Description Overview Designed according to relevant standards With LCD display Various parameter settings, conversion, adjust, memory, printing and other functions New drive system and cooling fan Temperature sensor monitors test temperature Two types of folding heads to improve efficiency Test data displayed by LCD, stored on micro-computer and printed by micro-printer Analyze maximum value, minimum value, average and coefficient of variation of a group of test results Judge the break state and repeated folding number before breakage Silent motor drives the folding head Precise bearing drives cutter to ensure steady running and good repeatability The test will stop and the folding knife will return back automatically after test Suitable to test the folding endurance of paper with tensile strength higher than 1.33 kN/m and thickness lower than 0.25 mm Standards QB/T 457-2002 (Paper-determination of folding endurance) TAPPI T-423, ISO 5626, DIN 53412 Specifications Test range: 0 to 0.25 mm Thickness of folding clamp: 0.5 ± 0.05 mm Spring tension: 770 / 1000 g Specimen endurance: first tension 7.55 ± 0.10 N, max. tension 9.81 ± 0.10 N Folding speed: 110 ± 10 times per minute Folding roller diameter: 6 mm Distance between folding sheet and folding roller: 0.30 mm Distance between folding rollers: 0.5 mm Distance between clamps in same group: 90 ± 0.5 mm Specimen size: 90 x 15 mm Counting range: 0 to 9999 times Power: 220 V ± 10%, 50 Hz Weight: 23 kg Dimensions (mm): 540 x 550 x 300 Included Mainframe Power line Operation manual
