CN108613612A - A kind of annular groove diameter measurement tool - Google Patents
A kind of annular groove diameter measurement tool Download PDFInfo
- Publication number
- CN108613612A CN108613612A CN201810643232.7A CN201810643232A CN108613612A CN 108613612 A CN108613612 A CN 108613612A CN 201810643232 A CN201810643232 A CN 201810643232A CN 108613612 A CN108613612 A CN 108613612A
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- China
- Prior art keywords
- upper cover
- screw thread
- chassis
- annular groove
- gauge head
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Classifications
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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
-
- 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
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of annular groove diameter measurement tools, belong to technical field of measuring equipment.It includes discoid upper cover, discoid chassis, discoid screw thread disk, adjusting rod and three measurement assemblies；Upper cover centre bore is offered in the axial direction at the upper surface center of the upper cover, is uniformly spaced apart and is set there are three upper cover sliding slot around upper cover centre bore in the upper surface of upper cover.The present invention uses 3 measurement methods, coordinated by the sliding block flat thread and the flat thread of screw thread disk upper surface of thread slider, three gauge head bars are made to carry out centrifugation or centripetal movement, the distance that three gauge head bars are moved is identical, error is reduced when measuring, the setting of gauge head bar simultaneously, convenient for being measured to being spaced smaller or deeper annular groove, and it can measure out the outer diameter and internal diameter of annular groove, it, can be by the way that the width of annular groove be calculated in the internal diameter and outer diameter for measuring annular groove.
Description
Technical field
The invention belongs to technical field of measuring equipment, and in particular to a kind of annular groove diameter measurement tool.
Background technology
It is measured for the detection with annular groove workpiece, generally by vernier caliper or passes through improved micrometer at present
Etc. cubings carry out the diameter measurement of annular groove, but when the groove width interval of annular groove is smaller, the gauge head of existing cubing is with regard to nothing
Method is caught in the groove width interval of annular groove, or when the depth of annular groove is deeper, and the gauge head of existing cubing can not be equally caught in
In annular groove, while existing cubing can not ensure the flatness between cubing and measured workpiece, the knot so measured
Fruit just has larger error with legitimate reading, cannot be satisfied actually detected needs.
Invention content
The present invention is in order to solve generally to carry out ring by vernier caliper or by cubings such as improved micrometers at present
The diameter measurement of shape slot, but when the groove width interval of annular groove is smaller, the gauge head of existing cubing can not just be caught in annular groove
In groove width interval, or when the depth of annular groove is deeper, the gauge head of existing cubing can not be equally caught in annular groove, existing simultaneously
Some cubings can not ensure the flatness between cubing and measured workpiece, and the result so measured will with legitimate reading
There is larger error, cannot be satisfied actually detected the problem of needing, and a kind of annular groove diameter measurement tool is provided.
To achieve the above object, the present invention uses following technical proposals：A kind of annular groove diameter measurement tool, it includes circle
The upper cover of plate-like, discoid chassis, discoid screw thread disk, adjusting rod and three measurement assemblies；The upper surface of the upper cover
Upper cover centre bore is offered at center in the axial direction, is uniformly spaced apart around upper cover centre bore in the upper surface of upper cover and is equipped with three
A upper cover sliding slot, one end of each upper cover sliding slot are connected with the upper cover centre bore, and the other end of upper cover sliding slot is along upper cover diameter
It extends to the outer edge of upper cover to direction, and is extended to there are one the settings of the lower section at the outer edge of upper cover in each upper cover sliding slot
With the upper cover block of upper cover lower surface consolidation so that form upper cover in upper cover lower surface between two adjacent upper cover blocks and adjust
Gap；
Center chassis hole is offered in the axial direction at the upper surface center on the chassis, the upper surface outer edge on chassis
Place is provided with suitable for blocking the chassis boss for putting upper cover block in the upper cover lower surface；Along axis at the upper surface center of screw thread disk
Direction offers screw thread center hole, and is machined with flat thread around screw thread center hole in the upper surface of screw thread disk；
Each measurement assembly includes gauge head bar, connecting plate and thread slider, and the upper surface of thread slider is consolidated with suitable for card
Thread slider protrusion in upper cover sliding slot is put into upper cover, and the lower surface of thread slider, which is machined with, to be suitable for and screw thread disk upper surface
The sliding block flat thread that flat thread is coordinated, gauge head bar are vertically arranged, and the top of gauge head bar is solid by screw
It is scheduled on one end of connecting plate, the other end of connecting plate is fixed by screws on thread slider；
Screw thread disk is placed at the upper surface of chassis, and the upper cover block card of lower surface is placed on the chassis boss on chassis in upper cover
Place, and chassis is attached fixation with upper cover by screw, and then screw thread disk is limited between chassis and upper cover；It is each to measure
Thread slider protrusion card in component on thread slider is placed in the upper cover sliding slot of a upper cover, and the sliding block plane of thread slider
Screw thread and the flat thread of screw thread disk upper surface are coordinated, and the gauge head bar in each measurement assembly passes through upper cover centre bore, spiral shell
Line center hole is stretched out by center chassis hole；
It is additionally provided with main scale and vernier scale at upper cap upper surface any one upper cover sliding slot, the vernier scale is fixed on phase
It answers on the connecting plate on the thread slider in upper cover sliding slot, and makes axis where the center of circle of gauge head bar and trip on corresponding connecting plate
The zero graduation of scale high scale overlaps；One end of the main scale is assemblied in the vernier scale sliding slot of vernier scale, the other end of main scale
It extends in a radial direction to upper cover outer edge and is fixed by screw and upper cover；It is uniformly opened up on the lateral wall of screw thread disk
There are multiple adjustment holes, one end plug of the adjusting rod to be arranged in the adjustment hole on any one screw thread disk lateral wall, adjust
The other end of bar adjusts gap by upper cover and is pierced by.
