JP2002361348A - Manufacturing method for catapillar strip link - Google Patents

Manufacturing method for catapillar strip link

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Publication number
JP2002361348A
JP2002361348A JP2001175399A JP2001175399A JP2002361348A JP 2002361348 A JP2002361348 A JP 2002361348A JP 2001175399 A JP2001175399 A JP 2001175399A JP 2001175399 A JP2001175399 A JP 2001175399A JP 2002361348 A JP2002361348 A JP 2002361348A
Authority
JP
Japan
Prior art keywords
link
steel
manufacturing
carbon
tempering
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.)
Pending
Application number
JP2001175399A
Other languages
Japanese (ja)
Inventor
Yasukatsu Niitsu
坦克 新津
Makoto Takagi
誠 高木
Hiroyuki Takeno
裕之 竹野
Kiyokazu Niwa
清和 丹羽
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.)
Topy Industries Ltd
Original Assignee
Topy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Topy Industries Ltd filed Critical Topy Industries Ltd
Priority to JP2001175399A priority Critical patent/JP2002361348A/en
Publication of JP2002361348A publication Critical patent/JP2002361348A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing method for a catapillar strip link capable of simplifying the manufacturing process and working, and capable of lightening a link product. SOLUTION: The manufacturing method for the catapillar strip link comprises a process, wherein by bend forming a flat steel bar 2 by a press, or rolling a shape steel 3 having a bent cross section, a continuous link material 4, which continues in the direction of material feeding and has a size capable of conducting double piece incorporation of the links in the direction orthogonal to the direction of the material feeding, is manufactured, a process, wherein on each link forming part of the continuous link material 4, a window of the link, a pin hole and a bush hole are formed and worked, then each link forming part is worked by press punching and trimming to manufacture an individual link material 5, and a process, wherein the individual material 5 is heat treated to manufacture the link product 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、無限軌道帯用リン
ク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 manufacturing a link for an endless track belt.

【0002】[0002]

【従来の技術】従来、無限軌道帯用リンクは、図4に示
すように、製造されている。図4では、工程201で丸
棒11をリンク素材長さに切断し、工程202で切断し
た丸棒を加熱し、工程203で加熱した丸棒をつぶし、
荒打ちし、仕上げ打ちして鍛造を施し、ついでプレス打
抜きし、ばりをトリミングする。ついで、工程204で
素材の全体焼入れし、焼もどしを施す。ついで工程20
5でローラ踏み面などを端面加工し、工程206でロー
ラ踏み面11fに誘導加熱焼入れ・焼もどし(Inductio
n Quenching and Tempering )を施す。ついで、工程2
07でブッシュ穴11a、ピン穴11b、カウンタ穴1
1cを機械加工し、工程208でシュー穴11dを機械
加工し、工程209で座11eを機械加工して、製品
(リンク11)とする。
2. Description of the Related Art Conventionally, links for endless tracks have been manufactured as shown in FIG. In FIG. 4, the round bar 11 is cut into link material lengths in step 201, the round bar cut in step 202 is heated, and the round bar heated in step 203 is crushed,
Roughing, finishing and forging are performed, followed by press punching and trimming of the burrs. Next, in step 204, the entire material is quenched and tempered. Then step 20
In step 206, the roller tread surface is processed into an end surface, and in step 206, the roller tread surface 11f is subjected to induction heating quenching and tempering (Inductio).
n Quenching and Tempering). Then, step 2
07, bush hole 11a, pin hole 11b, counter hole 1
1c is machined, the shoe hole 11d is machined in step 208, and the seat 11e is machined in step 209 to obtain a product (link 11).

【0003】[0003]

【発明が解決しようとする課題】しかし、従来のリンク
の製造方法には、鍛造工程があるので、製造に時間がか
かる、リンクのサイズが大となる、材料費がかさむ、重
くなる、コストアップとなる、鍛造型が必要となって設
備費がかさむ、形状出しに時間がかかる、工程および加
工が複雑となる、等の問題があった。本発明の目的は、
製造工程および加工を簡素化できリンク製品を軽量化で
きる無限軌道帯用リンクの製造方法を提供することにあ
る。
However, the conventional method of manufacturing a link involves a forging step, which takes a long time to manufacture, increases the size of the link, increases the material cost, increases the weight, and increases the cost. In addition, there is a problem that a forging die is required, equipment cost is increased, time is required for forming a shape, and steps and processing are complicated. The purpose of the present invention is
An object of the present invention is to provide a method for manufacturing a link for an endless track belt, which can simplify a manufacturing process and processing and can reduce a weight of a link product.

