WO2019024136A1 - 一种开放型编织钢帘线及其应用 - Google Patents

一种开放型编织钢帘线及其应用 Download PDF

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WO2019024136A1
WO2019024136A1 PCT/CN2017/098009 CN2017098009W WO2019024136A1 WO 2019024136 A1 WO2019024136 A1 WO 2019024136A1 CN 2017098009 W CN2017098009 W CN 2017098009W WO 2019024136 A1 WO2019024136 A1 WO 2019024136A1
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wires
steel
group
steel cord
steel wire
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PCT/CN2017/098009
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English (en)
French (fr)
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刘祥
姚利丽
周志嵩
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江苏兴达钢帘线股份有限公司
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Publication of WO2019024136A1 publication Critical patent/WO2019024136A1/zh

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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/04—Rope bands
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2046—Tire cords

Definitions

  • the invention belongs to the technical field of woven cords, and in particular relates to an open type woven steel cord and an application thereof.
  • a prominent problem with steel cord products is their corrosion resistance and adhesion properties.
  • the steel cord used in the existing radial tire there is almost no gap between the adjacent filaments, and the rubber can only bury the outer surface of the whole rope, and it is difficult to penetrate into the interior of the whole rope and between the monofilaments, the steel cord The bonding interface with the rubber is small, and the adhesion between the two is weak, thereby affecting the service life of the tire.
  • corrosive media such as water and hot air can easily diffuse through the gaps to the surface of the steel cord to corrode the coating, resulting in a decrease in the adhesion retention rate and an accelerated shortening of the tire.
  • Service life increases the unsafe factor of driving.
  • the steel cord is subjected to higher compressive stresses, particularly repeated bending or changes in curvature, which can easily occur if the tire encounters a sharp or blunt protruding object while driving.
  • Japanese Utility Model Laid-Open Publication No. SHO 61-108397U discloses an open type cord in which a monofilament is twisted into a steel cord having an elliptical interface.
  • a cord has a high elongation under a load of 2 kg, and a high elongation causes a small gap between the steel cord monofilaments to make the rubber infiltration difficult.
  • Japanese Patent Application Laid-Open No. Sho 62-170594A discloses a steel cord which also has an open structure, and the steel wire is divided into at least two groups each having a different amount of deformation, and the maximum deformation amount is 1.65, the smallest deformation.
  • the amount is 1.05 and the range of variation is 0.2-0.4.
  • the wire screw The spin shape is not optimized, and therefore, the process performance of the cord and the permeability of the rubber as well as the coordination between the monofilaments and the retention of the cord strength are inevitably deteriorated.
  • the present invention provides an open type woven steel cord and an application thereof, which have high adhesion between the steel cord and the rubber; the tire produced by using the steel cord is light in weight And reduce the rolling resistance, the tire is subjected to the top-down force of the body during driving, and the main force surface of the woven steel cord can receive more longitudinal pressure, and the fatigue resistance is good, so that the driving has good handling. Comfort and stability.
  • An open type woven steel cord wherein the steel cord is flat, the steel cord comprises three sets of steel wires which are cyclically reciprocated and woven at a certain pitch, and the three sets of steel wires are respectively the first set of steel wires 21 and the second Group of wires 31 and a third set of wires 41;
  • the first set of wires 21 spans over the third set of wires 41 and is placed between the third set of wires 41 and the second set of wires 31;
  • the second set of wires 31 spans over the first set of wires 21, placed Between the third set of wires 41 and the first set of wires 21;
  • the third set of wires 41 spans over the second set of wires 31, between the second set of wires 31 and the first set of wires 21;
  • the first set of wires 21 Across the third set of wires 41, placed between the second set of wires 31 and the third set of wires 41, and thus reciprocating.
  • each set of steel wires includes n monofilaments.
  • n the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 are a plurality of monofilaments, and the wires of each set of wire sets are not There are twisted or twisted cords.
  • the monofilaments of each of the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 have the same specifications, and the diameter of the monofilaments is 0.20-0.40 mm.
  • the pitch of the steel cord is 10-25 mm.
  • the distance between the wires of the first set of wires 21, the second set of wires 31 and the third set of wires 41 is 0.20-2.5 mm.
  • An open type woven steel cord is used to manufacture tires.
  • the present invention has the following beneficial effects:
  • the woven steel cord of the invention has a flat shape, can absorb and withstand the force from the longitudinal axis, the edge of the steel cord is wavy, and there is a large gap between the steel wires, leaving a filling in the center of the steel cord.
  • the space of the rubber material greatly improves the bleeding rate. Because the steel wire is not twisted during weaving, the curtain made in the tire manufacturing process is excellent in flatness, the warp is not warped after cutting, and is automatically butted during molding.
  • a steel cord is embedded in a rubber material as a belt layer of a rubber tire, it imparts good handling, driving comfort and driving stability to the driver.
  • Figure 1 is a schematic cross-sectional view of a prior art tanned cord 0330;
  • Figure 2 is a front elevational view of a steel cord in Embodiment 4 of the present invention.
  • Figure 3 is a schematic cross-sectional view of A-A of Figure 2.
  • An open type woven steel cord having a flat shape comprising three sets of steel wires which are alternately woven by a certain pitch and reciprocating, and the two directions of force and the weaving are both Consistently; the three sets of wires are respectively a first set of wires 21, a second set of wires 31 and a third set of wires 41; wherein: the first set of wires 21 spans over the third set of wires 41 and is placed on the third set of wires 41 Between the second set of wires 31; the second set of wires 31 spanning over the first set of wires 21, between the third set of wires 41 and the first set of wires 21; the third set of wires 41 spanning the second set Above the steel wire 31, placed between the second set of wires 31 and the first set of wires 21; the first set of wires 21 spans over the third set of wires 41, placed in the second set of wires 31 and the third set of wires 41 Between, this cycle.
