Product Description: This machine test abrasion laces, shoelaces device is: take two laces, hook the middle phase, the formation of the right one, the left one to the right of the machine fixture (dynamic clamp) with the right holder both ends of the clip ends after the natural distance 25mm, with the kind of regulatory assistance to the right belt to 52.2 ° Gouzhuo left belt hook and pinch distance 120mm, then to the left fixture (the clip) with a clamp left side, and the other placed on one end of the pulley groove, the bottom and suspended weights, clip natural distance and wheel slot 35 +5 mm, test folder to move around at constant speed reciprocating motion, so that the middle two laces, mutual friction test to the required friction times or record their shoelaces fracture friction times. Technical parameters: Dynamic Folder folder and set the maximum distance: 310mm (max) dynamic clamp stroke: 35mm dynamic clamp Speed: 60 ± 6cycles/min clip???? Tablets: 4 Group sets like??? Rules: Angle Angle52.2 ° from Space120mm code???? yards: 250 ± 3g, 4 个 pcs Counter: LCD LCD, 0 ~ 999,999 horses???? Power: DC Servo Servo 180W Dimensions: 660 × 580 × 420mm (L × W × H) Weight???? capacity: 66kg Power??? source: 1 ∮, AC110V, 10A/220V, 5A meet the standards: DIN 4843, QB/T2226, SARATM 154