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This handbook covers operation and service instructions for the model TM-391 torque multiplier. 2. IMPORTANT INSTRUCTIONS. 2.1 Read and understand these operating instructions before using the Torque Multiplier. 2.2 DO NOT USE AN IMPACT WRENCH ON THE TORQUE MULTIPLIER. DAMAGE TO TOOL COULD OCCUR.
TORQUE CONVERSION FORMULAE AND FACTORS. Accepted formulae relating torque and tension, based on many tests are...-. FOR METRIC SIZES.
DESCRIPTION AND DESIGN FEATURES. 3.1 The TM-392 torque multiplier uses a planetary geared action to tighten and loosen nuts, bolts and cap screws with a continuous 360° rotation in either clockwise or counterclockwise direction. Input and output rotation directions are the same.
Working principle. torque - velocity. ue multiplication. Let us assume a 60 N·m input torque and a 240 . At a 1:4 ratio, 4 revolutions are needed at the input for 1 revolution with a 240 N·m torque to be obtained at the output. This is substantiated in terms of the physical formula: Power = torque x revolution.
In inch units, torque is usually measured as Lb-Ft (pounds feet) or Lb-In (pounds inch). The Torque Converter Calculator will allow you to convert Nm to LbFt or Lb-In or vice-versa.
This handbook covers operation and service instructions for the model TM-394 torque multiplier. To prevent accidental torque release, which could result in personal injury, the neutral positioning set screw (Fig. 2, Item 2) must be flush with the top of the housing whenever the torque multiplier is operated MANUALLY.
torque tension calculator is available on the Norbar website (www.norbar.com), which can be used as a guide to help calculate the tension generated in a bolt for a given thread size, torque and friction value.
