JPS582014B2 - Manufacturing method of clamp sleeve - Google Patents
Manufacturing method of clamp sleeveInfo
- Publication number
- JPS582014B2 JPS582014B2 JP2966978A JP2966978A JPS582014B2 JP S582014 B2 JPS582014 B2 JP S582014B2 JP 2966978 A JP2966978 A JP 2966978A JP 2966978 A JP2966978 A JP 2966978A JP S582014 B2 JPS582014 B2 JP S582014B2
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- manufacturing
- clamping
- clamp sleeve
- electric resistance
- 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.)
- Expired
Links
Landscapes
- Heat Treatment Of Articles (AREA)
Description
【発明の詳細な説明】
本発明はクランプ用スリーブの製造方法に関するもので
、特にワイヤロープの端部を輪状にしてその端末をクラ
ンプするのに使用するクランプ用スリーブがきわめて安
価に得られる製造方法を提供せんとするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a clamping sleeve, and in particular, a method for manufacturing a clamping sleeve used for looping the end of a wire rope and clamping the end at an extremely low cost. We aim to provide the following.
この種のスリーブにはクランプ時に高い強靭性が要求さ
れるため、アルミニウム、ステンレスチール或いは鈍鉄
に近い低炭素鋼等の引抜管（シームレス管）が使用され
ているが、総体に価格が高く、またアルミ管の場合には
腐触する欠点があつた。This type of sleeve requires high toughness when clamping, so drawn pipes (seamless pipes) made of aluminum, stainless steel, or low carbon steel similar to blunt iron are used, but they are generally expensive and Additionally, aluminum pipes have the disadvantage of corrosion.
本発明者は上記のような各種引抜管（シームレス管）に
比べて加工コストは勿論材料コストの面でも安価な鋼製
の電縫管を使用することに着目し、該電縫管を球状化焼
鈍してスリーブ素材とすることにより存来の各種シーム
レス管で作ったものと全く遜色のないすぐれた強靭性を
有するクランプ用スリーブを得たものである。The present inventor focused on using a steel ERW tube, which is cheaper in terms of processing cost as well as material cost than the various types of drawn tubes (seamless tubes) mentioned above, and made the ERW tube into a spherical shape. By annealing the material into a sleeve material, a sleeve for clamping is obtained which has excellent toughness comparable to those made from various existing seamless pipes.
即ち本発明は、鋼製の電縫管を冷間引抜して所定の外径
及び内径寸法に仕上げたのち球状化焼鈍を行ない、該管
素材を適宜の長さに切断すると共に面取りその他必要な
加工或いは処理を行なうことを特徴とするクランプ用ス
リーブの製造方法である。That is, in the present invention, a steel electric resistance welded pipe is cold-drawn to have a predetermined outer diameter and inner diameter, and then subjected to spheroidizing annealing, and the pipe material is cut to an appropriate length and chamfered and other necessary steps are performed. This is a method of manufacturing a clamping sleeve, which is characterized by performing processing or treatment.
次に本発明の実施態様を図面に基づいて説明する。Next, embodiments of the present invention will be described based on the drawings.
１はスリーブ素材となる鋼製の電縫管であって、帯鋼を
数組の成形ロールに通して円筒形に成し、締付ロールに
よって継目２に圧力を加えながら電気抵抗溶接を行なっ
たものである。1 is an electric resistance welded pipe made of steel that is used as a sleeve material, and the steel strip is passed through several sets of forming rolls to form a cylindrical shape, and electric resistance welding is performed while applying pressure to the seam 2 with a tightening roll. It is something.
この電縫管１を２工程ないし３工程の冷間引抜加工によ
り所定の外径及び内径寸法に仕上げたのち、７２０度の
温度で役４時間の連続球状化焼鈍を行なう。After this electric resistance welded tube 1 is finished to predetermined outer and inner diameter dimensions by two or three steps of cold drawing, continuous spheroidizing annealing is performed at a temperature of 720 degrees Celsius for 4 hours.
