FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Hoàng Anh Student ID: 21144001
Title 1 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism
 Drive arrangement Z = 2(2.2 + 1.1.2.2) = 15
 Minimum revolution of the spindle : nmin = 2,8 rpm
 Progression ratio of the series of spindle speeds :  = 1,58
 Drive motor of power N = 4,5 KW and motor revolution nm = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 4
; 4,5 ; 5 ; 5,5 ; 6 (17 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25
; 2,5 ; 2,75 ; 3 ; 3,5 (14 values) 1
 English threads : n = 30 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 2
; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (28 values) 2 2 4 2 4 2 2
 Diametral Pitch worm threads: P = 56 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 24 ; 22 ;
20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (20 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 1
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Trư n ơ g Nguyễn Thế Bảo Student ID: 22144004
Title 2 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism
 Drive arrangement Z = 2(2.2.2 + 1.3.2) = 28
 Minimum revolution of the spindle : nmin = 4 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 7,5 KW and motor revolution nm = 1450 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 4 ;
4,5 ; 4,75 ; 5 ; 5,5 ; 6 ; 7 ; 8 ; 9 ; 10 ; 11 ; 12 (23 values)
 Module worm threads : m = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ;
2,5 ; 2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 6 (20 values) 1
 English threads : n = 28 ; 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 2
; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (27 values) 2 2 2 4 2 2
 Diametral Pitch worm threads: P = 56 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 24 ;
22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 ; 7 ; 6 (24 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 2
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Võ Hoàng Gia Bảo Student ID: 211443284
Title 3 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 4 (1.2 + 1.1.2.2) = 21
 Minimum revolution of the spindle : nmin = 3 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 5 KW and motor revolution nđ = 1500 rpm c
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,5 ; 3,75 ; 4 ; 4,5 ; 5 ; 5,5 ; 6 (20 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 (13 values)
 English threads : n = 48 ; 46 ; 44 ; 40 ; 36 ; 30 ; 28 ; 24 ; 23 ; 22 ; 20 ; 18 ; 16 ; 15
; 14 ; 12 ; 11 ; 10 ; 9 1 ; 9 ; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 (31 2 2 2 4 2 4 2 values)
 Diametral Pitch worm threads : P = 92 ; 88 ; 80 ; 76 ; 72 ; 64 ; 56 ; 48 ; 44 ; 40 ;
36 ; 32 ; 30 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (26 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1/1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 3
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Phi Cường Student ID: 20144160
Title 4 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (1.3.2 + 1.3.2) = 24
 Minimum revolution of the spindle : nmin = 11,8 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,25 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 (23 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ;
2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (16 values)
 English threads : n = 52 ; 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 26 ; 24 ; 23 ; 22
; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 1 ; 9 ; 8 ; 7 1 ; 7 ; 6 1 ; 6 ; 2 2 2 2
5 3 ; 5 1 ; 5 ; 4 3 ; 4 1 (37 values) 4 2 4 2
 Diametral Pitch worm threads : P = 104 ; 96 ; 92 ; 88 ; 80 ; 76 ; 72 ; 64 ; 60 ; 56 ;
52 ; 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 16 ;
15 ; 14 ; 12 ; 11 ; 10 ; 9 (34 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1/1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 4
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Phi Cường Student ID: 21144330
Title 5 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3 (2.2 + 1.1.2.2) = 22
 Minimum revolution of the spindle : nmin = 2 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 5 KW and motor revolution nđ = 2940 rpm c
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding-key mechanism for cutting the following threads:
 Metric threads : tp = 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 3,75 ; 4 ;
4,5 ; 5 ; 5,5 ; 6 ; 7 ; 7,5 ; 8 ; 9 ; 9,5 ; 10 ; 11 ; 12 (24 values)
 Module worm threads : m = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ;
2,5 ; 2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 (18 values) 1
 English threads : n = 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 ; 8 ; 2
7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (27 values) 2 2 4 2 4 2 2
 Diametral Pitch worm threads : P = 96 ; 88 ; 80 ; 76 ; 72 ; 64 ; 60 ; 56 ; 48 ; 44 ;
40 ; 38 ; 36 ; 32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (26 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 5
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Đinh Công Duy Student ID: 21144331
Title 6 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (3 + 1.2.2) = 14
 Minimum revolution of the spindle : nmin = 12,5 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 5 KW and motor revolution nđ = 1500 rpm c
