EP1099783B1 - Fil à dent de scie - Google Patents

Fil à dent de scie Download PDF

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Publication number
EP1099783B1
EP1099783B1 EP99122418A EP99122418A EP1099783B1 EP 1099783 B1 EP1099783 B1 EP 1099783B1 EP 99122418 A EP99122418 A EP 99122418A EP 99122418 A EP99122418 A EP 99122418A EP 1099783 B1 EP1099783 B1 EP 1099783B1
Authority
EP
European Patent Office
Prior art keywords
saw
tooth
foot
weight
blade
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
EP99122418A
Other languages
German (de)
English (en)
Other versions
EP1099783A1 (fr
Inventor
Ralph A. Graf
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.)
Graf und Cie AG
Original Assignee
Graf und Cie AG
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
Priority to DE29924404U priority Critical patent/DE29924404U1/de
Priority to EP03000810A priority patent/EP1318218B1/fr
Application filed by Graf und Cie AG filed Critical Graf und Cie AG
Priority to EP99122418A priority patent/EP1099783B1/fr
Priority to DE59906445T priority patent/DE59906445D1/de
Priority to AT03000810T priority patent/ATE291652T1/de
Priority to ES99122418T priority patent/ES2200455T3/es
Priority to DE59911815T priority patent/DE59911815D1/de
Priority to AT99122418T priority patent/ATE246272T1/de
Priority to ES03000810T priority patent/ES2236626T3/es
Priority to JP2000328259A priority patent/JP2001162440A/ja
Priority to TW089122983A priority patent/TW522183B/zh
Priority to CA002325508A priority patent/CA2325508A1/fr
Priority to BR0005315-5A priority patent/BR0005315A/pt
Priority to MXPA00011036A priority patent/MXPA00011036A/es
Priority to TR2000/03334A priority patent/TR200003334A2/xx
Publication of EP1099783A1 publication Critical patent/EP1099783A1/fr
Priority to US10/366,210 priority patent/US20030116006A1/en
Application granted granted Critical
Publication of EP1099783B1 publication Critical patent/EP1099783B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9319—Toothed blade or tooth therefor

