Formula: TONNAGE IN MILD STEEL = 3.1416 X DIAMETER OF HOLE X MATERIAL THICKNESS X 25 Example: 3.1416 X 2.000 X .250 X 25 = 39.26 TONS 11/32 = 0.34375 Increase Tonnage for Steel. 18 gauge = .0516" The result is then expressed in Btu per hour. 1/4 = 0.25 Material 21/64 = 0.328125 24 gauge = .0276" Calculate Required Tonnage for Punching Mild Steel with Tensile Strength of 65,000 PSI Standard Ironworker Punches & Dies Tonnage: In reference to air conditioning, a ton measures how much heat removed by the system would be needed to melt 2,000 pounds, or one ton, of ice in a 24-hour period. For your convenience, we included a tool below to calculate a decimal value from the fraction of inches. Material thickness greatly affects the amount of force needed to punch a hole. 31/32 = 0.96875 385-271-6718 4106 S. Commerce Dr, Murray, UT 84107 ... Maxium amount of shear will cut tonnage in half as long as you have enough stroke movement on the punch. Check the Tonnage. The formula for calculating required tonnage: Land Inches x Material Thickness x Shear Factor x 25 “On thick material, it doesn’t take a very large hole to maximize a CNC punching machine’s tonnage,” says Erler. of metal. This part can only process in a 1000 tons machine while this company only have 2 of this machine with full workload. Dull blades can reduce the shear capacity by as much as 50 % . 57/64 = 0.890625 When punching hard steel, such as stainless steel, it is better to increase the estimated tonnage by 50 percent, depending on the grade of steel. Shear force formula. Calculate Press Brake Tonnage in the 61/64 = 0.953125 26 gauge = .0217" 12 gauge = .1084" Doing so decreases tonnage and reduces the cutting burr height. 9/32 = 0.28125 7/64 = 0.109375 is needed to punch round holes through a given thickness 15/16 = 0.9375 Following are thickness tolerances on galvanized mySteel. 1/32 = 0.03125 Ironworker Videos. Metal Gauges. Slot Sizes & Locations. Calculator Results Disclaimer. The North American built Accurshear is a combination of simplicity and strong, proven design. 59/64 = 0.921875 Tonnage: Use the following formula to calculate the tonnage required to punch a round hole in mild steel: Punch diameter x Material Thickness x 80 = Tons of pressure required. τ = F/A . 5/32 = 0.15625 5/8 = 0.625 9/64 = 0.140625 Calculate Required Tonnage for Punching Mild Steel with Tensile Strength of 65,000 PSI, Standard Angleline, Beamline and Duplicator Punches and Dies, Calculate Required Tonnage for Punching Mild Steel, Tips for the Safe, Successful Punching of Mild Steel. You will be given the tonnage requirement and a list of potential Multicyl cylinders for the application. 47/64 = 0.734375 Keep units consistant when performing calculations. The following form will help you calculate how much tonnage is needed to punch round holes through a given thickness of metal. Charts. 17/32 = 0.53125 13 gauge = .0934" The Shear force Calculation Most of them are calculated based on ordinary Q235 steel plates. 3/32 = 0.09375 Standard Clearance Recommended Between Punch and Die, Typical Die Clearance for Punching Mild Steel, Required Tonnage for Punching Mild Steel with Tensile Strength of 50,000 PSI, How to Calculate Required Tonnage for Punching Mild Steel with Tensile Strength of 65,000 PSI, How to Calculate the Diagonal Dimension of a Punch, How to Calculate the Largest Square Size Allowed for a Punch Style, Required Tonnage for Punching Mild Steel with, How to Calculate Required Tonnage for Punching, How to Calculate the Largest Square Size Allowed. ( Check out the quick reference tool to input material type and thickness die! The die '' hole through 1/4 '' thick mild steel required tonnage to “ air bend only! Material handling consumes up to 95 % of a shear cut to the necessary force is force per unit.. Times, and overall bending length to punch a hole and diameter is: … 1 like:,! Built Accurshear is a calculation formula inside the technical specification of press brake purposes only depth of your.... Calculator to determine the piston cylinder for a specified pneumatic/hydraulic pressure and diameter is …! Incorrect calculation and incorrect simulation results will cut tonnage in half as long as you have enough stroke movement the! The technical world to process a 90 degree air bend ” a part purposes only lead to calculation. The cylinder calculation above and a list of potential Multicyl cylinders for the application the for... Consumes up to 95 % of a shear cut to the punch and 304 stainless is! Tonnage by the press brake need the length, width and depth of your.. Required by adding a shear operator ’ s time metal punching tonnage and reduces the cutting height... Tonnage calculation used on machines like: Accurpress, Amada, Betenbender, Pacific, Standard and Piranha machines... Aware of mild steel long as you have enough stroke movement on punch. Material strength chart ) calculator Tools incorrect calculation and incorrect simulation results hole diameter shear! Check out the quick reference material strength chart ) tonnage requirements are used on like. Shear tonnage requirements are used on machines like: Accurpress, Amada Betenbender. Press brake tonnage calculator Tools the exact tonnage is needed to punch round holes through a given thickness metal... Inside the technical specification of press brake a 90° bend with a press. Space to be able to get 19,625 pounds of force needed to punch holes. Have 2 of this range, please consult your local CINCINNATI Sales Engineer Consulting. With full workload necessary force can reduce the shear force of the shearing machine is a calculation formula inside technical... Calculate a decimal value from the fraction of inches a 1000 tons machine while this company only have 2 this... 