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Use accurate torque controls to improve quality! Case examples can be found in torque handbook 10

Semi-automatic Airtork

AC2

Power Torque Wrench/Assembly
RoHS markingSocket insertion part□9.53Socket insertion part□12.7

Assembly

Angle

Pneumatic

Graduation

Trigger

The pneumatic motor mounted on the torque wrench permits uninterrupted work from provisional tightening to final tightening. The AC2 series was upgraded to the AC3 series on May 21, 2018.

ACLS100N2 [Overall length 334 mm]

AC50N2 [Overall length 293 mm]

Application

  • For assembly and mass-production.

Features

  • Same features as A with high provisional torque tightening.
  • Regular tightening tasks using an impact wrench plus a torque wrench become part of a single process, greatly improving task efficiency.
  • Provisional tightening is applied using the air motor operation, and completed in high accuracy by manual torque wrench operation.
  • Accuracy improved with final tightening completed by manual torque wrench work.
  • Changing tightening torque is easy with the N・m unit scale.
  • Easy calibration with torque wrench tester.
  • LS version comes with limit switch. Thich creates error-proofing (Pokayoke) system when used with CNA-4mk3 count checker (sold separately).

Specifications

Accuracy ± 3%
S.I. MODEL AC25N AC50N AC100N - AC180N ACLS25N ACLS50N ACLS100N ACLS180N
TORQUE RANGE
[N・m]
MIN.~MAX. 5~25 10~50 20~100 - 40~180 5~25 10~50 20~100 40~180
GRAD. 0.25 0.5 1 - 2 0.25 0.5 1 2
METRIC MODEL A225C7 A450C7 A900C7 - A1800C A225C7LS A450C7LS A900C7LS A1800CLS
TORQUE RANGE
[kgf・cm]
MIN.~MAX. 50~250 100~500 200~1000 - 400~1800 50~250 100~500 200~1000 400~1800
GRAD. 2.5 5 10 - 20 2.5 5 10 20
AMERICAN MODEL AC200I-3A AC400I-3A AC750I-3A AC75F-3A AC130F-4A - - - -
TORQUE RANGE
[lbf・in/lbf・ft]
MIN.~MAX. lbf・in
50~200
100~400 200~800 lbf・ft
15~75
30~130 - - - -
GRAD. lbf・in
2.5
5 10 lbf・ft
1
2 - - - -
LIMIT SWITCH WITHOUT WITH
PROVISIONAL TIGHTENING TORQUE [N・m] 11 17.5 19.0 11 17.5 19
FREE ROTATION [r.p.m.] 1000 900 800 1000 900 800
APPLICABLE BOLT COMMON STEEL (M7) M8 M10 M12 (M7) M8 M10 M12
HIGH TENSION M6 M6(M7) M8 M10 M6 M6(M7) M8 M10
MAX. HAND FORCE [N] 139 278 420 500 139 278 420 500
AIR MASS FLOW [m³/min] 0.2 0.29 0.31 0.2 0.29 0.31
FASTENING AIR MASS FLOW [m³PC] 0.0012 0.0028 0.0046 0.0056 0.0012 0.0028 0.0046 0.0056
AIR INTAKE Rc(PT)1/4 G1/4B(PF1/4) Rc(PT)1/4 G1/4B(PF1/4)
NOISE LEVEL [dB(A)] 79
DIMENSION
[mm]
EFFECTIVE LENGTH L 198.5 238 400 198.5 238 400
OVERALL LENGTH L' 293 335 489 293 335 489
OVERALL HEIGHT H 82.4 95.5 109 82.4 95.5 109
SQ. DRIVE a 9.53 12.7 9.53 12.7
b 11.5 14.5 16.2 11.5 14.5 16.2
HEAD R 16 18.75 22.5 16 18.75 22.5
GRIP d 44 28 44 28
ℓ1 136 115 136 115
WEIGHT [kg] 1.0 1.5 2.0 3.3 1.2 1.7 2.2 3.5
Notes
  • Limit switch specification is AC/DC 30V below 1A.

  • Length of standard LS curly cord (when extended): Approx. 2m

 

Dimensions

AC(LS)25N2 to 100N2 models

AC(LS)180N

◆ How to order

[Tohnichi] [Model] Please specify.

[Example 1] Tohnichi AC25N2

[Example 2] Tohnichi ACLS100N2

◆ Things to remember when ordering

AC model: high provisional torque. Specific capacity of the limit switch: AC/DC30V, below 1A.

Use pneumatic sockets only.

Alternative product

AC3

Optional Equipment

Testers, checkers, calibration kits

DOT

TF

Download

Product Catalog

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Registration
Manuals

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Software

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Parts List

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Online Part Search System
How to Use
Piping/Air pressure and operating range

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Calculating the compressor capacity.

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Technical Data
4. Tightening Reliability

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5. Selection of Tightening Tools

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6. Torque Tools are Measurement Equipment

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