【0004】[0004]

【課題を解決するための手段】上記目的を達成する本発
明はつぎの方法からなる。 (1) 平鋼をプレスにより曲げ成形するか、または、
屈曲断面をもつ形鋼を圧延するかにより、素材送り方向
には連続し素材送り方向と直交する方向にはリンクを2
個取りできる寸法をもつ連続リンク素材を製造し、前記
連続リンク素材の各リンク取り部分にリンクの窓、ピン
穴、ブッシュ穴を成形加工するとともに、各リンク取り
部分をプレス打抜き・トリミングして個別リンク素材を
製造し、前記個別リンク素材に熱処理を施してリンク製
品を製造する、工程からなる無限軌道帯用リンクの製造
方法。 (2) 前記熱処理では、リンク素材材料が低炭素鋼も
しくは低炭素合金鋼の場合は焼入れのみの焼もどし無し
の熱処理を行い、リンク素材材料が中炭素鋼もしくは中
炭素合金鋼または高炭素鋼もしくは高炭素合金鋼の場合
は焼入れ・焼もどしの熱処理を行う、(1)記載の無限
軌道帯用リンクの製造方法。 (3) 前記熱処理後に、リンク素材材料が低炭素鋼も
しくは低炭素合金鋼の場合はローラ踏み面の誘導加熱焼
入れ・焼もどしを行わず、リンク素材材料が中炭素鋼も
しくは中炭素合金鋼または高炭素鋼もしくは高炭素合金
鋼の場合はローラ踏み面にさらに誘導加熱焼入れ・焼も
どしを行う、請求項1記載の無限軌道帯用リンクの製造
方法。 (4) 前記個別リンク素材に、前記熱処理後に、シュ
ー穴を機械加工する、請求項1記載の無限軌道帯用リン
クの製造方法。
The present invention for achieving the above object comprises the following method. (1) Bending flat steel by pressing, or
Depending on whether or not a section steel with a bent cross section is rolled, two links are connected in the direction that is continuous with the material
Manufacture a continuous link material with dimensions that can be taken individually, form and process link windows, pin holes, and bush holes in each link portion of the continuous link material, and press-punch and trim each link portion to individually A method of manufacturing a link for an endless track belt, comprising the steps of manufacturing a link material and heat-treating the individual link material to manufacture a link product. (2) In the heat treatment, when the link material is a low-carbon steel or a low-carbon alloy steel, heat treatment is performed only by quenching without tempering, and the link material is a medium-carbon steel, a medium-carbon alloy steel, a high-carbon steel, (1) The method for manufacturing a link for an endless track belt according to (1), wherein a heat treatment of quenching and tempering is performed in the case of a high carbon alloy steel. (3) After the heat treatment, if the link material is low carbon steel or low carbon alloy steel, induction heating quenching and tempering of the roller tread surface is not performed, and the link material is medium carbon steel, medium carbon alloy steel, or high carbon steel. The method for manufacturing a link for an endless track belt according to claim 1, wherein in the case of carbon steel or high carbon alloy steel, the roller tread surface is further subjected to induction heating quenching and tempering. (4) The method according to claim 1, wherein a shoe hole is machined on the individual link material after the heat treatment.