Definitions

  • the invention relates to a sawtooth wire for the production a sawtooth all-steel set for the tambour of a card according to the preamble of claim 1.
  • the card becomes parallelized the individual fibers of a disordered fibers existing Raw materials used.
  • the card has this usually a circular cylindrical drum and a number of Over the peripheral surface of the drum distributed on flat bars.
  • the flat bars usually formed by sawtooth wires All-steel sets equipped, between which the parallelization process takes place.
  • the sawtooth all-steel set the spool usually in the form of a Circular cylindrical surface of the spool helically encircling Sawtooth wire is formed while the sawtooth all-steel set the lid by juxtaposed shegeieredrahtstMake can be formed.
  • With such cards can be more than 120 kg Raw material to be processed or parallelized per hour.
  • a sawtooth wire for the feed roller of a fiber processing apparatus with a particularly sing Tooth depth specified.
  • the technique of this invention is the object of a Sawtooth wire for producing a sawtooth all-steel set to provide for the tambour of a card, under avoidance Excessive material costs and ensuring a satisfactory Carding performance a high wear resistance during the carding operation.
  • the invention is based on the knowledge that the during operation of the known carding observed wear the drum sets in the first line on the between the the leaf sections of the individual coil of the set detained Fibers attributable to the blade edges forces is.
  • the width of the Garniturgassen between the individual spirals of the spool set in relation to the sheet width increased so as to solve the in these Garniturgassen Embedded fibers facilitate and reduce the stress on the fibers To reduce leaf edges through these fibers.
  • the clearance between the foot and the shoulder Tooth tip enlarged, so that the fiber material has more space and easier to get out of this free space.
  • the wear resistance of the invention Sawtooth wire increasing increase of the free space between the foot and the tooth tip is at the same time Ensuring a satisfactory carding result by using appropriate saw teeth, if the ratio of the leaf height to the tooth incision depth more as 1.5, preferably more than 1.8, more preferably about 2 the production of a satisfactory Carding result enabling saw teeth required tooth incision depth can be about 0.4 mm.
  • the Ratio of the blade height to the total height of the wire greater than 0.3, preferably greater than 0.4, more preferably about 0.45, however, less than 0.6, preferably less than 0.5.
  • the Total height of the wire less than 2.0 mm, preferably about 1.8 mm, the foot height less than 1.4 mm, preferably may be about 1.0 mm.
  • Ratio of the blade height to the total height of the wire can in In particular, a good wear resistance is ensured because of the attitude of one in relation to Overall height sufficiently large blade height also a the wear resistance increasing, especially large clearance between the Tooth tips and the foot is ensured.
  • This alloyed steel can be 0.3 to 2.0, preferably 0.8 to 0.85% by weight of carbon, 0.1 to 0.25, preferably 0.15 to 0.35 weight percent silicon, 0.1 to 2.0, preferably 0.4 to 0.6% manganese, 0.1 to 2.0, preferably 0.15 to 0.2% vanadium, and / or 0.1 to 2.0, preferably 0.4 to 0.6 Wt .-% chromium, wherein the proportions of phosphorus, sulfur, Nickel and copper are kept minimal. It is the Phosphorus expediently to less than 0.025 wt .-% and the sulfur content is limited to less than 0.25% by weight.
  • the service life of a using a set of sawtooth wire according to the invention are increased when the division error, i. the deviation from Specified distance between the tips of teeth of successive teeth less than 2%, preferably less than 1.0%, because then with correct Garniturmontage on to a first wear leading checker or first leveling is no longer necessary.
  • the minimization of the division errors can be achieved by that during wire production, especially during the punching process, a high-precision wire feed is used, which has a rule compensation calculator is controlled.
  • a corresponding scanning method For example, a laser scanning method can possibly occurring pitch errors during production immediately be detected and corrected.
  • the sawtooth wire 10 shown in the drawing consists essentially a foot section 20 and a Sheet section 30.
  • the foot portion 20 at its the Leaf section 30 opposite side of a substantially plane lower boundary surface 24 limited, of the two a Right angle thus enclosing flank surfaces 26 and 28th go out and extend toward the blade portion 30.
  • This shape of the foot section ensures that the sawtooth wire shown in the drawing on a spool can be mounted with a smooth roll surface, wherein the then helically circulating sawtooth wire arranged so is that the flank surfaces of the foot sections successive Wendel abut each other.
  • the foot section starts from the flank surface 26 via a foot 22 in the leaf portion 30 about, with a number of teeth 32 is provided.
  • the teeth are 32nd starting from the foot portion 20 facing away from Edge of the blade portion 30 in the direction of the foot portion 20th extending tooth incisions 34 are formed.
  • the pitch p i.e. Distance between the teeth tips of successive teeth constant and is about 1.699 mm.
  • the flank surface 38 of the blade portion 30 coplanar to the flank surface 28 of the foot section 20 formed, wherein the width of the blade portion starting from the tooth tips 32 in the direction of the foot portion 20 steadily increases.
  • the width b1 of the leaf section is in Range of tooth tips about 0.05 mm, while the width b2 of the Leaf portion 30 at the foot 20 is about 0.24 mm, the Width b4 at the intermediate point of the deepest Tooth incision is about 0.15 mm.
  • the width b3 of the rectifabiteses is approximately constant over its entire height and is in the embodiment shown in the drawing of the invention 0.4 mm.
  • the total height of the sawtooth wire h1 is 1.8 mm, the height h2 of the foot section 1.0 mm, the tooth incision depth h4 0.4 mm and the height h5 of the leaf section 0.8 mm.
  • the individual teeth 32 in the form of curved teeth with a in the direction formed on the tooth tip 32c bent forward curvature.
  • the radius of curvature r is 0.19 mm.
  • Towards the Tooth tip 32c runs the curved portion 32a of the tooth face of the teeth 32 in a rectilinear extending portion 32b out. Through this straight-line section is a gentle engagement of the teeth in the fiber material allows.
  • the teeth 32 of the shezalindrahtes shown in the drawing have in the region of their tips 32c in the stretched state one Chest angle ⁇ of 40 °.
  • the invention is not based on the drawing explained embodiment limited. Rather, it is also on the use of sawtooth wires with other dimensions thought. Furthermore, in the context of this invention also sawtooth wires be used with variable pitch p. Furthermore is also involved in the use of sawtooth wires according to the invention thought lockable foot sections.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Claims (12)

