JPH06297055A - Production of press die - Google Patents

Production of press die

Info

Publication number
JPH06297055A
JPH06297055A JP9005893A JP9005893A JPH06297055A JP H06297055 A JPH06297055 A JP H06297055A JP 9005893 A JP9005893 A JP 9005893A JP 9005893 A JP9005893 A JP 9005893A JP H06297055 A JPH06297055 A JP H06297055A
Authority
JP
Japan
Prior art keywords
die
build
edge portion
groove
welding
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
JP9005893A
Other languages
Japanese (ja)
Inventor
Keizo Tanaka
敬三 田中
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.)
Honda Motor Co Ltd
HTK Engineering Co Ltd
Original Assignee
Honda Motor Co Ltd
Honda Engineering Co 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 Honda Motor Co Ltd, Honda Engineering Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP9005893A priority Critical patent/JPH06297055A/en
Publication of JPH06297055A publication Critical patent/JPH06297055A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Punching Or Piercing (AREA)

Abstract

PURPOSE:To simplify the production process of a die, to easily work building-up by welding and to improve the production efficiency of the die. CONSTITUTION:A press die having an edge part 2 formed of another highly hard material different from a raw material of the die 3 is produced. A groove 4 is formed on a part of the die raw material 3 to be made to the edge part of the die, and the building-up material of a subzero hardening die material, etc., is built-up by welding on the groove 4. The die raw material 3 including the built-up part 5 is machined to a required die shape. Then the hardness of the edge part 2 is increased over the required hardness by processing a suitable hardening treatment.

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、ワーク加工用のエッジ
部を有するプレス金型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 press die having an edge portion for working a work.

【0002】[0002]

【従来の技術】プレス金型の内、例えば板状ワークを所
定形状にトリミング加工するトリミング金型の場合に
は、金型のエッジ部がトリミング刃になる。このトリミ
ング刃は、耐久性等の要請から該金型の他の部分より硬
度が高くなければならない。そこで、金型素材を正規の
金型形状に機械加工した後、そのエッジ部を面取し、こ
の面取り部に肉盛り用溶接材料を溶接肉盛りし、その後
該肉盛り部をトリミング刃形状に機械加工し、次いで所
定の硬化処理を施して、エッジ部の硬度を所定の硬度以
上に増加させてトリミング刃を形成する方法が行われて
いる。
2. Description of the Related Art In a press die, for example, in the case of a trimming die for trimming a plate-shaped work into a predetermined shape, the edge portion of the die serves as a trimming blade. This trimming blade must have higher hardness than the other parts of the mold in order to meet the requirements of durability and the like. Therefore, after machining the mold material into a regular mold shape, the edge is chamfered, the welding material for build-up is welded to the chamfered part, and then the build-up part is made into a trimming blade shape. A method of forming a trimming blade by machining and then subjecting it to a predetermined hardening treatment to increase the hardness of the edge portion to a predetermined hardness or higher is used.

【0003】[0003]

【発明が解決しようとする課題】上記プレス金型の製造
方法では、金型素材のエッジ部に溶接肉盛りする関係で
溶接時に肉盛り材料が垂れ落ち易く溶接作業が難しくな
り、更に、金型素材の機械加工とエッジ部の機械加工と
を別々に行う必要があり、製造工程が多く作業が面倒に
なる。
In the method of manufacturing a press die described above, the build-up material is liable to drop during welding due to the weld build-up on the edge portion of the die material, and the welding operation becomes difficult. It is necessary to separately perform the machining of the material and the machining of the edge portion, and there are many manufacturing processes, which makes the work troublesome.

【0004】本発明は、以上の点に鑑み、溶接作業の容
易化や金型の製造工程の簡略化を図れるようにしたプレ
ス金型の製造方法を提供することを目的とする。
In view of the above points, an object of the present invention is to provide a method for manufacturing a press die which can facilitate the welding work and simplify the die manufacturing process.

【0005】[0005]

【課題を解決するための手段】上記目的を達成すべく本
発明は、ワーク加工用のエッジ部を有するプレス金型の
製造方法であって、正規の金型形状より大きく形成した
金型素材の前記エッジ部になる部分に所要の深さの溝を
形成して、該溝に肉盛り材料を溶接肉盛りし、金型素材
を肉盛り部で前記エッジ部が形成されるように肉盛り部
を含めて正規の金型形状に機械加工し、その後エッジ部
に硬化処理を施すことを特徴とする。
In order to achieve the above object, the present invention is a method for manufacturing a press die having an edge portion for working a workpiece, which is a die material formed larger than a regular die shape. A groove having a required depth is formed in a portion to be the edge portion, a weld overlay is welded to the groove, and a metal mold material is used to form the edge portion by the overlay portion. It is characterized in that it is machined into a regular mold shape including, and then the edge part is subjected to hardening treatment.

