JPH06106236A - Method for evaluating surface properties of wire rod and production of wire rod excellent in wire-drawability - Google Patents

Method for evaluating surface properties of wire rod and production of wire rod excellent in wire-drawability

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Publication number
JPH06106236A
JPH06106236A JP25844992A JP25844992A JPH06106236A JP H06106236 A JPH06106236 A JP H06106236A JP 25844992 A JP25844992 A JP 25844992A JP 25844992 A JP25844992 A JP 25844992A JP H06106236 A JPH06106236 A JP H06106236A
Authority
JP
Japan
Prior art keywords
surface roughness
wire
dimensional
wire rod
dimensional surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP25844992A
Other languages
Japanese (ja)
Other versions
JP3022938B2 (en
Inventor
Masataka Inoue
雅隆 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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Filing date
Publication date
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP4258449A priority Critical patent/JP3022938B2/en
Publication of JPH06106236A publication Critical patent/JPH06106236A/en
Application granted granted Critical
Publication of JP3022938B2 publication Critical patent/JP3022938B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To secure evaluation to adhesion of scale by using a three-dimensional surface roughness sensor or a two-dimensional surface roughness sensor in the evaluation of adhesion of scale given when the surface of a wire rod is descaled with a mechanical descaler. CONSTITUTION:The adhesion of scale when the surface of the wire rod 1 is descaled with the mechanical descaler is evaluated. The surface properties in the longitudinal direction of the surface of the wire rod are measured with the three-dimensional surface roughness sensor over a specified length. The three-dimensional surface roughness is required from a roughness curve obtained when a cutoff value is given by 0.8mm and when this three-dimensional surface roughness is given by <=0.6mum, the adhesion of scale is decided to be favorable. In this way, the adhesion of scale of the descaled wire rod is evaluated securely, further, when the surface roughness of the roll adjusted by the information of the three-dimensional surface roughness sensor is transferred on the surface of the wire rod, the wire rod excellent in wire-drawability is produced.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、タイヤコードなどに用
いられる線材の表面性状の評価方法および伸線性の良好
な線材の製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for evaluating the surface properties of a wire used for a tire cord and the like and a method for producing a wire having good drawability.

【0002】[0002]

【従来の技術】たとえばタイヤコードなどに用いられる
線材は、伸線処理の1次,2次加工などを行う際には、
リバースベンディング法やショットブラスト法,エアブ
ラスト法などのメカニカルデスケーリングを用いて機械
的な脱スケール処理が施されるのが一般的である。
2. Description of the Related Art For example, wire rods used for tire cords are subject to
Mechanical descaling is generally performed using mechanical descaling such as reverse bending, shot blasting, and air blasting.

【0003】このように脱スケールされた線材の円周方
向の表面粗さ(Ra )を測定するには、たとえば2次元
円周粗度センサが用いられている。すなわち、図2に示
すように、線材1の面に2次元円周粗度計2の触針2a
を接触させて、線材1を回転させながらその円周方向の
凹凸レベルを測定する。そこで、この測定によって図3
(a) のように得られた断面曲線Aから所定の波長より長
い表面うねり成分をカットオフして、図3(b) のような
粗さ曲線Bと図3(c) のようなろ波うねり曲線Cに分離
する。そして、その粗さ曲線Bから所定の測定長さLに
おける中心線平均粗さRa を、またろ波うねり曲線Cか
らろ波中心線うねりWCAをそれぞれ求めることによっ
て、表面粗さを評価するのである。
A two-dimensional circumferential roughness sensor, for example, is used to measure the circumferential surface roughness (Ra) of the descaled wire rod. That is, as shown in FIG. 2, the stylus 2a of the two-dimensional circumferential roughness meter 2 on the surface of the wire 1.
And the wire rod 1 is rotated, and the unevenness level in the circumferential direction is measured. Therefore, this measurement
The surface waviness component longer than a predetermined wavelength is cut off from the cross-section curve A obtained as shown in (a), and the roughness curve B as shown in Fig. 3 (b) and the filtered waviness as shown in Fig. 3 (c). Separate into curve C. Then, the surface roughness is evaluated by obtaining the centerline average roughness Ra at the predetermined measurement length L from the roughness curve B and the filtered centerline waviness W CA from the filtered waviness curve C, respectively. is there.

