COBRA A120-162 C412-E1-1
COBRA
INTERNATIONAL
CENTERLINE SYSTEM
CENTERLINE CONCEPT AND THE ELEMENTS AFFECTED
COBRA A120-162 1
COBRA A120-162 C412-E1-1
The Cobra Int'l Centerline System is compatible with Centerline II system. If affects
the converting tools, the maschine fastening method and the adjustable elements of
the feeder and delivery.
1. Side guide
2. 1mm (0.040") metal backing plate
3. Cutting die form
4. Makeready sheet
5. Upper stripping die form
6. Female stripping board
7. Side joggers
8. Front waste separator
CENTERLINE CONCEPT AND THE ELEMENTS AFFECTED
COBRA A120-162 2
COBRA A120-162 C412-E1-1
CENTERLINE
CENTERLINE
CENTERLINE
CENTERLINE
SHEET
1st Rule
1st Rule
1st Rule
TOOL POSITION
The tool positioning references for a press equipped with the Centerline system are
as follow:
COBRA A120-162 3
Cutting die
COBRA A120-162
Upper stripping die
COBRA A120-162
Female stripping board
C412-E1-1
CUTTING DIE
Front waste sseparator
FIRST RULE CENTERLINE AXIS
4
COBRA A120-162 C412-E1-1
Position OF THE CUTTING SIE HOLES
The drawing below indicates the position of the holes that can be drilled to fasten the
cutting die to the chase ( viewed from theside of the die rules).
Holes A,B,C and D are used for positioning the die on the chase. The holes
numbered 1 to 102 are used for fastening the die to the chase bottom plate.
Remember: the first rule is situated 20mm (0.788") from the front edge of the
board.
