HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts...
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Transcript of HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts...
![Page 1: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/1.jpg)
HST ToolpathsHST Toolpaths
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EnhancementsEnhancements
Summary10 HST Toolpaths
Smooth Entry and Exit Motions
Reduced Retracts
Toolholder Definition and Collision Check
Rest Machining and Slope Angles in HST Toolpaths
Tool Inspection
Toolpath Fillets
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What’s different with HST Toolpaths
New Parameter Tabs
Operations can now be copied with current settings and then change toolpath type (Core Roughing to a Waterline toolpath)
![Page 4: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/4.jpg)
What’s different with HST Toolpaths
New Parameter Tabs
When changing toolpath type any parameters that can be kept from the copied operation are kept.
![Page 5: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/5.jpg)
What’s different with HST Toolpaths
Quick View Settings
Quick View Setting keep info in sight through all parameter tabs so there’s no need to change tabs to get information.
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Toolpaths
Area Clearance
Area Clearance: Is a roughing toolpath for clearing out material in cavities, cutting from inside out.
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Toolpaths
Area Clearance
Notice that the toolpath starts from the inside out
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Toolpaths
Core Roughing
Core Roughing: Is a roughing toolpath for clearing out material that changes strategies from outside in for bosses and inside out for cavities.
![Page 9: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/9.jpg)
Toolpaths
Core Roughing
Notice the tool starts on the inside and works its way out for the cavity
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Toolpaths
Core Roughing
Notice the tool starts on the outside and works its way in on bosses.
Cut direction
Rapid
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Toolpaths
Core Roughing
Backplot of tool cutting outside and working its way in.
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Cut ParametersCut Parameters
Note: The cut parameters will change based on the toolpath type. When possible the same settings will be brought into the new toolpath type.
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Cut ParametersCut Parameters
Add cuts- Activates the adaptive stepdown feature, which add cuts at the shallow areas of the profile so that the toolpath does not have excessively large horizontal spacing between cutting passes
Min stepdown – Specifies the minimum stepdown value when Add cuts is activated. Passes will be no less than this distance from each other – in the z axis
Stepdown – Determines the Z spacing between adjacent cutting passes
Turn on the “Add cuts” option
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Cut ParametersCut Parameters
Max profile stepover – is the thickness of the scallop. If the thickness exceeds the .250 setting then a z cut is added to bring the thickness under the .250 setting.
Max profile stepover – Determines the maximum change in the surface profiles for two adjacent cutting passes. This represents the maximum value of the shortest horizontal distance between adjacent points on the two profiles.
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Cut ParametersCut Parameters
Notice the scallop thickness
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Cut ParametersCut Parameters
Max profile stepover
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Cut ParametersCut Parameters
Smoothing – Replaces sharp corners with an arc for faster and smoother transitions in the tool direction.
Turn on the “Smoothing” option
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Cut ParametersCut Parameters
Profile Tolerance – The maximum distance that the outermost profile of the smoothed toolpath that will deviate from the original toolpath
Offset tolerance – This is the same measurement as the profile tolerance but is applied to all of the profiles except the outermost one. This lets you maintain different tolerances for the subsequent profiles.
Max Radius – Enter the radius of the largest arc that you will allow Mastercam to insert to replace the corner. Larger arcs will result in a smoother toolpath but with greater deviation from the originally programmed toolpath
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Cut ParametersCut ParametersPossible to leave different amounts of stock for floor and wall surfaces.
Note: Can’t leave less stock on the walls than the floor
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Cut ParametersCut Parameters
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Rest roughing toolpath is used when you want to calculate the cutting passes from the stock left over from one or more previous roughing operations, similar to Restmill
Toolpaths
Rest Roughing
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Toolpaths
Rest Roughing
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Rest Roughing
Rest Material
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Rest Material
All previous operations - Calculates the remaining stock using all operations in the Toolpath Manager. This method determines the areas of stock where the tool did not go.
One other operation - Calculates the remaining stock using all operations in the Toolpath Manager. This method determines the areas of stock where the tool did not go.
Roughing tool - Calculates the remaining stock based on the diameter and corner radius of a tool.