【0004】なお、上記したカットオフ値としては、J
IS B0601-1982 の規定には、原則として0.08mm, 0.
25mm, 0.8 mm, 2.5 mm, 8mm,25mmの6種類と定められ
ており、また中心線平均粗さRa の範囲が12.5μm 以下
の場合は0.8mm を、また12.5μm を超え100 μm 以下の
場合は2.5 mmを標準とするとされている。
As the above-mentioned cutoff value, J
In principle, IS B0601-1982 specifies 0.08 mm, 0.
There are 6 types, 25 mm, 0.8 mm, 2.5 mm, 8 mm, and 25 mm, and the center line average roughness Ra is 0.8 mm when the range is 12.5 μm or less, and when it is more than 12.5 μm and 100 μm or less. Is said to be 2.5 mm as standard.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、上記し
たような2次元円周粗度計を用いて線材表面性状を評価
する場合は、測定対象である線材の形状は通常オーバル
状であって真円でないことから、形状誤差などの影響を
考慮して測定条件のうちカットオフ値を0.08mmに設定し
て行うケースが多いため、このカットオフ値より大きい
波長域の凹凸レベルは評価することができないという問
題があった。
However, in the case of evaluating the surface properties of a wire using the two-dimensional circumferential roughness meter as described above, the wire to be measured usually has an oval shape and is a perfect circle. Since the cutoff value is set to 0.08 mm among the measurement conditions in consideration of the influence of shape error, it is not possible to evaluate the unevenness level in the wavelength range larger than this cutoff value. There was a problem.

【0006】このようなことから、現状においては脱ス
ケールされた線材のスケールはく離性に対する線材表面
性状の評価方法を確立することができず、そのため、線
材の品質の一つとして要求されるメカニカルデスケーリ
ング性などの伸線性を的確に評価することができないか
ら、線材の製造工程に適切なアクションを取ることがで
きなかったのである。
Therefore, at present, it is not possible to establish a method for evaluating the surface properties of a descaled wire on the scale flaking property, and therefore, the mechanical quality required as one of the quality of the wire is required. Since it is not possible to accurately evaluate the drawability such as the scaling property, it is not possible to take appropriate action in the wire manufacturing process.

【0007】本発明は、上記のような課題を解決すべく
してなされたものであって、線材表面性状の評価方法お
よび伸線性の良好な線材の製造方法を提供することを目
的とする。
The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a method for evaluating the surface properties of a wire and a method for manufacturing a wire having good wire drawability.

【0008】[0008]

【課題を解決するための手段】本発明の第1の態様は、
メカニカルデスケーラを用いて線材表面を脱スケールす
る際のスケールはく離性を評価する方法であって、3次
元表面粗度センサを用いて前記線材表面の長手方向の表
面性状を所定の長さにわたって測定し、カットオフ値が
0.8 mmのときの粗さ曲線から3次元表面粗さを求め、こ
の3次元表面粗さが0.6 μm 以下であるときにスケール
はく離性が良好であると判定することを特徴とする線材
表面性状の評価方法である。
The first aspect of the present invention is as follows.
A method for evaluating scale peelability when descaling the surface of a wire using a mechanical descaler, which measures the surface texture in the longitudinal direction of the surface of the wire over a predetermined length using a three-dimensional surface roughness sensor. And the cutoff value is
The three-dimensional surface roughness is obtained from the roughness curve at 0.8 mm, and when the three-dimensional surface roughness is 0.6 μm or less, it is judged that the scale peelability is good. This is an evaluation method.

【0009】なお、3次元表面粗度センサまたは2次元
表面粗度センサを用いて、512 μm以下のパワースペク
トル波長域で前記線材表面の長手方向の2次元平均振幅
スペクトル分布を所定の長さにわたって測定し、そのパ
ワースペクトル和が0.5 μm2以下であるときにスケール
はく離性が良好であると判定することができる。また、
本発明の第2の態様は、線材表面をメカニカルデスケー
ラを用いて脱スケールする際に、3次元表面粗度センサ
を用いてカットオフ値が0.8 mmのときの前記線材表面の
3次元表面粗さを測定する工程と、前記3次元表面粗さ
を0.6 μm 以下になるように圧延ロールの表面粗度を調
整する工程と、からなることを特徴とする伸線性の良好
な線材の製造方法である。
By using a three-dimensional surface roughness sensor or a two-dimensional surface roughness sensor, a two-dimensional average amplitude spectrum distribution in the longitudinal direction of the surface of the wire is spread over a predetermined length in a power spectrum wavelength range of 512 μm or less. It can be determined that the scale peelability is good when the power spectrum sum is measured and is 0.5 μm 2 or less. Also,
A second aspect of the present invention is, when descaling the surface of a wire using a mechanical descaler, using a three-dimensional surface roughness sensor, the three-dimensional surface roughness of the surface of the wire when the cutoff value is 0.8 mm. And a step of adjusting the surface roughness of the rolling roll so that the three-dimensional surface roughness becomes 0.6 μm or less, the method for producing a wire rod having good wire drawability. is there.