1st rule
POSITION OF THE CUTTING DIE HOLES
COBRA A120-162 5
COBRA A120-162 C412-E1-1
POSITION OF THE CUTTING DIE HOLES
# X Y r ∅ DESC.
A - 455.0 - 11.5 - - -
B - 195.0 - 11.5 - - -
C 195.0 - 11.5 - - -
D 455.0 - 11.5 - - -
1 - 894.6 127.9 - - -
2 - 559.8 107.8 - - -
3 - 689.7 182.8 - - -
4 - 819.6 257.8 - - -
5 - 949.5 332.8 - - -
6 - 225 87.7 - - -
7 - 345.9 162.7 - - -
8 - 484.8 237.7 - - -
9 - 614.7 312.7 - - -
10 - 744.6 387.7 - - -
11 - 874.5 462.7 - - -
12 - 1004.4 537.7 - - -
13 109.8 67.6 - - -
14 - 20.1 142.6 - - -
15 - 150 217.6 - - -
16 - 279.9 292.6 - - -
17 - 409.8 376.6 - - -
18 - 539.7 442.6 - - -
19 - 669.6 517.6 - - -
20 - 799.5 592.6 - - -
21 - 929.4 667.6 - - -
22 444.6 47.5 - - -
23 314.7 122.5 - - -
24 184.8 197.5 - - -
25 54.9 272.5 - - -
26 - 75 347.5 - - -
27 - 204.9 422.5 - - -
28 - 334.8 497.5 - - -
29 - 464.7 572.5 - - -
30 - 594.6 647.5 - - -
COBRA A120-162 6
COBRA A120-162 C412-E1-1
POSITION OF THE CUTTING DIE HOLES
# X Y r ∅ DESC.
31 - 724.5 722.5 - - -
32 - 854.4 797.5 - - -
33 - 984.3 872.5 - - -
34 649.5 102.4 - - -
35 519.6 177.4 - - -
36 389.7 252.4 - - -
37 259.8 327.4 - - -
38 129.9 402.4 - - -
39 0 477.4 - - -
40 - 129.9 552.4 - - -
41 - 259.8 627.4 - - -
42 - 389.7 702.4 - - -
43 - 519.6 777.4 - - -
44 - 649.5 852.4 - - -
45 - 779.4 927.4 - - -
46 - 909.3 1002.4 - - -
47 854.4 157.3 - - -
48 724.5 232.3 - - -
49 594.6 307.3 - - -
50 464.7 382.3 - - -
51 334.8 457.3 - - -
52 204.9 532.3 - - -
53 75 607.3 - - -
54 - 54.9 682.3 - - -
55 - 184.8 757.3 - - -
56 - 314.7 832.3 - - -
57 - 444.6 907.3 - - -
58 - 574.5 982.3 - - -
59 - 704.4 1057.3 - - -
60 - 834.3 1132.3 - - -
61 929.4 287.2 - - -
62 799.5 362.2 - - -
63 669.6 437.2 - - -
64 539.7 512.2 - - -
65 409.8 587.2 - - -
66 279.9 662.2 - - -
COBRA A120-162 7
COBRA A120-162 C412-E1-1
POSITION OF THE CUTTING DIE HOLES
# X Y r ∅ DESC.
67 150 737.2 - - -
68 20.1 812.2 - - -
69 - 109.8 887.2 - - -
70 - 239.7 962.2 - - -
71 - 369.6 1037.2 - - -
72 - 499.5 1112.2 - - -
73 - 629.4 1187.2 - - -
74 874.5 492.1 - - -
75 744.6 567.1 - - -
76 614.7 642.1 - - -
77 484.8 717.1 - - -
78 354.9 792.1 - - -
79 225 867.1 - - -
80 95.1 942.1 - - -
81 - 34.8 1017.1 - - -
82 - 164.7 1092.1 - - -
83 - 294.6 1167.1 - - -
84 949.5 622 - - -
85 819.6 697 - - -
86 689.7 772 - - -
87 559.8 847 - - -
88 429.9 922 - - -
89 300 997 - - -
90 170.1 1072 - - -
91 40.2 1147 - - -
92 894.6 826.9 - - -
93 764.7 901.9 - - -
94 634.8 976.9 - - -
95 504.9 1051.9 - - -
96 375 1126.9 - - -
97 245.1 1201.9 - - -
98 969.6 956.9 - - -
99 839.7 1031.8 - - -
100 709.8 1106.8 - - -
101 579.9 1181.8 - - -
102 914.7 1161.7 - - -
COBRA A120-162 8
COBRA A120-162 C412-E1-1
CUTTING DIE
Fastening Holes
Lay out five to ten through-holes over the surface of the wooden board ( hole position
on pages 5,6 and 7) The hole diameter is 6mm (1/4")
COBRA A120-162 DIE FASTENING METHOD ( Chase with drilled bottom plate)
COBRA A120-162 9
COBRA A120-162 C412-E1-1
CUTTING DIE
Position of the first rule and maximum die board size
The distance between the tront edge of the wooden board and the center of the first
rule is a fixed dimension and amounts to 20mm (0.788")
1st rule
Max. DIE Board Size
COBRA A120-162 10
COBRA A120-162 C412-E1-1
CUTTING DIE
CENTERING NOTCHES
These notches are used for centering the die within the chase using the pins on the
bottom plate
Position of the centering notches or holes:
1st rule
COBRA A120-162 11
COBRA A120-162 C412-E1-1
FEMALE STRIPPING BOARD
NOTCH FOR CENTERING BOARD
Add. a 20 x 22mm (0.866" x 0.788") notch for engaging the CENTERLINE system
centering stop.
COBRA A120-162 12
COBRA A120-162 C412-E1-1
FEMALE STRIPPING BOARD
SEPARATING RULES
Provide two groves with a length of 30mm (1-3/16") and a thickness of 2mm (5/64")
as well as fastening holes with a diameter of6mm (1/4") to secure the separating
rules. The position of both these grooves is given by the separating line for side and
rear waste.
COBRA A120-162 13
COBRA A120-162 C412-E1-1
FEMALE STRIPPING BOARD
Position of Clamping Jaws
The clamping jaws should be positioned accurately in relation to fictive line 1 of
separation between the lateral and rear waste.
WOODEN REINFORCEMENT
The front section of the wooden reinforcements should allow the female stripping
board to press against the bar of the female board carrier frame.
Make a rcess of 15mm x 23.5mm (0.591 x 0.925") in thi part of the reinforcements
(Fig.1) or shorten it by 20mm (0.788"), (Fig.2), to secure the support plates.
COBRA A120-162 14
COBRA A120-162 C412-E1-1
UPPER STRIPPING DIE
DIMENSIONS OF THE WOODEN BOARD
The board dimensions depend on the cutting die.
The front edge of the board must be 20mm (0.788") from the position of the first
cutting rule Length Y an with X of the board should exceed the position of the last
side rear cutting rule by 40mm (1-5/8").
Note: When using a maximum size Y, reduce the distance of the boars to 22mm
(7/8").
COBRA A120-162 15
COBRA A120-162 C412-E1-1
UPPER STRIPPING DIE
NOTCH FOR CENTERING STOP
Add a 20 x 22 (0.866" x 0.788") notch for engaging the CENTERLINE centering
stop.
COBRA A120-162 16
COBRA A120-162 C412-E1-1
FRONT WASTE SEPARATOR
DRAWING AND DIMENSIONS
Design the outline of the waste keeping 2mm (1/16") inside it. Length Y is given
below for the various machine types. With X is to the cutting with including the
separating rules for front / side waste.
COBRA A120-162 17
COBRA A120-162 C412-E1-1
FRONT WASTE SEPARATOR
FASTENING HOLES
Depending on the size, between 2 and 6 fastening holes measuring 9.5mm (3/8") in
duameter should be provided. These holes are to be located 58mm (2.283") from
the first cutting rule.
1st Rule
COBRA A120-162 18
Cobra Int'l Centerline System – Sample Cutting Die Drawing
COBRA A120-162
COBRA A120-162
C412-E1-1
19
COBRA A120-162
COBRA A120-162
Cobra Int'l Centerline System – Sample Front Waste Separator Drawing
C412-E1-1
20
Cobra Int'l Centerline System – Sample Upper Stripping Die Drawing
COBRA A120-162
COBRA A120-162
C412-E1-1
21
Cobra Int'l Centerline System – Sample Lower Stripping Die Drawing
COBRA A120-162
COBRA A120-162
C412-E1-1
22
COBRA A120-162 C412-E1-1
COBRA A120-162 23