【0005】上記(1)の無限軌道帯用リンクの製造方
法では、平鋼の曲げ成形または圧延形鋼からなる連続リ
ンク素材から個別リンク素材をプレス打ち抜きするよう
にしたので、従来の鍛造工程による個別リンク素材の製
造工程を除去できる。これによって、製造工程および加
工を簡素化でき、リンク製品を軽量化でき、リンクの製
造コストの低減が可能となる。上記(2)の無限軌道帯
用リンクの製造方法では、リンク素材材料が低炭素鋼も
しくは低炭素合金鋼の場合は焼入れのみの焼もどし無し
の熱処理を行うので、リンク素材材料が低炭素鋼もしく
は低炭素合金鋼の場合焼もどし工程を省略でき、熱処理
工程を簡素化できる。上記(3)の無限軌道帯用リンク
の製造方法では、リンク素材材料が低炭素鋼もしくは低
炭素合金鋼の場合はローラ踏み面の誘導加熱焼入れ・焼
もどしを行わないので、製造工程を簡素化できる。ま
た、リンク素材材料が中炭素鋼もしくは中炭素合金鋼ま
たは高炭素鋼もしくは高炭素合金鋼の場合はローラ踏み
面にさらに誘導加熱焼入れ・焼もどしを行うので、ロー
ラ踏み面の耐摩耗性、強度を上げることができる。上記
(4)の無限軌道帯用リンクの製造方法では、シュー穴
は機械加工としたので、加工方向がピン穴、ブッシュ穴
の成形方向と直交する方向であるにかかわらず、容易に
加工できる。
In the method (1) for manufacturing a link for an endless track belt, an individual link material is press-punched from a continuous link material made of flat steel by bending or rolling, so that a conventional forging process is used. The manufacturing process of the individual link material can be eliminated. As a result, the manufacturing process and processing can be simplified, the link product can be reduced in weight, and the link manufacturing cost can be reduced. In the method of manufacturing the link for the endless track belt of the above (2), when the link material is a low-carbon steel or a low-carbon alloy steel, the heat treatment is performed only by quenching without tempering. In the case of low carbon alloy steel, the tempering step can be omitted, and the heat treatment step can be simplified. In the method of manufacturing the link for the endless track belt of the above (3), when the link material is low-carbon steel or low-carbon alloy steel, induction heating quenching and tempering of the roller tread surface are not performed, so that the manufacturing process is simplified. it can. If the link material is medium-carbon steel, medium-carbon alloy steel, high-carbon steel, or high-carbon alloy steel, the roller tread is further subjected to induction heating quenching and tempering, so that the abrasion resistance and strength of the roller tread are Can be raised. In the method of manufacturing the link for the endless track belt of the above (4), since the shoe hole is machined, it can be easily machined regardless of the processing direction being a direction orthogonal to the forming direction of the pin hole and the bush hole.

【0006】[0006]

【発明の実施の形態】本発明実施例の無限軌道帯用リン
クの製造方法を図1〜図3を参照して説明する。本発明
実施例の無限軌道帯用リンクの製造方法は、図1に示す
ように、平鋼2をプレスにより曲げ成形するか、また
は、屈曲断面をもつ形鋼3を圧延するかにより、素材送
り方向には連続し素材送り方向と直交する方向にはリン
ク1を2個取りできる寸法をもつ連続リンク素材4を製
造する工程101と、連続リンク素材4の各リンク取り
部分にリンク1の窓1d、ブッシュ穴1a、ピン穴1
b、カウンタ穴1cを成形加工するとともに、各リンク
取り部分をプレス打抜き・トリミングして個別リンク素
材5を製造する工程102と、個別リンク素材に熱処理
を施してリンク1を製造する工程103と、からなる。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for manufacturing a link for a track belt according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the method for manufacturing the link for the endless track belt according to the embodiment of the present invention is to feed a material by bending a flat steel 2 by pressing or rolling a shaped steel 3 having a bent cross section. A step 101 of manufacturing a continuous link material 4 which is continuous in the direction and has a dimension capable of taking two links 1 in a direction orthogonal to the material feed direction; , Bush hole 1a, pin hole 1
b, a step 102 of forming the counter hole 1c and press-punching and trimming each linking portion to produce the individual link material 5; a step 103 of subjecting the individual link material to heat treatment to produce the link 1; Consists of

【0007】連続リンク素材4の左右の屈曲断面は、リ
ンクの屈曲形状に対応している。連続リンク素材4は、
素材送り方向に延びる中心線を中心にして左右対称であ
り、平鋼の場合の曲げ成形時、および平鋼の場合および
形鋼の場合の穴成形加工時および個別リンク素材への打
ち抜き時に、素材にかかる荷重をリンク素材の左右で相
殺して素材がずれないようにしてある。
The left and right bent cross sections of the continuous link material 4 correspond to the bent shape of the link. The continuous link material 4
It is symmetrical with respect to the center line extending in the material feed direction.The material is used for bending in the case of flat steel, hole forming in the case of flat steel and shaped steel, and punching into individual link materials. The load applied to the left and right sides of the link material is offset so that the material does not shift.

