Industrial Tools
Torque Systems

Tohnichi MNTD Marking Torque Screwdriver

Capacity 120 / 260 / 500 cNm

Colour Marking Preset Clicker Torque Driver

 

A world first! When the set torque is achieved, it automatically marks evidence of proper tightening on the heads of small screws and bolts. It determines whether tightening has been missed by detecting the presence or absence of marks, at the end of the manufacturing process and after shipping. MNTD series Error-proofing (Pokayoke) torque drivers mark small screws and bolts after tightening, as a human tightening error countermeasure.

 

It is common to use a pen to mark work after tightening with a torque screwdriver, but with a Tohnichi marking tool the two actions are combined into one, improving productivity. When set torque is achieved, marking is done automatically, eliminating the possibility of an operator otherwise forgetting to mark work.

 

Clearly identifiable marks provide evidence of tightening to the required torque, and this evidence remains even after manufacturing and shipping. Markings on bolt and screw heads can be detected in image form using an industrial level CCD camera, permitting unmanned inspections.

 

One marker (sold separately) can mark about 1,000 times. Selection of two colors: red and blue. Marker positioning is adjustable to accommodate a wide variety of bolts and screws. Lineup includes a total of 7 types of Phillips (+) and hex bits for MNTD series products (sold separately).

 

Features

 

  • Obvious marking on pan, flat and binding head screws.
  • Suitable for precision equipment assembly by non-rotary mechanism.
  • Approx. 1 000 shots per marker. Easy replacement with disposable marker.
  • Selection of two colors, red and blue.
  • Total 7 types of bits available,
    – Phillips #1 / #2 / #3.
    – Hexagon W 2.5 / 3 / 4 / 5 mm.
  • Possibility to level up inspection system with CCD camera.
  • Accuracy and calibration procedures compliant with EN ISO 6789 type II class E.
  • Preset torque on request.

 

Scope of Supply

 

  • Torque Driver MNTD
  • Resin grip green (only for 120CN and 260CN)
  • Auxiliary T-handle (only for 500CN)
  • Traceable calibration certificate (JCSS)
  • Operating instructions

 

Options / Accs / Spares

  • Special Bits:
    - T286101 = No. 1601 – Phillips P1
    - T286102 = No. 1602 – Phillips P2
    - T286103 = No. 1603 – Phillips P3
    - T286111 = No. 1611 – Hexagon W 2,5
    - T286112 = No. 1612 – Hexagon W 3
    - T286113 = No. 1613 – Hexagon W 4
    - T286114 = No. 1614 – Hexagon W 5

  • Marker:
    - T286121 = No. 1621 – red (Pk 10)
    - T286122 = No. 1622 – red (Pk 100)
    - T286123 = No. 1623 – blue (Pk 10)
    - T286124 = No. 1624 – blue (Pk 100)

  • Preset Hook Spanner:
    - T288052 = No. 52 – for MNTD120CN
    - T288053 = No. 53 – for MNTD260CN
    - T288054 = No. 54 – for MNTD500CN

  • Coloured Resin Grip:
    - for MNTD120CN = No. 850 / for MNTD260CN = No. 856 – orange
    - for MNTD120CN = No. 851 / for MNTD260CN = No. 857 – grey
    - for MNTD120CN = No. 852 / for MNTD260CN = No. 858 – black
    - for MNTD120CN = No. 853 / for MNTD260CN = No. 859 – green
    - for MNTD120CN = No. 854 / for MNTD260CN = No. 860 – red
    - for MNTD120CN = No. 855 / for MNTD260CN = No. 861 – blue

 

Notes

 

  • Special bits and markers are required during use. Select the body, special bits and marker that suit your purposes, then place your order.
  • Use screws and bolts with head diameters of at least 5.5 mm.
  • Cannot mark locking bolts or screws with hex holes.
  • Black screws and bolts may reduce mark visibility. If you consider adopting this system, we recommend that you first conduct tests.
MNTD (preset)
Model Item No. Torque Range [cN·m] Torque Range [lbf·in] Length [mm] Diameter [mm] Weight [kg] Hex Drv [inch]
MNTD120CN T202225 40 - 120 3.5 - 11 150 24 0.22 1/4
MNTD260CN T202226 100 - 260 8.9 - 23 152 30.5 0.32 1/4
MNTD500CN T202227 200 - 500 18 - 44 168 33 0.43 1/4

Table showing specifications by the manufacturer. It is recommended to primarily use in moderate performance range (approx. 1/3 to 4/5 of rated capacity). If you regularly worked close to the limit of load (maximum capacity), a larger model or tool might be more advisable.

 

All technical data without guarantee, errors and omissions excepted.

 

 

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