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Kitagawa Original Bland Promano

3-jaw parallel gripper NTB series

New 3-jaw parallel gripper with through-hole

NTB seriesズーム

NTB series

  • Swarf protection and maintenance improved
  • High gripping force for stable gripping of heavy work piece
  • Lightweight and compact body not limiting load capacity of robot
  • New mounting style for smaller protrusion compared with conventional models
  • Improved gripping accuracy due to highly rigid body

How to order

NTB series
  • Please install a check valve in the air-pressure circuit so that the gripper will not release a workpiece even if the air pressure drops down.

  • A reed switch bracket is attached.

  • In case proximity switches are used for direct detection of jaw stroke, please purchase proximity switch brackets additionally.

  • The material of internal seals of grippers is nitrile rubber. If the fluororubber seals are needed, please consult Kitagawa distributor.

Specifications

ModelJaw Stroke
Diameter
(mm)
Through-hole
Diameter
(mm)
Measurement
Distance
L(mm)
Gripping Force (Note 1)Repeatability
(mm)
Mass
(kg)
Air
Consumption
per
reciprocating
(cm3)
Air pressure
(MPa)
Operating
Temperature
(℃)
OD Gripping
(N)
ID Gripping
(N)
NTB309 12 14.3 10 846 1091 ±0.015 0.70 38.0 0.2~0.8 5~60
NTB311 16 25 20 1269 1613 ±0.015 1.20 80.4 0.2~0.8 5~60
NTB313 20 29.9 20 2766 3211 ±0.015 2.10 190.1 0.2~0.8 5~60
  • Value at supply air pressure 0.6 MPa.

    Option

    Gripping force

    Click the model number and the gripping force diagram will be displayed. The gripping force, F is a product of the actual gripping force per jaw, F1 and the number of jaws (F = F1 x 2)

    NTB309
    NTB311
    NTB313
    • NTB309
    • NTB311
    • NTB313

    Drawing download

    Model Drawing download
    NTB309 PDF DXF 3D
    NTB311 PDF DXF 3D
    NTB313 PDF DXF 3D

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