Soft jaws

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Soft round jaws

What are the soft round jaws?

Soft round jaws

Soft round jaws are used for power chuck and scroll, and it is necessary for the workpiece to be held in place completely.It is also avaialble to prevent deformations and chatter mark which often occur when you cut thin workpiece.

Benefits

  1. Grip thin workpiece, boards, and parts shaped pipe without deformations.
  2. Easier to grip irregular shapes such as squares or polygons.
  3. Expand a great variety of applications by cutting out.

Grasp force of soft round jaws is different from soft chuck jaws.

Grasp force of soft round jaws is twice as much as soft chuck jaws. Oil pressure is half.

The grasp width of soft round jaws is different from chuck jaws.

Chuck jaws

Chuck jaws

Soft round jaws

Soft round jaws

  • 1.18 inches wide chuck jaws grip the workpiece from 3 ways, whereas soft round jaws wrap the workpiece in 120-degree quarter sector.
  • Also, soft round jaws complete paying attention to balance of high speed processing.

Lighten strain [120-degree soft jaws]

Processing strain of chuck jaws and our soft round jaws.

Great improvement of processing strain

Soft jaws for NC lathe. Illustration of strain theory.

Soft round jaws Soft chuck jaws
Soft round jaws

Soft round jaws are 120-degree quarter sector, therefore, even though a bigger workpiece is able to be curbed the occurrence of the strain.

Soft chuck jaws

Regarding soft chuck jaws , when a bigger workpiece is gripped, the percentage of the grasp width become small so the strain occurs.

Available for eccentric processing

Soft round jaws hold the variety of grasped parts.

Don't you process all shapes by only chuck jaws?

Actually, chuck jaws are the best only for the ... process.

Sometimes the chuck jaws causes the strain or chatter mark in the process of the thin or hollow workpiece. In that regard, sector jaws hold larger areas, and the balance of power become more equal than the chuck jaws , so it is useful to prevent chatter mark and strain.

Soft round jaws hold the variety of grasped parts.

Soft round jaws can be used for all types of workpiece.

Soft round jaws Soft chuck jaws

Workpiece (variety of processing)

Soft round jaws

Workpiece (variety of processing)

Soft chuck jaws

Comparison of numerical data

The good point of the soft round jaws

Before measuring, we checked wether they have no strain, and we measured the degree of aluminium cylinder processing by both the soft round jaws and the chuck jaws.

Before chucking Chucking
the soft chuck jaws
Chucking
the soft round jaws
Distortion : 0

Distortion : 0

Distortion : 2/100

Distortion : 2/100

Distortion : 0 No numeric change !

Distortion : 0
No numeric change !

TEKNIA GROUP

TEKNIA Co., Ltd.

Head office, Nagoya factory

3-459 Ematsu, Nakagawa-ku,
Nagoya city, Aichi, Japan
TEL.+81-52-303-3347
FAX.+81-52-303-3354

Aisai factory

5-1 Rokujutsubo, Nishiho-cho,
Aisai city, Aichi, Japan
TEL.+81-567-28-9051
FAX.+81-567-28-9050

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