How do you calculate clamping force from torque?
Tightening torque values are calculated from the formula T = KDP, where T = tightening torque, lb-in.; K = torque-friction coefficient; D = nominal bolt diameter, in.; and P = bolt clamping load developed by tightening. lb. 2. Clamp load is also known as preload or initial load in tension on bolt.
How do you calculate clamping force?
Mold Clamping Force Formula (F: tf) The total projection area is the total of the projected areas of the cavities and runners in relation to the parting surface. Therefore, this value varies depending on the number of items molded and on the runner layout. 400 × (16.0 + 5.0) ÷ 1000 = 8.4 (tf).
How do you calculate torquing?
Torque Calculation A practical way to calculate the magnitude of the torque is to first determine the lever arm and then multiply it times the applied force. The lever arm is the perpendicular distance from the axis of rotation to the line of action of the force. and the magnitude of the torque is τ = N m.
How do you convert tension to torque?
The Torque/Tension Equation is a method used to estimate the torque/tension relationship in an assembly. T = (K D P)/12 can be used to developt a torque value that will achieve a certain tension or clamp load.
What is the clamping force?
The amount of force applied to a workpiece by closing and locking a clamp is called clamping force. It is an important calculation because it allows a clamp to have adequate capacity to resist external machining forces.
How do you calculate tension torque on a bolt?
How do you calculate the clamping force of a pneumatic cylinder?
Calculate the force — The theoretical force output of a cylinder is the product of the air pressure applied and usable piston area exposed to it, F = P × A, where F = force in lb, P = supply pressure in psi, and A = piston area in in. F = 141 lb.
How do you calculate torque from force?
The equation, Force = Torque ÷ [Length × sin (Angle)], converts torque into force. In the equation, Angle is the angle at which the force acts on the lever arm, where 90 degrees signifies direct application.
Is tension equal to torque?
“Torque” is simply a measurement of the twisting force required to spin the nut up along the threads of a bolt, whereas “Tension” is the stretch or elongation of a bolt that provides the clamping force of a joint. Torque wrenches provide this tension by the amount of rotational force they apply to the bolt.
How do you calculate the clamping force of a hydraulic cylinder?
Clamping force calculation formula F＝(P-Coefficient 1)/(Coefficient 2+Coefficient 3×LH) F：Clamping force P：Hydraulic pressure LH：Clamp arm length CTN06 with clamp arm length (LH) = 50 mm at hydraulic pressure of 7 MPa, Clamping force F is calculated by (7-1.34)/(0.971+0.00444×50)＝4.7 kN Do not use the clamp in the …
How do you convert torque to force?
The equation, Force = Torque ÷ [Length × sin (Angle)], converts torque into force. In the equation, Angle is the angle at which the force acts on the lever arm, where 90 degrees signifies direct application.
How to calculate the amount of torque needed?
Method 1 of 3: Finding Torque for Perpendicular Forces Find the length of the moment arm. The distance from the axis or rotational point to the point where force is applied is called the moment arm. Work out the force being applied perpendicular to the moment arm. The force applied perpendicular to the moment arm produces the greatest torque. Multiply the force times the distance to find the torque.
How do you calculate maximum torque?
Maximum Torque Formula for Induction Motor. The maximum torque is denoted by T m and occurs at s = R 2/X 2. The value of slip which corresponds to maximum torque is denoted by s m. So by substituting s = R 2/X 2 in full load torque expression, we get the maximum torque expression.
What is Bolt K factor?
K Factor. K Factor is a torque coefficient between bolt and receptacle. It is a function of the materials’ frictional characteristics, which are based on surface finish, coatings and so on.