【0008】連続リンク素材4のリンク1の窓1d、ブ
ッシュ穴1a、ピン穴1b、カウンタ穴1cの加工は、
成形加工によるが、機械加工を併用するか、あるいは機
械加工によってもよい。窓1d、ブッシュ穴1a、ピン
穴1b、カウンタ穴1cの加工順序は任意である。各リ
ンク取り部分を(外形の)プレス打抜き・トリミングす
る場合、打ち抜きとトリミングは同時に行ってもよい
し、打ち抜き後トリミングしてもよい。
The processing of the window 1d, the bush hole 1a, the pin hole 1b, and the counter hole 1c of the link 1 of the continuous link material 4 is as follows.
Depending on the forming process, machining may be used in combination or by machining. The processing order of the window 1d, the bush hole 1a, the pin hole 1b, and the counter hole 1c is arbitrary. When punching and trimming (outer shape) each linking portion, punching and trimming may be performed simultaneously, or trimming may be performed after punching.

【0009】熱処理工程103では、リンク素材材料が
低炭素鋼もしくは低炭素合金鋼の場合は焼入れのみの焼
もどし無しの熱処理を行い、リンク素材材料が中炭素鋼
もしくは中炭素合金鋼または高炭素鋼もしくは高炭素合
金鋼の場合は焼入れ・焼もどしの熱処理を行う。ここ
で、低炭素鋼とは炭素含有量が0.30%以下の炭素鋼
をいい、中炭素鋼とは炭素含有量が0.30%を越え
0.50%以下の炭素鋼をいい、高炭素鋼とは炭素含有
量が0.50%を越える炭素鋼をいう。また、低炭素合
金鋼、中炭素合金鋼、高炭素合金鋼とは、低炭素鋼、中
炭素鋼、高炭素鋼のそれぞれに、必要に応じて合金元素
を添加したものをいう。リンク素材材料が低炭素鋼もし
くは低炭素合金鋼の場合に焼入れのみの焼もどし無しの
熱処理を行うと、リンク素材の硬さはHRC47程度と
なる。リンク素材材料が中炭素鋼もしくは中炭素合金鋼
または高炭素鋼もしくは高炭素合金鋼の場合に焼入れ・
焼もどしの熱処理を行うと、焼入れ後で硬さがHRCで
55程度となり、焼もどし後で硬さがHRCで35程度
となる。
In the heat treatment step 103, when the link material is a low-carbon steel or a low-carbon alloy steel, a heat treatment of only quenching without tempering is performed, and the link material is a medium-carbon steel or a medium-carbon alloy steel or a high-carbon steel. Alternatively, in the case of high carbon alloy steel, quenching and tempering heat treatment is performed. Here, low carbon steel refers to carbon steel having a carbon content of 0.30% or less, and medium carbon steel refers to carbon steel having a carbon content of more than 0.30% and 0.50% or less. Carbon steel refers to carbon steel having a carbon content of more than 0.50%. The low-carbon alloy steel, medium-carbon alloy steel, and high-carbon alloy steel refer to low-carbon steel, medium-carbon steel, and high-carbon steel to which alloy elements are added as necessary. If the link material is a low-carbon steel or a low-carbon alloy steel and a heat treatment of only quenching without tempering is performed, the hardness of the link material becomes about HRC47. When the link material is medium carbon steel or medium carbon alloy steel or high carbon steel or high carbon alloy steel,
When the tempering heat treatment is performed, the hardness after quenching is about 55 in HRC, and the hardness after tempering is about 35 in HRC.

【0010】本発明実施例の無限軌道帯用リンクの製造
方法は、熱処理工程103後に、リンク素材材料が中炭
素鋼もしくは中炭素合金鋼または高炭素鋼もしくは高炭
素合金鋼からなる場合、局部的に、ローラ踏み面1fに
さらに誘導加熱焼入れ・焼もどしを行う工程104を有
する。リンク素材材料が低炭素鋼もしくは低炭素合金鋼
からなる場合、ローラ踏み面1fの誘導加熱焼入れ・焼
もどしは省略される。
The method of manufacturing the link for the endless track belt according to the embodiment of the present invention can be applied to a case where the link material is made of medium carbon steel or medium carbon alloy steel or high carbon steel or high carbon alloy steel after the heat treatment step 103. And a step 104 of further performing induction heating quenching and tempering on the roller tread surface 1f. When the link material is made of low-carbon steel or low-carbon alloy steel, induction heating quenching / tempering of the roller tread surface 1f is omitted.

