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Forming Fundamentals for Press Brakes
Course Introduction
Course Introduction (2:07)
Part Design
Part Design Introduction (0:19)
Terminology: Flange vs. Leg (0:29)
Understanding Bend Allowance (0:53)
When to use the Bend Allowance Formula (0:24)
Bend Allowance Calculation - Explaining the 1.57 Constant (0:53)
Bend Allowance Calculation with 0.060" Radius (1:03)
Bend Allowance Calculation & Inside Radius Change (1:20)
How Bend Allowance Affects Blank Size (0:35)
Bend Allowance Calculation with 0.250" Radius (0:34)
Bend Allowance Calculation & Inside Radius Change (0:42)
Blank Size & Inside Radius Explained (0:25)
Bend Radius vs Tooling (0:45)
Chart Reference: Vee Die & Upper Die Radius (0:40)
Vee Die Opening Calculation (0:38)
Vee Die Opening - Alternative Calculations (0:49)
Blank Size vs Vee Opening Explained (0:17)
K-factor & Bend Allowance Relation (0:27)
0.4 K-Factor Effect (0:26)
0.3 K-Factor Effect (0:21)
0.4 vs 0.3 K-Factor Comparison (0:18)
K-Factor Demystification (0:22)
K-Factor vs Blank Size Increases Explained (0:16)
K-Factor Ranges Explained (0:25)
Transition to Forming (0:14)
Forming
Forming Section Introduction (0:14)
Types of Press Tooling (0:41)
Air Bending vs Bottom Bending Explained (1:41)
Air Bend Dies vs Bottom Bend Dies (0:35)
Calculating Vee Die Opening (0:53)
Chart Reference: Vee Die Opening (0:29)
Calculation of Minimum Flange Length (0:42)
Recommended Upper Die Radius (0:19)
Chart Reference: Upper Die Radius (0:15)
Calculate Vee Die Opening for 16ga (0:21)
Chart Reference: Vee Die & Tonnage Calculations (0:28)
Tonnage Calculations: Air Bend & Bottom Bend (2:04)
Chart Reference: Formability Factor (0:25)
Chart Reference: 0.250" Tonnage Calculation (0:44)
Maximum Tons Per Foot for Dies (0:40)
Relation of Filler Block to Lower Die (0:39)
Results
Results Section Introduction (0:10)
Sample Channel Part Revisited (0:18)
Chart Reference: Vee Die & Tonnage (16 ga) (0:18)
Flange Error (0:24)
Determining Flange Error (0:19)
Gage Allowance Definition (1:03)
Chart Reference: Same Material, Different Vee Die Openings (0:15)
Flange Error Comparison (0:39)
Part Tolerances and Adjustments (0:29)
1/4" Thick Part Examination (0:42)
Minimum Flange Dimension for 2" Vee (0:23)
Vee Die Opening vs Inside Radius vs. Flange Length (0:14)
Is the Part Within Tolerance? (0:19)
Part Tolerances (0:20)
Bringing It All Together (0:35)
Class Completion
Course Wrap Up & Survey (0:14)
Chart Reference: Vee Die & Tonnage (16 ga)
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