鈦合金高爾夫球頭打擊面鍛造研究

The Forging Study of Titanium Golf Head Face Cup

墜俊明(Chun-Ming Chui)

指導教授 ： 楊東昇

國立虎尾科技大學/工程學院/機械與電腦輔助工程系碩士班在職專班/碩士(2015年)

摘要

鍛造是一種非穩態製程，製程中所涉及的參數非常多，從材料選用、鍛件幾何形狀、金屬的流動、模具材質選用及設計、材料與模具間的潤滑及熱傳情形均隨時在改變，尤其鈦合金之鍛造參數設計更決定模具壽命並直接影響產品的成本。
本研究由探討鈦合金之鍛造參數比較提供材質選用，並利用有限元素法DEFORM-3D模擬，模具設計增加補強環之比較分析，並針對鍛件幾何形狀設計以單一鍛造參數改變進行鍛造模擬規劃分析，期望找出最佳鍛造參數設計，增加模具壽命。
模具壽命為鍛造參數的最佳評估指標，故依據模擬實驗找出補強環之最佳干涉量及最佳鍛造外形參數設計，並實際開模運用於高爾夫球頭打擊面鈦合金鍛造量產收集模具壽命，成功降低鍛造負荷減少模具變形及磨耗，不但獲得符合顯微組織及尺寸精度要求之產品，並大幅提升模具壽命。

關鍵字

鍛造 ； 鈦合金 ； 有限元素分析 ； DEFORM-3D

並列摘要

Forging is a non - steady state process , in which many parameters are involved, including material selection , geometry of forging blank , metal flow , selection of die material , die design , lubrication and heat transfer between material (blank) and die change at any time. Particularly, titanium forging design parameters can determine die life and directly affect the cost of the product.
This study investigated the comparison of different forging processing parameters of titanium alloy to provide suggestion on die material selection. In addition, finite element analysis package DEFORM-3D is used to analyze the stress distribution of die reinforcement rings, and then analysis of forging process by changing only one process parameter is conducted to find out the optimal forging parameter which can increase die life.
Die life is the best assessment criterion of forging process parameters, hence the optimal interference value of reinforcement ring and the optimal design parameters of forging shape are find out according to simulation results and experiments. Then, these findings were used to manufacture dies in an actual mass production of forged golf head face cup by using titanium alloy, in which data of die life were collected. It was found the forging loads were successfully decreased, thus deformation and wearing of die were reduced as well, and this forging case not only produces parts which satisfy the requirements on microstructure and dimension precision, but also effectively increase the die life.

並列關鍵字

forging ； titanium ； finite element analysis ； DEFORM-3D

參考文獻

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