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News
Jun
8
Tech Tuesday: Advanced Feedrates
Posted by Al DePoalo on 08 June 2021 12:29 AM

Tech Tuesday is a weekly blog that addresses some of the most common questions and concerns that I hear throughout the previous week from users of BobCAD’s CNC software. Both customers and future customers are more than welcome to leave a comment on what they would like to see covered for the following Tech Tuesday.

 
Our new advanced feedrate options offer multiple feedrate adjustments and mapping to optimize tool motion. Eliminate dog leg moves, slow down material entry exit and link moves, volume based, radial chip thinning, surface radius and tool contact feed optimization, feed control zone and more!
 

Advanced Feedrates - CAM feature found in BobCAD-CAM V33

 
In our advanced feedrate page, you have the option to convert rapid moves to feed moves. That way, if you are not able to change the rapid rate at the controller you can essentially set your rapid rate in the G code. The rapid moves are changed to feed moves, and here you set that feedrate. The next setting is setting the link feedrate. This is where you can set the feedrate when the toolpath is linking between groups of geometry to speed up that process. Next are our adaptive feedrate options.
 

Adaptive Feedrates - CAM feature found in BobCAD-CAM V33

 
The standard setting uses the feedrate set in the tool page. The minimum feedrate percentage setting allows you to set a minimum feedrate to be used when the Adaptive or the Radial Chip Thinning option is in use. The maximum feedrate percentage setting allows you to set a maximum feedrate to be used when the Adaptive or the Radial Chip Thinning option is in use. The adaptive (volume based) setting enables an automatically adaptive feedrate of the tool depending on the engagement volume in the material. Minimum feedrate is applied in case of 100% tool engagement. Use the Min Feedrate percentage and the Max Feedrate percentage to set the desired range. The radial chip thinning option attempts to achieve a constant chip thickness by adjusting the cutting feedrate based on radial depths of cut. Radial chip thinning modifies the cutting feedrate based on toolpath curvature. Inside curves will use the Min Feedrate percentage, while outside curves will use the Max Feedrate percentage. Note: The adaptive option and the radial chip thinning option are only available when using the Advanced Pocket patterns in 2X and 3X pocket operations.
 
Download a demo of V33 today and try out Advanced Feedrate options today!
 
BobCAD-CAM has provided CAD-CAM CNC Software products to the global manufacturing industry for over 30 years. BobCAD-CAM software can be found to increase CNC productivity for many applications in aerospace, automotive, production manufacturing, mold making, general machining, woodworking as well as the medical manufacturing industry, consumer products, musical instruments, custom fabrication, defense industry and many others due to the products ability to automatically generate NC programming code for such a wide variety of CNC controllers. BobCAD-CAM software is also found in educational institutions throughout the world as well as independent hobby home use. Products include machining technology for 2, 3, 4 & 5 Axis CNC Milling, Routing, Waterjet, Plasma and Laser machines as well as 2 Axis CNC Lathe. BobCAD-CAM is modular allowing shops to start off at a reduced technology level and add technology as it is needed including an add-on, BobART, for artistic machining. Unique technology includes adaptive high-speed machining multiaxis milling and routing which is a first in the world of CAD-CAM software. BobCAD-CAM also provides a variety of quality training products that include regional and online training classes or private sessions tailored to specific applications. Professional certification and multi-tiered support solutions are available. Contact BobCAD-CAM directly for more information at 877-262-2231 or 727-442-3554


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Jun
1
Tech Tuesday: Barrel Mill Tool Support
Posted by Steven Soehl on 01 June 2021 12:15 PM

Tech Tuesday is a weekly blog that addresses some of the most common questions and concerns that I hear throughout the previous week from users of BobCAD’s CNC software. Both customers and future customers are more than welcome to leave a comment on what they would like to see covered for the following Tech Tuesday.

 
A new feature in V33, BobCAD-CAM now supports Barrel Mills for most operations. More and more companies are turning to Barrel Mills. Cutting with Barrel Mills can save an unbelievable amount of time and money. Until now, we’ve had no way to support these tools in your operations, but after working hand in hand with Melin Tool Company to test and retest, we can give you a product that puts this amazing tool in your hands. BobCAD-CAM offers four different types of barrel mill tools in 3 Axis milling and Mill 4 Axis Standard packages. Two additional barrel mill types can be utilized with the Mill 4 Axis Pro surface based toolpaths. See the diagram below to get an idea of why these tools are quickly becoming the standard.
 

