Bead-to-Bead Profile Measurement System #(--edpnumber)#

Tire Industry Products
Bead-to-Bead Profile Measurement System

Tire and mold designers are tasked with creating new tire designs that meet strict dimensional requirements when the tire is inflated. The inflated growth is predicted using powerful CAD modeling software. The inflated tire is traditionally measured with hand tools to check compliance to the design target. Checking with hand tools is time consuming, imprecise, and operator dependent. The Starrett-Bytewise Bead-to-Bead Measurement System (B2B) is a non-contact scanning system that provides instantaneous acquisition for tire profiles from one bead to the other, across both sidewalls and the tread. Data is rendered in a visual display. Drag and drop caliper tools enable easy measurement. The CAD model can be imported into the Bead-to-Bead software so that the actual profile can be overlaid to the design. Data can be exported back to the CAD system for further analysis. Bead-to-Bead can scan tires rotating at high speed to measure centrifugal growth and deformation.

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  • B2B acquires 4,000 or more data points per profile.
  • B2B acquires complete profiles in less than one second.
  • Profiles are rendered the profile in a visual display, and matched to a CAD template.
  • Profiles are analyzed with easy-to-use tools for section width, crown radius, and other parameters.
  • Data points are output in DXF and TXT formats.


  • Made in America: Yes
  • Product Size (Width/Depth): Various configurations to accommodate tire sizes ranging from passenger to truck and bus
  • Accuracy: Sensor Accuracy 0.15mm (based on standard sensors)
  • Laser Classification, CDRH: IIIa CDRH
  • Low Voltage Directive: 2014/35/EU (LVD)
  • EMC Directive: 2014/30/EU (EMC)
  • Machinery Directive: 2006/42/EC (MD)
  • Hazardous Substances: 2011/65/EU (ROHS)


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