Form Holding Clamps

Form Holding Clamps

Form Holding Clamps with a machinable jaw are perfect for irregular-shaped workpieces.
Simple workholding on external/internal form eliminates the need for custom fixtures.

Product Video

Product Video

FORM HOLDING CLAMPS

Product Video

Demonstration

External Form Holding

Clamping stroke: 0.3mm in diameter

The cam cylinder is tightened, the central bottom part of the jaw is pulled down.

At the same time the 8 jaw sections tilt toward the center for clamping.

Clamping Force
Jaw diameter
φ65
φ90
φ120
φ160
Max. Clamping Force
4.5kN
7kN
10kN
12kN
  • 1.Prepare the jaw

    1.Prepare the jaw

  • 2.Machine the jaw

    2.Machine the jaw

  • 3.Mount a workpiece

    3.Mount a workpiece

  • 4.Tighten the cam cylinder

    4.Tighten the cam cylinder

Internal Form Holding

Clamping stroke: 0.3mm in diameter

The cam cylinder is tightened, the tapered screw is pulled down. At the same time the 8 jaw sections expand for clamping.

Clamping Force
Jaw diameter
φ65
φ90
φ120
φ160
Max. Clamping Force
4.5kN
7kN
10kN
10kN
  • 1.Prepare the jaw

    1.Prepare the jaw

  • 2.Machine the jaw

    2.Machine the jaw

  • 3.Mount a workpiece

    3.Mount a workpiece

  • 4.Tighten the cam cylinder

    4.Tighten the cam cylinder

Application Example

Clamping Low Profile Workpiece

Clamping Low Profile Workpiece

Internal Form Holding Jaw

Can clamp thin workpiece by distributing the Clamping Force through 8 jaw sections.
Note to controll the tightening torque using adequate tools in reference to the data provided by the performance curve.

Clamping Multi-piece

Clamping Multi-piece

External Form Holding Jaw

Small cylindrical body allows the multi-piece clamping in limited space.

Fixture for Temporal Job

Fixture for Temporal Job

External Form Holding Jaw

Can be mounted on the existing vise by attaching the clamp on plate.

Fixture for Turning Lathe

Fixture for Turning Lathe

External Form Holding Jaw

Can clamp odd shape that a chuck does not clamp.

Case Study

CASE 1 Multiple workholding on 5-axis machining center with compact OD clamps!

KINKI KOGYO inc.

KINKI KOGYO inc. who produces hydraulic cylinder components and various other metal parts, uses IMAO's Form Holding Clamps for various workpieces on their 5-axis machining center. This machining center was introduced to perform fully automated machining, and used to machine hydraulic cylinder parts made of steel and stainless steel.

In the past, only a single workpiece could be clamped using several types of vises or dedicated fixtures. This required them to purchase a large number of vises, which was expensive and also time consuming to set up.

To solve this problem, KINKI KOGYO introduced Form Holding Clamps. They placed four clamps onto one fixture plate to clamp multiple workpieces at a time. This allowed them to increase machine operating time at night.

KINKI KOGYO has plans to replace the jaws to clamp various types of workpieces. They are satisfied with the high clamping force of Form Holding Clamps which is resulting from the collet-shaped design. They are also pleased with its compact size that allows multiple installations, and the flexibility that can clamp both inside and outside of workpieces just by changing the jaws.

Lineup

How To Use

How To Use

Can be clamped by tightening the Cam Cylinder for 90°.

Repeatability

Repeatability

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