Circumferential Tread Wear Imaging System (CTWIST) #(--edpnumber)#

Tire Industry Products
Circumferential Tread Wear Imaging System (CTWIST)

The Circumferential Tread Wear Imaging System (CTWIST) is a complete measurement system for characterizing tread wear in passenger and truck tires. CTWIST is used in tire development centers and test tracks to support new tire development programs since tire designers are challenged to develop new tread patterns and compounds that deliver longer tread life and more uniform tread wear. Selected by Ford Motor Company as their standard tread wear measurement platform for their OEM suppliers. CTWIST predicts the tread life for each rib and produces several tread wear reports to help the designer understand where improvements are needed. The CTWIST method permits tread life to be accurately predicted by running the tires only a small percentage of their lives, thus saving the time and cost of tire testing.

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Specifications

  • Made in America: Yes
  • Product Type: CTWIST
  • Width Range: 506 mm
  • Diameter, Minimum: 400 mm
  • Diameter, Maximum: 1250 mm
  • Thickness Range: 32 mm (64 mm optional)
  • Laser Spot Diameter: 0.1 mm
  • Laser Frequency: 32 kHz
  • Laser Resolution: 0.008 mm
  • Laser Standoff Distance: 180 mm
  • Encoder Frequency: 16384 PPR
  • Measures per Revolution: 4096
  • Rotation Speed, Maximum: 120 RPM
  • Spindle/Rail Alignment Accuracy: 0.1 mm
  • Width Axis Resolution: 0.001 mm
  • Width Axis Repeatability: 0.005 mm
  • Width Axis Point Spacing, Minimum: 0.25 mm
  • Width Axis Point Spacing, Typical: 1 mm
  • Typical File Size: 1 MB
  • Load Limit: 100 kg (200 kg optional)
  • Scan Time, Full Width at 1mm Spacing and 60 RPM: 300 sec
  • Current at 220V: 15 A
  • Laser Classification, CDRH: IIIb
  • Laser Classification, IEC: 3b
  • Low Voltage Directive: Yes
  • EMC Directive: Yes
  • Machinery Directive: Yes

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