Cad file – Uses an STL file to calculate where the tool can remove material
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Lists the current operations in the operation manager
Rest Material
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Stock resolution - Use a smaller value to tighten up the stock model and create a smoother restmill toolpath. Use a larger value to loosen the stock model and create a faster but rougher restmill toolpath.
Rest Material
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Adjustments to remaining stock
Use remaining stock as computed – No adjustment to the stock model
Adjust remaining stock to ignore small cusps – Use this setting to set the adjustment distance to reduce the stock model, this setting will find less
material to machine
Adjust remaining stock to mill small cusps – Use this setting to set the adjustment distance to increase the stock model, this setting will find more material to machine
Rest Material
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Adjustments to remaining stock
Adjustment distance - Enter a value to expand or reduce
the calculated stock model
Rest Material
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Roughing tool is a theoretical calculation.
Note: With the “Skip pocket” setting its possible to have the tool plunge into material with the “Roughing Tool” setting
Rest Material
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An STL file can be used to calculate remaining stock. Verifying a toolpath and then saving the stock as an STL may give a more accurate results.
Rest Material
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Rest Material machining in finish toolpaths
Rest Material
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Rest Material machining in finish toolpaths
All Finish toolpaths except Horizontal Area have a Rest Material option
Rest Material
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Toolpath without Rest Material off
Rest Material
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Toolpath with Rest Passes on
Rest Passes: The toolpath is calculated as a normal toolpath and only the areas that the Roughing Tool can’t reach are kept.
Rest Material
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Toolpaths
Waterline
Waterline is a constant Z finish toolpath (similar to contour)
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Toolpaths
Waterline
![Page 37: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/37.jpg)
Toolpaths
Scallop
Scallop is a 3D toolpath
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Toolpaths
Scallop
Notice the smooth entry and rapid motion
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Toolpaths
Horizontal Area
Horizontal is a finish toolpath for flat surfaces
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Toolpaths
Horizontal Area
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Toolpaths
Raster
Raster is a finish toolpath that cuts in one direction (like parallel)
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Toolpaths
Raster
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Toolpaths
Pencil
Pencil is a finish toolpath for cleaning up radii
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Toolpaths
Pencil
Toolpath motion
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Toolpaths
Spiral
Spiral toolpath is used to create cutting passes where the tool feeds into the part in a continuous spiral motion.
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Toolpaths
Spiral
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Toolpaths
Radial
Radial creates cutting passes that radiate outwards from a central point, used mostly on round parts.
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Toolpaths
Radial
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Smooth Stepovers between passes are automatically generated
What’s different with HST Toolpaths
Constant Z toolpath (Core Roughing)
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Stepovers
What’s different with HST Toolpaths
Between Passes
Constant Z toolpath
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Smooth Stepdowns are automatically generated
What’s different with HST Toolpaths
Between Z cuts
Constant Z toolpath (waterline)
`
Top View
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Step downs
What’s different with HST Toolpaths
Between Z cuts
Constant Z toolpath (waterline)
`
Front View
![Page 53: HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.](https://reader036.fdocuments.us/reader036/viewer/2022062312/5516c1f9550346f6208b5897/html5/thumbnails/53.jpg)
Stepdowns
What’s different with HST Toolpaths
Between Z cuts
Constant Z toolpath (waterline)
`
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Tool Inspection
Tool
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Tool Inspection
When toolpath reaches the liner distance or time the tool will retract
Note: The time is based on the feedrate
Tool
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Toolholder Definition & Collision Protection
3 Toolholder Libraries
www.CommandTool.com
Holder
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Toolholder Definition & Collision Protection
Over 50 pre-defined tool holders
Holder
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Toolholder Definition & Collision Protection
Holder
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Toolpath without Collision Check
Holder
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Toolpath with Collision Check
Front View
The toolpath only cuts where the tool can reach
Holder
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Toolpath without Collision Check
Toolpath with Collision Check
Front View
Holder
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Option to leave different amounts of stock on the walls and floors in all HST toolpaths
Cut Parameters
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Cut Parameters
Scallop
Each toolpath has its own settings, so a Raster toolpath with have different parameters
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Cut Parameters
Raster
UP Milling: Better finish in soft steels
Down Milling: Helps inserted cutters keep the inserts in the holders
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Cut Parameters
Raster
Scallop Height Calculator was added to Raster and Pencil toolpaths
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Cut Parameters
Pencil
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Cut Parameters
PencilUnlimited Step Over
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Cut Parameters
PencilUnlimited Step Over
Unlimited Step Over: The toolpath will first cut the outside passes then finish the pencil trace working towards the corner.