Preferably, fan-shaped cross section for the gauge head bar, and fan-shaped angle radian is 120 °, gauge head bar by screw with
When connecting plate is fixed, the fan-shaped cambered surface of gauge head bar along upper cover radial direction outwardly.
Preferably, it is connected with the vertically baffle with connecting plate lower surface in the lower surface of connecting plate.
Preferably, it is also added there are two L-type fixed plate in the screw connection of main scale and upper cover, each L-type fixed plate
One end is fixed by a screw with upper cover, and the one of the screw and main scale that the other end of L-type fixed plate is set up in parallel by two
Side is fixed, and two L-type fixed plates divide the both sides of row main scale.
The beneficial effects of the invention are as follows：
The present invention uses 3 measurement methods, passes through the plane of the sliding block flat thread and screw thread disk upper surface of thread slider
Screw thread is coordinated, and it is identical so that three gauge head bars is carried out centrifugation or centripetal movement, the distance that three gauge head bars are moved
, error, while the setting of gauge head bar are reduced when measuring, convenient for being measured to being spaced smaller or deeper annular groove, and
The outer diameter and internal diameter that can measure out annular groove can be by being calculated annular groove in the internal diameter and outer diameter for measuring annular groove
Width.By making the lower surface on chassis be bonded with the annular groove end face of tested part when measurement, to ensure entire measure
The flatness of tool reduces measurement error, meets actual use needs.
Description of the drawings
Fig. 1 is the overall structure diagram of the invention detected when reading is zero；
Fig. 2 is the overall structure diagram of upper cover；
Fig. 3 is the overall structure diagram on chassis；
Fig. 4 is the overall structure diagram of screw thread disk；
Fig. 5 is the configuration schematic diagram of measurement assembly；
Fig. 6 is the configuration schematic diagram that main scale, vernier scale are assembled in measurement assembly；
Fig. 7 is the overall structure diagram that main scale, vernier scale are assembled in measurement assembly；
Fig. 8 is the overall structure diagram of the tested part with annular groove；
Fig. 9 is working state structure signal when being measured tested part annular groove to a certain reading using the present invention
Figure；
Figure 10 is that Fig. 9 hides the structural schematic diagram after upper cover；
Figure 11 is the overlooking structure diagram of Figure 10.
Specific implementation mode
What needs to be explained here is that described noun of locality left, right, front and rear etc. are defined on the basis of view shown in FIG. 1
, it should be understood that the use of the noun of locality should not limit the requested protection domain of the application.
