Vogel Perf-Arc tools offer both low cost and versatility for your piercing applications.

These Perf-Arc single dimple piercing tools will pierce a dimpled hole on the top wall of a tube, in one stroke. Tools can be used individually, or in multiples, to pierce all holes in a part simultaneously.

  • D style units are designed to be bolted into a die set (not included)
  • DK style units are keyed top & bottom, for direct mounting into a press brake

Perf-Arc units contain the full circumference of the tube, so no OD bulging will occur. Units are self-stripping.

Each tool is made for a specific size tube and hole, up to maximums shown in charts below. Punches are easily sharpenable and may be swapped to change the hole size produced.

627D / 627DK Specs
1-1/4″ wide x 4-7/8″ front to back.  4-7/8″ shut height x 1-15/165″ stroke. Min. 10 tons

637D / 637DK Specs
2″ wide x 5-3/4″ front to back.  6-1/2″ shut height x 2-13/16″ stroke. Min. 15 tons

647D / 647DK Specs
2-1/4″ wide x 8″ front to back. 9-3/8″ shut height x 4-11/16″ stroke. Min. 20 tons.

SKU: N/A Category:
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Specify Your Perf-Arc Options

Vogel Perf-Arc tools offer both low cost and versatility for your piercing applications.

These Perf-Arc single dimple piercing tools will pierce a dimpled hole on the top wall of a tube, in one stroke. Tools can be used individually, or in multiples, to pierce all holes in a part simultaneously.

  • D style units are designed to be bolted into a die set (not included)
  • DK style units are keyed top & bottom, for direct mounting into a press brake

Perf-Arc units contain the full circumference of the tube, so no OD bulging will occur. Units are self-stripping.

Each tool is made for a specific size tube and hole, up to maximums shown in charts below. Punches are easily sharpenable and may be swapped to change the hole size produced.

627D / 627DK Specs
1-1/4″ wide x 4-7/8″ front to back.  4-7/8″ shut height x 1-15/165″ stroke. Min. 10 tons

637D / 637DK Specs
2″ wide x 5-3/4″ front to back.  6-1/2″ shut height x 2-13/16″ stroke. Min. 15 tons

647D / 647DK Specs
2-1/4″ wide x 8″ front to back. 9-3/8″ shut height x 4-11/16″ stroke. Min. 20 tons.

Additional information

Weight N/A
OD Max. Capacity

1-1/4", 2", 3"

Square Max Capacity

1-1/4", 2", 3"

Hole Max. Capacity

0.500", 0.750", 1.000"

Tool Width

1-1/4", 2-1/4", 2"

Description

Vogel Perf-Arc tools offer both low cost and versatility for your piercing applications.

These Perf-Arc single dimple piercing tools will pierce a dimpled hole on the top wall of a tube, in one stroke. Tools can be used individually, or in multiples, to pierce all holes in a part simultaneously.

  • D style units are designed to be bolted into a die set (not included)
  • DK style units are keyed top & bottom, for direct mounting into a press brake

Perf-Arc units contain the full circumference of the tube, so no OD bulging will occur. Units are self-stripping.

Each tool is made for a specific size tube and hole, up to maximums shown in charts below. Punches are easily sharpenable and may be swapped to change the hole size produced.

627D / 627DK Specs
1-1/4″ wide x 4-7/8″ front to back.  4-7/8″ shut height x 1-15/165″ stroke. Min. 10 tons

637D / 637DK Specs
2″ wide x 5-3/4″ front to back.  6-1/2″ shut height x 2-13/16″ stroke. Min. 15 tons

647D / 647DK Specs
2-1/4″ wide x 8″ front to back. 9-3/8″ shut height x 4-11/16″ stroke. Min. 20 tons.

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Available Options:

How much dimple can I expect?

It’s the question we get asked most. The amount of dimple these tools produce is based on many factors, including hole size in relation to tube ID, weld seam location, tube material and gauge, tooling sharpness, press speed, amount & type of lubrication used. For this reason, we cannot estimate the dimple you can expect. These tools are perfect when the exact amount of dimple is not critical and variation in dimple (i.e. as tooling dulls) will not impact part function, such as clearance holes, bolt holes, etc.

Can you send me samples for us to evaluate?

Because the amount of deformation will vary, as described about, we do not provide samples. We do not want to create an expectation of how much deformation will be produced, as you may experience more or less than any samples we might provide. If the maximum amount of deformation created is critical, you may wish to consider a custom built arbor piercing die, which supports the tube ID and prevents any deformation. Please contact us to discuss your application.

Will these tools pierce clean holes?

No. Clean hole piercing (no deformation to OD) can not be done with Perf-Arc tools. In order to prevent tube deformation, we will typically custom design and build a tool in a die set, with a mandrel to support the tube ID. Because of the custom nature of this type of equipment, please contact us and supply a print of your part so we can accurately quote an appropriate tool.

How do I set up these tools?

For the following models, 627 / 637 / 647 -we offer a variety of designs:

D style – one dimpled hole, designed to be installed into a die set
DK style – one dimpled hole, includes keys, top & bottom for mounting in a press brake
DD style – two dimpled holes, designed to be installed into a die set
DDK style – two dimpled holes, includes keys, top & bottom for mounting in a press brake

All the above tools have a top and bottom half that separate completely. They need to have their movement guided, so they come together properly as your press cycles.

Die Set mounted tools These tools have holes in the top and bottom for bolting into a die set. If you purchase multiple units, you can mount them with appropriate spacing and put in multiple holes at the same time. We do not normally sell or install the units, but we can recommend Danly, who is a mfg. of die sets.
Press brake mounted tools These tools have a 1/2″ wide key, top and bottom for installing directly into most press brakes. No die set is required.

We also offer the self-contained 629 / 639 / 649 units. These units have a flanged base with mounting holes. They can be bolted directly to the bed of your press or to a subplate. If you wish to install into a press brake, you will want to add a subplate with a keyed bottom.

Can I pierce more than one hole at once?

Yes, by purchasing multiple units you can put in multiple holes in one cycle of your press. Please note the left to right dimension for each tool. This is the minimum hole center-to-center distance that can be achieved by installing the units flush with each other.

Also note that with 627 / 637 / 647 units, because of the springs that compress during piercing, the tube will change vertical position during notching. You cannot mix D & DD style units in the same set-up. If you wish to produce a part that has dimpled holes on one wall and dimpled holes on both walls, purchase DD style units (double dimple) and simply remove one punch to create dimpled holes on only one wall.

Can I change my hole size or tube size?

With the 627 / 637 / 647 units, changing hole size is simple, just order additional punches (up to maximum capacity shown) and swap. Punches install with a set screw. To change the tube OD, we recommend purchasing a new tool. These tools can be used on various gauges, with no changeover, as long as the tube OD and hole size remain the same.

For the 629 / 639 / 649 units, changing hole size is more involved. In addition to a new punch, the lower clamp has an opening that functions as a die. The punch cuts against the lower clamp when piercing the bottom wall of the tube.

Parts required for various changeover are described below:

Change hole size – new punch / new lower clamp needed
Same hole size, change OD – new upper & lower clamps needed
Same hole size, same OD, change gauge – new lower clamp needed
dimple_chart.JPG

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