  • the braid of the steel cord is 10 mm.
  • Each set of wires includes n monofilaments.
  • the monofilaments of each of the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 have the same specifications, and the monofilament diameter is 0.20 mm.
  • the distance between the wires of the first set of wires 21, the second set of wires 31 and the third set of wires 41 is 0.1 mm.
  • An open type woven steel cord is used to manufacture tires.
  • An open type woven steel cord having a flat shape comprising three sets of steel wires which are alternately woven by a certain pitch and reciprocating, and the two directions of force and the weaving are both Consistent; three sets of steel wire are the first set of steel wire 21, the second set of steel a wire 31 and a third set of wires 41; wherein: the first set of wires 21 spans over the third set of wires 41 and is disposed between the third set of wires 41 and the second set of wires 31; the second set of wires 31 spans the first Above the set of wires 21, placed between the third set of wires 41 and the first set of wires 21; the third set of wires 41 spans over the second set of wires 31, placed in the second set of wires 31 and the first set of wires Between 21; the first set of wires 21 straddle the third set of wires 41, placed between the second set of wires 31 and the third set of wires 41, and thus reciprocated.
  • the braid of the steel cord is 15 mm.
  • Each set of steel wires includes n monofilaments.
  • n 2
  • the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 are two monofilaments, and the wires in each set of wire sets are not twisted.
  • the monofilaments of each of the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 have the same specifications, and the monofilament diameter is 0.30 mm.
  • the distance between the wires of the first set of wires 21, the second set of wires 31 and the third set of wires 41 is 1.5 mm.
  • An open type woven steel cord is used to manufacture tires.
  • An open type woven steel cord having a flat shape comprising three sets of steel wires which are alternately woven by a certain pitch and reciprocating, and the two directions of force and the weaving are both Consistently; the three sets of wires are respectively a first set of wires 21, a second set of wires 31 and a third set of wires 41; wherein: the first set of wires 21 spans over the third set of wires 41 and is placed on the third set of wires 41 Between the second set of wires 31; the second set of wires 31 spanning over the first set of wires 21, between the third set of wires 41 and the first set of wires 21; the third set of wires 41 spanning the second set Above the wire 31, placed between the second set of wires 31 and the first set of wires 21; the first set of wires 21 spans over the third set of wires 41, placed in the second set Between the wire 31 and the third set of wires 41, the cycle is repeated.
  • the steel cord has a pitch of 25 mm.
  • Each set of steel wires includes 3 monofilaments.
  • the monofilaments of each of the first set of steel wires 21, the second set of steel wires 31, and the third set of steel wires 41 have the same specifications, and the monofilament diameter is 0.40 mm.
  • the distance between the wires of the first set of wires 21, the second set of wires 31 and the third set of wires 41 is 2.5 mm.
  • An open type woven steel cord is used to manufacture tires.
  • the monofilament of the steel cord is prepared by the following method:
  • the wire rod is first cleaned by mechanical descaling or chemical pickling in H 2 SO 4 or HCl solution to remove the scale present on the surface of the wire rod; then, the wire is rinsed in water and dried, and the dried disk is dried
  • the strip is subjected to the first rough drawing process; after the rough drawing, the steel wire having a diameter of 3.0-3.5 mm is obtained, and the steel wire subjected to the first rough drawing is subjected to intermediate heat treatment, which is called steel toughening treatment; Middle pull treatment, obtaining a steel wire with a diameter of 1.0-2.5 mm after the middle pull; and performing a second steel wire toughening treatment on the steel wire to be converted into pearlite; then performing electroplating treatment and thermally diffusing to form a brass plating layer Finally, the steel wire is finally drawn by a wet drawing machine; finally, a circular steel wire with a diameter of 0.10-0.60 mm is obtained, and the diameters may be 0.175 mm, 0.20 mm, 0.22 mm, 0.245
  • the manufacturing process of the woven steel cord is performed by mechanical weaving equipment, and the three sets of 21, 31, and 41 steel wires are woven at a pitch T of 15 ⁇ 0.5 mm, and the knitting step is: the first set of steel wires 21 crosses the third group.
  • the second set of wires 31 spans over the first set of wires 21, placed in the third set of wires 41 and the first set of wires 21 a third set of wires 41 spanning over the second set of wires 31 between the second set of wires 31 and the first set of wires 21; the first set of wires 21 spanning over the third set of wires 41, placed Between the second set of wires 31 and the third set of wires 41, the cycle is repeated.
  • 3 is a schematic cross-sectional view of AA of FIG.
  • the spacing L1 between the first set of wires 21 and the second set of wires 31, and the spacing L2 between the second set of wires 31 and the third set of wires 41 are both 2.0 mm,
  • the spacing L3 between the set of wires 21 and the third set of wires 41 is 0.5 mm.
  • FIG. 1 is a schematic cross-sectional view of a tanned cord 0330 as a comparative prior art example. There are voids between the braided cord wires, and the prior art wires are closely arranged in line contact. Comparative tests were carried out on the braided steel cord and the prior art tantalum steel cord 0330HT. The experimental results are shown in Table 1.
  • the type of compound selected for vulcanization is DB, supplied by Triangle Tire Co., Ltd.
  • Example 5 is basically the same as Example 4 except that the diameter of the monofilament used is 0.40 mm, n is 2, and the pitch is 20 ⁇ 0.5 mm.
  • the comparison data of the braided cord 3240HT and the prior art tanned cord 1540HT is shown in Table 2.
  • the vulcanized compound is model B176 and is supplied by Continental Tire.
  • Example 6 is basically the same as Example 4 except that the diameter of the monofilament used is 0.32 mm, n is 3, the pitch is 20 ⁇ 0.5 mm, and the monofilament in the group is made of tantalum cord 0332HT instead of alone. Three monofilaments.
  • the comparison data of the braided cord 3332HT and the prior art tanned cord 3632HT cord is shown in Table 3.
  • the vulcanized compound model is G271 and is supplied by Taifeng Tire Co., Ltd.

