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| Feedback | Advertising See table below for how much clamping force is available from manual clamp straps of various sizes (with a 2-to-1 clamping-force ratio) to compare with power-clamp forces. Linear Force Calculate how much linear force a lead screw or ball screw can produce given the torque of a motor, the lead or ball screw efficiency, and pitch. B 513E If the load on a screw jack is 50000 lb, the lever-arm is 20 inches and the pitch equals 1/8 inches - the effort force can be estimated to F = ((50000 lb) (1/8 in)) / (2 π (20 in)) = 49.8 lb The torque acting on the screw can be calculated To begin with, it is necessary to know the definitions of the factors involved. Ball Screw Home Page. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. W = Weight of the body being lifted and. Use for axial load applications. parameters and the required force. The torque required to achieve this force with a dry bolt is calculated to 2022 Nm. The calculator is generic an can used for imperial and metric units as long as the use of units are consistent. 4950 East 49th Street, Cleveland, Ohio 44125. This Calculator Requires a JAVA enabled browser to function properly. Pitch P=1.25 mm=0.0125m, and 4. Axial Bolt "Clamp" Force This calculator is designed to calculate torque required to raise the load and torque required to lower the load for Acme Lead Screw according to ASME/ANSI B1.5-1988 standard. Radius R=4 mm=0.004m 3. The force acting in the lubricated bolt can be calculated as. µ = Coefficient of friction, between the screw threads and the stand threads.. As discussed earlier, since the calculations involved with a screw jack is similar and can be compared to that of an inclined plane, we can consider the external applied force to be horizontal. Calculate the forces acting on the bolted joint using our Bolt Pattern Force Distribution Calculator. The threads shear and the screw becomes a pin basically. 10-07-2010, 11:49 PM #3. motion guru. else Engineering Toolbox document.write(''); The clamping force on a bolt is defined as the compressive force a fastener exerts on a joint. When the nominal diameter (d 0) and the core diameter (d c) of the screw thread is given, then the mean diameter of the screw, d = (d 0 + d c)/2. INSTRUCTIONS: Choose units and enter the following: Leadscrew Square Thread (d m) This is the mean thread diameter (d c) This is the mean collar diameter (l) This is the lead (F) This is the load Engineering Videos ; load.