Process for operating a reel winding device, a reel winding device, and a measuring device
First Claim
1. A process for winding a reel in an apparatus that includes at least two drive mechanisms which introduce driving forces at locations on the reel during winding, the process comprising:
- determining the driving forces at the locations of the introduction of the driving force onto the reel; and
determining a difference between the driving forces.
1 Assignment
0 Petitions
Accused Products
Abstract
Process for winding a reel and a reel winding apparatus, as well as a measuring apparatus. The process includes determining the driving forces at the locations of the introduction of the driving force onto the reel, and determining a difference between the driving forces. The reel winding apparatus includes at least first and second drive mechanisms arranged to act on a reel to be wound, a measuring system, coupled to the at least first and second drive mechanisms, that includes a force transducer arranged in a vicinity of an introduction of force into the reel, and an evaluation device coupled to the force transducer. The measuring apparatus is provided for measuring a difference in peripheral forces between at least first and second drive elements in a reel winding device. The apparatus includes first and second contacts adapted to contact the first and second drive elements, respectively, and a transducer coupled to the first and second contacts.
17 Citations
40 Claims
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1. A process for winding a reel in an apparatus that includes at least two drive mechanisms which introduce driving forces at locations on the reel during winding, the process comprising:
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determining the driving forces at the locations of the introduction of the driving force onto the reel; and
determining a difference between the driving forces. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
braking the first winding roll.
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6. The process in accordance with claim 1, wherein the difference between the driving forces is measured during the winding process.
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7. The process in accordance with claim 6, wherein the apparatus further includes a control circuit that regulates the driving of the at least two drive mechanisms, and the process further comprising:
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supplying the determined difference in driving force to the control circuit; and
regulating the driving of the at least two drive mechanisms in accordance with a difference between the determined difference and a preset target value.
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8. The process in accordance with claim 7, wherein the preset target value is a progression that is a function of the diameter of reel.
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9. A process for winding a reel in an apparatus that includes at least two drive mechanisms which introduce driving forces at locations on the reel during winding, the process comprising:
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determining the driving forces at the locations of the introduction of the driving force onto the reel; and
determining a difference between the driving forces, wherein the driving forces are determined outside of the winding process. - View Dependent Claims (10)
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11. A process for winding a reel in an apparatus that includes at least two drive mechanisms which introduce driving forces at locations on the reel during winding, the process comprising:
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determining the driving forces at the locations of the introduction of the driving force onto the reel;
determining a difference between the driving forces;
determining web tension based on the determined difference between the driving forces, wherein the driving forces are determined during a time outside of the winding process which results from a malfunction.
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12. A process for winding a reel in an apparatus that includes at least two drive mechanisms which introduce driving forces at locations on the reel during winding, the process comprising:
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determining the driving forces at the locations of the introduction of the driving force onto the reel;
determining a difference between the driving forces; and
imitating friction ratios between a material web to be wound and at least one of the at least two drive mechanisms when determining the driving forces.
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13. A reel winding apparatus comprising:
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at least first and second drive mechanisms arranged to act on a reel to be wound;
a measuring system, coupled to said at least first and second drive mechanisms, comprising a force transducer arranged in direct contact with points on surfaces adapted to engage the reel; and
an evaluation device coupled to said force transducer. - View Dependent Claims (14, 15, 16, 17)
said torque measuring shaft comprising a transmitter for forwarding information to said control device.
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16. The apparatus in accordance with claim 13, said evaluation system comprising a display device coupled to said measuring system.
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17. The apparatus in accordance with claim 16, further comprising a control device adapted to control said at least first and second drive mechanisms in accordance with a display on said display device.
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18. A reel winding apparatus comprising:
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at least first and second drive mechanisms arranged to act on a reel to be wound;
a measuring system, coupled to said at least first and second drive mechanisms, comprising a force transducer arranged in a vicinity of an introduction of force into the reel;
an evaluation device coupled to said force transducer;
said force transducer comprising a peripheral force transducer; and
said peripheral force transducer comprising measuring rolls coupled to a torque measuring shaft. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
wherein said measuring rolls and said torque measuring shaft are arranged on the common carrier. -
20. The apparatus in accordance with claim 18, wherein said measuring rolls are arranged laterally offset with axes of rotation generally parallel to said torque measuring shaft.
