge revolving cone shaped form workpiece straight sectionAAnd it records；
Step 3: the dial gauge on vertical tool holder after installation zeroing, it is bent that the gauge outfit of dial gauge is vertically pressed in huge revolving cone
On line style workpiece straight section inner surface, make the pressed range of dial gauge in the 1/3-2/3 of dial gauge measurement range, after the completion by percentage
Table dial plate is directed at 0 scale, as the base position of percentage gauge pressure table, while reading vertical vehicle digital display reading screen data RA；
It is measured respectively Step 4: the dial gauge in base position of step 3 is moved down N contour of alignment,
Dial gauge is pressed onto 0 graduation position of percentage dial plate when measurement, records the vertical vehicle digital display reading screen data under current circumference graduation line
RN, N >=1；
Step 5: the diameter that the huge revolving cone shaped form workpiece of the N articles circumference graduation line position is calculated is
ΦA-2|RN-RA|。
The present invention oppose vehicle correction method be oppose the X of tool holder, Y-direction error be corrected, guarantee vertical lathe tool
Requirement≤0.3mm/1000mm after frame axial direction resetting error correction, after radial resetting error requirements correction≤
0.15mm/1000mm。
The beneficial effects of the present invention are:
(1) by numerical control vertical lathe knife rest band dial gauge, cooperate the method for vertical vehicle digital display reading screen and inside micrometer measurement, survey
It is higher compared to traditional measurement precision to measure result, meets conventional processes dimensional measurement needs；
(2) higher using this method measurement huge revolving cone shaped form diameter of work, ovality efficiency, it can be widely applied to back
Turn the daily measurement of class large-scale workpiece；
(3) be common common tool using equipment needed for the technical solution, compared with optical three-dimensional scanning detection method at
This reduction, while method is easy to grasp, and routine practitioner is suitble to use；
The method of the present invention is suitble to big height, more bending conical surface rotary structures, and detection process measuring instrumentss are using machining neck
Dial gauge is often used in domain, and holistic approach is relatively simple, is suitble to measurement revolution curved configuration, process is without programming, to operator
It is suitable for large-scale promotion without excessively high technical requirements.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of huge revolving cone shaped form workpiece；
Fig. 2 is cone of embodiment of the present invention ring detection scheme schematic diagram；
Fig. 3 is huge revolving cone shaped form workpiece schematic diagram of the embodiment of the present invention with straight section；
In figure: 1-vertical vehicle rotary table, 2-measured huge revolving cone shaped form workpiece, 3-vertical tool holders, 4-hundred
Divide table skeleton, 5-dial gauges, 6-vertical car data transmission lines, 7-vertical vehicle digital displays reading screens, φ A-huge revolving cone curve
Type workpiece calibration straight section diameter, B-huge revolving cone shaped form workpiece calibration straight section height.
Specific embodiment
By taking this paper as an example, Fig. 1 being seen, but being not limited to this kind of huge revolving cone shaped form workpiece, typical case's revolving body is bent
Line surface cone structure figure is as shown in Figure 1, wherein cone structure surface is that curve is linear, while cone is divided into bending part
Big end cone and small end cone two parts, small end part band flange arrangement, big end cone maximum gauge is 4m, small end flange outer diameter
Minimum 1.6m, structure whole height 1.8m.
Huge revolving cone shaped form Workpiece structure explanation: the huge revolving cone shaped form workpiece is similar to cone thin-walled
Rotary structure is made of three parts, and first part is big cone structure, and surface is streamlined；Second part is after bending
Bocca structure, surface are different from big end streamlined；The third sector is small end flange arrangement, and three parts are whole strike out
Type structure, rear to carry out whole finishing, two sections of cone structure wall thickness are relatively thin after processing.
Thin-wall curve surface revolution cone work-piece is the bearing capacity and huge revolving cone shaped form workpiece for guaranteeing the later period
The construction of internal unit installation accuracy and later period big end accurately connects, to cone inner surface certain height position diameter have compared with
High request has higher requirements to large port diameter, has higher requirements to huge revolving cone shaped form workpiece total height, to large size
The wall thickness of revolution cone shaped form workpiece has degree of precision requirement, to huge revolving cone shaped form workpiece axial line and small hold-carrying
The verticality of blue end face has higher requirements.Wherein for big end streamline cone, small end streamline cone and the ellipse of flange three
Degree, diameter testing requirements are higher, need implementation process to monitor measurement at any time, the adjustment for next step processing scheme provides data.
