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20181204

精密下料 (Fine Blanking)

精密下料 (Fine Blanking)

Keywords: Stamping, Fine blanking, Die design, ... .
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Animation of Fine Blanking.
[] Fine blanking press working animation, https://www.youtube.com/watch?v=Or1fCulo9LM



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REFERENCE.

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20180922

關於重構成形技術 (About Reconfiguration Forming)

關於重構成形技術 (About Reconfiguration Forming)

Keywords: Multi-point forming, Sheet metal forming, Multi-punch forming, Reconfiguration forming, ... .
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為了搜尋柔性輥軋成形技術 ( Flexible roll forming),找到了 Flexible Reconfiguration Roll Forming, 當初只視為某個創新的漸進式成形技術 (incremental forming);直到看到其商品化新聞,才好好地搜尋了相關的專利和論文。

從目前的專利和論文資料來看,重構成形技術 (Reconfiguration forming) 大多利用油壓系統驅動多軸(沖頭)運動成形,適用於三維曲面大鈑件成形;商品化機械有 SKWB-2500 船舶三維數控彎鈑機。

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REFERENCE

  • 世界首台!複雜曲面船板自動加工設備成功應用, Read01, 20160226, https://goo.gl/HsqLAT
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Reconfiguration Forming

  • E.G. Haas, R.C. Schwarz,J.M. Papazian (2003) Single-die modularized, reconfigurable honeycomb core forming tool, US, 6578399,Northrop Grumman Corporation.
  • 向祖權, 張燦勇, 李培勇, 李繼先, 焦和桐, 王呈方, 勇胡, 范正勇, 茅雲生, 萍袁,馬軍偉 (2009) 方形壓頭可調活絡模具板材曲面成形裝置, CN, 201361652,泰安市碩力液壓設備廠,武漢理工大學.
  • 張燦勇, 焦和桐, 王呈方,勇胡 (2010) 非對壓多點板材成形裝置, CN, 101670392,武漢理工大學.
  • 向祖權, 張燦勇, 李培勇, 李繼先, 焦和桐, 王呈方, 胡勇, 范正勇, 茅雲生, 袁萍,馬軍偉 (2011) 方形壓頭可調活絡模具板材曲面成形裝置, CN, 101549377,泰安市碩力液壓設備廠,武漢理工大學.
  • 於忠奇, 王皓, 來新民, 林忠欽,孔慶帥 (2015) 三維曲面構件加工的多點柔性滾壓成形方法, CN, 103111499,上海交通大學.
  • 馮朋曉, 李明哲, 胡志清, 隋振, 韓奇鋼,龔學平 (2011) 三維曲面輥壓成型裝置, CN, 102151732,吉林大學.
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Flexible Reconfiguration Roll Forming (FRRF)

  • Takashi Ishikawa, Ken-ichiro Mori, Daming Wang, Mingzhe Li,Zhongyi Cai (2014) Investigation on Forming Precision of Flexible Rolling Process for Three-dimensional Surface Parts of Different Sheet Materials, Procedia Engineering, Vol.81, pp.227-232.
  • Jun-Seok Yoon, So-Eun Son, Woo-Jin Song, Jeong Kim,Beom-Soo Kang (2014) Study on flexibly-reconfigurable roll forming process for multi-curved surface of sheet metal, International Journal of Precision Engineering and Manufacturing, Vol.15, pp.1069-1074.
  • Pan Liu, Tae-Wan Ku,Beom-Soo Kang (2015) Shape error prediction and compensation of three-dimensional surface in flexibly-reconfigurable roll forming, Journal of Mechanical Science and Technology, Vol.29, pp.4387-4397.
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20170418

關於金屬成形機 (Metal Forming Machine, Press)

關於金屬成形機 (Metal Forming Machine, Press)

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關於金屬鈑金 (sheet) 及塊材 (bulk) 之成形機。

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沖床廠商及技術:


金豐 (1557):
  • 省力多連桿機構、連桿式伺服沖床、直驅式伺服沖床 [UDN,2016]
  • 冷鍛肘節式多連桿機構沖床:下死點停留時間長,適合沖鍛成形 [CT,2017]

協易 (4533):
  • 伺服沖床系統內建適用金屬深抽成形之振動曲線、170 SPM鐘擺曲線、智慧型沖床整線管理控制系統、伺服沖床、自動化整合方案、智慧製造應用技術 [UDN,2017]
  • 門型偏心齒輪伺服沖床:特斯拉採用 800噸 [CT,2017]


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REFERENCE


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20170310

關於沖壓成形 (About Stamping)

關於沖壓成形 (About Stamping)

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REF.胚料展開

  • L. M. Li (2012) Optimization of Initial Blank Shape to Minimize Defects in an A pillar Inner Panel Using Finite Element Method, Materials Processing Technology Ii, Pts 1-4, Vol.538-541, pp.1045-1048.
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