【0010】なお、3次元表面粗度センサまたは2次元
表面粗度センサを用いてパワースペクトル波長域が512
μm のときの2次元平均振幅スペクトル分布を測定する
工程と、前記2次元平均振幅スペクトル分布のパワース
ペクトル和が0.5 μm2以下になるように圧延ロールの表
面粗度を調整する工程とを組み合わせるようにしてもよ
い。
A three-dimensional surface roughness sensor or a two-dimensional surface roughness sensor is used to obtain a power spectrum wavelength range of 512
Combine the step of measuring the two-dimensional average amplitude spectrum distribution at μm and the step of adjusting the surface roughness of the rolling roll so that the power spectrum sum of the two-dimensional average amplitude spectrum distribution becomes 0.5 μm 2 or less. You may

【0011】[0011]

【作 用】以下に、本発明の実験例について説明する。
被測定材として用いた線材は、規格がSWRH72A相当
材で外径5.5 mmφのもので、目視によるスケールはく離
性が良好と評価された9ロット(以下、良好材という)
と不良と評価された5ロット(以下、不良材という)の
計14ロットについて、表面粗さの測定実験を行った。 〔実験例1〕 まず、従来の2次元円周粗度センサを用
いて、線材の2次元円周表面粗さRa を測定した。この
ときの2次元円周粗度センサに設定したカットオフ値
は、0.08mm, 0.25mm, 0.8 mmの3レベルとした。その結
果を図4に示した。この図からわかるように、いずれの
カットオフ値においてもスケールはく離性の良好材のR
a 値と不良材のRa 値との間に差異が明確ではない。
[Operation] An experimental example of the present invention will be described below.
The wire rod used as the material to be measured was a SWRH72A equivalent standard material with an outer diameter of 5.5 mmφ, and 9 lots were evaluated to have good visual scale peelability (hereinafter referred to as good material).
The surface roughness measurement experiment was carried out for a total of 14 lots of 5 lots (hereinafter referred to as defective materials) evaluated to be defective. [Experimental Example 1] First, using a conventional two-dimensional circumferential roughness sensor, the two-dimensional circumferential surface roughness Ra of the wire was measured. The cutoff values set in the two-dimensional circumferential roughness sensor at this time were three levels of 0.08 mm, 0.25 mm, and 0.8 mm. The results are shown in Fig. 4. As can be seen from this figure, the R of the material with good scale peelability at any cutoff value
The difference between the a value and the Ra value of the defective material is not clear.

【0012】したがって、2次元円周粗度センサを用い
ては、スケールはく離性の良否を判定することができな
いのである。なお、この図で、カットオフ値が0.8 mmの
場合のRa 値が0.08mmおよび0.25mmの場合の値に比して
異常に高い値を示しているが、これは線材が真円でなく
オーバル状であるという形状誤差の影響が大きく出たた
めである。 〔実験例2〕 3次元表面粗度センサを用いて、図5に
示すように、線材の天地部位,対角部位,オーバル部位
における長手方向の3次元表面粗さSRa を測定した。
このときの3次元表面粗度センサに設定したカットオフ
値は、実験例1と同様に0.08mm, 0.25mm, 0.8 mmの3レ
ベルとした。その結果を図6に示した。また、そのスケ
ールはく離性の不良材SRa 値と良好材SRa 値との差
を表1に示した。
Therefore, it is impossible to judge the quality of the scale peelability by using the two-dimensional circumferential roughness sensor. In addition, in this figure, the Ra value when the cutoff value is 0.8 mm is abnormally higher than the values when it is 0.08 mm and 0.25 mm. This is because the influence of the shape error that the shape is large appears. [Experimental Example 2] A three-dimensional surface roughness sensor was used to measure the three-dimensional surface roughness SRa in the longitudinal direction at the vertical portion, diagonal portion, and oval portion of the wire as shown in FIG.
The cutoff values set in the three-dimensional surface roughness sensor at this time were three levels of 0.08 mm, 0.25 mm, and 0.8 mm, as in Experimental Example 1. The results are shown in Fig. 6. In addition, Table 1 shows the difference between the SRa value of the poor scale peelability material and the SRa value of the good material.