A method of huge revolving cone shaped form diameter of work is measured using vertical vehicle, comprising the following steps:
Step 1: huge revolving cone shaped form workpiece is had the open end of straight section upward, and fixed after calibration vertical
On vehicle rotary disk, the circumference graduation line of N equal part is marked in the inner surface of huge revolving cone shaped form workpiece using vertical vehicle；
Step 2: using the diameter of phi of inside micrometer measurement huge revolving cone shaped form workpiece straight sectionAAnd it records；
Step 3: the dial gauge on vertical tool holder after installation zeroing, it is bent that the gauge outfit of dial gauge is vertically pressed in huge revolving cone
On line style workpiece straight section inner surface, make the pressed range of dial gauge in the 1/3-2/3 of dial gauge measurement range, after the completion by percentage
Table dial plate is directed at 0 scale, as the base position of percentage gauge pressure table, while reading vertical vehicle digital display reading screen data RA；
It is measured respectively Step 4: the dial gauge in base position of step 3 is moved down N contour of alignment,
Dial gauge is pressed onto 0 graduation position of percentage dial plate when measurement, records the vertical vehicle digital display reading screen data under current circumference graduation line
RN, N >=1；
Step 5: the diameter that the huge revolving cone shaped form workpiece of the N articles circumference graduation line position is calculated is
ΦA-2|RN-RA|。
Present invention seek to address that the diameter of certain height is fast in large thin-wall curvilinear surface revolution cone work-piece process
Speed, high-precision measuring method, this method are a kind of indirect type measurement method, and measurement process is high-efficient, at low cost, it is easy to accomplish,
It is suitble to the production large-scale use of similar huge revolving cone shaped form workpiece.
The present invention is illustrated in conjunction with Fig. 2, Fig. 3 and specific embodiment, but the invention is not limited to these to implement
Example.
A method of huge revolving cone shaped form diameter of work is measured using vertical vehicle:
One, the preparation before measuring
(1) huge revolving cone shaped form workpiece is reserved in processing first processes straight section, as shown in figure 3, diameter is φ A,
Height is B, and wherein diameter phi A is consistent with workpiece large port diameter, the numberical range of B are as follows: 5-10mm.
(2) opposition vehicle overall precision is corrected, including vertical tool holder axial error and vertical vehicle be through to knife rest displacement error,
Requirement≤0.3mm/1000mm after its neutral tool holder axial direction resetting error correction, radial resetting error requirements correction
Afterwards≤0.15mm/1000mm after vertical vehicle is corrected to prescribed limit, can carry out the survey of huge revolving cone shaped form workpiece size
Amount.
Two, huge revolving cone shaped form workpiece calibration process
The measurement process of huge revolving cone shaped form workpiece for measuring huge revolving cone shaped form workpiece diameter, i.e., with
The big mouth of huge revolving cone shaped form workpiece is placed upward to be measured.Huge revolving cone shaped form outer surface of workpiece diameter is surveyed
Amount method is similar, and measurement straight section is only changed to flange inner diameter.
(1) huge revolving cone shaped form workpiece is beaten into table centering in vertical vehicle rotary disk, it will be large-scale using chuck outside vertical vehicle
Cone shaped form workpiece small end flange excircle is turned round to clamp；
(2) device location height is installed according to huge revolving cone shaped form workpiece, corresponding position height is marked using numerical control vertical lathe
Angularly 8 circumference graduation lines on line and each contour are spent, such as I, II, III ... Ⅸ altitude line in Fig. 2, while marking circumferential direction
8 circumference in equal parts reticules, form 8 equal portions grid lines, bisector is drawn in full entire huge revolving cone shaped form workpiece cone
Surface, including reserved straight section；
(3) diameter of straight section is reserved using the inside micrometer measurement position great Kou, measurement position is to measure diameter within the scope of B
Φ A reads and records Φ A specific value according to circumferential right-angled intersection both direction diameter, such as circumferential right-angled intersection both direction
Diameter error is greater than 2mm, will no longer measure, and replacement workpiece re-measures；
(4) vertical tool holder is installed into indicator bracket, dial gauge is installed on dial framework, it is desirable that dial gauge gauge outfit is adjusted to vertical as far as possible
Directly with huge revolving cone shaped form workpiece straight section inner surface, vertical vehicle is operated by dial gauge gauge outfit and is pressed in tested straight section,
It asks the pressed range of dial gauge in the 1/3-2/3 of dial gauge measurement range, dial gauge dial plate is directed at 0 scale after the completion, as hundred
Divide the base position of gauge pressure table, while reading vertical vehicle digital display reading screen data (measurement result respective radius), and record the data
RA, process do not allow artificially to touch dial gauge and its connection frame again；On the basis of turning round cone large end face, using dial gauge gauge outfit
0 graduation mark of circumference graduation line is corrected, that is, uses dial gauge gauge outfit to be expressed to benchmark dial plate numerical value as 0, so far detection system radius
And the correction of 0 graduation mark of circumference graduation line is completed.