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding-key mechanism for cutting the following threads:
 Metric threads : tp = 0,625 ; 0,75 ; 1,25 ; 1,5 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 4,5 ; 4,75
; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 (16 values)
 Module worm threads : m = 0,375 ; 0,625 ; 0,75 ; 1,25 ; 1,5 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 (10 values)
 English threads : n = 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 13
; 12 ; 11 1 ; 11 ; 10 ; 9 1 ; 9 ; 6 1 ; 6 ; 5 3 ; 5 1 ; 5 ; 4 1 (26 values) 2 2 2 4 2 2
 Diametral Pitch worm threads : P = 104 ; 96 ; 92 ; 88 ; 80 ; 76 ; 72 ; 52 ; 48 ; 46 ;
44 ; 40 ; 38 ; 36 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 12 ; 11 ; 10 ; 9 (25 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 6
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Lê Quốc Duy Student ID: 21144003
Title 7 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3  2  2 (1 + 1) = 20
 Minimum revolution of the spindle : nmin = 20 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 3 KW and motor revolution nđ = 1450 rpm c
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 5 ; 5,5 ; 6 ; 7 (20 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ;
1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 (16 values)
 English threads : n = 56 ; 48 ; 44 ; 40 ; 36 ; 32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12
; 11 ; 10 ; 9 ; 8 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 (24 values) 2 2
 Diametral Pitch worm threads : 112 ; 96 ; 88 ; 80 ; 72 ; 64 ; 56 ; 48 ; 44 ; 40 ; 36 ;
32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (24 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 7
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Minh Duy Student ID: 21144008
Title 8 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (1.2.2 + 1.2.2) = 15
 Minimum revolution of the spindle : nmin = 20 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding-key mechanism for cutting the following threads:
 Metric threads : tp = 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ;
3,25 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 ; 7 (22 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ;
2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (16 values)
 English threads : n = 56 ; 52 ; 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22
; 20 ; 19 ; 18 ; 16 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 1 ; 9 ; 8 ; 7 ; 6 1 ; 6 ; 5 3 ; 5 1 ; 2 2 2 4 2 5 ; 4 3 ; 4 1 ; 4 (36 values) 4 2
 Diametral Pitch worm threads : P = 104 ; 96 ; 92 ; 88 ; 80 ; 76 ; 72 ; 64 ; 56 ; 52 ;
48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (32 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 8
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Phạm Công Đài Student ID: 20144165
Title 9 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3  2 (1.1 + 1.2) = 18
 Minimum revolution of the spindle : nmin = 7,1 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 7,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ; 1,75 ; 2 ; 2,25
; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 ; 4 ; 4,5 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 ; 7 (24 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ;
1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (17 values)
 English threads : n = 56 ; 52 ; 48 ; 46 ; 44 ; 40 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20
; 18 ; 16 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 ; 8 ; 7 ; 6 1 ; 6 ; 5 3 ; 5 1 ; 5 ; 4 1 ; 4 (32 2 2 4 2 2 values)
 Diametral Pitch worm threads : P = 104 ; 96 ; 88 ; 80 ; 76 ; 72 ; 64 ; 56 ; 52 ; 48 ;
44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 26 ; 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (29 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 9
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Hoàng Trọng Đạt Student ID: 21144332
Title 10 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (1.3.2 + 2.2.2) = 28
 Minimum revolution of the spindle : nmin = 5 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 3 KW and motor revolution nđ = 1450 rpm c
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,25 ; 3,5 ; 4 ; 4,5 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 ; 7 (23 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ; 1,75 ;
2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (16 values)
 English threads : n = 52 ; 48 ; 46 ; 44 ; 40 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 18
; 16 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 ; 8 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 (29 values) 2 2 2
 Diametral Pitch worm threads : P = 96 ; 88 ; 80 ; 72 ; 64 ; 56 ; 52 ; 48 ; 46 ; 44 ;
40 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 18 ; 16 ; 14 ; 13 ; 12 ; 11 ; 10 ; 9 (27 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 10
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Huỳnh Trọng Đạt Student ID: 21144333
Title 11 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3 (1.1.3 + 1.3.2) = 25
