Đề thi cuối học kỳ I năm 2019-2020 môn Cơ sở công nghệ chế tạo máy (Mã đề 1) - ĐH Sư phạm Kỹ thuật

TRUONG BH SU' PHAM KY THUAT TPHCM

DE T H I C U O l K Y H O C KY 1

KHOA CO KHI CHE TAO MAY

N A M H O C 2019-2020

NGANH CKM
Chu ky giam thj 1

Chir ky giam thi 2

Mon: C O SO C O N G N G H E C H E T A O M AY
Ma mon hoc: F M M T 3 3 0 8 2 5
De so/Ma de:

01 . De thi co 7 trang.

Thai gian: 90 phut. KHONC. sir dung tai lieu
Diein v a chir ky
CB cham thi thir nhat

SV lam bai tr u e tiep tre n de thi va nop lai de

CB cham thi thir hai

Ho va ten:.........................................................
Ma

s6

SV:.........................................................

So TT:.................. Phong th i:..........................
Cau 1: ( 2 diem)
Cho sa do khoan 16 nhir Hinh, hay :
1- Ve len hinh, ghi ro cac thong so: chieu sau cat t, lirgng chay dao rang Sz, chieu day cat a,
chieu rong cat b, goc nghieng chlnh cp_ ( 1 diem)
2 Viet cong thuc tinh xac dinh moi quan he
giua van toe cat V va so vong quay n ( 0.5
diem)

3. trinh bay dinh nghta: chieu day cat a: ( 0.25 dilm)

S6 hieu: BM3/QT-PDBCL-RBTV


trinh bay djnh nghia: chieu rong cat b: ( 0.25 diem)

Cau 2: Tir ket cau cua mui khoet, hay trinh bay cac dac diem cua nguyen cong khoet ? ( 0.5
dfiem)

Cau 3: Tai sao lai khong nen doa 16 co ranh ? ( 0.5 diem)

Cau 4: Gia cong co Phoi deo thirong gap khi nao ? ( 0.5 diem)

Cau 5:
1. Hien tirgng co rut phoi la gi ? ( 0.5 diem)

So hieu: BM3/QT-PDBCL-RDTV

Neu cac nhan to chinh anh hu'ang den co rut phoi. ( 0.5 diem)

Cau 6 Hay cho biet, day la phuang phap phay gi ? ( 0.5 diem)
Trinh bay dac diem cua phuang phap. ( 0.5 diem)

So hieu: BM3/QT-PDBCL-RDTV


Cau 7 Cho so do tien tru bac nhir hinh ve ( 2 diem)

Biet
1: cCr ty
2: vit dieu chinh
3: can mau

Chuan gia cong (chuan dinh vi) dung trong so do nay la gi ? ( 0.5 diem)

2. Ve hinh, ghi ky hieu dinli vi va phan tich djnh vj dung trong so do tren ( 1 diem)

So hieu: BM3/QT-PDBCL-RDTV


3. Dung cir ty 1. vit dieu chinh 2 va bo can mau 3, de tien hanh gia cong cac Rich thuac LI, L2,
L3, L4. Hay trinh bay each gia cong dat Rich thuac LI va L4 ( 0.5 diem)

Cau 8 Cho chi tiet nhir hinh ve ( 2.5 diem)

phoi tru D 5d X H 8H, da gia cong 2 mat dau. Yeu cau gia cong 2 mat phang

S6 hieu: BM3/QT-PDBCL-RDTV


I. Be phay 2 mat phang, trong cung 1 nguyen cong, co kich thirdc Lxh. Trinh bay each gia
cong (dung may van nang, dang san xuat loat vira, do chinh xac va do nham dat duoc: gia
cong tho). Noi ro loai may, dao ( 0.5 diem).

2. Vbi each gia cong da trinh bay o cau 1.
Ve hinh, xac dinh chuan dinh vj va so bac djnh vi tirong ung. Goi ten chi tiet djnh vi da
dung. ( 1 diem).
Ve cac kich thuoc cong nghe , ghi ky hieu ( 0.5 diem)
•7

S6 hieu: BM3/QT-PDBCL-RDTV


3. Ve hinh chuoi Rich thirac va Tinh ec(h) bang each lap chuoi ldch thiro'c cong nghe. ( 0.5 diem)

Ghi chii:Can bo coi thi khong dugc giai thich de thi.
.Noi d u n g kieru tra

O m a n da u ra cua hoc ph an (vc kien th tic )
[ G 1.2]: Phan biet ro cac chuyen dong tao hinh be mat de tir do nhan dang cac phuong
phap cat got kim loai, cac be mat hinh thanh khi gia cong chi tiet.
[G2.1]: Trinh bay duoc kha nang cong nghe cua cac phuong phap gia cong cat got:
Tien, bao. xoc. khoan, khoet, doa, phay. chuot, niai... va lira chon chung vao thu'c te
san xuat chi tiet may mot each phii hop nhat.

Cau 1,2

Cau 3, 2

[G2.3]: Trinh bay dirge chuan trong cong nghe gia cong co
[G2.4]: Van dung dugc nguyen tac djnh vi 6 diem trong khong gian vao ga dat gia cong
co khi
[ G 1.4]: Phan tich dugc ket cau, thong so hinh hoc cua dung cu cat va thong so hinh hgc
tiet dien phoi cat de qua do phan tich dirge sir anh hirong ciia chung den qua trinh cat.
N gay

Cau 6,7,8

Cau 1. 5 ,4

22 th a n g 12 n a m 2 0 1 9
T h o n g qua

S6 hieu: BM3/QT-PDBCL-RDTV