【0013】[0013]

【表1】 [Table 1]

【0014】この結果から、カットオフ値が0.08mmでは
良・不良の差異は見られなかったが、0.25mmおよび0.8
mmのカットオフ値の場合は不良材のSRa 値が良好材の
SRa 値に比べて大きく、とくにカットオフ値0.8 mmの
場合は顕著である。また、この表1から明らかなよう
に、SRa 値差はオーバル部位に比べて天地部位,対角
部位で著しいことがわかる。したがって、スケールはく
離性不良材は、良好材に比して表面粗さが粗いことが明
らかである。
From these results, no difference between good and bad was found at a cutoff value of 0.08 mm, but 0.25 mm and 0.8
In the case of the cutoff value of mm, the SRa value of the defective material is larger than that of the good material, and it is particularly remarkable when the cutoff value is 0.8 mm. Further, as is clear from Table 1, the SRa value difference is more remarkable in the vertical and diagonal parts than in the oval part. Therefore, it is clear that the poor scale peelability material has a rougher surface roughness than the good material.

【0015】これによって、3次元表面粗度センサを用
いてスケールはく離性の良否を判定しようとする場合
は、カットオフ値を0.8 mmに設定するのが望ましく、ま
たそのとき線材の天地部位で測定するときは長手方向の
SRa 値が0.6 μm 以下、対角部位の場合は長手方向の
SRa 値が0.5 μm 以下であればよいことがわかる。 〔実験例3〕 さらに、3次元表面粗度センサ用いて、
線材の長手方向の2次元平均振幅スペクトル分布の測定
を行った。そのときの各線材表面の特定波長域パワース
ペクトル和(以下、PS和という)について、波長が51
2 〜100 μm の範囲の場合を図7(a) に、100 〜4.9 μ
m の範囲の場合を図7(b) にそれぞれ示した。
Accordingly, when it is desired to determine the quality of the scale peelability using the three-dimensional surface roughness sensor, it is desirable to set the cutoff value to 0.8 mm, and at that time, the cut-off value is measured at the top and bottom parts of the wire. It can be seen that the SRa value in the longitudinal direction should be 0.6 μm or less in the case of doing, and the SRa value in the longitudinal direction should be 0.5 μm or less in the case of the diagonal portion. [Experimental Example 3] Furthermore, using a three-dimensional surface roughness sensor,
The two-dimensional average amplitude spectrum distribution in the longitudinal direction of the wire was measured. At that time, regarding the power spectrum sum (hereinafter referred to as PS sum) of the specific wavelength region on the surface of each wire, the wavelength is 51
Fig. 7 (a) shows the case of the range of 2 to 100 μm.
The cases in the range of m are shown in Fig. 7 (b).

【0016】図7(a) から明らかなように、パワースペ
クトル波長域が512 〜100 μm の場合のPS和は、いず
れの位置でも不良材の方が高く、両者のPS和の差は天
地部位,対角部位で顕著である。また、図7(b) の波長
域が100 〜4.9 μm の場合は、やはり512 〜100 μm の
波長域の場合と同じ傾向であるが、両者のPS和の差は
やや小さい。この測定結果から、この実験例3は前記し
た実験例2におけるカットオフ値によるSRa 値差の妥
当性を裏付けていることがわかる。これによって、3次
元表面粗度センサを用いてスケールはく離性の良否を判
定しようとする場合は、パワースペクトル波長域を512
μm 以下とし、かつPS和を0.5 μm2以下とすればほぼ
確実に行うことができる。
As is clear from FIG. 7 (a), the PS sum in the case where the power spectrum wavelength range is 512 to 100 μm is higher in the defective material at any position, and the difference between the PS sums of both is higher than that of the vertical position. , It is remarkable in the diagonal part. Further, when the wavelength range of FIG. 7 (b) is 100 to 4.9 μm, the tendency is the same as that of the wavelength range of 512 to 100 μm, but the difference in PS sum between the two is slightly small. From this measurement result, it is understood that Experimental Example 3 supports the validity of the SRa value difference due to the cutoff value in Experimental Example 2 described above. As a result, when the quality of scale peeling is to be determined using a three-dimensional surface roughness sensor, the power spectrum wavelength range is set to 512.
If the sum is set to be less than μm and the PS sum is set to be less than 0.5 μm 2 , it can be performed almost certainly.

