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Form Tool Calculation Program
Form Tool Design Manual

FEATURES

  • Leads you through problems.
  • Eliminates long, complicated manual calculations.
  • Eliminates corrected diameter tables, charts, graphs, trig tables, and square root calculations.
  • Calculates any Circular Form Tool - regardless of Diameter, Offset or Top Rake.
  • Calculates any Flat Type Form Tool - regardless of Front Clearance Angle or Top Rake.
  • Can print out answers for a permanent record.
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FOR RESHARPENABLE QUICK CHANGE FORM TOOL INSERTS

All you need to do is enter:
• Front Clearance Angle = 12º
• Top Rake Angle = 5º
• Base Diameter of Part =

Then as you enter each part diameter, the program calculates the corrected step difference.
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FOR RESHARPENABLE QUICK CHANGE SHAVE TOOL INSERTS

All you need to do is enter:
• Front Clearance Angle = 0º
• Top Rake Angle = 0º
• Base Diameter of Part = .000",.125" or .500" depending on holder being used

Then as you enter each part diameter, the program calculates the corrected step difference.
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FOR CIRCULAR FORM TOOLS

All you need to do is enter:
• Tool Diameter ---
• Tool Offset Distance---
• Top Rake Angle---
• Base Diameter of Part---
Then as you enter each part diameter, the program calculates tool diameter and step difference.
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FOR FLAT TYPE FORM TOOLS

All you need to do is enter:
• Front Clearance Angle ---
• Top Rake Angle---
• Base Diameter of Part---
Then as you enter each part diameter, the program calculates the corrected step difference.
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FOR RADIUS PROBLEMS

All you need to do is enter:
• Enter any two of the three dimensions of a chord.
The program will calculate the third dimension.
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FOR TRIANGLE PROBLEMS

All you need to do is enter:
• Any two of the four dimensions of a right angle triangle.
The program will calculate the remaining two dimensions.
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Form Tool Design Manual


THE SOMMA FORM TOOL DESIGN MANUAL ANSWERS ALL THE QUESTIONS YOU WANTED TO KNOW ABOUT FORM TOOL DESIGNING

  • CHECKLIST
  • DRAWING
  • CALCULATING
  • DIMENSIONING
  • HELPFUL IDEAS
  • USEFUL TABLES
  • SELECTION TOOL MATERIAL
  • FORM TOOL GEOMETRY