Development of small radius ball end mill for deep precision machining

• AKAMATSU Takeshi

  Hitachi Tool Engineering, Ltd.

• KITAJIMA Koichi

  Kansai University

• MATSUMOTO Yuji

  Hitachi Tool Engineering, Ltd.

Bibliographic Information

Other Title

• 金型深彫り加工用小径ボールエンドミルの開発
• 金型深彫り加工用小径ボールエンドミルの開発(第3報)工具母材とコーティング薄膜が工具たわみ量に与える影響
• カナガタ フカボリ カコウヨウ ショウケイ ボールエンドミル ノ カイハツ ダイ3ポウ コウグ ボザイ ト コーティング ハクマク ガ コウグタワミ リョウ ニ アタエル エイキョウ
• －第３報：工具母材とコーティング薄膜が工具たわみ量に与える影響－
• 3rd report:Influence of tool material and coating film on its deflection

Abstract

Machining of complex shapes and deep micro-cavities in dies and molds is mostly carried out by the electrical discharge machining process. However, it may not be possible to sufficiently minimize delivery deadlines and reduce the cost of dies and molds. Therefore, precision machining methods using a small-radius ball end mill capable of machining deep cavities in miniature dies and molds is proposed as a substitute for electrical discharge machining. The results of experiments confirmed that long tool life of the ball end mill can be maintained by changing the coating film material and the edge shape of the small-radius ball end mill, and it is possible to obtain the required surface finish in the work pieces.

Journal

• Journal of the Japan Society for Abrasive Technology

  Journal of the Japan Society for Abrasive Technology 51 (1), 52-57, 2007

  The Japan Society for Abrasive Technology

Keywords

• small radius ball end mill
• coating film
• tool deflection
• surface roughness
• rate of real cutting depth

Details

• CRID: 1390001204333359232
• NII Article ID: 10018660870
• NII Book ID: AN10192823
• DOI: 10.11420/jsat.51.52
• ISSN: 18807534
• ISSN: 09142703
• NDL BIB ID: 8643402
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8643402
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
• Abstract License Flag: Disallowed