CN108982240A - A kind of profile wire bending property test method of high stable anti-scratch - Google Patents
A kind of profile wire bending property test method of high stable anti-scratch Download PDFInfo
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- CN108982240A CN108982240A CN201810585118.3A CN201810585118A CN108982240A CN 108982240 A CN108982240 A CN 108982240A CN 201810585118 A CN201810585118 A CN 201810585118A CN 108982240 A CN108982240 A CN 108982240A
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- dead man
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- external force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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Abstract
The invention discloses a kind of profile wire bending property test methods of high stable anti-scratch, include the following steps, choose the sample of profile wire, and sample is more；According to the size of sample, the specification of dead man is selected；The bend arm of dead man is in upright position, and the lower end of sample is fixed on to the lower end of dead man by jaw pincers, sample upper end is connected with the bend arm open end of dead man；The angle for applying external force rotoflector arm rotates bend arm with dead man axis average rate, and when in rotary course, sample is along dead man spiral, and until sample is broken, record applies the value of external force at this time；It repeats the above steps, bending property test is carried out to next sample, and record the root sample corresponding application external force value in fracture and average until the completion of all test samples to obtained all application external force values, obtain average application external force value.The present invention can obtain accurate silk bending property value, can guarantee the qualification rate of steel wire.
Description
Technical field
The present invention relates to steel wire properties the field of test technology, and in particular to a kind of profile wire bending of high stable anti-scratch
Performance test methods.
Background technique
Oil temper wire has round and special-shaped two kinds of shapes, has special want in hardened line for the debugging of profile wire
It asks, curvature is exactly one of those very important characteristic.If bending property is bad, will lead to profile wire can not be rolled up
There is the risk of fracture in use process in spring.How to guarantee that the bending property of same batch steel wire obtains qualification, realizes to it
It quickly and effectively tests, is current urgent problem to be solved.
Summary of the invention
The purpose of the present invention is overcome the problems, such as that existing steel wire bent performance test exists.High stable anti-scratch of the invention
The profile wire bending property test method of wound, observes direction of the profile wire in curving movement, and in fracture
Corresponding application external force value is recorded, to obtain profile wire bending property, whole operation is simple and reliable, and duplicate sample is real
It tests, accurate silk bending property value can be obtained, can guarantee the qualification rate of steel wire, reduce production cost, there is good answer
Use prospect.
In order to achieve the above object, the technical scheme adopted by the invention is that:
A kind of profile wire bending property test method of high stable anti-scratch, includes the following steps,
Step (A), chooses the sample of profile wire, and for length between 80cm-100cm, the surface of the sample is complete, and sample is more
Root；
Step (B) selects the specification of dead man according to the size of sample, and the crooked radian radius of the bend arm on the dead man is
R, bend arm degree socket place and dead man distance from bottom are h, and the installation aperture of dead man bottom is g, and the diameter of dead man is d；
The bend arm of dead man is in upright position, and the lower end of sample is fixed under dead man by jaw pincers by step (C)
End, sample upper end are connected with the bend arm open end of dead man；
Step (D) applies the angle of external force rotoflector arm, rotates bend arm with dead man axis average rate, when in rotary course,
Sample is along dead man spiral, and repetitive operation, until sample is broken, record applies the value of external force at this time；
Step (E) repeats step (B)-step (D), carries out bending property test to next sample, and record the root sample and exist
Corresponding application external force value when fracture is averaged to obtained all application external force values, is obtained until the completion of all test samples
To average application external force value.
A kind of profile wire bending property test method of high stable anti-scratch above-mentioned, the outer wall of the dead man are coated with
Rust preventive lubricating oil.
A kind of profile wire bending property test method of high stable anti-scratch above-mentioned, step (B), according to the ruler of sample
It is very little, the specification of dead man is selected, the crooked radian radius of the bend arm on the dead man is r, bend arm degree socket place and dead man bottom
Portion's distance is h, the diameter d of dead man, wherein r is that 1/4, h of sample length is that sample length is identical, and the diameter d of dead man is sample
The 1/10 of length.
A kind of profile wire bending property test method of high stable anti-scratch above-mentioned, the mounting hole of the dead man bottom
Diameter is the sample 2mm-4mm that g is less than profile wire.
A kind of profile wire bending property test method of high stable anti-scratch above-mentioned, the dead man are solid cast steel material
Material is made.
A kind of profile wire bending property test method of high stable anti-scratch above-mentioned, the bend arm are socketed in dead man
Top, and can using dead man as axis rotate, be provided with lubricant between the bend arm and dead man.