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1 to 11, a kind of annular groove diameter measurement tool, it includes discoid upper cover 2, discoid bottom
Disk 1, discoid screw thread disk 10, adjusting rod 11 and three measurement assemblies 9；Along axis side at the upper surface center of the upper cover 2
To offering upper cover centre bore 2a, uniformly it is spaced apart around upper cover centre bore 2a in the upper surface of upper cover 2 and sets that there are three upper covers to slide
Slot 2b, one end of each upper cover sliding slot 2b are connected with the upper cover centre bore 2a, and the other end of upper cover sliding slot 2b is along 2 diameter of upper cover
The outer edge of upper cover 2 is extended to direction, and is extended to below at the outer edge of upper cover 2 and be provided in each upper cover sliding slot 2b
One upper cover block 2c consolidated with 2 lower surface of upper cover so that shape between two adjacent upper cover block 2c in 2 lower surface of upper cover
Gap 2d is adjusted at upper cover；
Center chassis hole 1b is offered at the upper surface center on the chassis 1 in the axial direction, outside the upper surface on chassis 1
Edge is provided with suitable for blocking the chassis boss 1a for putting upper cover block 2c in 2 lower surface of the upper cover；The upper surface of screw thread disk 10
Screw thread center hole 10b is offered at center in the axial direction, and screw thread center hole 10b is surrounded in the upper surface of screw thread disk 10
It is machined with flat thread 10a；
Each measurement assembly 9 includes gauge head bar 9a, connecting plate 9b and thread slider 9f, and the upper surface of thread slider 9f consolidates
Have suitable for blocking the thread slider protrusion 91f put into upper cover 2 in upper cover sliding slot 2b, the lower surface of thread slider 9f, which is machined with, to be suitable for
The sliding block flat thread 92f coordinated with the flat thread 10a of 10 upper surface of screw thread disk, gauge head bar 9a are vertically set
It sets, and the top of gauge head bar 9a is fixed by screws in one end of connecting plate 9b, the other end of connecting plate 9b is fixed by screw
On thread slider 9f；
Screw thread disk 10 is placed at 1 upper surface of chassis, and the upper cover block 2c cards of lower surface are placed on the bottom on chassis 1 in upper cover 2
At disk boss 1a, and chassis 1 is attached fixation with upper cover 2 by screw, and then screw thread disk 10 is limited in chassis 1 and upper cover
Between 2；Thread slider protrusion 91f cards in each measurement assembly 9 on thread slider 9f are placed on the upper cover sliding slot 2b of a upper cover 2
It is interior, and the sliding block flat thread 92f of thread slider 9f and the flat thread 10a of 10 upper surface of screw thread disk are coordinated, it is each to survey
The gauge head bar 9a measured in component 9 passes through upper cover centre bore 2a, screw thread center hole 10b to be stretched out by center chassis hole 1b；
Main scale 6 and vernier scale 5 are additionally provided at any one the upper cover sliding slot 2b of 2 upper surface of upper cover, the vernier scale 5 is solid
It is scheduled on the connecting plate 9b on the thread slider 9f in corresponding upper cover sliding slot 2b, and makes gauge head bar 9a on corresponding connecting plate 9b
Axis where the center of circle is overlapped with the zero graduation of 5 high scale of vernier scale；One end of the main scale 6 is assemblied in the vernier scale of vernier scale 5
In sliding slot, the other end of main scale 6 is extended in a radial direction to 2 outer edge of upper cover and is fixed by screw and upper cover 2；In spiral shell
Multiple adjustment hole 10c are uniformly offered on the lateral wall of line disk 10, one end plug of the adjusting rod 11 is arranged at any one
In adjustment hole on 10 lateral wall of screw thread disk, the other end of adjusting rod 11 adjusts gap 2d by upper cover and is pierced by.
Annular groove diameter measurement tool of the present invention, wherein discoid chassis 1 is used to support the screw thread with flat thread
The center chassis hole edges 1b of disk 10, chassis 1 are provided with chassis ring set 1k, when installing screw thread disk 10, by the spiral shell on screw thread disk 10
Line center hole 10b is sleeved on the One On The Chassis chassis ring set 1k, and then can block screw thread disk 10, to ensure concentricity.
In the three upper cover sliding slot 2b for being evenly distributed in the upper surface interval and opening up of upper cover 2, i.e. three upper cover sliding slot 2b are in 120 ° of angle circular arrays
Column distribution, the thread slider protrusion 91f cards in each measurement assembly 9 on thread slider 9f are placed on the upper cover sliding slot of a upper cover 2
In 2b so that thread slider 9f is moved in upper cover sliding slot 2b, and with the rotation of screw thread disk 10, three measurement assemblies
Thread slider 9f in 9 can make centripetal movement or centrifugal movement simultaneously, to ensure that three thread slider 9f displacement distances are identical.
