CN104475551B - Grooving tool used for processing V-shaped groove and production and use method of grooving tool - Google Patents
Grooving tool used for processing V-shaped groove and production and use method of grooving tool Download PDFInfo
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- CN104475551B CN104475551B CN201410576555.0A CN201410576555A CN104475551B CN 104475551 B CN104475551 B CN 104475551B CN 201410576555 A CN201410576555 A CN 201410576555A CN 104475551 B CN104475551 B CN 104475551B
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Abstract
The invention relates to a grooving tool used for processing a V-shaped groove and a production and use method of the grooving tool. The grooving tool comprises a body (1); the top of the body (1) is provided with a V-shaped sharp angle (2); and the V-shaped sharp angle (2) is 60 degrees. The production method comprises the steps of manufacturing the grooving tool, quenching and tempering. The use method comprises the steps of pounding out the V-shaped groove (3) on a working allowance area or scraps of a workpiece to be measured through a hammer by using the grooving tool, demarcating ultrasonic testing sensitivity according to the V-shaped groove, and making a digital to analogue conversion (DAC) curve for detecting. According to the grooving tool used for processing the V-shaped groove and the production and use method of the grooving tool, the V-shaped groove (3) is pounded out on a working allowance area or scraps of the workpiece to be measured through the hammer by using the grooving tool, then the detection can be conducted; and labor intensity is greatly saved, processing cost is reduced, the operation is simple, a use effect is excellent, and the application range is wide.
Description
Technical field
The present invention relates to a kind of grooving tool and preparation method thereof, for processing artificial defect reflector V-shaped groove.Belong to
Technical field of nondestructive testing.
Background technology
In order to ensure the accuracy of ultrasound examination result, repeatable and comparativity it is necessary to be had known solid with one
The sample determining characteristic is calibrated to ultrasonic wave detecting system.Artificial defect reflector V-shaped groove sample, has surface opening
The feature of linear discontinuities, general with it is determined that detection sensitivity and evaluate defect size.It is applied to the works such as steel plate, steel pipe, forging
The transverse wave double-bevel detector detection of part.
Artificial defect reflector V-shaped groove sample at present, intercepts workpiece or simulation workpiece individually processes.V-shaped
Groove sample should choose, material, Technology for Heating Processing and surface appearance same or like steel pipe system identical with tested steel pipe specification
Standby.Therefore, for workpiece sensing such as steel plate, forging, also should prepare identical with examined workpiece specification, material, Technology for Heating Processing and
The same or like V-shaped groove sample of surface appearance.
Because the specification of various examined workpiece is numerous, material, heat treatment and surface appearance are numerous and diverse, if a kind of specification or one kind
It is matched that the examined workpiece of situation just prepares a kind of artificial reflector V-shaped groove sample, it will greatly increases working strength,
Increase processing cost.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency, there is provided a kind of grooving tool for processing V-shaped groove and its
Making and use method, is knocked out as beating steel seal with hammer on the waste material of allowance or corner of examined workpiece with this instrument
V-shaped groove, then carries out detecting, saves extensive work intensity, and reduce processing cost, simultaneously simple to operate,
Using effect is good and applied widely.
The object of the present invention is achieved like this:
A kind of grooving tool for processing V-shaped groove it is characterised in that: described grooving tool includes body, body
A size of 300mm × 250mm × 6mm, the top of described body is provided with a V-shaped wedge angle, and described V-shaped wedge angle is in 60 °.
A kind of grooving tool for processing V-shaped groove of the present invention, its making and use method includes below scheme:
Step one, from alloy tool steel as V-shaped groove grooving tool steel, for being subsequently easy to machining, pairing
Golden tool steel carries out spheroidizing heat treatment, for cγ12moV alloy tool steel, heats 3～4 at a temperature of 850 DEG C～870 DEG C
H, is cooled to 730 DEG C～750 DEG C isothermal 6～8 h soon, and stove is cooled to 500 DEG C and then air cooling.Alloy tool steel after annealing is processed into
Top V-shaped wedge angle is in 60 ° of V-shaped groove grooving tool
Step 2, for increase hardness, to processing after grooving tool quenched and tempering heat treatment.Using 980 DEG C～
1030 DEG C of oil quenchings, are tempered 2～3h at a temperature of 150 DEG C～180 DEG C.For cγ12moV steel, at a temperature of 1030 DEG C quenching and
It is tempered at a temperature of 400 DEG C, best intensity and toughness, long service life can be obtained.