この球状化焼鈍により金属結晶中のカーボン粒子が細か
い球状に変化し、その結果高い強靭性が備わる。This spheroidizing annealing changes the carbon particles in the metal crystal into fine spherical shapes, resulting in high toughness.
上記のように球状化焼鈍された電縫管１を第２図のよう
に所定長さに切断してスリーブ素材３となし、このスリ
ーブ素材３を第３図に示すように断面楕円形にプレス加
工したり、第４図に示すようにスリーブ素材３の一端を
先細りにプレス成形加工し、且つ必要により面取り加工
してクランプ用スリーブ３１又は３２とする。The ERW tube 1, which has been annealed to form a spheroid as described above, is cut into a predetermined length as shown in Fig. 2 to obtain a sleeve material 3, and this sleeve material 3 is pressed into an oval cross-section as shown in Fig. 3. As shown in FIG. 4, one end of the sleeve material 3 is press-formed into a tapered shape, and if necessary, chamfered to form a clamping sleeve 31 or 32.
特に第４図に示すように先細に成形加工したスリーブ３
２の場合には成形加工後に応力除化焼鈍を行なう。In particular, the sleeve 3 is formed into a tapered shape as shown in FIG.
In case 2, stress relief annealing is performed after forming.
上述のように、本発明方法ではクランプ用スリーブの素
材として鋼製の電縫管を用いるから、在来の引抜管（シ
ームレス管）で作られたものに比ベて製造コストが著し
く低減できると共に、球状化焼鈍を施すことにより高い
強靭性が得られ、全体としてすぐれた強度特性を具備し
たクランプ用スリーブを低コストで製造でき、安価に提
供できるという実用上顕著な効果がある。As mentioned above, since the method of the present invention uses a steel electrical resistance welded tube as the material for the clamping sleeve, manufacturing costs can be significantly reduced compared to those made from conventional drawn tubes (seamless tubes). By performing spheroidizing annealing, high toughness can be obtained, and a clamping sleeve having excellent overall strength characteristics can be manufactured at low cost and can be provided at low cost, which is a significant practical effect.
第１図は本発明の製造方法において素材として用いる電
縫管の斜視図、第２図は同スリーブ素材の正面図、第３
図及び第４図はそれぞれ完成されたクランプ用スリーブ
の正面図と側面図、第５図は同使用状態を示す斜視図で
ある。
１・・・・・・電縫管、２・・・・・・継目、３・・・
・・・スリーブ素材、３１，３２・・・・・・クランプ
用スリーブ。Fig. 1 is a perspective view of an electric resistance welded tube used as a material in the manufacturing method of the present invention, Fig. 2 is a front view of the same sleeve material, and Fig.
FIG. 4 is a front view and a side view of the completed clamping sleeve, respectively, and FIG. 5 is a perspective view showing the same in use. 1...Erw tube, 2...Seam, 3...
... Sleeve material, 31, 32 ... Sleeve for clamp.
Claims (1)
法に仕上げたのち球状化焼鈍を行ない、該管素材を適宜
の長さに切断すると共に面取りその他必要な加工或いは
処理を行なうことを特徴とするクランプ用スリーブの製
造方法。1 After cold-drawing a steel electric resistance welded pipe to the specified outer and inner diameter dimensions, spheroidizing annealing is performed, and the pipe material is cut to an appropriate length and subjected to chamfering and other necessary processing. A method for manufacturing a clamping sleeve, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2966978A JPS582014B2 (en) | 1978-03-14 | 1978-03-14 | Manufacturing method of clamp sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2966978A JPS582014B2 (en) | 1978-03-14 | 1978-03-14 | Manufacturing method of clamp sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54121359A JPS54121359A (en) | 1979-09-20 |
| JPS582014B2 true JPS582014B2 (en) | 1983-01-13 |
Family
ID=12282510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2966978A Expired JPS582014B2 (en) | 1978-03-14 | 1978-03-14 | Manufacturing method of clamp sleeve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582014B2 (en) |
-
1978
- 1978-03-14 JP JP2966978A patent/JPS582014B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54121359A (en) | 1979-09-20 |
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