【0006】[0006]

【作用】金型素材を肉盛り部を含めて機械加工すること
で、金型素材の機械加工と肉盛り部の機械加工とを同一
工程で行なえるようになり、金型の製造工程の簡略化が
図れる。
[Operation] By machining the die material including the build-up portion, the machining of the die material and the build-up portion can be performed in the same process, which simplifies the die manufacturing process. Can be realized.

【0007】また、肉盛り部は金型のエッジ部になる部
分に形成するが、機械加工前であって正規の金型形状よ
り大きな金型素材に肉盛り加工を施すため、エッジ部に
なる金型素材の部分に肉盛り箇所を溝として形成し、こ
の溝に肉盛り材料を充填するように溶接肉盛りすること
ができ、肉盛り材料の垂れ落ちが防止されて、肉盛り加
工が容易になる。
Further, the build-up portion is formed at a portion which becomes an edge portion of the mold. However, since the build-up processing is performed on a die material which is larger than the regular die shape before machining, it becomes the edge portion. Grooves can be formed on the mold material as welding grooves, and welding can be performed to fill the grooves with the welding material, which prevents the welding material from dropping and facilitates the welding process. become.

【0008】ところで、金型素材のエッジ部の硬化処理
方法として、エッジ部を熱処理により焼き入れして硬度
を増加させる方法があるが、この場合エッジ部を加熱す
る熱により金型素材が歪む恐れがある。この場合、サブ
ゼロ硬化型の材料を肉盛り材料として使用すれば、エッ
ジ部の硬度を過冷処理により増加させることができ、硬
化処理時の金型素材の歪みを防止できる。
By the way, as a method of hardening the edge portion of the die material, there is a method of increasing the hardness by quenching the edge portion by heat treatment. In this case, the heat of heating the edge portion may cause distortion of the die material. There is. In this case, if a sub-zero hardening type material is used as the build-up material, the hardness of the edge portion can be increased by the supercooling treatment, and the distortion of the die material during the hardening treatment can be prevented.

【0009】[0009]

【実施例】図1を参照して、1はトリミング金型を示
し、該金型1のエッジ部は、板状のワークを所定形状に
トリミング加工するためのトリミング刃2に成形されて
いる。トリミング刃2は、鋳造された金型素材3とは、
別の高硬度を有する材料により形成される。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, reference numeral 1 denotes a trimming die, and an edge portion of the die 1 is formed with a trimming blade 2 for trimming a plate-shaped work into a predetermined shape. The trimming blade 2 and the cast mold material 3 are
It is formed of a material having another high hardness.

【0010】次にトリミング刃2をトリミング金型1に
形成する手順について以下に説明する。まずトリミング
金型1の正規形状により大きな金型素材3を鋳造し、黒
皮が付いたままの金型素材3にトリミング刃2を形成す
る部分に位置させて図2(a)に示す如く機械加工によ
り所要の深さの溝4を形成する。次いで図2(b)に示
す如く該溝4に肉盛り材料を溶接肉盛りする。そして図
2(c)、(d)に示す如く肉盛り部5でトリミング刃
2が形成されるように金型素材3を肉盛り部5を含めて
機械加工し、所要の金型形状に形成する。その後適宜の
硬化処理を施して、トリミング刃2の形状に成形した肉
盛り部5の硬度を所要の硬度以上に増加させる。
Next, the procedure for forming the trimming blade 2 on the trimming die 1 will be described below. First, a large die material 3 is cast according to the regular shape of the trimming die 1, and the trimming blade 2 is formed on the die material 3 with the black skin. The groove 4 having a required depth is formed by processing. Next, as shown in FIG. 2B, a weld overlay is welded to the groove 4. Then, as shown in FIGS. 2C and 2D, the die material 3 is machined together with the padding portion 5 so that the trimming blade 2 is formed in the padding portion 5 to form a desired die shape. To do. After that, an appropriate hardening treatment is performed to increase the hardness of the built-up portion 5 formed in the shape of the trimming blade 2 to a required hardness or more.

【0011】上記のトリミング金型1の製造方法では、
金型素材3を肉盛り部5を含めて機械加工することで金
型素材3の機械加工と肉盛り部5の機械加工とを同一工
程で行なえるようになり、金型1の製造工程が簡略化さ
れる。また、金型素材3のトリミング刃2を形成する部
分を溝状に削除できるようになり、該溝4に肉盛り材料
を充填するように溶接肉盛りを行なえるため肉盛り材料
の垂れ落が防止されて、溶接肉盛り作業を容易に行なう
ことができる。
In the method of manufacturing the trimming die 1 described above,
By machining the die material 3 including the padding portion 5, the machining of the die material 3 and the padding portion 5 can be performed in the same process, and the manufacturing process of the die 1 can be performed. It is simplified. Further, the portion of the die material 3 forming the trimming blade 2 can be deleted in a groove shape, and welding overlay can be performed so as to fill the groove 4 with the overlay material, so that the overlay material drops off. As a result, the welding build-up work can be easily performed.