First part of toolpath
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Cut Parameters
PencilUnlimited Step Over
Second section of toolpath
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Cut Parameters
PencilUnlimited Step Over
3rd section of toolpath
4th section of toolpath
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Cut Parameters
PencilUnlimited Step Over
Completed Toolpath
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Two Entry Options, Helix and Profile
Transitions
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Smooth Entry and Exit Motion
Helix Entry
Transitions
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Smooth Entry and Exit Motion
Transitions
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Smooth Entry and Exit Motion
Radius value is calculated automatically from the cutter diameter
Helical Entry
Transitions
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If the helix can’t fit then the profile ramp is automatically used
Transitions
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Core Roughing
Ramp Entry
Helical Entry
Two entry methods with same setting
Transitions
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Smooth Entry and Exit Motion
Since the helix couldn’t fit, the profile entry is being used
Transitions
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Smooth Entry and Exit Motion
Transitions
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Smooth Entry and Exit Motion
“Skip pockets smaller than” -this solves the problem where a pocket is large enough to accommodate the tool, but the entry move is so compressed that the tool is effectively plunging into the part.
Transitions
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Smooth Entry and Exit Motion
Toolpath with no “Skip pockets smaller than”
Transitions
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Smooth Entry and Exit Motion
Toolpath with “Skip pockets set to .600”
Transitions
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Steep / Shallow
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Defined Slope Angle for all High Speed Toolpaths
Steep / Shallow
Angle options is used to only create cutting passes on those areas of the part that fall in the angle setting.
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Slope Angle
Note: Notice that entire part is being cut
Slope Angle
Steep / Shallow
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Slope Angle
Steep / Shallow
The cutting passes are being restricted to the angle settings
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Linking Parameters
Linking Parameters: Control the toolpaths air cuts.
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Waterline
Linking Parameters
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Minimum Distance: The cutter takes a direct route from one pass to another clearing the surface by the part clearance distance
Minimum distance Retract
Linking Parameters
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Minimum distance Retract
Minimum Distance: The cutter takes a direct route from one pass to another clearing the surface by the part clearance.
Linking Parameters
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Part Clearance
Linking Parameters
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Minimum Distance setting
Linking Parameters
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LeadsFinish Waterline
Linking Parameters
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Front View
Horizontal arc entry
.250 Setting
Smooth Entry and Exit Motion
Linking Parameters
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Horizontal arc exit
Top View
Smooth Entry and Exit Motion
Linking Parameters
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Toolpath Fillets
Toolpath Fillets: Theoretical fillets are created in sharp corners to keep the tool motion smooth and allow flat cutters to be used in roughing where fillets weren’t created in the model.
Arc filter / Tolerance
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Toolpath Fillets
Notice the sharp corner
No Toolpath Fillets used
Arc filter / Tolerance
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Toolpath Fillets
Notice the transition
Arc filter / Tolerance
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Toolpath Fillets
Notice the sharp corner
Arc filter / Tolerance
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Toolpath Fillets
Notice the stock that is left
Arc filter / Tolerance
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Toolpath Fillets
Notice the stock that is left
Arc filter / Tolerance
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Tools Supported
All Toolpaths Support 3 +2 Axis
CuttersFlat
Ball
Bullnose
TaperFlat
Ball
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EnhancementsEnhancements
Summary of what’s in HST Toolpaths
Smooth Entry and Exit Motions
Reduced Retracts and Rapid Motion
Toolholder Definition and Collision Check
Rest Passes and Slope Angles in all HST Toolpaths
Tool Inspection
Toolpath Fillets