Feltest Caliper Profiler Скачать руководство пользователя страница 19

19 

 

 

Appendix-B     

Compaction%  vs Life days Yankee 

 

 

day’s life

 

 
 
 

Appendix-C        

Compaction%  vs Life days Yankee pick up felts 

(tissue) 

 

day’s life

 

40

45

50

55

60

65

70

75

80

85

90

0

20

40

60

80

100

1st VN press, bottom

Suction pick up

2nd VN press

3rd / 4th VN press

40

45

50

55

60

65

70

75

80

85

90

0

20

40

60

80

100

Содержание Caliper Profiler

Страница 1: ...Feltest Caliper Profiler Instruction Manual...

Страница 2: ...est Caliper Profiler memory navigation 9 5 4 Feltest Caliper Profiler PC communication 10 6 Interpretation of the results on forming fabrics 11 7 Interpretation of the results on press felts 12 7 1 Ju...

Страница 3: ...5 1989 EMC directive The following Generic Standards have been used to show compliance with this EMC Directive a Emission NEN EN 50081 1 January 1994 b Immunity NEN EN 50082 2 June 1995 Signed on May...

Страница 4: ...ument read this manual carefully it contains important safety information If you not fully understand this manual please contact Feltest Store this manual with the instrument easy to find for users Do...

Страница 5: ...paper machines is potentially dangerous and requires alertness concentration and common sense The instruments of Feltest Equipment B V are designed and constructed to be as safe as possible for their...

Страница 6: ...n max avg push for the statistical functions 7 Pushbutton set zero push short to turn the instrument on off push long to set zero 8 Red indication LED 9 Connector for communication to a computer 10 Tr...

Страница 7: ...friction and therefore heat during the measurement there will be a zero shift Therefore the instrument needs some time to adjust to this new temperature i e the metal parts need to expand before the m...

Страница 8: ...2 seconds When the display shows set zero release the button Note Due to temperature differences the zero may shift Check the zero setting before each measurement 3 Open the mouth of the instrument b...

Страница 9: ...o has shifted more than 0 03 mm the measurement must be discarded set zero and execute a new measurement 8 To display the lowest highest and the average value press button min max avg several times Pr...

Страница 10: ...included CD ROM A manual and a help file are enclosed in the software When the Caliper Profiler is connected to the computer s USB port for the first time the system might require the installation of...

Страница 11: ...nsion Most suppliers of forming fabrics recommend a minimum caliper for their products Usually the thinnest spot determines when a forming fabric must be replaced This spot often can be found within 3...

Страница 12: ...ecomes compacted Compacted felts absorb less water than non compacted felts Therefore the caliper of the felt should be judged in conjunction with the felt weight h caliper height of the felt mm s sol...

Страница 13: ...be converted into felt void v Comparison of the measured water content to the theoretical storage capacity of a felt generates interesting information in regard to the felt s condition Measured water...

Страница 14: ...indicating felt wear Hence it s important to know which kind of press roll is used blind drilled rolls cause more re wetting than grooved or suction rolls Blind drilled press roll Grooved press roll...

Страница 15: ...high airspeeds at the Uhle boxes can confirm this The measured caliper was affected by some local wear for instance caused by a suction box edge measure again The measurement was done outside the she...

Страница 16: ...doesn t influence the 0 01 mm accuracy within 0 50 to 5 00 mm range of a Feltest Caliper Profiler More extensive wear flattened surfaces of the probes will result in too high caliper values when the i...

Страница 17: ...4 80 280 83 236 1 43 55 641 58 597 61 553 64 509 67 465 71 421 74 377 77 334 80 290 83 246 1 44 55 651 58 607 61 563 64 519 67 475 70 431 73 387 76 344 79 300 82 256 1 45 54 661 57 617 60 573 64 529 6...

Страница 18: ...7 834 59 790 61 746 64 702 66 658 68 614 70 570 73 526 1 94 52 931 54 887 57 844 59 800 61 756 63 712 66 668 68 624 70 580 72 536 1 95 52 941 54 897 56 854 58 810 61 766 63 722 65 678 67 634 70 590 72...

Страница 19: ...s life Appendix C Compaction vs Life days Yankee pick up felts tissue day s life 40 45 50 55 60 65 70 75 80 85 90 0 20 40 60 80 100 1st VN press bottom Suction pick up 2nd VN press 3rd 4th VN press 40...

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