ALFRA PRESS 250 - BONAB · Press frame with hydraulic cylinder and quick coupling, piston with anti torsion guard for use with all punch holders. Prod.-No. 03170. 3 Extras: Combined

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ALFRA PRESS 250

Stationary Punching Machine with single-acting cylinder

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ALFRA PRESS 250 Special Equipment: Laserpointer – Length and depth fence – support arms – tools – moveable support

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ALFRA PRESS 250 Hydraulic Punching Machine for quick punching of round, square, rectangular and specially formed holes without pre-drilling into conduit boxes and control cabinet doors. Easy change of tools Description: • Stable punching body with swivelling foot • Single-acting hydraulic cylinder • Ready for use with laser pointer to

optically indicate tool center • Different die holders available (also for

punching close to edges) • Serial punching possible Technical Data: Throat depth: 250 mm with fence 265 mm without fence Cylinder stroke: 50 mm Mouth width (between tools) 30 mm Punching power: F = 46 kN at 600 bar Weight without/with base frame: 50/110 kg Punching Capacity: Round holes from Ø 3,2 - 40,5 mm Square holes up to 28 x 28 mm Rectangular holes up to 22 x 30 mm or with a max. diagonal of 40 mm Machinable material thicknesses: Sheet metal F= 370 N/mm² up to 2,5 mm Stainless sheet steel F= 600 N/mm² up to 2,0 mm Aluminium F 22 up to 4,0 mm Punchable plastics up to 4,0 mm

ALFRA PRESS 250

Special Equipment: Laser pointer – Length and depth fence – tools – moveable support

Standard scope of supply: Press frame with hydraulic cylinder and quick coupling, piston with anti torsion guard for use with all punch holders. Prod.-No. 03170

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Extras: Combined length and depth fence, with two adjustable stops per axis. The fences in X-direction are hinged and are suitable as feed-up fences for serial punching. Prod.-No. 03177 Double jointed arms (in pairs) with two rubber layers each. Prod.-No. 03179

Double jointed arms Prod.No. 03179 Length- and width-fence Prod.-No 03177

Laserpointer, cpl. with power pack for connecting directly with hydraulic pump ALH 600/SP. Prod.-No. 03181 or Laserpointer, cpl. with power pack and plug for separate mains connection 230V/50Hz Prod.-No. 03182 Limit stroke stop (only in combination with Hydraulic Pump ALH-600) Prod.-No. 03183 Movable substructure Prod.-No. 03189

Laser pointer

Accessories: Punch holder with stripper and center pin for round punches Ø 3,2 - 30,5 mm with arbor shank. Prod.-No. 03171 Punch holder with stripper and center pin for round punches Ø 32,5 - 40,5 mm with arbor thread 19 mm. Prod.-No. 03172

Punch holder Punch holder for round punches for round punches with arbor shank with arbor thread

Die holder type I for dies Ø 3,2 - 22,5 mm for punching close to the edge areas. Prod.-No. 03174 Die holder type II for dies Ø 3,2 - 30,5 mm and square, rectangular or special shape tools up to 21 x 21 mm (max. diagonal of 30,5 mm) Prod.-No. 03175 Die holder type IV for dies Ø 30,6 - 40,5 mm and square, rectangular or special shape tools up to 28 x 28 mm (max. diagonal of 40,0 mm) Prod.-No. 03176

Type I Type II Type IV

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Tools for ALFRA PRESS 250

Round Punch with arbor shank Round Dies Round Dies for punch holder Prod.-No. 03171 for die holder type II for die holder type I Size Ø PG ISO Prod.-

No.

Size Ø Prod.-No.

Size Ø Prod.-No.

3,2 mm 03131 3,2 mm 03063 3,2 mm 03500

4,5 mm 03132 4,5 mm 03066 4,5 mm 03501

5,4 mm 03133 5,4 mm 03068 5,4 mm 03502

6,5 mm 03134 6,5 mm 03074 6,5 mm 03503

8,5 mm M 8 03135 8,5 mm 03076 8,5 mm 03504

10,5 mm M 10 03136 10,5 mm 03079 10,5 mm 03505

12,7 mm 7 M 12 03137 12,7 mm 03022 12,7 mm 03506

15,2 mm 9 03138 15,2 mm 03023 15,2 mm 03507

16,2 mm M 16 03139 16,2 mm 03084 16,2 mm 03508

18,6 mm 11 03140 18,6 mm 03024 18,6 mm 03509

20,4 mm 13 M 20 03141 20,4 mm 03025 20,4 mm 03510

22,5 mm 16 03142 22,5 mm 03026 22,5 mm 03511

25,4 mm M 25 03143 25,4 mm 03085

28,3 mm 21 03144 28,3 mm 03110

30,5 mm 03145 30,5 mm 03111 Round Punches with arbor thread

Round Dies

for punch holder Prod.-No. 03172 for die holder type IV 32,5 mm M 32 03146 32,5 mm 03165 37,0 mm 29 03158 37,0 mm 03166 40,5 mm M 40 03147 40,5 mm 03167

Special, square- and rectangular tools Spare Neoprene stripper Size Prod.-No. Prod.-No. Ø 22,5 mm with 4 Notches 03086 For punch holder 03171 03185 21,0 x 21,0 mm 03087 25,4 x 25,4 mm 03088 For punch holder 03172 03186 22,0 x 30,0 mm 03089

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Electro-hydraulic pump ALH 600 with hydraulic hose 1,8 m and quick coupling, foot switch with 2 pedals, 2 pressure control valves automatic rewind after punching procedure Prod.-No. 03190 The hydraulic pump can also be used for other applications, such as hydraulic punching, cutting, bending and pressing.

Electric mains: 230V/50Hz

Motor capacity: 0,25 kW Max. operating pressure: up to 700 bar Pump capacity: 0,4 l/min Oil quantity / utilisable: 1,16/0,5 l Class of rating: S 3 Weight: 24 kg Dimensions: l / w / h 350 / 220 / 470 mm To be used alternatively:

Electro hydraulic pump DSP 120 with 1,8 m hydraulic hose and quick coupling, 1 Hand switch, Prod.-No. 02027 Foot switch with 2 pedals

Prod.-No. 02029 The hydraulic pump can also be used for other applications, such as hydraulic punching, cutting, bending and pressing.

Electric mains: 230V/50Hz Motor capacity: 0,4 kW Max. operating pressure: 700 bar Pump capacity 0-20 bar: 2,0 l/min Pump capacity 20-700 bar: 0,2 l/min Oil quantity / utilisable: 1,2/0,8 l Weight: 7,5 kg Dimensions: l / w / h 260 / 140 / 280 mm Special tools being manufactured in our production

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