Three upper covers of 2 lower surface of upper cover adjust gap 2d and are uniformly arranged, and screw thread disk is driven convenient for plug adjusting rod 11
10 are rotated, and the upper cover centre bore 2a among upper cover 2 is moved convenient for the measurement assembly 9, and for more preferably
Observation gauge head bar 9a measurement situation.Three measurement assemblies 9 are equipped on the connecting plate 9b in one of measurement assembly 9
Vernier scale 5 simultaneously so that axis where the center of circle of gauge head bar 9a is overlapped with the zero graduation of 5 high scale of vernier scale on corresponding connecting plate 9b,
When measured value is zero, i.e., the center of circle of three gauge head bar 9a overlaps, the zero graduation of axis where the center of circle and vernier scale 5, main scale 6
Zero graduation overlaps, and vernier scale 5 is fixed together with any one connecting plate 9b, i.e., vernier scale 5 is moved with corresponding thread slider 9f
It is dynamic.Make that there are certain gaps between vernier scale 5 and main scale 6, are slided convenient for vernier scale 5 on main scale 6 when assembly.It is main
Among 6 one end of ruler is located in the vernier scale sliding slot of vernier scale 5,6 other end of main scale is fixed motionless；Its precision and common trip
It is identical to mark slide calliper rule precision.
On the basis of above-mentioned technical proposal, fan-shaped cross section by the gauge head bar 9a, and fan-shaped angle radian is 120 °,
When gauge head bar 9a is fixed by screw and connecting plate 9b, the fan-shaped cambered surface of gauge head bar 9a along 2 radial direction of upper cover outwardly.So set
It sets, by pushing adjusting rod 11 that screw thread disk 10 is driven to rotate, the axis and the zero of vernier scale 5 where the fan-shaped center of circle of gauge head bar 9a
Zero graduation when overlapping of scale, main scale 6, it be that (r is gauge head bar 9a sectors shapes cross to r that three gauge head bar 9a, which are just combined into a radius,
The radius in section) complete cylinder.Three gauge head bar 9a form three-point type synchronous contact measurement in measurement process, to
Ensure the Stability and veracity measured.
On the basis of above-mentioned technical proposal, as shown in figure 5, the lower surface of connecting plate 9b be connected with vertically with connecting plate 9b
The baffle 91b of lower surface.So set, the vertically disposed baffle 91b in the lower ends connecting plate 9b is with thread slider 9f when connecting, it can
Ensure the verticality between connecting plate 9b and thread slider 9f, meets actual use needs.
On the basis of above-mentioned technical proposal, as shown in Figure 1, there are two also being added in the screw connection of main scale 6 and upper cover 2
One end of L-type fixed plate 8, each L-type fixed plate 8 is fixed by a screw and upper cover 2, and the other end of L-type fixed plate 8 passes through
The side of two screws being set up in parallel and main scale 6 is fixed, and two L-type fixed plates 8 divide the both sides of row main scale 6.Such as
This setting can ensure the depth of parallelism of main scale 6 for fixing main scale 6, while in 6 both sides of main scale setting fixed plate 8.
The present invention is when measuring operation, for the tested part 3 with annular groove, when the outer diameter for wanting measure annular slot
When, survey tool of the present invention is set to the top for being suspended from tested part 3, pushes adjusting rod 11 to drive screw thread disk 10 by appropriate direction
It is rotated, in 10 rotation process of screw thread disk, three coordinated with the flat thread 10a on screw thread disk 10 will be driven
Thread slider 9f along corresponding upper cover sliding slot 2b simultaneously make it is centripetal move, and three measurement assemblies 9 movement distance it is identical, make
The gauge head bar 9a of three 9 lower ends of measurement assembly is placed in the interval of 3 intermediate annular groove of tested part, at this time by survey tool of the present invention
The lower surface on chassis 1 is bonded with the annular groove end face of tested part 3, to ensure the flatness of entire survey tool.Then again
Secondary driving adjusting rod 11, when gauge head bar 9a in three measurement assemblies 9 fan-shaped cambered surface with 3 intermediate annular groove outer diameter of tested part
When side end face contacts, i.e., when driving adjusting rod 11 laborious, you can read the reading on main scale 6 and vernier scale 5；
To measure annular slot internal diameter when, after having measured the outer diameter of annular groove, negative direction push adjusting rod 11, screw thread
Disk 10 is accordingly rotated, and when screw thread disk 10 rotates, will be driven three measurement assemblies 9 while be made centrifugal movement, when three
When the center of circle of gauge head bar 9a is completely attached to the side end face of measured annular groove internal diameter in measurement assembly 9, i.e., when driving adjusting rod
11 it is laborious when, the reading on main scale 6 and vernier scale 5 can be read.
Since axis where the fan-shaped center of circle of gauge head bar 9a is overlapped with the zero graduation of 5 high scale of vernier scale.Therefore when survey
Measure annular groove outer diameter when, need plus gauge head bar 9a compensation radius i.e.：
It is measured outer diameter=(reading+gauge head bar 9a compensation radiuses r) × 2 on main scale 6 and vernier scale 5 of annular groove.
When the internal diameter of measure annular slot, compensation radius need not be added i.e.：
It is measured internal diameter=(reading on main scale 6 and vernier scale 5) × 2 of annular groove.
