EP0505620B1 - Verfahren zum kontinuierlichen Schleifen (Schmirgeln) von bahnförmigen, textilen Flächengebilden und Vorrichtung zur Durchführung des Verfahrens - Google Patents

Verfahren zum kontinuierlichen Schleifen (Schmirgeln) von bahnförmigen, textilen Flächengebilden und Vorrichtung zur Durchführung des Verfahrens Download PDF

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Publication number
EP0505620B1
EP0505620B1 EP91121041A EP91121041A EP0505620B1 EP 0505620 B1 EP0505620 B1 EP 0505620B1 EP 91121041 A EP91121041 A EP 91121041A EP 91121041 A EP91121041 A EP 91121041A EP 0505620 B1 EP0505620 B1 EP 0505620B1
Authority
EP
European Patent Office
Prior art keywords
fabric
grinding
actuator
drum
emery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91121041A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0505620A1 (de
Inventor
Dieter Riedel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johannes Menschner Maschinenfabrik GmbH and Co KG
Original Assignee
Johannes Menschner Maschinenfabrik GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johannes Menschner Maschinenfabrik GmbH and Co KG filed Critical Johannes Menschner Maschinenfabrik GmbH and Co KG
Publication of EP0505620A1 publication Critical patent/EP0505620A1/de
Application granted granted Critical
Publication of EP0505620B1 publication Critical patent/EP0505620B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics

Definitions

  • the invention relates to a method for the continuous grinding (sanding) of web-shaped, textile fabrics and device for carrying out the method.
  • the multi-roller sanding machine for sanding the surfaces and the single-roller machine for sanding the surface.
  • the goods are drawn in tensioned condition over four to seven rolls covered with emery paper turn against or in the direction of the goods.
  • the goods are brought into frictional contact with the emery surface with more or less adjustable pressure.
  • the protruding fibers are split up by the emery and result in a velvety but very low fiber pile.
  • the effect may be finer or coarser.
  • Many articles are first sanded on relatively coarse and then on fine sanding rollers.
  • twine knots can dodge and are not sanded and opened if they are set accordingly.
  • the emery rollers hardly heat up. This gives the sandpaper a longer service life.
  • the mechanical energy is divided by the number of emery points and is therefore lower.
  • the individual rollers are disengaged or set to "freewheel". With the thumb you then set the respective emery roller in rotation and at the same time increase the wrapping of the goods (product coating angle). This is continued until the roller can only be turned with strong pressure. This process must be repeated for each batch, since the emery effect changes due to the wear of the emery device and, moreover, there are differences even with two identical product qualities, e.g. B. as a result of stretching and moisture. This procedure is expensive and uneconomical because of the long downtimes.
  • the effect assessment is based on empirical values, which, however, are weakened in their meaningfulness if the disturbance variables already mentioned negatively influence the result of the sanding process.
  • the grip of the emery paper, its signs of wear, the reaction of the goods to the set tension, the risk of wrinkles, particularly in the longitudinal direction, the stretching behavior of the goods even at different moisture levels and possible electrostatic charges can adversely affect the result.
  • the object of the invention is to provide a method and a device for carrying out the same, with which the frictional relationships between the surface structure to be ground and the grinding tool are always kept constant, regardless of the type, the elongation behavior, the tension of the surface structure and the condition of the grinding tool.
  • the fabric is in contact with one and the same grinding tool at several points.
  • the actuator and the grinding drum are connected to a controller which is set to the desired value predetermined by the type of fabric and, in the event of a difference between the desired value and the actual value of the grinding drum, the actuator in the sense of an enlargement or Decreased the angle of attack actuated.
  • the friction torque on the respective grinding drum required for the optimal grinding effect is determined by specifying a current value (setpoint). Motorized readjustment of the painting angle is carried out via this setpoint until the setpoint specification corresponds to the current of the grinding drum motor (actual value). This also takes into account the degree of wear on the emery grain. In the case of more worn abrasive coating, a larger friction surface is required to achieve the same friction torque than with new grain. If the maximum permissible coating angle is exceeded, an acoustic or optical signal can be emitted at the same time, which indicates the degree of wear and indicates the need to renew the sanding cover of the grinding drum. With the detection of the frictional torque from the current consumption, the contact pressure force (normal force) resulting from the tangential material tension is also recorded and included in the measurement result, which can be clearly seen when looking at the purely physical processes.
  • FIG. 1 indicates a grinding tool in the form of a grinding drum, on the peripheral surface of which an abrasive paper covering is applied.
  • This grinding drum 1 can be set in rotation by an electric drive motor 2.
  • the electric drive motor 2 is connected to a current source 5 via corresponding lines. However, it is also connected via lines to an electrical controller 6, which is connected via lines to a motor-driven actuator 7.
  • This actuator 7 has a screw spindle 8, in which a rod 9 is freely rotatable, but is non-displaceable in the axial direction. The free end of this rod 9 carries the paint roller 4th
  • the controller 6 is set to the empirically determined target value predetermined by the type of fabric 3. If, during operation, this setpoint is undershot, for example, due to the fact that, as a result of the wear of the grinding layer on the grinding drum 1, the frictional force between the sheet 3 and the grinding drum 1 becomes smaller, then the controller 6 effects the difference between the setpoint and the actual value of the lower frictional torque acting on the grinding drum 1, actuation of the actuator 7 in such a way that the painting roller 4 in FIG. 2 of the drawing is moved downward via the screw spindle 8. The consequence of this is that the angle of attack ⁇ and thus also the contact area a is increased.
  • controllers 6 of this type are commercially available per se, further details can be dispensed with.
  • the fabric 3 is in contact with one and the same grinding drum 1 at several points, namely at two points a.
  • FIG. 4 of the drawing discloses a two-drum grinding device with two contact points a per grinding drum 1.
  • FIG. 5 of the drawing A comparable embodiment is also shown in FIG. 5 of the drawing, while FIG. 6 reveals a total of three contact points a per grinding drum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP91121041A 1991-03-28 1991-12-09 Verfahren zum kontinuierlichen Schleifen (Schmirgeln) von bahnförmigen, textilen Flächengebilden und Vorrichtung zur Durchführung des Verfahrens Expired - Lifetime EP0505620B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4110232A DE4110232C1 (zh) 1991-03-28 1991-03-28
DE4110232 1991-03-28