【0011】リンク素材材料が低炭素鋼もしくは低炭素
合金鋼からなる場合、ローラ踏み面1fの誘導加熱焼入
れ・焼もどしは省略されるので、リンク1の硬さはロー
ラ踏み面1fを含んで全体がHRC47程度が維持され
る。リンク素材材料が中炭素鋼もしくは中炭素合金鋼ま
たは高炭素鋼もしくは高炭素合金鋼からなる場合、局部
的に、ローラ踏み面1fにさらに誘導加熱焼入れ・焼も
どしを行う工程104を施すので、ローラ踏み面1fは
誘導加熱焼入れ後に硬さがHRC57程度となり、誘導
加熱焼入れ後の焼もどしでHRC52程度となる。した
がって、誘導加熱焼入れ・焼もどし後のリンク1の硬さ
は、ローラ踏み面1fでHRC52程度となり、ローラ
踏み面1f以外でHRC35程度となる。また、本発明
実施例の無限軌道帯用リンクの製造方法は、個別リンク
素材5に、熱処理後に、シュー穴1eを機械加工する工
程105を有していてもよい。
When the link material is made of low-carbon steel or low-carbon alloy steel, the induction heating quenching and tempering of the roller tread surface 1f is omitted, so that the hardness of the link 1 including the roller tread surface 1f is reduced. Is maintained at about HRC47. When the link material is made of medium carbon steel or medium carbon alloy steel or high carbon steel or high carbon alloy steel, the step 104 of locally performing induction heating quenching and tempering is further applied to the roller tread surface 1f. The hardness of the tread surface 1f is about HRC57 after induction heating and quenching, and is about HRC52 after tempering after induction heating and quenching. Therefore, the hardness of the link 1 after the induction heating quenching and tempering is about HRC52 on the roller tread surface 1f, and is about HRC35 on the portions other than the roller tread surface 1f. Further, the method of manufacturing a link for the endless track belt according to the embodiment of the present invention may include a step 105 of machining the shoe hole 1e in the individual link material 5 after the heat treatment.

【0012】つぎに、本発明実施例の無限軌道帯用リン
クの製造方法の作用を説明する。まず、平鋼の曲げ成形
または圧延形鋼からなる連続リンク素材4から個別リン
ク素材5をプレス打ち抜きするようにしたので、従来の
鍛造工程による個別リンク素材の製造工程を除去でき
る。これによって、リンクの形状出しを鍛造によって行
う必要がなくなり、製造工程および加工を簡素化でき
る。また、リンク1の厚さをリンク全域かほぼ全域にわ
たって必要最小限とすることができ、無駄な肉を無くす
ことができ、リンク1を軽量化できる。また、リンク素
材の使用量削減と製造工程、加工の簡素化により、リン
クの製造コストの低減が可能となる。
Next, the operation of the method for manufacturing the link for the endless track according to the embodiment of the present invention will be described. First, since the individual link material 5 is stamped out from the continuous link material 4 made of flat steel by bending or rolling, the manufacturing process of the individual link material by the conventional forging process can be eliminated. Thus, it is not necessary to form the link by forging, and the manufacturing process and processing can be simplified. Further, the thickness of the link 1 can be minimized over the entire area or almost the entire area of the link 1, unnecessary waste can be eliminated, and the weight of the link 1 can be reduced. Further, by reducing the amount of link material used and simplifying the manufacturing process and processing, the link manufacturing cost can be reduced.