  1. Fil à dents de scie pour la fabrication d'une garniture tout acier à dents de scie pour le tambour d'une carde, avec une section du pied (20) et une section du peigne (30) qui lui est raccordée via un épaulement du pied (22), moyennant quoi la section du peigne (30) présente des dents de scie (32) formées par des entre-dents (34) partant du bord de la section du peigne (30) qui cst opposé à la section du pied (20), caractérisé en ce que le rapport entre la largeur du pied (b3) et la largeur du peigne (b4), au niveau de l'entre-dents le plus profond, est supérieur à 2 et inférieur à 3, et en ce que la largeur du pied mesure entre 0,2 et 0,6 mm.
  2. Fil à dents de scie selon la revendication 1, caractérisé en ce que la largeur du peigne, en partant du bord de la section du peigne (30) qui est opposé à la section du pied (20), augmente de manière continue, du moins par paliers, en direction de la section du pied (20), et en ce que le rapport entre la largeur du pied (b3) et la largeur du peigne (b2) au niveau du pied est supérieur à 1,4.
  3. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que la largeur du peigne (b1), au niveau du bord de la section du peigne (30) qui est opposé à la section du pied (20), mesure environ de 0,02 à 0,2 mm.
  4. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que le rapport entre la hauteur du peigne (h5) et la profondeur des entre-dents (h4) est supérieur à 1,5, de préférence à 1,8 et, de manière particulièrement privilégiée, égal à 2.
  5. Fil à dents de scie selon la revendication 4, caractérisé en ce que le rapport entre la hauteur du peigne (h5) et la profondeur des entre-dents (h4) est inférieur à 3,5.
  6. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que le rapport entre la hauteur du peigne (h5) et la hauteur totale (h1) du fil (10) est supérieur à 0,3.
  7. Fil à dents de scie selon la revendication 6, caractérisé en ce que le rapport entre la hauteur du peigne (h4) et la hauteur totale (h1 du fil (10) est inférieur à 0,6.
  8. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que la hauteur totale (h1) du fil est inférieure à 2,0 mm.
  9. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que la hauteur du pied (h2) est inférieure à 1,4 mm.
  10. Fil à dents de scie selon l'une des revendications précédentes, caractérisé en ce que le fil à dents de scie (10) est constitué d'acier allié.
  11. Fil à dents de scie selon la revendication 10, caractérisé en ce que l'acier allié comporte 0,3 à 2,0 % de carbone, 0,1 à 2,5 % de silicium, 0,1 à 2,0 % de manganèse, 0,1 à 2,0 % de vanadium, 0,1 à 2,0 % de chrome et/ou 0,6 à 0,7 % de tungstène.
  12. Fil à dents de scie selon la revendication 10, caractérisé en ce que l'acier allié comporte 0,80 à 0,85 % de carbone, 0,40 à 0,60 % de manganèse, 0,10 à 0,30 % de silicium, 0,60 à 0,70 % de tungstène et/ou 0,15 à 0,20 % de vanadium, et/ou qu'il contient moins de 0,02 % de phosphore et moins de 0,02 % de soufre.
EP99122418A 1999-11-10 1999-11-10 Fil à dent de scie Expired - Lifetime EP1099783B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
EP03000810A EP1318218B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie
EP99122418A EP1099783B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie
DE59906445T DE59906445D1 (de) 1999-11-10 1999-11-10 Sägezahndraht
AT03000810T ATE291652T1 (de) 1999-11-10 1999-11-10 Sägezahndraht
ES99122418T ES2200455T3 (es) 1999-11-10 1999-11-10 Fleje con dentado de sierra.
DE59911815T DE59911815D1 (de) 1999-11-10 1999-11-10 Sägezahndraht
AT99122418T ATE246272T1 (de) 1999-11-10 1999-11-10 Sägezahndraht
ES03000810T ES2236626T3 (es) 1999-11-10 1999-11-10 Alambre de dientes de sierra.
DE29924404U DE29924404U1 (de) 1999-11-10 1999-11-10 Sägezahndraht
JP2000328259A JP2001162440A (ja) 1999-11-10 2000-10-27 鋸歯ワイヤー
TW089122983A TW522183B (en) 1999-11-10 2000-11-01 Sawtooth wire
CA002325508A CA2325508A1 (fr) 1999-11-10 2000-11-08 Fil metallique en dents de scie
BR0005315-5A BR0005315A (pt) 1999-11-10 2000-11-09 Arame de dente de serra
MXPA00011036A MXPA00011036A (es) 1999-11-10 2000-11-09 Alambre de dientes de sierra.
TR2000/03334A TR200003334A2 (tr) 1999-11-10 2000-11-10 Testere-diş teli.
US10/366,210 US20030116006A1 (en) 1999-11-10 2003-02-13 Sawtooth wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99122418A EP1099783B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03000810A Division EP1318218B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie

Publications (2)

Publication Number Publication Date
EP1099783A1 EP1099783A1 (fr) 2001-05-16
EP1099783B1 true EP1099783B1 (fr) 2003-07-30

Family

ID=8239364

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99122418A Expired - Lifetime EP1099783B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie
EP03000810A Expired - Lifetime EP1318218B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP03000810A Expired - Lifetime EP1318218B1 (fr) 1999-11-10 1999-11-10 Fil à dent de scie

Country Status (11)

Country Link
US (1) US20030116006A1 (fr)
EP (2) EP1099783B1 (fr)
JP (1) JP2001162440A (fr)
AT (2) ATE291652T1 (fr)
BR (1) BR0005315A (fr)
CA (1) CA2325508A1 (fr)
DE (3) DE29924404U1 (fr)
ES (2) ES2200455T3 (fr)
MX (1) MXPA00011036A (fr)
TR (1) TR200003334A2 (fr)
TW (1) TW522183B (fr)

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CN102768007A (zh) * 2012-06-17 2012-11-07 淮北宇光纺织器材有限公司 针布测高声光显示及控制装置
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CH713140A1 (de) * 2016-11-16 2018-05-31 Graf Cie Ag Garniturdraht.
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Also Published As

Publication number Publication date
EP1318218B1 (fr) 2005-03-23
JP2001162440A (ja) 2001-06-19
TR200003334A3 (tr) 2001-06-21
DE59906445D1 (de) 2003-09-04
DE29924404U1 (de) 2003-02-06
ES2200455T3 (es) 2004-03-01
ATE246272T1 (de) 2003-08-15
DE59911815D1 (de) 2005-04-28
MXPA00011036A (es) 2003-04-25
TR200003334A2 (tr) 2001-06-21
BR0005315A (pt) 2001-06-12
US20030116006A1 (en) 2003-06-26
ATE291652T1 (de) 2005-04-15
EP1318218A1 (fr) 2003-06-11
EP1099783A1 (fr) 2001-05-16
TW522183B (en) 2003-03-01
CA2325508A1 (fr) 2001-05-10
ES2236626T3 (es) 2005-07-16

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