Step 3, using grooving tool on the waste material of the allowance of examined workpiece or corner with hammer as beating steel seal
Knock out V-shaped groove.
Step 4, according to this V-shaped groove demarcate ultrasound examination sensitivity, make dac curve.It is exactly upper and lower in workpiece
V-shaped groove is knocked out on surface, detects workpiece lower surface V-shaped groove with ultrasonic wave direct wave acoustic beam, adjusts its reflection wave height in fluorescence
Screen 80% height, and sensitivity makes first point of dac curve on the basis of this height.Ultrasonic wave direct wave acoustic beam is used to detect again
Workpiece surface V-shaped groove, makes the second point of dac curve.Connect the line of and second point at first point it is simply that dac to be done
Curve.Defect waves height can be checked and accepted in this curve person, then refuses to check and accept higher than this curve person.
Step 5, according to the defect that this V-shaped groove evaluation is detected be check and accept or refuse check and accept defect.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of grooving tool for processing V-shaped groove of the present invention and its making and use method, simple to operate, determination is saturating
According to section accurate, reproducibility is good and Detection results are good.
Brief description
Fig. 1 is the sectional view of the grooving tool of the present invention.
Fig. 2 is the second probe and the first probe corresponding location diagram of V-shaped groove with workpiece upper and lower surface respectively.
Fig. 3 is the dac curve synoptic diagram of the present invention.
In figure:
Body 1,
V-shaped wedge angle 2,
V-shaped groove 3,
First probe 4,
Second probe 5,
First wave height 6,
Second wave height 7,
Dac curve 8.
Specific embodiment
The present invention and a kind of grooving tool for V-shaped groove, including body 1, the size of body 1 is 300mm × 250mm
× 6mm, the top of described body 1 is provided with a V-shaped wedge angle 2, and described V-shaped wedge angle 2 is in 60 °.
The present invention relates to a kind of making and use method of the grooving tool for processing V-shaped groove, described preparation method
Including below scheme:
Step one, from alloy tool steel as V-shaped groove grooving tool steel, for being subsequently easy to machining, pairing
Golden tool steel carries out spheroidizing heat treatment, for cγ12moV alloy tool steel, heats 3～4 at a temperature of 850 DEG C～870 DEG C
H, is cooled to 730 DEG C～750 DEG C isothermal 6～8 h soon, and stove is cooled to 500 DEG C and then air cooling.Alloy tool steel after annealing is processed into
Top V-shaped wedge angle is in 60 ° of V-shaped groove grooving tool.
Step 2, for increase hardness, to processing after grooving tool quenched and tempering heat treatment.Using 980 DEG C～
1030 DEG C of oil quenchings, are tempered 2～3h at a temperature of 150 DEG C～180 DEG C.For cγ12moV steel, at a temperature of 1030 DEG C quenching and
It is tempered at a temperature of 400 DEG C, best intensity and toughness, long service life can be obtained.
Step 3, using grooving tool on the waste material of the allowance of examined workpiece or corner with hammer as beating steel seal
Lower surface knocks out V-shaped groove 3 respectively thereon.
Step 4, according to this V-shaped groove 3 demarcate ultrasound examination sensitivity, make dac curve.Using ultrasonic wave direct projection
The V-shaped groove 3 of the first probe 4 detection workpiece lower surface of wave sound bundle, adjusts its reflection wave height in fluorescent screen 80% height, and with
On the basis of this height, the first wave height 6 of dac curve 8 is made in sensitivity.Again with the second probe 5 using ultrasonic wave direct wave acoustic beam
Detect the V-shaped groove 3 of workpiece surface, make the second wave height 7 of dac curve 8.First wave height 6 and the line of the second wave height 7,
Seek to the dac curve 8 doing, defect waves height can be checked and accepted in this curve person, then refuse to check and accept higher than this curve person.
Step 5, evaluate the defect that is detected according to this V-shaped groove 3 be the defect checking and accepting or refusing to check and accept.
