DE THI CUOl HQC KY 2 NAM HQC 2022-2023
Mon: Co Sif C6ng Nghf Chi T?o Mdy
M3 m6n hpc: FMMT330825
Be so/Ma de: 01/BT Be thi cd 02 trang.
Thdi gian: 75 phut.
Kh6ng dupe phdp sir d\ing tdi ligu.
TRUING D^I HQC SU PHAM K? THUAT
THANH PHO HO Crf MINH
KHOA: CO KHl CHE TAO MAY
BO MON: c6n g NGH£ CHE t a o mAy
Cau 1: (3,0 diem)
Cho so do tign vat m$t dau nhu Hinh 1.
1.1 Ve lai hinh vdi day du cac chuyen dpng cat chinh, chay dao. Chi r5 dau Id chuyen dpng
cit chinh, chay dao kem theo don vj cua dai lupng d$c trung.
1.2 Xac dinh ludi cat chinh, ludi cat phg, mui dao.
1.3 Xdc d|nh ede goc dp dao do trong tiet dign chinh. Gpi ten ede g6c d6.
Hinh 1 Hinh 2
j
Cau 2: (2,0 diem)
Cho so d6 phay mdt phdng nhu Hinh 2.
2.1 Day la phay thuan hay phay nghjch? Neu ddc diem cua
phuong phap phay nay.
2.2 Cho biet dao phay c6 dudng kinh 90 mm, 8 rang, vdn toe
cat 40 m/phut, lugng chpy dao rang 0,15 mm/rang. HSy
tinh so v6ng quay vd toe dp chay dao SPh.
Cau 3: (3,0 diem)
Khoan 1§ Od nhu Hinh 3.
3.1 V6 hg tga dg vd ke ten cac b$c tp do can han che.
3.2 Ky higu djnh vj vd gpi ten ede chi tiet djnh v\.
3.3 Tinh sai s6 chuan cho kich thude L bang edeh lap chuoi
kich thude edng nghg.
3.4 H3y ghi ede kich thude edng nghg Cd, Cm trong so do tren.
Hinh 3
S6 higu: BM1/QT-PDT-RDTV/02 Lin sodt xdt: 02 Ngdy hifu lgc: 15/5/2020 Trang: 1/2
I
CSu 4: (2,0 dilm)
4.1 VS do thi the hipn moi quan hf giua do mai mon cua dao va thcri gian.
4.2 Trinh bay cdc giai doan mai mdn dao.
4.3 Trinh bdy khdi nipm tu6i ben dao.
Ghi chu: Can b$ coi thi khong dupe giai thick de thi.
Chuan dau ra cua hoc phan (ve kien thirc) Npi dung kiem tra
[CLOl]: Xac dupe dirge cdc thanh phan cua qud
trinh cong nghp. Phan tich dupe kit cau, thong so
hinh hoc cua dyng cp cdt.
Cau 1
[CL02]: L\ra chQn dyng cp cdt, chi dp cdt vd
phuemg phdp gia cong phu hpp voi yeu cau ky thuat
cua tung be mdt chi tilt.
Cau 2
[CL04]: Vpn dpng dupe nguyen tdc dinh v\ 6 diem
vao gd ddt chi tiet. Tinh dupe sai so chuan va chuoi
kich thuac cong nghe.
Cau 3
[CL03]: Nhan bilt dupe cdc hien tupng xay ra trong
qua trinh cdt gpt, cac nguyen nhan jpy ra sai s6 gia
cong, ede ylu to dnh hudng din chat lupng b l mdt
cua chi tiet may, tu d6 de xuat cac bi?n phdp nham
nang cao dp chinh xdc gia cong vd chat lupng be mdt
cua chi tilt.
Cau 4
Ngay 10 thang 6 ndm 2023
F Truong bp mon
(ky va ghi ro h<? ten)
S6 hiSu: BM1/QT-PDT-RDTV/02 lin sodt xSt: 02 Ngdy hi?u l\rc: 15/5/2020 Trang: 2/2