【0017】上記の実験例1,2,3をまとめると、以
下の通りである。 線材のスケールはく離性の良否を判定するには、3
次元表面粗度センサを用いて、カットオフ値を0.8 mmと
して天地部位における長手方向の3次元表面粗さSRa
を0.6 μm 以下に設定すればよいこと。 また、3次元表面粗度センサを用いて、512 μm 以
下のパワースペクトル波長域で長さ方向のPS和を0.5
μm2に設定すればよいこと。 そこで、線材の脱スケール時において、3次元表面
粗度センサを用いて0.8mmのカットオフ値における長手
方向のSRa 値を0.6 μm 以下とするか、または512 μ
m 以下のパワースペクトル波長域におけるPS和を0.5
μm2以下になるように制御することにより、伸線性すな
わちメカニカルデスケーリング性の良好な線材を得るこ
とが可能であること。
The above Experimental Examples 1, 2, and 3 are summarized as follows. To judge whether the scale peelability of the wire is good or bad, 3
Using a three-dimensional surface roughness sensor, the cut-off value is set to 0.8 mm, and the three-dimensional surface roughness SRa in the longitudinal direction at the top and bottom is measured.
Should be set to 0.6 μm or less. Also, using a three-dimensional surface roughness sensor, the PS sum in the length direction is 0.5 in the power spectrum wavelength range of 512 μm or less.
It should be set to μm 2 . Therefore, when the wire rod is descaled, the SRa value in the longitudinal direction at a cutoff value of 0.8 mm is set to 0.6 μm or less by using a three-dimensional surface roughness sensor, or 512 μm.
PS sum in the power spectrum wavelength range below m is 0.5
It should be possible to obtain a wire with good wire drawability, that is, mechanical descaling, by controlling the wire diameter to be less than μm 2 .

【0018】なお、上記した3次元表面粗度センサの代
わりに、所定領域内で複数本の走査ができる2次元表面
粗度センサを用いても同様の作用効果を得ることができ
る。
The same effect can be obtained by using a two-dimensional surface roughness sensor capable of scanning a plurality of lines within a predetermined area, instead of the above-mentioned three-dimensional surface roughness sensor.

【0019】[0019]

【実施例】以下に、本発明の実施例について説明する。
被測定材として、規格がSWRH72A相当材で外径5.5
mmφの線材を伸線工程において予め脱スケールする際
に、図1に示すように、3次元表面粗度センサ3を用い
てメカニカルデスケーラ5で脱スケールされた線材1の
長さ方向の2次元平均振幅スペクトル分布を測定した。
このとき、3次元表面粗度センサ3の波長域は512 μm
〜100 μm とした。そして、データ処理装置4におい
て、線材1の長さ方向の512 μm 以下の波長域における
天地部位のPS和を演算させた。
EXAMPLES Examples of the present invention will be described below.
As the material to be measured, the standard is equivalent to SWRH72A and the outer diameter is 5.5.
When descaling a wire rod of mmφ in advance in the drawing process, as shown in FIG. 1, the two-dimensional lengthwise direction of the wire rod 1 descaled by the mechanical descaler 5 using the three-dimensional surface roughness sensor 3 is used. The average amplitude spectral distribution was measured.
At this time, the wavelength range of the three-dimensional surface roughness sensor 3 is 512 μm
It was set to -100 μm. Then, in the data processing device 4, the PS sum of the top and bottom parts in the wavelength region of 512 μm or less in the length direction of the wire 1 was calculated.