【0013】また、リンク素材材料が低炭素鋼もしくは
低炭素合金鋼の場合は焼入れのみの焼もどし無しの熱処
理を行うので、リンク素材材料が低炭素鋼もしくは低炭
素合金鋼の場合焼もどし工程を省略でき、熱処理工程を
簡素化できる。低炭素鋼もしくは低炭素合金鋼の場合
は、焼もどしを省略しても、焼入れ・焼もどしを行った
場合と同等の硬さ(HRC47程度)、強度を得ること
ができる。材料が低炭素鋼もしくは低炭素合金鋼からな
る場合は、ローラ踏み面1fに誘導加熱焼入れ・焼もど
しを行わなくても、行った場合と同等の硬さ、強度が得
られるので、ローラ踏み面1fの誘導加熱焼入れ・焼も
どしは行わない。リンク素材材料が中炭素鋼もしくは中
炭素合金鋼、高炭素鋼もしくは高炭素合金鋼の場合は、
焼入れ・焼もどしを行う。この焼もどしにより硬さがH
RC35程度に低下し、ローラ踏み面の硬さが不足する
ため、材料が中炭素鋼もしくは中炭素合金鋼、高炭素鋼
もしくは高炭素合金鋼からなる場合は、ローラ踏み面1
fの誘導加熱焼入れ・焼もどしを行う。これによって、
ローラ踏み面1fの硬さをHRC52程度に上げること
ができ、耐摩耗性、強度を上げることができる。また、
シュー穴は機械加工とすると、加工方向がピン穴、ブッ
シュ穴の成形方向と直交する方向であるにかかわらず、
容易に加工できる。
When the link material is low-carbon steel or low-carbon alloy steel, heat treatment is performed only by quenching without tempering. Therefore, when the link material is low-carbon steel or low-carbon alloy steel, the tempering process is performed. It can be omitted and the heat treatment process can be simplified. In the case of low-carbon steel or low-carbon alloy steel, even if tempering is omitted, the same hardness (about HRC 47) and strength as in the case of quenching and tempering can be obtained. When the material is made of low-carbon steel or low-carbon alloy steel, the same hardness and strength can be obtained without performing induction heating quenching and tempering on the roller tread surface 1f. No induction heating quenching / tempering of 1f is performed. If the link material is medium carbon steel or medium carbon alloy steel, high carbon steel or high carbon alloy steel,
Perform quenching and tempering. The hardness is H by this tempering
When the material is made of medium carbon steel or medium carbon alloy steel, high carbon steel or high carbon alloy steel, the roller tread surface 1
Perform induction heating quenching and tempering of f. by this,
The hardness of the roller tread surface 1f can be increased to about HRC52, and the wear resistance and strength can be increased. Also,
If the shoe hole is machined, regardless of whether the processing direction is orthogonal to the forming direction of the pin hole or bush hole,
Can be easily processed.

【0014】[0014]

【発明の効果】請求項1の無限軌道帯用リンクの製造方
法によれば、平鋼の曲げ成形または圧延形鋼からなる連
続リンク素材から個別リンク素材を打ち抜くようにした
ので、従来の鍛造工程による個別リンク素材の製造工程
を除去できる。これによって、製造工程および加工を簡
素化でき、リンク製品を軽量化でき、リンクの製造コス
トの低減が可能となる。請求項2の無限軌道帯用リンク
の製造方法によれば、リンク素材材料が低炭素鋼もしく
は低炭素合金鋼の場合は焼入れのみの焼もどし無しの熱
処理を行うので、リンク素材材料が低炭素鋼もしくは低
炭素合金鋼の場合焼もどし工程を省略でき、熱処理工程
を簡素化できる。請求項3の無限軌道帯用リンクの製造
方法によれば、リンク素材材料が低炭素鋼もしくは低炭
素合金鋼の場合はローラ踏み面の誘導加熱焼入れ・焼も
どしを行わないので、製造工程を簡素化できる。また、
リンク素材材料が中炭素鋼もしくは中炭素合金鋼または
高炭素鋼もしくは高炭素合金鋼の場合はローラ踏み面に
さらに誘導加熱焼入れ・焼もどしを行うので、ローラ踏
み面の耐摩耗性、強度を上げることができる。請求項4
の無限軌道帯用リンクの製造方法によれば、シュー穴は
機械加工としたので、加工方向がピン穴、ブッシュ穴の
成形方向と直交する方向であるにかかわらず、容易に加
工できる。
According to the method of manufacturing a link for an endless track according to the first aspect, the individual link material is punched from a continuous link material made of flat steel by bending or rolled section steel. Can eliminate the manufacturing process of the individual link material. As a result, the manufacturing process and processing can be simplified, the link product can be reduced in weight, and the link manufacturing cost can be reduced. According to the method of manufacturing a link for an endless track belt according to claim 2, when the link material is a low-carbon steel or a low-carbon alloy steel, heat treatment is performed only by quenching without tempering. Alternatively, in the case of low carbon alloy steel, the tempering step can be omitted, and the heat treatment step can be simplified. According to the method of manufacturing the link for the endless track belt according to the third aspect, when the link material is low carbon steel or low carbon alloy steel, induction heating quenching and tempering of the roller tread surface are not performed, so that the manufacturing process is simplified. Can be Also,
When the link material is medium-carbon steel, medium-carbon alloy steel, high-carbon steel, or high-carbon alloy steel, the roller tread is further subjected to induction heating quenching and tempering, so that the abrasion resistance and strength of the roller tread are increased. be able to. Claim 4
According to the method of manufacturing a link for an endless track belt, since the shoe hole is machined, it can be easily machined irrespective of whether the machining direction is orthogonal to the forming direction of the pin hole and the bush hole.