Barrel Mill Tool Support - CAM feature found in BobCAD-CAM V33

 
In the diagram, you can see the smaller step over that is necessary for the ball endmill versus the barrel mill tool. Also the cusp height, or scallop height, is noticeably smaller when using the barrel mill tool. This means with the barrel mill tool, you will have less passes and a better tolerance on a part when using this toolpath down tapered walls. When programming with barrel mill tools, you can save time in machining and also cut your parts with a better tolerance level.
 
Here are the four different types of barrel mill tools that are now standard in V33:

four different types of barrel mill tools

 
With these types of tools, you can program a barrel mill tool with a much deeper step down and still leave the desired cusp height. It’s easy to see how these tool shapes can save so much time!
 
Download a demo of V33 today and try out Barrel Mill Tool Support!
 
BobCAD-CAM has provided CAD-CAM CNC Software products to the global manufacturing industry for over 30 years. BobCAD-CAM software can be found to increase CNC productivity for many applications in aerospace, automotive, production manufacturing, mold making, general machining, woodworking as well as the medical manufacturing industry, consumer products, musical instruments, custom fabrication, defense industry and many others due to the products ability to automatically generate NC programming code for such a wide variety of CNC controllers. BobCAD-CAM software is also found in educational institutions throughout the world as well as independent hobby home use. Products include machining technology for 2, 3, 4 & 5 Axis CNC Milling, Routing, Waterjet, Plasma and Laser machines as well as 2 Axis CNC Lathe. BobCAD-CAM is modular allowing shops to start off at a reduced technology level and add technology as it is needed including an add-on, BobART, for artistic machining. Unique technology includes adaptive high-speed machining multiaxis milling and routing which is a first in the world of CAD-CAM software. BobCAD-CAM also provides a variety of quality training products that include regional and online training classes or private sessions tailored to specific applications. Professional certification and multi-tiered support solutions are available. Contact BobCAD-CAM directly for more information at 877-262-2231 or 727-442-3554


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May
25
Tech Tuesday: Drill Tip Position
Posted by Steven Soehl on 25 May 2021 03:33 PM

Tech Tuesday is a weekly blog that addresses some of the most common questions and concerns that I hear throughout the previous week from users of BobCAD’s CNC software. Both customers and future customers are more than welcome to leave a comment on what they would like to see covered for the following Tech Tuesday.

 
There is a new feature in BobCAD for pocketing, Drill Tip Positions to define the pilot hole location for your pocketing cycles to start the tool in. Prior to versions being limited to a single position, V33 now supports multiple Drill Tip Positions (pilot hole locations) for a single pocket operation.
 
Did you know BobCAD now offers multiple pilot hole locations for pocket features? When cutting pockets sometimes it makes sense to drill a feeder hole for the pocket cycle to start in. Instead of ramping down, users drill pilot holes for the pocket cycle to start in. In the past if you had multiple pocket boundaries with pilot holes, you would need to create a machining feature for each pocket boundary to allow for multiple pilot hole starts. New in BobCAD’s pocket features is supporting multiple pilot hole locations for a single pocketing machining feature.
 
The workflow for the new Drill Tip Position feature is very simple. After you have completed your pocketing operation, you expand the operation in the CAM Tree. Right-click on the Drill Tip Position option below the pocket operation and click Select. Pick the points you want to create pilot holes in before starting your pocketing operation. Click OK, then compute the new toolpath for your pilot holes.
 
BobCAD now makes it easier to program pocketing cycles with multiple pilot hole locations. To define the pilot hole location (what we call the drill tip position in BobCAD) make sure to select points that the Z depth the holes were drilled to. A common workflow issue for new users is to select points that are at Z0, vs the absolute depth of the pilot hole. Make sure you select drill tip position points that at the Z level the pilot holes were drilled to.
 

Download our Free Trial and try it yourself!
 