【0020】そして、得られた天地部位のPS和が目標
値の0.5 μm2以下になるように、仕上圧延機の最終段の
圧延ロール(図示せず)の表面を電解研磨および砥石で
調整し、その圧延ロールを用いて次の同一ロッドの線材
に転写しながら圧延した。そのときのPS和の演算結果
と、その後に目視でスケールはく離性を判定した結果を
表2に示した。この表2において、○印はスケールはく
離性良好、×印はスケールはく離性不良を示す。
Then, the surface of the rolling roll (not shown) at the final stage of the finishing rolling mill is adjusted by electrolytic polishing and a grindstone so that the obtained PS sum of the top and bottom parts is less than the target value of 0.5 μm 2. Then, using the rolling roll, rolling was performed while transferring to the next wire rod of the same rod. Table 2 shows the calculation result of the PS sum at that time and the result of visually determining the scale peelability thereafter. In Table 2, ◯ indicates good scale peelability, and x indicates poor scale peelability.

【0021】[0021]

【表2】 [Table 2]

【0022】この表2から明らかなように、PS和が0.
5 μm2以下の線材はスケールはく離性がよいことがわか
る。
As is clear from Table 2, the PS sum is 0.
It can be seen that the wire rod of 5 μm 2 or less has good scale peeling property.

【0023】[0023]

【発明の効果】以上説明したように、本発明の第1の態
様によれば、3次元表面粗度センサあるいは2次元表面
粗度センサを用いることにより、脱スケールされた線材
のスケールはく離性を正確に評価することができる。ま
た、本発明の第2の態様によれば、3次元表面粗度セン
サあるいは2次元表面粗度センサの情報を用いて、圧延
ロールの表面粗度を調整して線材表面に転写することに
より、伸線性の良好な線材を製造することが可能であ
る。
As described above, according to the first aspect of the present invention, by using the three-dimensional surface roughness sensor or the two-dimensional surface roughness sensor, the scale peelability of the descaled wire rod can be improved. Can be evaluated accurately. Further, according to the second aspect of the present invention, by using the information of the three-dimensional surface roughness sensor or the two-dimensional surface roughness sensor, the surface roughness of the rolling roll is adjusted and transferred to the wire surface, It is possible to manufacture a wire rod having a good wire drawability.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す概要図である。FIG. 1 is a schematic diagram showing an embodiment of the present invention.

【図2】2次元円周粗度センサによる線材表面の粗さ測
定の従来例を示す側面図である。
FIG. 2 is a side view showing a conventional example of surface roughness measurement of a wire rod by a two-dimensional circumferential roughness sensor.

【図3】断面曲線から表面粗さと表面うねりを検出する
説明図である。
FIG. 3 is an explanatory diagram for detecting surface roughness and surface waviness from a sectional curve.

【図4】2次元円周粗度センサによる2次元円周表面粗
さの測定例を示す特性図である。
FIG. 4 is a characteristic diagram showing an example of measurement of two-dimensional circumferential surface roughness by a two-dimensional circumferential roughness sensor.

【図5】3次元表面粗度センサを用いたときの線材の測
定部位を示す正面図である。
FIG. 5 is a front view showing a measurement site of a wire rod when a three-dimensional surface roughness sensor is used.

【図6】3次元表面粗度センサによる3次元表面粗さの
測定例を示す特性図である。
FIG. 6 is a characteristic diagram showing an example of measurement of three-dimensional surface roughness by a three-dimensional surface roughness sensor.

【図7】(a) ,(b) は3次元表面粗度センサによるPS
和の測定例を示す特性図である。
7 (a) and (b) are PS by a three-dimensional surface roughness sensor.
It is a characteristic view showing a measurement example of the sum.

【符号の説明】[Explanation of symbols]

1 線材 2 2次元円周粗度センサ 3 3次元表面粗度センサ 4 データ処理装置 5 メカニカルデスケーラ 1 wire rod 2 2 dimensional circumferential roughness sensor 3 3 dimensional surface roughness sensor 4 data processor 5 mechanical descaler

