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TORQUE CONVERSION FORMULAE AND FACTORS. Accepted formulae relating torque and tension, based on many tests are...-. FOR METRIC SIZES.
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.
For any given output torque demand, for example, for a given vehicle speed on a given grade, slip increases with the loose converter, as shown in Figure 3. This means that loss increases as well (see Figure 4b). In contrast to a clutch, a torque converter can multiply engine torque.
If you wish to calculate a specific input value that isn’t listed on the attached chart, divide the desired output torque by the multiplier’s torque ratio (13.6) to determine the input torque required (e.g. 1360 Lbf-ft ouput torque ÷ 13.6 torque ratio = 100 Lbf-ft input torque). 6. MANUAL OPERATION.
Geared Head Multipliers with Plate Reaction. Some models feature a replacement square drive to protect components by automatically shearing when rated output is exceeded by 3% to 10%. All models include an input/output conversion chart in ft. lb. and N•m.
Torque multipliers mean a reduction in the lever length or operator effort by a factor of 5, 25 or 125. Space Limitation - The use of a long lever may be impossible due to restricted space. Accuracy - Torque will be applied most accurately when it is applied smoothly and slowly.
The chart representation elucidates the principle of torque multiplication. Let us assume a 60 N·m input torque and a 240 N·m output torque. 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