【0012】また、本実施例では肉盛り材料としてサブ
ゼロ硬化型の材料を使用し、肉盛り部5をトリミング刃
2の形状に機械加工した後に、肉盛り部5を0℃以下に
過冷処理して硬度を高めるようにした。これによれば、
硬化処理に際して金型素材3が歪む恐れがなくなり、金
型1の修正工程が不要となって、製造能率が一層向上す
る。
Further, in this embodiment, a sub-zero hardening type material is used as the build-up material, the build-up portion 5 is machined into the shape of the trimming blade 2, and then the build-up portion 5 is supercooled to 0 ° C. or lower. To increase the hardness. According to this
There is no possibility that the mold material 3 will be distorted during the curing process, the step of correcting the mold 1 becomes unnecessary, and the manufacturing efficiency is further improved.

【0013】[0013]

【発明の効果】以上の説明から明らかなように、本発明
によれば、プレス金型の製造工程の簡略化を図れると共
に金型素材への溶接肉盛り作業が容易に行なえるように
なるため、金型の製造能率が向上する。
As is apparent from the above description, according to the present invention, the manufacturing process of the press die can be simplified and the welding build-up work on the die material can be easily performed. , The mold manufacturing efficiency is improved.

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

【図1】 本発明の方法により成形する金型の一例の断
面図
FIG. 1 is a cross-sectional view of an example of a mold that is molded by the method of the present invention.

【図2】 本発明の方法の各工程を示す図であって
(a)は溝の成形工程、(b)は溶接肉盛り工程、
(c)、(d)は機械加工工程をそれぞれ示す図
FIG. 2 is a diagram showing each step of the method of the present invention, in which (a) is a groove forming step, (b) is a weld overlay step,
(C) and (d) are diagrams showing machining processes, respectively.

【符号の説明】[Explanation of symbols]

1 トリミング金型(プレス金型) 2 トリミン
グ刃(エッジ部) 3 金型素材 4 溝 5 肉盛り部
1 Trimming mold (press mold) 2 Trimming blade (edge part) 3 Mold material 4 Groove 5 Overlay part

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 ワーク加工用のエッジ部を有するプレス
金型の製造方法であって、正規の金型形状より大きく形
成した金型素材の前記エッジ部になる部分に所要の深さ
の溝を形成して、該溝に肉盛り材料を溶接肉盛りし、金
型素材を肉盛り部で前記エッジ部が形成されるように肉
盛り部を含めて正規の金型形状に機械加工し、その後エ
ッジ部に硬化処理を施すことを特徴とするプレス金型の
製造方法。
1. A method of manufacturing a press die having an edge portion for working a workpiece, wherein a groove having a required depth is formed in a portion of the die material formed larger than a regular die shape to be the edge portion. After forming, the build-up material is weld-laid in the groove, and the die material is machined into a regular mold shape including the build-up portion so that the edge portion is formed at the build-up portion, and thereafter. A method for manufacturing a press die, which comprises subjecting an edge portion to a hardening treatment.
【請求項2】 上記肉盛り材料として、サブゼロ硬化型
の材料を使用するようにしたことを特徴とする請求項1
に記載のプレス金型の製造方法。
2. A sub-zero curing type material is used as the padding material.
The method for manufacturing a press die according to.
JP9005893A 1993-04-16 1993-04-16 Production of press die Pending JPH06297055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9005893A JPH06297055A (en) 1993-04-16 1993-04-16 Production of press die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9005893A JPH06297055A (en) 1993-04-16 1993-04-16 Production of press die

Publications (1)

Publication Number Publication Date
JPH06297055A true JPH06297055A (en) 1994-10-25

Family

ID=13987981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9005893A Pending JPH06297055A (en) 1993-04-16 1993-04-16 Production of press die

Country Status (1)

Country Link
JP (1) JPH06297055A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007098532A (en) * 2005-10-06 2007-04-19 Konyo:Kk Hand tool and its manufacturing method
US7827883B1 (en) * 1996-02-16 2010-11-09 Bernal, Inc. Cutting die and method of forming
JP2012143763A (en) * 2012-05-10 2012-08-02 Shin Nichinan:Kk Kneader

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7827883B1 (en) * 1996-02-16 2010-11-09 Bernal, Inc. Cutting die and method of forming
JP2007098532A (en) * 2005-10-06 2007-04-19 Konyo:Kk Hand tool and its manufacturing method
JP2012143763A (en) * 2012-05-10 2012-08-02 Shin Nichinan:Kk Kneader

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