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 メカニカルデスケーラを用いて線材表
面を脱スケールする際のスケールはく離性を評価する方
法であって、3次元表面粗度センサを用いて前記線材表
面の長手方向の表面性状を所定の長さにわたって測定
し、カットオフ値が0.8 mmのときの粗さ曲線から3次元
表面粗さを求め、この3次元表面粗さが0.6 μm 以下で
あるときにスケールはく離性が良好であると判定するこ
とを特徴とする線材表面性状の評価方法。
1. A method for evaluating the scale peeling property when descaling the surface of a wire using a mechanical descaler, wherein a surface texture in the longitudinal direction of the wire is predetermined using a three-dimensional surface roughness sensor. 3D surface roughness was obtained from the roughness curve when the cutoff value was 0.8 mm, and the scale peelability was good when this 3D surface roughness was 0.6 μm or less. A method for evaluating the surface properties of a wire, which comprises determining.
【請求項2】 3次元表面粗度センサまたは2次元表
面粗度センサを用いて、512 μm 以下のパワースペクト
ル波長域で前記線材表面の長手方向の2次元平均振幅ス
ペクトル分布を所定の長さにわたって測定し、そのパワ
ースペクトル和が0.5 μm2以下であるときにスケールは
く離性が良好であると判定することを特徴とする請求項
1記載の線材表面性状の評価方法。
2. A three-dimensional surface roughness sensor or a two-dimensional surface roughness sensor is used to obtain a two-dimensional average amplitude spectrum distribution in the longitudinal direction of the wire surface over a predetermined length in a power spectrum wavelength range of 512 μm or less. The method for evaluating the surface properties of a wire according to claim 1, characterized in that the scale peelability is determined to be good when the sum of the power spectra is 0.5 μm 2 or less.
【請求項3】 線材表面をメカニカルデスケーラを用
いて脱スケールする際に、3次元表面粗度センサを用い
てカットオフ値が0.8 mmのときの前記線材表面の3次元
表面粗さを測定する工程と、前記3次元表面粗さを0.6
μm 以下になるように圧延ロールの表面粗度を調整する
工程と、からなることを特徴とする伸線性の良好な線材
の製造方法。
3. When descaling the surface of a wire using a mechanical descaler, a three-dimensional surface roughness sensor is used to measure the three-dimensional surface roughness of the surface of the wire when the cutoff value is 0.8 mm. Process and the three-dimensional surface roughness of 0.6
A method for producing a wire rod having good wire drawability, which comprises the step of adjusting the surface roughness of the rolling roll so as to be not more than μm.
【請求項4】 3次元表面粗度センサまたは2次元表
面粗度センサを用いてパワースペクトル波長域が512 μ
m のときの2次元平均振幅スペクトル分布を測定する工
程と、前記2次元平均振幅スペクトル分布のパワースペ
クトル和が0.5 μm2以下になるように圧延ロールの表面
粗度を調整する工程とを組み合わせたことを特徴とする
請求項3記載の伸線性の良好な線材の製造方法。
4. A power spectrum wavelength range of 512 μ is obtained by using a three-dimensional surface roughness sensor or a two-dimensional surface roughness sensor.
The step of measuring the two-dimensional average amplitude spectrum distribution at m was combined with the step of adjusting the surface roughness of the rolling roll such that the power spectrum sum of the two-dimensional average amplitude spectrum distribution was 0.5 μm 2 or less. The method for producing a wire rod having good wire drawability according to claim 3.
JP4258449A 1992-09-28 1992-09-28 Method for evaluating wire surface properties and method for producing wire with good drawability Expired - Fee Related JP3022938B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4258449A JP3022938B2 (en) 1992-09-28 1992-09-28 Method for evaluating wire surface properties and method for producing wire with good drawability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4258449A JP3022938B2 (en) 1992-09-28 1992-09-28 Method for evaluating wire surface properties and method for producing wire with good drawability

Publications (2)

Publication Number Publication Date
JPH06106236A true JPH06106236A (en) 1994-04-19
JP3022938B2 JP3022938B2 (en) 2000-03-21

Family

ID=17320369

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP3022938B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225380A (en) * 2006-02-22 2007-09-06 Mitsutoyo Corp Surface characteristics measuring apparatus, shape analysis program, and recording medium
CN114019131A (en) * 2021-11-05 2022-02-08 苏州思萃熔接技术研究所有限公司 Judgment method for evaluating influence of wire rod surface roughness on welding wire surface quality

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225380A (en) * 2006-02-22 2007-09-06 Mitsutoyo Corp Surface characteristics measuring apparatus, shape analysis program, and recording medium
CN114019131A (en) * 2021-11-05 2022-02-08 苏州思萃熔接技术研究所有限公司 Judgment method for evaluating influence of wire rod surface roughness on welding wire surface quality
CN114019131B (en) * 2021-11-05 2024-04-02 苏州思萃熔接技术研究所有限公司 Judgment method for evaluating influence of wire rod surface roughness on welding wire surface quality

Also Published As

Publication number Publication date
JP3022938B2 (en) 2000-03-21

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