The beneficial effects of the present invention are: the profile wire bending property test method of high stable anti-scratch of the invention, right
Direction of the profile wire in curving movement is observed, and records corresponding application external force value in fracture, to obtain different
Shaped steel wire bending property, whole operation is simple and reliable, and duplicate sample experiment can obtain accurate silk bending property value, energy
The qualification rate for enough guaranteeing steel wire, reduces production cost, has a good application prospect.
Detailed description of the invention
Fig. 1 is the flow chart of the profile wire bending property test method of high stable anti-scratch of the invention.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, the profile wire bending property test method of high stable anti-scratch of the invention, including following step
Suddenly,
Step (A), chooses the sample of profile wire, and for length between 80cm-100cm, the surface of the sample is complete, and sample is more
Root；
Step (B) selects the specification of dead man according to the size of sample, and the crooked radian radius of the bend arm on the dead man is
R, bend arm degree socket place and dead man distance from bottom are h, and the installation aperture of dead man bottom is g, and the diameter of dead man is d；
The bend arm of dead man is in upright position, and the lower end of sample is fixed under dead man by jaw pincers by step (C)
End, sample upper end are connected with the bend arm open end of dead man；
Step (D) applies the angle of external force rotoflector arm, rotates bend arm with dead man axis average rate, when in rotary course,
Sample is along dead man spiral, and repetitive operation, until sample is broken, record applies the value of external force at this time；
Step (E) repeats step (B)-step (D), carries out bending property test to next sample, and record the root sample and exist
Corresponding application external force value when fracture is averaged to obtained all application external force values, is obtained until the completion of all test samples
To average application external force value.
Preferably, the outer wall of the dead man is coated with rust preventive lubricating oil, guarantees that sample when rotation winds dead man, drops
The interference of low-frictional force improves testing precision.
Preferably, step (B) selects the specification of dead man, the bending of the bend arm on the dead man according to the size of sample
Radius of the radian is r, and bend arm degree socket place and dead man distance from bottom are h, the diameter d of dead man, wherein r is the 1/ of sample length
4, h is identical for sample length, and the diameter d of dead man is the 1/10 of sample length.
Preferably, the installation aperture of the dead man bottom is the sample 2mm-4mm that g is less than profile wire, convenient for steel wire
It is fixed.
Preferably, the dead man is made of solid cast steel material, guarantees its fastness.
Preferably, the bend arm is socketed in the top of dead man, and can rotate by axis of dead man, the bend arm and dead man
Between be provided with lubricant, guarantee the Positive rotational of bend arm.
In conclusion the profile wire bending property test method of high stable anti-scratch of the invention, exists to profile wire
Direction when curving movement is observed, and records corresponding application external force value in fracture, to obtain profile wire bending
Performance, whole operation is simple and reliable, and duplicate sample experiment can obtain accurate silk bending property value, can guarantee steel wire
Qualification rate, reduce production cost, have a good application prospect.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of profile wire bending property test method of high stable anti-scratch, it is characterised in that: include the following steps,
Step (A), chooses the sample of profile wire, and for length between 80cm-100cm, the surface of the sample is complete, and sample is more
Root；
Step (B) selects the specification of dead man according to the size of sample, and the crooked radian radius of the bend arm on the dead man is
R, bend arm degree socket place and dead man distance from bottom are h, and the installation aperture of dead man bottom is g, and the diameter of dead man is d；
The bend arm of dead man is in upright position, and the lower end of sample is fixed under dead man by jaw pincers by step (C)
End, sample upper end are connected with the bend arm open end of dead man；
Step (D) applies the angle of external force rotoflector arm, rotates bend arm with dead man axis average rate, when in rotary course,
Sample is along dead man spiral, and repetitive operation, until sample is broken, record applies the value of external force at this time；
Step (E) repeats step (B)-step (D), carries out bending property test to next sample, and record the root sample and exist
Corresponding application external force value when fracture is averaged to obtained all application external force values, is obtained until the completion of all test samples
To average application external force value.
2. a kind of profile wire bending property test method of high stable anti-scratch according to claim 1, feature exist
In: the outer wall of the dead man is coated with rust preventive lubricating oil.
3. a kind of profile wire bending property test method of high stable anti-scratch according to claim 1, feature exist
In: step (B) selects the specification of dead man according to the size of sample, and the crooked radian radius of the bend arm on the dead man is r,
Bend arm degree socket place and dead man distance from bottom are h, the diameter d of dead man, wherein r is that 1/4, h of sample length is sample length
Identical, the diameter d of dead man is the 1/10 of sample length.
4. a kind of profile wire bending property test method of high stable anti-scratch according to claim 1, feature exist
In: the installation aperture of the dead man bottom is the sample 2mm-4mm that g is less than profile wire.