BobCAD-CAM has provided CAD-CAM CNC Software products to the global manufacturing industry for over 30 years. BobCAD-CAM software can be found to increase CNC productivity for many applications in aerospace, automotive, production manufacturing, mold making, general machining, woodworking as well as the medical manufacturing industry, consumer products, musical instruments, custom fabrication, defense industry and many others due to the products ability to automatically generate NC programming code for such a wide variety of CNC controllers. BobCAD-CAM software is also found in educational institutions throughout the world as well as independent hobby home use. Products include machining technology for 2, 3, 4 & 5 Axis CNC Milling, Routing, Waterjet, Plasma and Laser machines as well as 2 Axis CNC Lathe. BobCAD-CAM is modular allowing shops to start off at a reduced technology level and add technology as it is needed including an add-on, BobART, for artistic machining. Unique technology includes adaptive high-speed machining multiaxis milling and routing which is a first in the world of CAD-CAM software. BobCAD-CAM also provides a variety of quality training products that include regional and online training classes or private sessions tailored to specific applications. Professional certification and multi-tiered support solutions are available. Contact BobCAD-CAM directly for more information at 877-262-2231 or 727-442-3554


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May
20
BobCAD V33 SP2 Released
Posted by Steven Soehl on 20 May 2021 11:29 AM
BobCAD V33 SP2 Released

 
The release of BobCAD V33 Service Pack 2 (Build 3871) includes corrections to the following areas of the software:
 

General Corrections

  • Corrected an issue which prevented a particular file from being saved as a .3dm file.
  • Corrected an issue in which prevented a Machining Cloud job with a special character in the name from opening.

 

CAD Corrections

  • Corrected an issue which caused text on a custom plane to move up in Z.
  • Corrected an issue which caused a crash if the Advanced Holes feature was selected with the TappingTable.XML file missing or renamed.
  • Corrected an issue which caused the state of the preview check box in the Align function to be mishandled when it was cleared, the function exited, and reentered. The preview would be shown even though the check box was still cleared.
  • Corrected an issue which prevented an angle dimension to be applied on certain geometries.
  • Corrected an issue which caused multiple Advanced Hole features in the CAD Tree to be combined when the CAD Tree was rebuilt.
  • Corrected an issue which prevented the pick by color function to select particular colors.
  • Corrected an issue which caused additional spaces between lettering on particular fonts.
  • Corrected an issue which prevented a particular file from being saved as an IGES, STEP, or 3DM.

 

CAM Corrections

General

  • Corrected an instance of a crash when resolving an imported Machining Cloud tool.
  • Corrected an issue which prevented pecking and fast pecking options from outputting the depth correctly for auto peck in the center drill operation.
  • Updated the Multiaxis Posting page to remove First Solution / Other Solution as these have been replaced by Solution Closest to 0 and Solution not Closest to 0.
  • Removed all holder associations from all tools in the default installed tool library.
  • Corrected an issue which caused a crash when attempting to read incomplete geometry from a machining cloud tool.

Probing

  • Corrected an issue which showed a spindle speed for probing operations in the Setup Sheet.
  • Corrected an issue which prevented the Apply to Document option in the settings dialog from affecting the Probing Machining Order being updated.

Mill Express

  • Corrected an issue which caused the depths of other groups in a hole feature to revert to the depth of the first group when computed.
  • Corrected an issue which caused the drag knife toolpath to create gouges on particular geometry.
  • Corrected an issue which caused parameters on a custom thread tool to revert to the default for that thread type.
  • Corrected an issue which caused a gap in toolpath with certain geometry.
  • Corrected an issue which prevented the Chain Start Point of a Profile Rough from being modified properly.
  • Corrected an issue which prevented stock orientation from being updated when an edge was selected to define the orientation.
  • Corrected an issue which prevented retracts from working with the Max Link Gap % in some cases when using the Zig pattern on a side roughing profile.
  • Corrected an issue which prevented a new group from showing as a selectable option in a thread feature.
  • Corrected an issue which caused drill tools with custom feeds and speeds set in the library to be set to zero when the file was reopened.
  • Corrected an issue which caused closing the Work Offset Pattern dialog with the X at the top right to reenter into the picking dialog if the picking dialog had been previously used.
  • Corrected an issue which caused the Final Contour of the Pocket operation to be handled as a separate operation by the Machining Sequence. The Machining Sequence no longer affects the order set in the Patterns of the Pocket operation.
  • Corrected an issue which caused custom geometry on a Mill Thread tool to preview incorrectly in the Tool Crib.
  • Corrected an issue which caused the wrong tool to be selected in the tool library when filtering was used.
  • Corrected an issue which prevented the entire value being highlighted when tabbing to Number of Passes in the Patterns page of the Profile Rough operation.
  • Corrected an issue which prevented a negative RPM value from outputting CCW spindle command.
  • Corrected an issue which caused an open chain when using an overlap amount on a profile.
  • Corrected an issue which prevented retracts between hole groups from being applied properly when changes to existing hole features would modify the existing hole groups.