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

【図1】本発明実施例の無限軌道帯用リンクの製造方法
の工程図である。
FIG. 1 is a process chart of a method for manufacturing a link for a crawler belt according to an embodiment of the present invention.

【図2】本発明実施例の無限軌道帯用リンクの製造方法
の材料が平鋼の場合の曲げ、成形、打抜き・トリミング
工程を示す斜視図である。
FIG. 2 is a perspective view showing a bending, forming, punching, and trimming process when the material of the method for manufacturing a link for an endless track belt according to the embodiment of the present invention is flat steel.

【図3】本発明実施例の無限軌道帯用リンクの製造方法
の材料が形鋼の場合のリンクの斜視図である。
FIG. 3 is a perspective view of a link in a case where a material of a method for manufacturing a link for a crawler belt according to an embodiment of the present invention is a shaped steel.

【図4】従来の無限軌道帯用リンクの製造方法の工程図
である。
FIG. 4 is a process chart of a conventional method for manufacturing a link for a continuous track belt.

【符号の説明】[Explanation of symbols]

1 リンク 1a ブッシュ穴 1b ピン穴 1c カウンタ穴 1d 窓 1e シュー穴 1f ローラ踏み面 1 Link 1a Bush hole 1b Pin hole 1c Counter hole 1d Window 1e Shoe hole 1f Roller tread surface

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C21D 9/00 C21D 9/00 E // B21L 9/02 B21L 9/02 (72)発明者 竹野 裕之 東京都千代田区四番町5番地9 トピー工 業株式会社内 (72)発明者 丹羽 清和 東京都千代田区四番町5番地9 トピー工 業株式会社内 Fターム(参考) 4K042 AA25 BA13 DA01 DA02 DB01 DB07 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) C21D 9/00 C21D 9/00 E // B21L 9/02 B21L 9/02 (72) Inventor Hiroyuki Takeno Tokyo 5-9, Yonbancho, Chiyoda-ku, Tokyo Topy Industry Co., Ltd. (72) Inventor Seiwa Niwa 5-9, Yonbancho, Chiyoda-ku, Tokyo Topy Industry Co., Ltd. F-term (reference) 4K042 AA25 BA13 DA01 DA02 DB01 DB07

