© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®Introducing PRT2 1-Trak: Part II of IIIA Seamless Ring an...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®OUTLINE OF OVERVIEW — PART II OF IIIOverviewDriving By Ge...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®NEW! PRT2 1-TRAK1-Trak extends the capability of PRT2Pate...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK APPROACH TO DRIVING BY GEARS
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK APPROACH TO DRIVING BY GEARSThe pinion in a fixed ...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®DRIVING BY GEARS EXAMPLE
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®GEAR DRIVEN 1-TRAK SYSTEMSGear teeth are surface hardened...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®GEAR DRIVEN 1-TRAK SYSTEMSWhen the driving pinion is loca...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONThe production method works best with g...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONDetailed gear drive calculations will n...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONThe shape of the gears on the track wil...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONSpecify either a gearbox or a drive fla...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®PRT2 TRACKS VIA 1-TRAK ROUTEIt is possible to have the be...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®PRT2 TRACKS VIA 1-TRAK ROUTEThe 1-Trak approach mayalso b...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®CONTINUED…Be sure to view part III of III in the 1-Trak o...
© 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®THANK YOUHave questions? Please contact…An Applications E...
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Seamless Rotary Guidance System: Bishop-Wisecarver 1-Trak Part II

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Part 2 of III: An innovative technology from Bishop-Wisecarver has effectively changed the face of curvilinear track design possibilities. Part of the highly successful HepcoMotion PRT2 family of products, the new and patent pending 1-Trak product allows track systems to be manufactured in almost any conceivable 2D shape and from one single piece of material.

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Seamless Rotary Guidance System: Bishop-Wisecarver 1-Trak Part II

  1. 1. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®Introducing PRT2 1-Trak: Part II of IIIA Seamless Ring and Track Guided Motion System
  2. 2. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®OUTLINE OF OVERVIEW — PART II OF IIIOverviewDriving By GearsGear OptionsPRT2 Tracks Via 1-Trak RouteContact Information
  3. 3. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®NEW! PRT2 1-TRAK1-Trak extends the capability of PRT2Patent pending design with three key innovations:Create almost any 2D shape of track in one piece(within the maximum size limits and minimum bend radii)Three-bearing geometry allows a carriage to run around any2D shape of trackAvailable with or without gear drive
  4. 4. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK APPROACH TO DRIVING BY GEARS
  5. 5. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK APPROACH TO DRIVING BY GEARSThe pinion in a fixed position on the carriage, and thepitch line of the gear follows the 1-Trak path
  6. 6. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®DRIVING BY GEARS EXAMPLE
  7. 7. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®GEAR DRIVEN 1-TRAK SYSTEMSGear teeth are surface hardened high tensile steel:same as the slide veesDriving forces and durability are excellentMaking these gears is difficult: pitch line follows acomplex path, and the shape of the teeth changeswith path curvatureUtilize dedicated CAM system to generate gearprofiles for any track system and any pinion position
  8. 8. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®GEAR DRIVEN 1-TRAK SYSTEMSWhen the driving pinion is located off-center, the path ofthe gear becomes more complex and asymmetricalThere will be no problem for the new CAM system
  9. 9. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONThe production method works best with gears ofMOD3 or larger with the following tooth widths:MOD3 up to 12mm wideMOD5 up to 20mm wideMOD8 up to 32mm wideMOD10 up to 40mm wideThe most suitable Hepco pinions are in the HDS2catalogueWe also now have a MOD8 stock pinion for use withHDRE1656G8: HP8X17
  10. 10. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONDetailed gear drive calculations will need to bereferred to an Applications EngineerFor provisional sizing:Use HDS2 figures pro-rated for width, and then add 50%due to higher specification of gear teeth
  11. 11. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONThe shape of the gears on the track will be defined ifthe pinion size (MOD and number of teeth) is defined,along with the location of its center on the carriageEnsure that there is enough space to accommodate thepinion — remember that in designs where the pinion isaway from the carriage center, the gear pitch line willdeviate a long way from the track vees
  12. 12. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®1-TRAK GEAR OPTIONSpecify either a gearbox or a drive flange assembly(for example from HDS2 catalog)Lubrication is essentialIn some cases it will be possible to use HDS2 automatic racklubrication method, directly onto the pinion
  13. 13. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®PRT2 TRACKS VIA 1-TRAK ROUTEIt is possible to have the benefits of 1-Trakconstruction, e.g. one-piece, integral base plate andstructural strength, but using the standard PRT2 trackshapes and FCC or BCP carriages(which are stronger than three-bearing carriages)Just specify the track system using the standard PRT2method, state “made via 1-Trak route”, and thenprovide a sketch to show relevant base plate andcustomization details
  14. 14. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®PRT2 TRACKS VIA 1-TRAK ROUTEThe 1-Trak approach mayalso be used on morecomplex systemsDTS could be made via thisconstructionDTS2 also possible
  15. 15. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®CONTINUED…Be sure to view part III of III in the 1-Trak overviewseries for more information on:How To Specify 1-TrakAvailable on the Bishop-Wisecarver’s SlideShare:(www.slideshare.net/bishopwisecarver)
  16. 16. © 2013 | All Rights Reserved | www.bwc.comMotion Without Limits ®THANK YOUHave questions? Please contact…An Applications Engineer at (888) 580.8272Or email info@bwc.comLearn more on our website at www.bwc.com

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