Mill 3 Axis Standard

  • Corrected an issue which prevented proper toolpath on an open pocket in some instances.

Mill 3 Axis Pro

  • Corrected an issue which caused the default metric values of the Advanced Rough’s depth and stepover to be 6mm. This has been updated to default at 3mm.

Mill 3 Axis Premium

  • Corrected an issue which allowed users to select tools that did not work with the Steep Shallow operation. T-Cutters, Dove Mills, Lollipops, and Barrel Mill tools are now hidden from selection.
  • Corrected an issue which allowed users to select tools that did not work with the Multiaxis Roughing operation. T-Cutters, Dove Mills, Lollipops, and Chamfer Mill tools are now hidden from selection.
  • Corrected an issue which prevented the keyboard shortcuts which control the view from working when geometry selection dialogs were launched from the Multiaxis Wizard and the initial creation of the feature.

 

Lathe Corrections

  • Corrected an issue which caused the metric Constant Surface Speed to be unit converted unnecessarily.
  • Corrected an issue which prevented manually placed stl lathe tool models from being found in the …\Technology\ToolFile folder.
  • Corrected an issue which prevented system generated tools from having a label.
  • Corrected an issue which caused the chip break option to be shown in the groove operation.

 

Mill Turn Corrections

  • Corrected an issue which caused tools to be mounted to an adapter incorrectly when the turret base point was not at Y0.
  • Corrected an issue which caused pasted/loaded lathe features to retain the original job stock.
  • Corrected an issue which caused grooving tools imported in the tool library to be extruded in the wrong direction in the simulation.

 

Wire EDM Corrections

  • Corrected an issue with the wording of the options in the Machining Order dialog. The options were listed as Individual Feature, Individual Tool Per Machine Setup, and Individual Tool. These have been corrected to Individual Feature, By Operation Type, and By Sequence.

 

Simulation Corrections

Simulation Standard

  • Corrected an issue with several themes which caused a crash when clicking on the simulation tab while the simulation menu was hidden.

 

Posting Corrections

BCPst

  • Corrected an issue which showed the definitions of G18 and G19 being reversed in the posting documentation.
  • Corrected an issue which prevented end of operation blocks from being called after operations created by a toolpath pattern.
  • Corrected the default post processors so that mill jobs use the BC_3x_Mill.BcPst, Lathe jobs use the Single_Line.BcPst, and Mill Turn jobs use the BC_1T_1S.BcPst post. Also the Move List Coordinates of the Multiaxis Posting page all now default to Machine Compensation in Z only.
  • Corrected an issue which cause n_last_rough and n_last_finish to post incorrect line sequence numbers when the sequence increment is set to a value other than 1.
  • Corrected an issue which prevented a Turning Dwell from being output when the value was less than 1.
  • Corrected the output of MILL_GetArcAngleDegrees() so that it outputs the angle of arcs after they have been broken with post question 223.
  • Corrected an issue which caused the initial moves, prior to enabling TCP coordinates, to be output as TCP coordinates as well. New initial position posting variables were created to allow for the use of a different coordinate output modes than the given operations coordinate mode:
    • initpos_x
    • initpos_y
    • initpos_z
    • initpos_prot
    • initpos_srot
    • initpos_trot
    • initpos_nocomp_x
    • initpos_nocomp_y
    • initpos_nocomp_z
    • initpos_nocomp_prot
    • initpos_nocomp_srot
    • initpos_nocomp_trot
    • initpos_zcomp_x
    • initpos_zcomp_y
    • initpos_zcomp_z
    • initpos_zcomp_prot
    • initpos_zcomp_srot
    • initpos_zcomp_trot
    • initpos_hybridcomp_x
    • initpos_hybridcomp_y
    • initpos_hybridcomp_z
    • initpos_hybridcomp_prot
    • initpos_hybridcomp_srot
    • initpos_hybridcomp_trot
    • initpos_tcp_x
    • initpos_tcp_y
    • initpos_tcp_z
    • initpos_tcp_prot
    • initpos_tcp_srot
    • initpos_tcp_trot
    • initpos_origintracking_x
    • initpos_origintracking_y
    • initpos_origintracking_z
    • initpos_origintracking_prot
    • initpos_origintracking_srot
    • initpos_origintracking_trot

EDMpst

  • Corrected an issue which caused a crash when posting command/ISO while breaking arcs into quadrants.
  • Corrected an issue which prevented post question 218 from controlling the digits output for the program number.