 Minimum revolution of the spindle : nmin = 8 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 5 KW and motor revolution nđ = 1500 rpm c
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 0,625 ; 0,75 ; 1,25 ; 1,5 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 4,5 ; 4,75
; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 (16 values)
 Module worm threads : m = 0,375 ; 0,625 ; 0,75 ; 1,25 ; 1,5 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 (10 values)
 English threads : n = 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 13
; 12 ; 11 1 ; 11 ; 10 ; 9 1 ; 9 ; 6 1 ; 6 ; 5 3 ; 5 1 ; 5 ; 4 1 (26 values) 2 2 2 4 2 2
 Diametral Pitch worm threads : P = 104 ; 96 ; 92 ; 88 ; 80 ; 76 ; 72 ; 52 ; 48 ; 46 ;
44 ; 40 ; 38 ; 36 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 12 ; 11 ; 10 ; 9 (25 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1/1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 11
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Tống Đức Hoàng Student ID: 21144336
Title 12 : Design a universal engine lathe of the following main requirements:
1 Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (2.2 + 3.2) = 20
 Minimum revolution of the spindle : nmin = 23,6 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 5 KW and motor revolution nđ = 1400 rpm c
2 Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3
; 3,25 ; 3,5 ; 4 ; 4,5 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 ; 7 (22 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25
; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (15 values)
 English threads : n = 56 ; 48 ; 46 ; 44 ; 40 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 18
; 16 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 ; 8 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 (29 values) 2 2 2
 Diametral Pitch worm threads : P = 88 ; 80 ; 72 ; 64 ; 56 ; 52 ; 48 ; 46 ; 44 ; 40 ;
36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 18 ; 16 ; 14 ; 13 ; 12 ; 11 ; 10 ; 9 ; 8 (27 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2/1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 12
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Đỗ Gia Huy Student ID: 21144337
Title 13 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3 (1 + 1.3.2) = 21
 Minimum revolution of the spindle : nmin = 19 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 3,75 ; 4 ;
4,5 ; 5 ; 5,5 ; 6 ; 7 ; 7,5 ; 8 ; 9 ; 10 ; 11 ; 12 (23 values)
 Module worm threads : m = 0,5 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,5 ; 3,75 ; 4 ; 4,5 ; 5 ; 5,5 ; 6 (19 values)
 English threads : n = 30 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 ;
7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (26 values) 2 2 2 4 2 2
 Diametral Pitch worm threads : P = 56 ; 48 ; 44 ; 40 ; 36 ; 32 ; 30 ; 28 ; 24 ; 22 ;
20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (20 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 13
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Phạm Ngô Gia Huy Student ID: 22144016
Title 14 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (3 + 1.2.2) = 12
 Minimum revolution of the spindle : nmin = 16 rpm
 Progression ratio of the series of spindle speeds :  = 1,58
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 3,75 ; 4 ;
4,5 ; 5 ; 5,5 ; 6 ; 7 ; 7,5 ; 8 ; 9 ; 9,5 ; 10 ; 11 ; 12 (24 values)
 Module worm threads : m = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ;
2,5 ; 2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 (18 values) 1
 English threads : n = 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 ; 8 ; 2
7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (27 values) 2 2 4 2 4 2 2
 Diametral Pitch worm threads : P = 96 ; 88 ; 80 ; 76 ; 72 ; 64 ; 60 ; 56 ; 48 ; 44 ;
40 ; 38 ; 36 ; 32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (26 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 14
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Thái Hùng Student ID: 21144338
Title 15 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2  2 (1.2 + 1.1.2.2) = 22
 Minimum revolution of the spindle : nmin = 1,8 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 3 KW and motor revolution nđ = 1450 rpm c
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 4
; 4,5 ; 5 ; 5,5 ; 6 (17 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25
; 2,5 ; 2,75 ; 3 ; 3,5 (14 values) 1
 English threads : n = 30 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 2
; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (28 values) 2 2 4 2 4 2 2
 Diametral Pitch worm threads : P = 56 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 24 ; 22 ;
20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (20 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 15
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Trần Viết Hưn g Student ID: 20144219
Title 16 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3  3 (1.1 + 1.2) = 26
 Minimum revolution of the spindle : nmin = 8 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ;
3,25 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 5,75 ; 6 ; 6,5 ; 7 (22 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ;
2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 (15 values)
