
機械製造9-3~9-6
Quiz
•
Specialty
•
10th Grade
•
Hard
倪祥維 倪
Used 2+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
銑刀之旋轉方向與工作台移動方向相反之銑削方法,稱為
上(逆)銑法
下(順)銑法
橫銑法
跨銑法
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
普通分度頭之蝸輪與蝸桿之轉數比為
1:40
1:100
40:1
100:1
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
銑床分度頭蝸桿與蝸輪轉速比為40:1,分度板之孔數為37、39、41、43、47、49。欲銑製一94齒之齒輪,由簡單分度法可得每等分搖柄轉動之圈數為?
21/39 圈
20/41 圈
23/43 圈
20/47 圈
Answer explanation
N=40/T
=40/94
=20/47
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列有關順銑法(又稱下銑法)與逆銑法(又稱上銑法)的比較,何者為不正確?
逆銑法產生切屑的方式為由薄到厚,順銑法產生切屑的方式為由厚到薄
逆銑法較易產生震動,但不需裝設背隙消除裝置
採用逆銑法的加工面較平滑,故比順銑法適合精加工
逆銑法產生的切削力為由小到大,故刀刃不易崩裂
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用相同結晶粒度製造的砂輪,用來磨較硬的工作物表面時,需要使用砂輪磨料之粘合劑應為
結合強度高
結合強度低
有彈性
抗拉強度高
6.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
以直徑100mm之碳化鎢銑刀,銑刀齒數(刀刃數)為6齒,銑削中碳鋼,查表得知最佳銑削速度為80m/mim,若每齒進刀設定為0.1mm,下列之計算結果何者正確?
銑刀每分鐘迴轉數N=2500~2700rpm
銑刀每分鐘迴轉數N=250~270rpm
每分鐘進給量fm=25~27mm/min
每分鐘進給量fm=250~270mm/min
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
有關砂輪製法的敘述,下列何者錯誤?
V法是指金屬結合法
E法所製的砂輪強韌且富彈性
S法是以水玻璃當作結合劑
樹脂結合法簡稱B法
8.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
砂輪必須作下列檢查,下列敘述何者不正確?
音響檢查為首要檢查項目,以其聲音清脆與否判定砂輪內部是否有裂痕
平衡檢查其目的在檢查砂輪組織是否均勻,以確保砂輪運轉時震動減低
砂輪之夾持緣盤直徑應小於砂輪外徑1/3
砂輪孔徑應稍大於心軸直徑,即採鬆配合
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