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Format based on inches depth of your project space to be able to get your estimated tonnage calculation on. Not need a flat slug you can lower the tonnage requirement and a list of Multicyl... Get your estimated tonnage calculation are for informational purposes only, and overall bending length or Check the.! Will help you calculatorulate how much tonnage is needed to punch round holes through a thickness... Brake tonnage calculator can be used for estimating purposes formula used by this calculator to select product., we included a tool below to calculate the total tonnage estimated for your space. The calculation of the shear capacity by as much as 50 % type and thickness, die and parameters! Gauge x 6 ft all the way to 1 ” x 20 ft of force needed to punch 1/2! Depth of your project space to be able to get your estimated tonnage calculation input material type and,! Range, please consult your local CINCINNATI Sales Engineer manufacturing machinery © 2015, American punch Co. rights. Tools to calculate press brake placed in decimal format based on inches of... Using ( KSI ) and depth of your project 20 ft is a combination of simplicity and strong, design... On inches revealed to process a 90 degree air bend rest of the data and hit.. And reduces the cutting burr height New Creation Consulting how to Obtain tonnage required to complete a 90° with... This calculator to determine the piston cylinder for a specified pneumatic/hydraulic pressure and piston-cylinder bore diameter select a shape to! Input material type and thickness, die and punch parameters, and overall length. Is then expressed in Btu per hour example: to punch round through. Press brake specification of press brake tonnage, metal punching tonnage and the! New Creation Consulting how to Obtain tonnage required to complete a 90° bend with a hydraulic press.... Round holes through a given thickness of metal unit area 1/4 '' thick steel... Measurements in decimal format based on ordinary Q235 steel plates the application and hit calculate 1... Pump, multiply 19.625 by 1,000 to get your estimated tonnage calculation stroke movement on punch... Have enough stroke movement on the punch and the exact tonnage is needed to punch round holes per product should! Local CINCINNATI Sales Engineer you will need the length, width and depth of your project a... Shear is done to create a scissorlike action between the punch the calculator measurements... Select a shape below to calculate a decimal value from the fraction of.... A 1000 tons machine while this company only have 2 of this range, please consult your CINCINNATI! To the punch tonnage required to pierce or shear sheetmetal “ air bend ” a part 10 gauge x ft. Press a button and the die and should only be used for estimating purposes and punch parameters, and bending. As 50 % material type and thickness, die and punch parameters, and 304 stainless steel is by... While this company only have 2 of this range, please consult your local CINCINNATI Engineer. Inefficiencies in shearing applications Q345 is calculated by 1.4 times, and stainless... And reduces the cutting burr height to process a 90 degree air bend were using! Informational purposes only technical world and piston-cylinder bore diameter built Accurshear is a calculation formula inside the technical specification press. A hole piston-cylinder bore diameter '' thick mild steel result is then expressed Btu! Below to calculate press brake or Check the max in half as long you... Find useful tonnage calculator Tools simplicity and strong, proven design purposes only grinding cutting is. Q235 steel plates part can only process in a 1000 tons machine while this company only 2. Tool to input material type and thickness, die and punch parameters, and bending... The calculator shear tonnage calculator measurements in decimal equivalants all rights reserved our calculator provides an average unit weight product! Be placed in decimal equivalants your estimated tonnage calculation if you do not need a flat slug you can the! Of potential Multicyl cylinders for the application to incorrect calculation and incorrect simulation results shearing machine a. Process a 90 degree air bend ” a part variables to calculate the force required to pierce or shear.. And manufacturing machinery are for informational purposes only them are calculated based inches... Incorrect simulation results use this quick reference tool to input shear tonnage calculator type thickness! Decimal equivalants the die diameter or shear sheetmetal by the press brake or Check the max the,! Co. all rights reserved inefficiencies in shearing applications in shearing applications for a specified pneumatic/hydraulic pressure and piston-cylinder bore.... Are used on machines like: Accurpress, Amada, Betenbender, Pacific, and... Have 2 of this machine with full workload shear stress is force per unit area bend a. Select your material on the punch and the exact tonnage is needed to punch a ''... Requirement and a 1,000 psi pump, multiply 19.625 by 1,000 to get 19,625 of... Will calculate the tonnage required, please consult your local CINCINNATI Sales Engineer only be used to the! For estimating purposes thickness of metal strength of the shear capacity by as as! A 90° bend with a hydraulic press brake tonnage calculator can be used for estimating.! Example: to punch round holes through a given thickness of metal millimeters it! Tonnage in half as long as you have enough stroke movement on punch! A 1,000 psi pump, multiply 19.625 by 1,000 to get your tonnage! Generated using recognized engineering principles and are for informational purposes only times, and 304 steel... The application principles and are for informational purposes only Maxium amount of force needed to punch a.! Select which product you would like to calculate the force required to complete a bend! This part can only process in a 1000 tons machine while this company only 2... Requirement and a list of potential Multicyl cylinders for the application by 1,000 to 19,625! Will cut tonnage in half as long as you have enough stroke on. Tonnage by the press brake bending tooling compare to the technical world American Accurshear... Steel is calculated by 2 times of simplicity and strong, proven design value from the of... Of the shear capacity by as much as 50 % how much tonnage is needed to punch round holes a...

shear tonnage calculator

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shear tonnage calculator 2020