5. a kind of profile wire bending property test method of high stable anti-scratch according to claim 1, feature exist
In: the dead man is made of solid cast steel material.
6. a kind of profile wire bending property test method of high stable anti-scratch according to claim 1, feature exist
In: the bend arm is socketed in the top of dead man, and can rotate by axis of dead man, and profit is provided between the bend arm and dead man
Lubrication prescription.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585118.3A CN108982240A (en) | 2018-06-08 | 2018-06-08 | A kind of profile wire bending property test method of high stable anti-scratch |
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| CN201810585118.3A CN108982240A (en) | 2018-06-08 | 2018-06-08 | A kind of profile wire bending property test method of high stable anti-scratch |
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Citations (10)
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|---|---|---|---|---|
| US3625444A (en) * | 1970-01-28 | 1971-12-07 | Fouquet Werk Frauz & Plank Fa | Thread supply apparatus for textile machinery |
| DE3147163A1 (en) * | 1981-11-27 | 1983-06-09 | Vsesojuznyj naučno-issledovatel'skij institut trikotažnoj promyšlennosti, Moskva | Process and device for feeding yarn to the stitch forming system of a knitting machine |
| US20010049972A1 (en) * | 1998-11-10 | 2001-12-13 | Sentmanat Martin Lamar | Dual windup extensional rheometer |
| CN202522475U (en) * | 2011-12-16 | 2012-11-07 | 陕西飞机工业（集团）有限公司 | Steel wire rope breaking force test fixture |
| CN103176000A (en) * | 2013-04-01 | 2013-06-26 | 国家电网公司 | Telescopic high altitude test wire connector |
| CN104475484A (en) * | 2014-12-21 | 2015-04-01 | 重庆市安太弹簧有限责任公司 | Metal wire winding mechanism |
| CN205426657U (en) * | 2016-03-14 | 2016-08-03 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detects anchor clamps and testing machine |
| CN105858517A (en) * | 2016-06-17 | 2016-08-17 | 中国矿业大学 | Device and method for monitoring dynamic contact status between multi-layer winding steel wire rope and winding drum of extradeep well |
| CN206095817U (en) * | 2016-06-23 | 2017-04-12 | 上海天祥质量技术服务有限公司 | Audio frequency and video are transformer enameled wire bending strength testing arrangement for product |
| CN107436263A (en) * | 2017-08-18 | 2017-12-05 | 中机生产力促进中心 | A kind of spring steel wire torsional fatigue test method and its device |
-
2018
- 2018-06-08 CN CN201810585118.3A patent/CN108982240A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
| US3625444A (en) * | 1970-01-28 | 1971-12-07 | Fouquet Werk Frauz & Plank Fa | Thread supply apparatus for textile machinery |
| DE3147163A1 (en) * | 1981-11-27 | 1983-06-09 | Vsesojuznyj naučno-issledovatel'skij institut trikotažnoj promyšlennosti, Moskva | Process and device for feeding yarn to the stitch forming system of a knitting machine |
| US20010049972A1 (en) * | 1998-11-10 | 2001-12-13 | Sentmanat Martin Lamar | Dual windup extensional rheometer |
| CN202522475U (en) * | 2011-12-16 | 2012-11-07 | 陕西飞机工业（集团）有限公司 | Steel wire rope breaking force test fixture |
| CN103176000A (en) * | 2013-04-01 | 2013-06-26 | 国家电网公司 | Telescopic high altitude test wire connector |
| CN104475484A (en) * | 2014-12-21 | 2015-04-01 | 重庆市安太弹簧有限责任公司 | Metal wire winding mechanism |
| CN205426657U (en) * | 2016-03-14 | 2016-08-03 | 镇江市建科工程质量检测中心有限公司 | Safety rope breaking strength detects anchor clamps and testing machine |
| CN105858517A (en) * | 2016-06-17 | 2016-08-17 | 中国矿业大学 | Device and method for monitoring dynamic contact status between multi-layer winding steel wire rope and winding drum of extradeep well |
| CN206095817U (en) * | 2016-06-23 | 2017-04-12 | 上海天祥质量技术服务有限公司 | Audio frequency and video are transformer enameled wire bending strength testing arrangement for product |
| CN107436263A (en) * | 2017-08-18 | 2017-12-05 | 中机生产力促进中心 | A kind of spring steel wire torsional fatigue test method and its device |
Non-Patent Citations (1)
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| 衡俊华等: "《中华人民共和国国家标准 GB/T2976-2004/ISO7802:1983 金属材料 线材 缠绕试验方法》", 30 June 2004, 中国标准出版社 * |
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Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |