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HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining.

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Presentation on theme: "HST Toolpaths. Enhancements Summary 10 HST Toolpaths Smooth Entry and Exit Motions Reduced Retracts Toolholder Definition and Collision Check Rest Machining."— Presentation transcript:

1 HST Toolpaths

2 Enhancements Summary 10 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

3 Whats 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)

4 Whats different with HST Toolpaths New Parameter Tabs When changing toolpath type any parameters that can be kept from the copied operation are kept.

5 Whats different with HST Toolpaths Quick View Settings Quick View Setting keep info in sight through all parameter tabs so theres no need to change tabs to get information.

6 Toolpaths Area Clearance Area Clearance: Is a roughing toolpath for clearing out material in cavities, cutting from inside out.

7 Toolpaths Area Clearance Notice that the toolpath starts from the inside out

8 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.

9 Toolpaths Core Roughing Notice the tool starts on the inside and works its way out for the cavity

10 Toolpaths Core Roughing Notice the tool starts on the outside and works its way in on bosses. Cut direction Rapid

11 Toolpaths Core Roughing Backplot of tool cutting outside and working its way in.

12 Cut 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.

13 Cut 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

14 Cut 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.

15 Cut Parameters Notice the scallop thickness

16 Cut Parameters Max profile stepover

17 Cut Parameters Smoothing – Replaces sharp corners with an arc for faster and smoother transitions in the tool direction. Turn on the Smoothing option

18 Cut 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

19 Cut Parameters Possible to leave different amounts of stock for floor and wall surfaces. Note: Cant leave less stock on the walls than the floor

20 Cut Parameters

21 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

22 Toolpaths Rest Roughing

23 Rest Material

24 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

25 Lists the current operations in the operation manager Rest Material

26 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

27 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

28 Adjustments to remaining stock Adjustment distance - Enter a value to expand or reduce the calculated stock model Rest Material

29 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

30 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

31 Rest Material machining in finish toolpaths Rest Material

32 Rest Material machining in finish toolpaths All Finish toolpaths except Horizontal Area have a Rest Material option Rest Material

33 Toolpath without Rest Material off Rest Material

34 Toolpath with Rest Passes on Rest Passes: The toolpath is calculated as a normal toolpath and only the areas that the Roughing Tool cant reach are kept. Rest Material

35 Toolpaths Waterline Waterline is a constant Z finish toolpath (similar to contour)

36 Toolpaths Waterline

37 Toolpaths Scallop Scallop is a 3D toolpath

38 Toolpaths Scallop Notice the smooth entry and rapid motion

39 Toolpaths Horizontal Area Horizontal is a finish toolpath for flat surfaces

40 Toolpaths Horizontal Area

41 Toolpaths Raster Raster is a finish toolpath that cuts in one direction (like parallel)

42 Toolpaths Raster

43 Toolpaths Pencil Pencil is a finish toolpath for cleaning up radii

44 Toolpaths Pencil Toolpath motion

45 Toolpaths Spiral Spiral toolpath is used to create cutting passes where the tool feeds into the part in a continuous spiral motion.

46 Toolpaths Spiral

47 Toolpaths Radial Radial creates cutting passes that radiate outwards from a central point, used mostly on round parts.

48 Toolpaths Radial

49 Smooth Stepovers between passes are automatically generated Whats different with HST Toolpaths Constant Z toolpath (Core Roughing)

50 Stepovers Whats different with HST Toolpaths Between Passes Constant Z toolpath

51 Smooth Stepdowns are automatically generated Whats different with HST Toolpaths Between Z cuts Constant Z toolpath (waterline) ` Top View

52 Step downs Whats different with HST Toolpaths Between Z cuts Constant Z toolpath (waterline) ` Front View

53 Stepdowns Whats different with HST Toolpaths Between Z cuts Constant Z toolpath (waterline) `

54 Tool Inspection Tool

55 Tool Inspection When toolpath reaches the liner distance or time the tool will retract Note: The time is based on the feedrate Tool

56 Toolholder Definition & Collision Protection 3 Toolholder Libraries www.CommandTool.com Holder

57 Toolholder Definition & Collision Protection Over 50 pre-defined tool holders Holder

58 Toolholder Definition & Collision Protection Holder

59 Toolpath without Collision Check Holder

60 Toolpath with Collision Check Front View The toolpath only cuts where the tool can reach Holder

61 Toolpath without Collision Check Toolpath with Collision Check Front View Holder

62 Option to leave different amounts of stock on the walls and floors in all HST toolpaths Cut Parameters

63 Scallop Each toolpath has its own settings, so a Raster toolpath with have different parameters

64 Cut Parameters Raster UP Milling: Better finish in soft steels Down Milling: Helps inserted cutters keep the inserts in the holders

65 Cut Parameters Raster Scallop Height Calculator was added to Raster and Pencil toolpaths

66 Cut Parameters Pencil

67 Cut Parameters Pencil Unlimited Step Over

68 Cut Parameters Pencil Unlimited 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

69 Cut Parameters Pencil Unlimited Step Over Second section of toolpath

70 Cut Parameters Pencil Unlimited Step Over 3rd section of toolpath 4 th section of toolpath

71 Cut Parameters Pencil Unlimited Step Over Completed Toolpath

72 Two Entry Options, Helix and Profile Transitions

73 Smooth Entry and Exit Motion Helix Entry Transitions

74 Smooth Entry and Exit Motion Transitions

75 Smooth Entry and Exit Motion Radius value is calculated automatically from the cutter diameter Helical Entry Transitions

76 If the helix cant fit then the profile ramp is automatically used Transitions

77 Core Roughing Ramp Entry Helical Entry Two entry methods with same setting Transitions

78 Smooth Entry and Exit Motion Since the helix couldnt fit, the profile entry is being used Transitions

79 Smooth Entry and Exit Motion Transitions

80 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

81 Smooth Entry and Exit Motion Toolpath with no Skip pockets smaller than Transitions

82 Smooth Entry and Exit Motion Toolpath with Skip pockets set to.600 Transitions

83 Steep / Shallow

84 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.

85 Slope Angle Note: Notice that entire part is being cut Slope Angle Steep / Shallow

86 Slope Angle Steep / Shallow The cutting passes are being restricted to the angle settings

87 Linking Parameters Linking Parameters: Control the toolpaths air cuts.

88 Waterline Linking Parameters

89 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

90 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

91 Part Clearance Linking Parameters

92 Minimum Distance setting Linking Parameters

93 Leads Finish Waterline Linking Parameters

94 Front View Horizontal arc entry.250 Setting Smooth Entry and Exit Motion Linking Parameters

95 Horizontal arc exit Top View Smooth Entry and Exit Motion Linking Parameters

96 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 werent created in the model. Arc filter / Tolerance

97 Toolpath Fillets Notice the sharp corner No Toolpath Fillets used Arc filter / Tolerance

98 Toolpath Fillets Notice the transition Arc filter / Tolerance

99 Toolpath Fillets Notice the sharp corner Arc filter / Tolerance

100 Toolpath Fillets Notice the stock that is left Arc filter / Tolerance

101 Toolpath Fillets Notice the stock that is left Arc filter / Tolerance

102 Tools Supported All Toolpaths Support 3 +2 Axis Cutters Flat Ball Bullnose Taper Flat Ball

103 Enhancements Summary of whats 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


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