(5) vertical tool holder band dial gauge is mobile to the center of circle after the completion of, and it is bent that the pressed gauge outfit of dial gauge leaves huge revolving cone
Line style workpiece surface is done exercises platform using vertical vehicle numerical control, operates vertical tool holder along measuring trajectory line shown in Fig. 2, to just pulling etc.
High line I measures, and measurement process is to be pressed in dial gauge to pull on line I, and operating numerical control founds tool holder and presses dial gauge to percentage
0 graduation position of dial plate stops pressure table, reads numerical control vertical lathe digital display reading value at this time, and record this radius result R1；
(6) process (5) is found vehicle digital display reading screen reading result with process (4) to subtract each other, obtains measurement difference | R1-RA|, this survey
Measuring difference is difference between huge revolving cone shaped form workpiece straight section radius and I radius of circumference graduation line, using internal diameter
Miking numerical value Φ A subtracts 2 times of reading difference, the as diameters of I position of circumference graduation line, i.e. ΦA-2|
R1-RA|；
(7) the value R on II, III ... Ⅸ contour at 8 circumference graduation lines is successively measuredNThe R obtained with process (4)ABetween it is poor
Value, 2 times for subtracting each circumference graduation line reading difference using Φ A, acquires diameters Φ at each circumference graduation line positionA-2
|RN-RA|。
(8) according to vehicle is found from each height radius orientation measurement resetting error, each circumference graduation line measurement is eliminated
Systematic error during diameter obtains final measurement.
Claims (2)
1. a kind of method using vertical vehicle measurement huge revolving cone shaped form diameter of work, it is characterised in that: including following step
It is rapid:
Step 1: huge revolving cone shaped form workpiece is had the open end of straight section upward, and fixed after calibration vertical
On vehicle rotary disk, the circumference graduation line of N equal part is marked in the inner surface of huge revolving cone shaped form workpiece using vertical vehicle；
Step 2: measuring the diameter of phi A of huge revolving cone shaped form workpiece straight section using inside micrometer and recording；
Step 3: the dial gauge on vertical tool holder after installation zeroing, it is bent that the gauge outfit of dial gauge is vertically pressed in huge revolving cone
On line style workpiece straight section inner surface, make the pressed range of dial gauge in the 1/3-2/3 of dial gauge measurement range, after the completion by percentage
Table dial plate is directed at 0 scale, as the base position of percentage gauge pressure table, while reading vertical vehicle digital display reading screen data RA；
It is measured respectively Step 4: the dial gauge in base position of step 3 is moved down N contour of alignment,
Dial gauge is pressed onto 0 graduation position of percentage dial plate when measurement, records the vertical vehicle digital display reading screen data under current circumference graduation line
RN, N >=1；
Step 5: the diameter that the huge revolving cone shaped form workpiece of the N articles circumference graduation line position is calculated is Φ
A-2|RN-RA|。
2. a kind of method using vertical vehicle measurement huge revolving cone shaped form diameter of work as described in claim 1, special
Sign is: the method for opposition vehicle correction be oppose the X of tool holder, Y-direction error be corrected, guarantee vertical tool holder axially weight
Requirement≤0.3mm/1000mm after multiple position error correction, after radial resetting error requirements correction≤0.15mm/1000mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145999A (en) * | 2019-06-17 | 2019-08-20 | 郑州机械研究所有限公司 | A kind of method of the taper of circular conical surface on inspection center axis |
| CN113953772A (en) * | 2021-11-13 | 2022-01-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method for casting special-shaped mounting edge of cone ring block |
| CN114894134A (en) * | 2022-05-20 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | Method, device, equipment and medium for measuring space size of rotary part |
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| CN107101555A (en) * | 2017-06-28 | 2017-08-29 | 贵州黎阳国际制造有限公司 | A kind of detection means and method for measuring round piece rabbet surface diameter |
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| US20100198553A1 (en) * | 2009-01-30 | 2010-08-05 | Axiam, Inc. | Absolute diameter measurement arm |
| CN102506638A (en) * | 2011-10-31 | 2012-06-20 | 沈阳黎明航空发动机(集团)有限责任公司 | Universal revolution measurement working table system and use method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145999A (en) * | 2019-06-17 | 2019-08-20 | 郑州机械研究所有限公司 | A kind of method of the taper of circular conical surface on inspection center axis |
| CN113953772A (en) * | 2021-11-13 | 2022-01-21 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method for casting special-shaped mounting edge of cone ring block |
| CN113953772B (en) * | 2021-11-13 | 2024-01-19 | 中国航发沈阳黎明航空发动机有限责任公司 | Machining method for special-shaped mounting edge of cast cone ring block |
| CN114894134A (en) * | 2022-05-20 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | Method, device, equipment and medium for measuring space size of rotary part |
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Application publication date: 20190108 |