Dyna-Force® Clamps

Measurements Available: Metric

dynaforce_clamp_thumb

Dyna-Force® Clamps

The majority of the Dyna-Force® clamp is below the surface of the fixture which provides excellent clamp support and makes for a very low profile. The clamp jaw slides on an angle for positive downforce.

The clamp jaw is available with smooth or serrated faces.

The support surface of the Dyna-Force® clamp can be installed flush with the fixure plate or raised to hold the workpiece off the fixture, enabling drill-through.

  • Incredible Clamping and Hold Down Power
  • Low Profile, Compact Design
  • 17-4 PH Stainless Steel
  • Smooth or Serrated
  • Stainless steel screws and retaining rings are available for EDM applications

PATENT NO. 5964458

Metric

Part
No.
Clamp Jaw†
& Hardness
A* B C D E F
Min
G
Opt.

Max
Clamp
Travel
Drive
Screw
Key
Size
Max
Torque
Holding
Force
Repl.
Clamp
Jaw Insert**
28314 CAD Smooth 34RC 20.00 24.90 19.00 19.90 4.50 13.50 3.25 5.00 6.75 2.0 M6x12mm 5mm 7.3 (Ft/Lbs)
9.9 (N.m)
2,000 (Lbs)
8896 (N.)
28480 (smooth)
28318 CAD Serrated 44RC 20.00 24.90 19.00 19.90 4.50 13.50 3.25 5.00 6.75 2.0 M6x12mm 5mm 7.3 (Ft/Lbs)
9.9 (N.m)
2,000 (Lbs)
8896 (N.)
28482 (serrated)
28320 CAD Smooth 34RC 25.00 29.90 24.00 24.90 5.00 15.00 4.50 6.50 8.25 2.2 M8x16mm 6mm 17.6 (Ft/Lbs)
23.9 (N.m)
2,600 (Lbs)
11565 (N.)
28484 (smooth)
28322 CAD Serrated 44RC 25.00 29.90 24.00 24.90 5.00 15.00 4.50 6.50 8.25 2.2 M8x16mm 6mm 17.6 (Ft/Lbs)
23.9 (N.m)
2,600 (Lbs)
11565 (N.)
28486 (serrated)
28324 CAD Smooth 34RC 30.00 37.90 29.00 29.90 7.00 20.00 4.50 7.50 10.75 3.8 M10x18mm 8mm 35.3 (Ft/Lbs)
41.9 (N.m)
3,200 (Lbs)
14234 (N.)
28488 (smooth)
28328 CAD Serrated 44RC 30.00 37.90 29.00 29.90 7.00 20.00 4.50 7.50 10.75 3.8 M10x18mm 8mm 35.3 (Ft/Lbs)
41.9 (N.m)
3,200 (Lbs)
14234 (N.)
28490 (serrated)
NOTE: Body Mounting Screw (see “H” below) not included
†Smooth jaw only will have relief cut
*Body diameter
**Clamp Jaw Drive Screw and Retaining Ring Included.

Dyna-Force® Installation

  • Bore ℄ of the hole "L" distance from edge of workpiece.
  • Drill and tap "H" to mount clamp in pocket.
  • Machine counter bore if recessing clamp into fixture.
  • Provide a back stop to locate the part.
NOTES:
  • "N*" – To have rest pad flush with fixture, use the dimension provided. To have the
    rest pad above the fixture surface, reduce the depth accordingly.
  • For dimensions I and J, use a tolerance of +.1/-0mm. For dimension L and O,
    use +.1/-.1mm.

Height of Jaw in Relation to ℄ of bore
from edge of workpiece.

Height of Jaw
G
20mm
L
25mm
L
30mm
L
3.25 5.91
3.50 5.77
3.75 5.62
4.00 5.48
4.25 5.33
4.50 5.19 6.81 8.78
4.75 5.05 6.66 8.63
5.00 4.90 6.52 8.49
5.25 4.76 6.37 8.35
5.50 4.61 6.23 8.20
5.75 4.47 6.08 8.06
6.00 4.32 5.94 7.91
6.25 4.18 5.80 7.77
6.50 4.03 5.65 7.62
6.75 3.89 5.51 7.48
7.00 5.36 7.34
7.25 5.22 7.19
7.50 5.07 7.05
7.75 4.93 6.90
8.00 4.78 6.76
8.25 4.64 6.61
8.50 6.47
8.75 6.33
9.00 6.18
9.25 6.04
9.50 5.89
9.75 5.75
10.00 5.60
10.25 5.46
10.50 5.31
10.75 5.17

Example: 20mm clamp when CL of bore is 4.90mm from edge of workpiece
(L – see drawing on left): jaw height is 5.00mm

Part No. H* I J K L M N O
28314/28318 M5 x 10mm or 10-24 x .375” SHCS 25.00 20.00 6.00 4.90 5.00 4.50 20.00
28320/28322 M6 x 14mm or ¼-20 x .500” SHCS 30.00 25.00 6.50 5.65 6.00 5.00 25.00
28324/28328 M8 x 16mm or 5/16-18 x .625” SHCS 38.00 30.00 8.00 7.05 7.50 7.00 30.00

*Recommended minimum “under head” screw length.

Applications

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