Claims (1)
1. a kind of grooving tool for processing V-shaped groove it is characterised in that: described grooving tool includes body (1), described
The top of body (1) is provided with a V-shaped wedge angle (2), and described V-shaped wedge angle (2) is in 60 °；The making of described grooving tool and use
Method includes below scheme:
Step one, from alloy tool steel as V-shaped groove grooving tool steel, alloy tool steel is carried out spheroidizing heat at
Reason；
At a temperature of 850 DEG C～870 DEG C, alloy tool steel is heated 3～4 h, is cooled to 730 DEG C～750 DEG C isothermal 6～8 h soon,
Stove is cooled to 500 DEG C and then air cooling, and the alloy tool steel after annealing is processed into the V-shaped groove fluting work that top V-shaped wedge angle is in 60 °
Tool；
Step 2, to processing after grooving tool quenched and tempering heat treatment；Oil quenching at a temperature of 980 DEG C～1030 DEG C,
And it is tempered 2～3h at a temperature of 150 DEG C～180 DEG C；
Step 3, knock out V-shaped groove (3) with hammer using grooving tool on the waste material of the allowance of examined workpiece or corner；
Step 4, according to this V-shaped groove (3) demarcate ultrasound examination sensitivity, make dac curve；
The first probe (4) using ultrasonic wave direct wave acoustic beam detects the V-shaped groove (3) of workpiece lower surface, adjusts its back wave
High in fluorescent screen 80% highly, and first wave height (6) of dac curve (8) is made in sensitivity on the basis of this height, then with utilizing
Second probe (5) of ultrasonic wave direct wave acoustic beam detects the V-shaped groove (3) of workpiece surface, makes the second of dac curve (8)
Wave height (7), the line on the first wave height (6) and the second wave height (7) summit it is simply that dac curve (8) to be done, defect waves height in
This dac curve (8) person can check and accept, and then refuses to check and accept higher than this dac curve (8) person；
Step 5, evaluate the defect that is detected according to this V-shaped groove (3) be the defect checking and accepting or refusing to check and accept.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576555.0A CN104475551B (en) | 2014-10-24 | 2014-10-24 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576555.0A CN104475551B (en) | 2014-10-24 | 2014-10-24 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104475551A CN104475551A (en) | 2015-04-01 |
| CN104475551B true CN104475551B (en) | 2017-01-18 |
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| CN201410576555.0A Active CN104475551B (en) | 2014-10-24 | 2014-10-24 | Grooving tool used for processing V-shaped groove and production and use method of grooving tool |
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Citations (6)
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|---|---|---|---|---|
| JPS6020820A (en) * | 1983-07-15 | 1985-02-02 | Oiles Ind Co Ltd | Method of manufacturing blank for winding bush bearing and cutting mold for obtaining said blank |
| CN1038842A (en) * | 1988-06-18 | 1990-01-17 | 大连理工大学 | The mould steel reinforcement toughening process of steel tipped structure |
| CN2192415Y (en) * | 1994-03-24 | 1995-03-22 | 云南变压器厂 | Metal round pipe grooving die |
| CN1125653A (en) * | 1994-12-27 | 1996-07-03 | 大连海事大学 | Mechanical cutter blade and its processing technology |
| CN102621236A (en) * | 2012-03-31 | 2012-08-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Test specimen and test method for testing performance of ultrasonic flaw detection probe |
| CN103464504A (en) * | 2013-09-24 | 2013-12-25 | 张家港保税区冠祥贸易有限公司 | Production method of cold pressing mold |
-
2014
- 2014-10-24 CN CN201410576555.0A patent/CN104475551B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020820A (en) * | 1983-07-15 | 1985-02-02 | Oiles Ind Co Ltd | Method of manufacturing blank for winding bush bearing and cutting mold for obtaining said blank |
| CN1038842A (en) * | 1988-06-18 | 1990-01-17 | 大连理工大学 | The mould steel reinforcement toughening process of steel tipped structure |
| CN2192415Y (en) * | 1994-03-24 | 1995-03-22 | 云南变压器厂 | Metal round pipe grooving die |
| CN1125653A (en) * | 1994-12-27 | 1996-07-03 | 大连海事大学 | Mechanical cutter blade and its processing technology |
| CN102621236A (en) * | 2012-03-31 | 2012-08-01 | 南车戚墅堰机车车辆工艺研究所有限公司 | Test specimen and test method for testing performance of ultrasonic flaw detection probe |
| CN103464504A (en) * | 2013-09-24 | 2013-12-25 | 张家港保税区冠祥贸易有限公司 | Production method of cold pressing mold |
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| CN104475551A (en) | 2015-04-01 |
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