Roper Whitney Punches
No. 34 Lever Press (Punch)
No. 34 Lever Press (Punch)
No. 34 Lever Press (Punch)
Diagram of #34 Punch
Auxiliary Attachments for #34 Punch

Roper Whitney Lever Press

The Roper Whitney Lever Press provides power press capacity with manual press economy for prototype and short run work. The large throat openings accommodate a wide variety of part sizes and shapes.

Maximum Rated Capacity: 8 Tons*

Dimensions:
Length, F-B (A): 44″
Height (B): 48″
Throat Depth (C): 24″
Open Height w/o Punch Holder (D): 6″
Die Height (E): 4″
Width, L-R (F): 18″
Throat Height at Ram: 10″
Length of Stroke: 1″
Ram Adjustment: 3/4″
Bed Plate Holes (C to C): 6¾”
Dia. of Punch Shank Hole in Ram: 1″
Depth of Punch Shank Hole in Ram: 1¼”
Slug Clearance: 3″ x 5″

Weight: 770 Lbs.

Linear Actuation

Included Standard Equipment:
Side gauge, depth gauge, one F8 and F28 punch holder, one No. 20 and No. 40 die adapter, F2 3/4″ die shoe, one 1/2″ round punch and die, one set stripper arms, A7 stripper plate, and 48″ bar handle.

* Refer to the tonnage chart below to determine if the rated capacity of this tool will accommodate the type and thickness of metal and the size and shape hole that you will be punching. Do not, under any condition, exceed the rated capacity of this tool.


Tons of Pressure Required to Punch Mild Steel
Round
Hole
Diameter
Ga. 20 18 16 14 12 11 10 3/16" 1/4" 5/16" 3/8" 1/2"
In. .036 .048 .062 .075 .105 .120 .135 .188 .250 .312 .375 .500
1/8" .4 .5 .6 .7 1.0 1.2 1.3 - - - - -
3/16" .5 .7 .9 1.1 1.5 1.8 2.0 2.8 - - - -
1/4" .7 .9 1.2 1.5 2.1 2.4 2.6 3.7 4.9 - - -
5/16" .9 1.2 1.5 1.8 2.6 2.9 3.3 4.6 6.1 7.8 - -
3/8" 1.1 1.4 1.8 2.2 3.1 3.5 4.0 5.5 7.4 9.2 11.1 -
7/16" 1.2 1.6 2.1 2.6 3.6 4.1 4.6 6.4 8.6 10.7 12.8 -
1/2" 1.4 1.9 2.3 2.9 4.1 4.7 5.3 7.4 9.8 12.3 14.8 19.7
9/16" 1.6 2.1 2.6 3.3 4.6 5.1 5.9 8.3 11.1 13.9 16.5 22.0
5/8" 1.8 2.4 2.9 3.7 5.1 5.9 6.6 9.2 12.3 15.4 18.5 24.6
11/16" 1.9 2.6 3.2 4.0 5.7 6.2 7.3 10.1 13.5 17.0 20.2 26.9
3/4" 2.1 2.8 3.5 4.4 6.2 7.1 7.9 11.0 14.7 18.5 22.1 29.5
13/16" 2.3 3.1 3.8 4.8 6.7 7.6 8.6 12.0 16.0 20.0 23.8 31.8
7/8" 2.5 3.3 4.1 5.1 7.2 8.3 9.2 12.9 17.2 21.5 25.8 34.4
15/16" 2.6 3.5 4.4 5.5 7.7 8.8 9.9 13.8 18.4 23.0 27.5 36.8
1" 2.8 3.8 4.7 5.9 8.2 9.4 10.6 14.8 19.7 24.6 29.5 39.4
1 1/2" 4.2 5.5 7.0 8.8 12.3 14.0 25.9 22.0 34.4 43.0 51.5 68.8
2" 5.6 7.5 9.5 11.7 16.4 18.8 21.0 29.5 39.3 49.0 59.0 78.5
2 1/2" 7.0 9.4 11.7 14.7 20.5 23.5 26.5 36.8 49.0 61.5 73.6 98.2
3" 8.5 11.3 14.0 17.6 24.5 28.2 31.7 44.2 60.0 76.5 88.4 118.0
3 1/2" 9.9 13.0 16.5 20.5 28.8 32.7 37.0 51.5 68.7 86.0 103.0 137.0
4" 11.3 15.0 18.8 23.5 32.8 37.6 42.2 60.0 78.5 98.0 188.0 157.0