Limiting the scope of the invention, those skilled in the art should understand that, in technical scheme of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still the present invention's
Within protection domain.
Claims (4)
1. a kind of annular groove diameter measurement tool, it is characterised in that：It includes discoid upper cover, discoid chassis, disk
Screw thread disk, adjusting rod and three measurement assemblies of shape；It is offered in upper cover in the axial direction at the upper surface center of the upper cover
Heart hole is uniformly spaced apart around upper cover centre bore in the upper surface of upper cover and sets there are three upper cover sliding slot, and the one of each upper cover sliding slot
End is connected with the upper cover centre bore, and the other end of upper cover sliding slot extends to the outer edge of upper cover along upper cover radial direction, and
The lower section at the outer edge of upper cover is extended in each upper cover sliding slot to be arranged there are one the upper cover block consolidated with upper cover lower surface,
So that forming upper cover between two upper cover blocks adjacent in upper cover lower surface adjusts gap；
Center chassis hole is offered in the axial direction at the upper surface center on the chassis, is set at the upper surface outer edge on chassis
It is equipped with suitable for blocking the chassis boss for putting upper cover block in the upper cover lower surface；At the upper surface center of screw thread disk in the axial direction
Screw thread center hole is offered, and flat thread is machined with around screw thread center hole in the upper surface of screw thread disk；
Each measurement assembly includes gauge head bar, connecting plate and thread slider, the upper surface of thread slider be consolidated with suitable for card put to
Thread slider protrusion in upper cover in upper cover sliding slot, the lower surface of thread slider are machined with suitable for the plane with screw thread disk upper surface
The sliding block flat thread that screw thread is coordinated, gauge head bar are vertically arranged, and the top of gauge head bar is fixed by screws in
The other end of one end of connecting plate, connecting plate is fixed by screws on thread slider；
Screw thread disk is placed at the upper surface of chassis, and the upper cover block card of lower surface is placed at the chassis boss on chassis in upper cover, and
Chassis is attached fixation with upper cover by screw, and then screw thread disk is limited between chassis and upper cover；Each measurement assembly
Thread slider protrusion card on middle thread slider is placed in the upper cover sliding slot of a upper cover, and the sliding block flat thread of thread slider
Coordinated with the flat thread of screw thread disk upper surface, the gauge head bar in each measurement assembly passes through upper cover centre bore, screw thread disk
Centre bore is stretched out by center chassis hole；
Main scale and vernier scale are additionally provided at upper cap upper surface any one upper cover sliding slot, the vernier scale is fixed on corresponding
On the connecting plate on thread slider in lid sliding slot, and make axis and vernier scale where the center of circle of gauge head bar on corresponding connecting plate
The zero graduation of high scale overlaps；One end of the main scale is assemblied in the vernier scale sliding slot of vernier scale, and the other end of main scale is along diameter
Upper cover outer edge is extended to direction and is fixed by screw and upper cover；It is uniformly offered on the lateral wall of screw thread disk more
One end plug of a adjustment hole, the adjusting rod is arranged in the adjustment hole on any one screw thread disk lateral wall, adjusting rod
The other end adjusts gap by upper cover and is pierced by.
2. a kind of annular groove diameter measurement tool according to claim 1, it is characterised in that：The cross section of the gauge head bar
For sector, and fan-shaped angle radian is 120 °, and when gauge head bar is fixed by screw and connecting plate, the fan-shaped cambered surface of gauge head bar is along upper
Lid radial direction is outwardly.
3. a kind of annular groove diameter measurement tool according to claim 2, it is characterised in that：It is solid in the lower surface of connecting plate
It is connected to the baffle vertically with connecting plate lower surface.
4. a kind of annular groove diameter measurement tool according to claim 3, it is characterised in that：In the screw of main scale and upper cover
Junction is also added there are two L-type fixed plate, and one end of each L-type fixed plate is fixed by a screw with upper cover, and L-type is fixed
The side of screw and main scale that the other end of plate is set up in parallel by two is fixed, the two L-type fixed plate point row masters
The both sides of ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643232.7A CN108613612B (en) | 2018-06-21 | 2018-06-21 | Annular groove diameter measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643232.7A CN108613612B (en) | 2018-06-21 | 2018-06-21 | Annular groove diameter measuring tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108613612A true CN108613612A (en) | 2018-10-02 |
| CN108613612B CN108613612B (en) | 2020-10-30 |
Family
ID=63665329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810643232.7A Active CN108613612B (en) | 2018-06-21 | 2018-06-21 | Annular groove diameter measuring tool |
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