EDM Die Sinker - Select EDM Machine & Accessories
Quiz
•
Instructional Technology
•
2nd Grade
•
Practice Problem
•
Hard
HARMANINDA HARON
Used 10+ times
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15 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Apakah yang dimaksudkan dengan CNC?
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Apakah kelebihan apabila menggunakan mesin CNC
mengurangkan kesilapan operator
hayat mata alat lebih panjang
mengurangkan kos buruh
menpercepatkan kerosakan matalat
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
EDM Die sinking adalah proses menghakis logam dengan menggunakan _______________________
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah suhu spark yang terhasil semasa pencairan diantara bendakerja dan elektrod.
1000 – 2000 °C
8000 – 12000 °C
5000 – 10000 °C
10000 – 15000 °C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Namakan bahan yang ditunjukkan oleh anak panah dalam rajah tersebut
Elektrod
Endmill
Dielektrik
Bendakerja
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan spark gap
kelegaan di antara elektrod dengan bendakerja
litar pintas ( short circuit ) yang terjadi disebabkan oleh partikel karbon
Ukuran lekukan ( crater) akan menentukan kualiti permukaan penyudah bendakerja
, isipadu (Volume) logam yang terhakis
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nyatakan fungsi cecair dielektrik dalam mesim EDM
Bertindak sebagai coolant bagi mengurangkan suhu pemesinan yang tinggi
Mencegah dari berlakunya oxidation pada bendakerja
Mengeluarkan sisa-sisa partikel halus
Menjernihkan air semasa proses pemotongan
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