 

NC Editor Corrections

Editor Standard

  • Corrected an issue which caused a crash when launching the NC Editor from a particular files posted code.

Editor Pro

  • Corrected an issue which caused double compensation to be applied when system and machine compensation were used.

 


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May
19
Tech Tuesday: Corner Slowdown
Posted by Steven Soehl on 19 May 2021 04:22 PM

Tech Tuesday is a weekly blog that addresses some of the most common questions and concerns that I hear throughout the previous week from users of BobCAD’s CNC software. Both customers and future customers are more than welcome to leave a comment on what they would like to see covered for the following Tech Tuesday.

 
A new feature in V33 is the Corner Slowdown option in our Advanced Feedrate page. This new feature will allow users to break their toolpath into smaller segments and reduce the feedrate in the corners of the toolpath. BobCAD users have many different options in this feature. You have the option to apply this feature in external corners only, internal corners only, or all corners. You can apply a specific minimum angle and maximum angle, a certain distance from the corner, and a desired feedrate percentage.
 
The minimum angle option determines the minimum angle change difference between two entities to determine whether they should be handled as a corner.
 
The maximum angle option determines the maximum angle change difference between two entities to determine whether they should be handled as a corner.
 
The distance from corner option is the distance from the detected corner at which the entity will be broken, and the slower feed rate applied.
 
Feedrate percentage is the percentage of the cutting feedrate to be applied to the portions that will be slowed down.
 
The Corner Slowdown option is available in many operations now including pocket, profile, engraving, chamfer, and corner rounding. You can cut your feedrate to a specified percentage when you approach corners. Many variables need to be taken into consideration, especially ensuring the tool does not engage too much material at the same time. Having the tool engaged in the material too much can easily break a tool. When moving around a part, additional stock is always encountered in the corners.
 

Corner Slowdown - CAM feature found in BobCAD-CAM V33

 
Notice how much additional material this tool engages in the corner. While you want to remove material as quickly as possible, scenarios like this have to be accounted for, and until now, that meant having to slow the speed on the rest of the path as well. Now, with the new Corner Slowdown feature, simply specify how close to get before the corner, and the percentage to slow the feedrate down to and you’re done! The toolpath is broken and the feedrate is reduced by the specified percentage.
 
This feature will even allow you to divide the specified distance into a number of segments so the feedrate gradually drops to the specified feedrate percentage! Now, you can finally set your speeds as fast as you can, and focus on slowing down the toolpath in the corners when absolutely necessary. Download a demo of V33 today and try out the new corner slowdown feature!
 
BobCAD-CAM has provided CAD-CAM CNC Software products to the global manufacturing industry for over 30 years. BobCAD-CAM software can be found to increase CNC productivity for many applications in aerospace, automotive, production manufacturing, mold making, general machining, woodworking as well as the medical manufacturing industry, consumer products, musical instruments, custom fabrication, defense industry and many others due to the products ability to automatically generate NC programming code for such a wide variety of CNC controllers. BobCAD-CAM software is also found in educational institutions throughout the world as well as independent hobby home use. Products include machining technology for 2, 3, 4 & 5 Axis CNC Milling, Routing, Waterjet, Plasma and Laser machines as well as 2 Axis CNC Lathe. BobCAD-CAM is modular allowing shops to start off at a reduced technology level and add technology as it is needed including an add-on, BobART, for artistic machining. Unique technology includes adaptive high-speed machining multiaxis milling and routing which is a first in the world of CAD-CAM software. BobCAD-CAM also provides a variety of quality training products that include regional and online training classes or private sessions tailored to specific applications. Professional certification and multi-tiered support solutions are available. Contact BobCAD-CAM directly for more information at 877-262-2231 or 727-442-3554


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