Publications (2)

Publication Number Publication Date
EP0505620A1 EP0505620A1 (de) 1992-09-30
EP0505620B1 true EP0505620B1 (de) 1997-10-15

Family

ID=6428419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91121041A Expired - Lifetime EP0505620B1 (de) 1991-03-28 1991-12-09 Verfahren zum kontinuierlichen Schleifen (Schmirgeln) von bahnförmigen, textilen Flächengebilden und Vorrichtung zur Durchführung des Verfahrens

Country Status (4)

Country Link
US (1) US5218747A (zh)
EP (1) EP0505620B1 (zh)
JP (1) JPH04300354A (zh)
DE (2) DE4110232C1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0654792U (ja) * 1993-01-08 1994-07-26 鐘紡株式会社 織物の開繊処理装置
US5392499A (en) * 1993-04-15 1995-02-28 Sperotto Rimar S.P.A. Method and apparatus for surface treatment of wet fabric webs in a finishing machine
IT1269484B (it) * 1994-01-27 1997-04-01 Sperotto Rimar Spa Apparecchiatura per il trattamento superficiale ad umido di materiali tessili continui
IT1295663B1 (it) * 1997-10-08 1999-05-24 Tintoria Rifinizione Nuove Ide Macchina garzatrice comprendente un sistema di regolazione della traiettoria del tessuto in trattamento
US5815896A (en) * 1997-12-22 1998-10-06 Milliken Research Corporation Method and apparatus to provide improved and more efficient napping of fabrics made from spun yarns
US5943745A (en) 1998-03-20 1999-08-31 Milliken & Company Process and apparatus for angularly sueding a textile web containing fill and warp yarns
BR9912320A (pt) * 1998-07-22 2001-04-24 Idi Head Oy Aparelho e método para a retificação de tramas feitas de material de fibra
US6141842A (en) * 1999-05-21 2000-11-07 Parks & Woolson Machine Company Dynamic zoning assembly in a napper machine
ITFI20010237A1 (it) * 2001-12-14 2003-06-16 Coramtex Srl Macchina per il trattamento di tessuti e relativo metodo
US6974366B1 (en) 2002-12-13 2005-12-13 Larry Johnson Garment image abrasion system and method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2253558A (en) * 1939-06-28 1941-08-26 George M Curtin Apparatus for sueding cloth
US3523346A (en) * 1967-12-07 1970-08-11 Canton Textile Mills Method for modifying the surface texturing of fabrics
US3553801A (en) * 1968-02-19 1971-01-12 Hadley Co Inc Fabric treating apparatus
US3612891A (en) * 1969-12-22 1971-10-12 Us Agriculture Device for testing for {37 frosting{38 {0 in fabrics
IT1115725B (it) * 1977-07-13 1986-02-03 Cami Centro Accessori Macchine Garzatrice per tessuti in genere
GB2051164B (en) * 1979-05-24 1983-05-18 Courtaulds Ltd Process and machine for fabric treatment
US4463483A (en) * 1982-03-11 1984-08-07 W. H. Company, Inc. Fabric napping apparatus
JPS6130070A (ja) * 1984-07-23 1986-02-12 Canon Inc フオトセンサ
JPS6327467A (ja) * 1986-07-21 1988-02-05 Wako Pure Chem Ind Ltd γ−グルタミル−４−ニトロアニリド誘導体及びこれを用いるγ−グルタミルトランスペプチダ−ゼ活性測定法
JPS6350460A (ja) * 1986-08-20 1988-03-03 Denshi Kikai Service:Kk 真空蒸着装置
DE8707501U1 (de) * 1987-05-25 1987-08-27 Rommerskirchen, Matthias, 4150 Krefeld Tambour-Rauhmaschine mit Vorrichtung zum Rauhen von Textilwaren

Also Published As

Publication number Publication date
EP0505620A1 (de) 1992-09-30
DE59108876D1 (de) 1997-11-20
US5218747A (en) 1993-06-15
DE4110232C1 (zh) 1992-04-23
JPH04300354A (ja) 1992-10-23

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