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 平鋼をプレスにより曲げ成形するか、ま
たは、屈曲断面をもつ形鋼を圧延するかにより、素材送
り方向には連続し素材送り方向と直交する方向にはリン
クを2個取りできる寸法をもつ連続リンク素材を製造
し、 前記連続リンク素材の各リンク取り部分にリンクの窓、
ピン穴、ブッシュ穴を成形加工するとともに、各リンク
取り部分をプレス打抜き・トリミングして個別リンク素
材を製造し、 前記個別リンク素材に熱処理を施してリンク製品を製造
する、工程からなる無限軌道帯用リンクの製造方法。
1. According to whether flat steel is bent by a press or a shaped steel having a bent cross section is rolled, two links are formed continuously in the material feeding direction and in the direction orthogonal to the material feeding direction. Manufacturing a continuous link material having a dimension capable of being formed, a link window at each linking portion of the continuous link material,
An endless track belt comprising a step of forming a pin hole and a bush hole, manufacturing an individual link material by press punching and trimming each linking portion, and heat-treating the individual link material to manufacture a link product. Method of manufacturing links for
【請求項2】 前記熱処理では、リンク素材材料が低炭
素鋼もしくは低炭素合金鋼の場合は焼入れのみの焼もど
し無しの熱処理を行い、リンク素材材料が中炭素鋼もし
くは中炭素合金鋼または高炭素鋼もしくは高炭素合金鋼
の場合は焼入れ・焼もどしの熱処理を行う、請求項1記
載の無限軌道帯用リンクの製造方法。
2. In the heat treatment, when the link material is a low-carbon steel or a low-carbon alloy steel, the heat treatment is performed only by quenching without tempering, and the link material is a medium-carbon steel, a medium-carbon alloy steel, or a high-carbon steel. The method for manufacturing a link for an endless track belt according to claim 1, wherein heat treatment such as quenching and tempering is performed in the case of steel or high carbon alloy steel.
【請求項3】 前記熱処理後に、リンク素材材料が低炭
素鋼もしくは低炭素合金鋼の場合はローラ踏み面の誘導
加熱焼入れ・焼もどしを行わず、リンク素材材料が中炭
素鋼もしくは中炭素合金鋼または高炭素鋼もしくは高炭
素合金鋼の場合はローラ踏み面にさらに誘導加熱焼入れ
・焼もどしを行う、請求項1記載の無限軌道帯用リンク
の製造方法。
3. After the heat treatment, when the link material is low carbon steel or low carbon alloy steel, induction heating quenching and tempering of the tread surface of the roller is not performed, and the link material is medium carbon steel or medium carbon alloy steel. The method according to claim 1, wherein, in the case of high carbon steel or high carbon alloy steel, the roller tread surface is further subjected to induction heating quenching and tempering.
【請求項4】 前記個別リンク素材に、前記熱処理後
に、シュー穴を機械加工する、請求項1記載の無限軌道
帯用リンクの製造方法。
4. The method according to claim 1, wherein a shoe hole is machined in the individual link material after the heat treatment.
JP2001175399A 2001-06-11 2001-06-11 Manufacturing method for catapillar strip link Pending JP2002361348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001175399A JP2002361348A (en) 2001-06-11 2001-06-11 Manufacturing method for catapillar strip link

Publications (1)

Publication Number Publication Date
JP2002361348A true JP2002361348A (en) 2002-12-17

Family

ID=19016545

Family Applications (1)

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

Country Link
JP (1) JP2002361348A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1024957C2 (en) * 2003-12-05 2005-06-07 Bosch Gmbh Robert Fine stamping device.
JP2010137240A (en) * 2008-12-09 2010-06-24 Toyota Motor Corp Method and device for forming element for transmission belt
CN103372629A (en) * 2012-04-28 2013-10-30 岳盟企业股份有限公司 Manufacturing method of chain parts
CN103952525A (en) * 2014-04-18 2014-07-30 湖北三江航天江北机械工程有限公司 Method for processing spring steel arch belt
KR101534135B1 (en) * 2013-10-02 2015-07-07 백승조 A Manufacturing Method of a Link
CN105903779A (en) * 2016-05-23 2016-08-31 安徽佳乐窗业科技有限公司 Steel belt compression molding process for theftproof window

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1024957C2 (en) * 2003-12-05 2005-06-07 Bosch Gmbh Robert Fine stamping device.
WO2005054709A1 (en) * 2003-12-05 2005-06-16 Robert Bosch Gmbh Fine-blanking device
JP2010137240A (en) * 2008-12-09 2010-06-24 Toyota Motor Corp Method and device for forming element for transmission belt
CN103372629A (en) * 2012-04-28 2013-10-30 岳盟企业股份有限公司 Manufacturing method of chain parts
KR101534135B1 (en) * 2013-10-02 2015-07-07 백승조 A Manufacturing Method of a Link
CN103952525A (en) * 2014-04-18 2014-07-30 湖北三江航天江北机械工程有限公司 Method for processing spring steel arch belt
CN105903779A (en) * 2016-05-23 2016-08-31 安徽佳乐窗业科技有限公司 Steel belt compression molding process for theftproof window
CN105903779B (en) * 2016-05-23 2018-01-12 安徽佳乐窗业科技有限公司 A kind of compressing technique of burglary-resisting window steel band

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