 English threads : n = 56 ; 52 ; 48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22
; 20 ; 19 ; 18 ; 16 ; 14 ; 13 ; 12 ; 11 1 ; 11 ; 10 ; 9 1 ; 9 ; 8 ; 7 ; 6 1 ; 6 ; 5 3 ; 5 1 ; 2 2 2 4 2 5 ; 4 3 ; 4 1 ; 4 (36 values) 4 2
 Diametral Pitch worm threads : P = 104 ; 96 ; 92 ; 88 ; 80 ; 76 ; 72 ; 64 ; 56 ; 52 ;
48 ; 46 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 26 ; 24 ; 23 ; 22 ; 20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (32 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 16
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Nguyễn Hoàng Lâm Student ID: 21144340
Title 17 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 3 (1.1.3 + 1.2.2) = 20
 Minimum revolution of the spindle : nmin = 5 rpm
 Progression ratio of the series of spindle speeds :  = 1,41
 Drive motor of power N = 7,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 4 ;
4,5 ; 4,75 ; 5 ; 5,5 ; 6 ; 7 ; 8 ; 9 ; 10 ; 11 ; 12 (23 values)
 Module worm threads : m = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ;
2,5 ; 2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 6 (20 values) 1
 English threads : n = 28 ; 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 2
; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (27 values) 2 2 2 4 2 2
 Diametral Pitch worm threads : P = 56 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 24 ;
22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 ; 7 ; 6 (24 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 17
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Trương Hiếu Nam Student ID: 21144014
Title 18 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2  3 (1.2 + 1.2) = 24
 Minimum revolution of the spindle : nmin = 11,2 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 4,5 KW and motor revolution nđc = 1400 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,25 ; 3,5 ; 3,75 ; 4 ; 4,5 ; 4,75 ; 5 ; 5,5 ; 6 ; 6,5 (23 values)
 Module worm threads : m = 0,25 ; 0,375 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ;
1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,25 ; 3,5 (17 values)
 English threads : n = 52 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 26 ; 24 ; 22 ; 20 ; 19
; 18 ; 16 ; 15 ; 14 ; 13 ; 12 ; 11 ; 10 ; 9 1 ; 9 ; 8 ; 7 1 ; 7 ; 6 1 ; 6 ; 5 1 ; 5 ; 4 3 ; 2 2 2 2 4 4 1 (33 values) 2
 Diametral Pitch worm threads : P = 96 ; 88 ; 80 ; 76 ; 72 ; 64 ; 60 ; 56 ; 52 ; 48 ;
44 ; 40 ; 38 ; 36 ; 32 ; 30 ; 28 ; 26 ; 24 ; 22 ; 20 ; 19 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (31 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 18
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Hoàng Minh Nhật Student ID: 21144018
Title 19 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism
 Drive arrangement Z = 2 x 2 (1.1.2 + 1.1.2) = 15
 Minimum revolution of the spindle : nmin = 5 rpm
 Progression ratio of the series of spindle speeds :  = 1,58
 Drive motor of power N = 4,5 KW and motor revolution nm = 1450 rpm
2. Feed gearbox having the basic-functioned group of sliding cluster gear mechanism
and the double-functioned group of Meander mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ;
2,75 ; 3 ; 3,5 ; 4 ; 4,5 ; 5 ; 5,5 ; 6 ; 7 (20 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 0,875 ; 1 ; 1,25 ; 1,375 ; 1,5 ;
1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 (16 values)
 English threads : n = 56 ; 48 ; 44 ; 40 ; 36 ; 32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12
; 11 ; 10 ; 9 ; 8 ; 7 ; 6 ; 5 1 ; 5 ; 4 1 ; 4 (24 values) 2 2
 Diametral Pitch worm threads: P = 112 ; 96 ; 88 ; 80 ; 72 ; 64 ; 56 ; 48 ; 44 ; 40 ;
36 ; 32 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (24 values)
Series of transmission ratios in the double-functioned group ig = 1/8 ; 1/4 ; 1/2 ; 1 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 19
FACULTY FOR HIGH QUALITY TRAINING
PROJECT ON DESIGN OF METAL-CUTTING MACHINE TOOLS Student name: Huỳnh Tấn Phát Student ID: 21144345
Title 20 : Design a universal engine lathe of the following main requirements:
1. Speed gearbox of sliding cluster gear mechanism:
 Drive arrangement Z = 2 (1.1.3 + 2.2.2) = 21
 Minimum revolution of the spindle : nmin = 18 rpm
 Progression ratio of the series of spindle speeds :  = 1,26
 Drive motor of power N = 7,5 KW and motor revolution nđc = 1450 rpm
2. Feed gearbox having the basic-functioned group of Norton-type mechanism and the
double-functioned group of sliding cluster gear mechanism for cutting the following threads:
 Metric threads : tp = 0,5 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25 ; 2,5 ; 2,75 ; 3 ; 3,5 ; 4
; 4,5 ; 5 ; 5,5 ; 6 (17 values)
 Module worm threads : m = 0,25 ; 0,5 ; 0,625 ; 0,75 ; 1 ; 1,25 ; 1,5 ; 1,75 ; 2 ; 2,25
; 2,5 ; 2,75 ; 3 ; 3,5 (14 values) 1
 English threads : n = 30 ; 28 ; 24 ; 22 ; 20 ; 18 ; 16 ; 15 ; 14 ; 12 ; 11 ; 10 ; 9 ; 9 2
; 8 ; 7 1 ; 7 ; 6 ; 5 1 ; 5 ; 4 3 ; 4 1 ; 4 ; 3 3 ; 3 1 ; 3 ; 2 1 ; 2 (28 values) 2 2 4 2 4 2 2
 Diametral Pitch worm threads : P = 56 ; 48 ; 44 ; 40 ; 38 ; 36 ; 32 ; 28 ; 24 ; 22 ;
20 ; 19 ; 18 ; 16 ; 14 ; 12 ; 11 ; 10 ; 9 ; 8 (20 values)
Series of transmission ratios in the double-functioned group ig = 1/4 ; 1/2 ; 1/1 ; 2 b
Date of submission: 13 May 2024
Lecturer: ME. Trần Quốc Hùng 20