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21. The apparatus in accordance with claim 18, wherein said measuring rolls are coupled to said torque measuring shaft via a geared connection.
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22. The apparatus in accordance with claim 18, wherein said measuring rolls comprise a surface covering composed of a material that is similar, in terms of friction, to a material web to be wound onto the reel.
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23. The apparatus in accordance with claim 22, wherein said measuring rolls comprise a surface coating composed of the material web.
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24. The apparatus in accordance with claim 18, wherein said torque measuring shaft is supported above said measuring rolls.
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25. The apparatus in accordance with claim 18, wherein at least one of said measuring rolls is adapted for coupling to a drive core receptacle, and
wherein said torque measuring shaft is positioned between said measuring rollers.
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26. A reel winding apparatus comprising:
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at least first and second drive mechanisms arranged to act on a reel to be wound;
a measuring system, coupled to said at least first and second drive mechanisms, comprising a force transducer arranged in a vicinity of an introduction of force into the reel;
an evaluation device coupled to said force transducer; and
the measuring system further comprising a load roller, wherein said load roller is adapted to be braked, thereby applying a braking force to at least one of said at least first and second drive mechanisms.
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27. A process of controlling the winding of a reel in an apparatus including first and second drive elements, said process comprising:
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driving said first and second drive elements, wherein said first and second drive elements include regions adapted to rotatably drive a reel to be wound; and
determining, at points adapted to engage the reel, a difference in peripheral force exerted in the regions adapted to rotatably drive the reel to be wound. - View Dependent Claims (28, 29, 30, 31, 32, 33)
positioning a measuring system in contact with said first and second drive elements; and
adjusting said first and second drive elements until the difference in the peripheral forces correspond to a preset value.
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30. The process in accordance with claim 29, wherein the adjustment of the first and second drive elements is utilized to adjust a web tension between the regions.
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31. The process in accordance with claim 30, wherein web tension is determined from the following equation:
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wherein BZ represents web tension;
M1 and M2 represent torque on the first and second drive elements;
d1 and d2 represent a diameter of the first and second drive elements; and
b represents a width of the web.
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32. The process in accordance with claim 29, wherein said measuring system is positioned in contact with said first and second drive elements during a period in which the reel is not being wound.
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33. The process in accordance with claim 29, wherein said measuring system is positioned in contact with said first and second drive elements during a period in which the reel is being wound.
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34. An apparatus for measuring a difference in peripheral forces between at least first and second drive elements in a reel winding device, comprising:
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first and second contacts adapted to contact the first and second drive elements at points adapted to engage a reel, respectively; and
a transducer coupled to said first and second contacts.
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35. An apparatus for measuring a difference in peripheral forces between at least first and second drive elements in a reel winding device, comprising:
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first and second contacts adapted to contact the first and second drive elements, respectively;
a transducer coupled to said first and second contacts;
said first and second contacts comprising first and second measuring rollers, wherein said first and second measuring rollers are adapted to be rotatably driven by the first and second drive elements, respectively; and
said transducer comprising a torque measuring shaft adapted to measure a difference in torque between the first and second drive elements. - View Dependent Claims (36, 37, 38, 39, 40)
a load roller adapted to exert a braking force on at least one of the first and second drive elements.
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37. The apparatus in accordance with claim 35, said transducer comprising a transmitter adapted to transmit a signal related to the measured difference in torque between the first and second drive elements.
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38. The apparatus in accordance with claim 35, further comprising a common carrier, wherein said first and second measuring rollers and said torque measuring shaft are mounted for rotation within said common carrier.
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39. The apparatus in accordance with claim 38, said torque measuring shaft being oriented above said first and second measuring rollers.
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40. The apparatus in accordance with claim 38, said torque measuring shaft being arranged between said first and second measuring roller.
Specification