Shaping machine - katakezuriban

Japanese: 形削り盤 - かたけずりばん
Shaping machine - katakezuriban

A machine tool that cuts grooves and processes flat surfaces using tools attached to a ram that moves back and forth along the guide surface on the top of the main frame. It is also called a shaper. The workpiece is fixed onto a table attached to a saddle that moves intermittently from side to side. The saddle is attached to a cross rail that can be adjusted up and down. Cutting is usually performed when the ram is extended. The ram moves slowly when cutting, but a quick return mechanism is built in to return it quickly when not cutting.

With the advancement and development of milling machines capable of high-precision flat processing, the use of shaping machines is declining, but they are still in use because the tools and setup are simple and the cost is low.

[Shimizu Shinji]

[Reference item] | Cutting
Structure of the shaper
©Makoto Takahashi

Structure of the shaper


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

本体であるフレーム上部の案内面に沿って往復運動するラムに取り付けた工具で、溝(みぞ)加工や平面加工を行う工作機械。シェーパーshaperともいう。加工物は左右に間欠的に動くサドルに取り付けられたテーブル上に固定する。サドルは上下調整のできるクロスレールに取り付けられている。またラムが突き出すときに切削を行うのが普通である。ラムの動きは、切削時はゆっくりしているが、非切削時は早く戻すように、早戻り機構が組み込まれている。

 精度のよい平面加工ができるフライス盤の進歩発展に伴い、形削り盤の使用は減少しつつあるが、工具と段取りが簡単で、価格も安いので、まだ用いられている。

[清水伸二]

[参照項目] | 切削加工
形削り盤の構造
©高橋 真">

形削り盤の構造


出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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