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Here is a feature comparison chart that shows the relative functionality of Seco vs GWizard Feeds and Speeds Calculator:
Feature  GWizard  Seco 
Machine Types  
Mill  Y  Y 
Lathe  Y  Y 
CNC Router  Y  
Metric and Imperial Units, Selectable by Field  Y  
FEEDS & SPEEDS FEATURES  
Automatic Tool Selection for CAM op  Y  
Automatic Tool Selection for CAM op using Tool Tables  Y  
Optimized Cut Depth for MRR  Y  
Optimized Cut Width for MRR  Y  
Optimal Combination of Cut Width and Cut Depth  Y  
Tool Rubbing Warning  Y  
Compute Slowest Feeds and Speeds without Rubbing  Y  
Chip Thinning Compensation  Y  
Calculates both Roughing and Finishing Passes  Y  
Slider Adjustment from Roughing to Finishing  Y  
Recommends Entry Method for CAM Toolpath (Plunge, Ramp, Helix)  Y  
Computes Entry Method Feeds & Speeds (Plunge Ramp Helix)  Y  
Recommends Coolant or Mist by Material  Y  
Automatically Scales Back if you exceed machine HP limits  Y  
Can adjust to a spindle power curve  Y  
Can optimize to a spindle power curve  Y  
Can automatically scale back if you exceed machine’s rigidity limits  Y  
Can automatically scale back if you exceed machine’s max feedrate  Y  
Adjusts for Material Alloy and Condition  Y  
Material DB Entries  1232  
Can Calculate a Chamfer Pass  Y  
Can Optimize to Control Tool Deflection  Y  
Cut Width  Y  
Cut Depth  Y  
Stickout  Y  
Tortoise Hare Slider  Y  
Will recommend stickout and warn of excessive stickout  Y  
Cut Depth warning when too deep for slitting saws  Y  
Can adjust Feeds and Speeds for Helical and Circular holes and bosses  Y  
Can adjust Feeds and Speeds for Ramping  Y  
Can adjust feedrate to minimize vacuum popoff  Y  
Can compensate for HSM and Trochoidal tool paths  Y  
Can adjust for Through Spindle, High Pressure, and Programmable Coolant Nozzles  Y  
Cheat Sheet will recommend which parameters to change to achive desired outcome  Y  
Will tell you whether to use Climb Milling or Conventional Milling  Y  
Will warn if your spindle’s minimum rpm is too high for the cut and will suggest work arounds to the problem.  Y  
Wiill tell you when you need a peck cycle or parabolic drill based on hole depth.  Y  
Will tell you the best twist drill point angle for your material  Y  
Will tell you if the material is not compatible with PCD tooling  Y  
Will tell you when you should drill a pilot hole  Y  
Will tell you when material is too hard to form tap  Y  
Will recommend a peck depth  Y  
Will tell the best drill size for a reamer  Y  
Will warn when you should’nt use the centerline of your cutter  Y  
Will warn to use less than 4 flutes in nonferrous metals  Y  
Will compensate for effective diameter on ball noses and such.  Y  
Will compute Feeds & Speeds for Plunge Roughing  Y  
TOOL TYPES  
Carbide Tools  Y  Y 
HSS Tools  Y  Y 
Cobalt Tools  Y  Y 
PCD Tools  Y  
Tool Coatings Handled  9  
End Mill Tip Types  
Normal  Y  Y 
Serrated (Corncob) Rougher  Y  Y 
Ballnose End Mills  Y  Y 
Lolipop End Mills  Y  
Chamfers and Countersinks  Y  
Corner Rounders  Y  
VBits  Y  
Dovetails  Y  
Router Downcut End mIlls  Y  
Router Compression End mIlls  Y  
Router Straight Flute End mIlls  Y  
Indexable Mill Tip Types  
Normal  Y  Y 
Serrated (Corncob) Rougher  Y  
Ballnose End Mills  Y  Y 
Lolipop End Mills  Y  
Chamfers and Countersinks  Y  Y 
Corner Rounders  Y  
VBits  Y  
Dovetails  Y  
Router Downcut End mIlls  Y  
Router Compression End mIlls  Y  
Router Straight Flute End mIlls  Y  
Twist Drills  Y  Y 
Parabolic Drills  Y  Y 
Indexable Drills  Y  Y 
Spot Drills  Y  
Center Drills  Y  
Spade Drills  Y  
Gun Drills  Y  
Reamers  Y  Y 
Form Taps  Y  Y 
Cutting Taps  Y  Y 
Thread Mills  Y  Y 
Boring Bars  Y  Y 
Saws & Woodruff Cutters  Y  
Annular Cutters (Rotabroach)  Y  
Turning Tools  
OD Turning  Y  Y 
Boring Bar for ID Turning  Y  Y 
Parting Off  Y  Y 
SinglePoint Threading  Y  Y 
Grooving Tools  Y  Y 
THREAD CALCULATOR  
Includes Full Featured Thread Calculations and Data for UN and ISO Threads  Y  
Optional FullFeatured Thread Calculator that adds many more thread families  Y  
Tap Drill Sizes by Thread %  Y  
OTHER FEATURES  
Includes Tool Inventory management features  Y  
Will manage your ToDo list for you using Pomodoro time management  Y  
Includes a full range of Geometry Calculators  
Right Triangle  Y  
Oblique Triangle  Y  
Bolt Circles  Y  
Dovetails: Measurement with pins  Y  
Tapers: Includes a list of standard tapers you can plug in  Y  
Chamfer/Drill: With special calculators for center drill, spot drill, twist drill, and countersink  Y  
Circle Chords  Y  
GD&T True Position  Y  
Distance Between Points  Y  
Polar / Rectangular Coordinate Conversion  Y  
Turner’s Cube Dimensions: Fun one!  Y  
Fits and Tolerances: Sliding Fits, Press Fits, and all the rest.  Y  
Gage Block / Sine Bar: Tells which blocks from the set make up a given size. And for the sine bar, what is the length and gage bar stack up to make that length.  Y  
Ball Gages: Calculate all sorts of interesting things when you drop a ball bearing into a hole.  Y  
Includes Many Quick Reference Resources for Machinist  
Drill Chart showing all the standard sizes of Twist Drills and End Mills.  Y  
Fasteners Chart with data on Socket Head Cap Screws, 82 Degree Flat Head Cap Screws, 100 Degree Flat Head Cap Screws, and Metric Flat Head Cap Screws.  Y  
Weights and Volumes for all standard sizes of structural steel. You can choose the material as well as add cost information to calculate price quotes.  Y  
Thermal Expansion Calculator  Y  
Electrical Page with Ohms Law Calculator and Resistor Color Codes chart.  Y  
Servo and Stepper Motor Sizing Calculations for DIY CNC’ers.  Y  
G and MCodes  Y  
Hardness Calculator with conversions between all standard hardness measures.  Y  
Tool Rigidity Calculator  Y  
Chatter Calculator: Can you tell you what spindle rpms will minimize the chatter.  Y  
GD&T symbol reference  Y  
Notebook so you can add web pages to your reference materials  Y  
FullFeatured Scientific Calculator with Fractions and Unit Conversion  Y 

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Bob is responsible for the development and implementation of the popular GWizard CNC Software. Bob is also the founder of CNCCookbook, the largest CNCrelated blog on the Internet.