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  • Ropes Or Cables (AREA)
  • Tires In General (AREA)

Abstract

一种开放型编织钢帘线，钢帘线呈扁平状，所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，第一组钢丝（21）跨过第三组钢丝（41）之上，置于第三组钢丝（41）和第二组钢丝（31）之间；第二组钢丝（31）跨过第一组钢丝（21）之上，置于第三组钢丝（41）和第一组钢丝（21）之间；第三组钢丝（41）跨过第二组钢丝（31）之上，置于第二组钢丝（31）和第一组钢丝（21）之间；第一组钢丝（21）跨过第三组钢丝（41）之上，置于第二组钢丝（31）和第三组钢丝（41）之间，如此循环往复；该编织钢帘线能有效地吸收与承受来自纵轴方向的力，钢帘线边部呈波浪形，并且钢丝间有较大间隙，在钢帘线中央留有填充胶料的空间，有效地提高了渗胶率。

Description

一种开放型编织钢帘线及其应用 技术领域
本发明属于编织帘线技术领域，特别涉及一种开放型编织钢帘线及其应用。
背景技术
钢帘线产品的突出问题是它的抗腐蚀性能和粘合性能。在现有的子午线轮胎中使用的钢帘线，相邻单丝间几乎没有空隙，橡胶只能包埋整绳的外表面，而很难渗透到整绳内部和单丝之间，钢帘线与橡胶的粘合界面小，且两者之间的粘合力弱，从而影响轮胎的使用寿命。其次，当轮胎使用过程中出现橡胶微小缝隙等损伤现象时，水和热空气等腐蚀介质很容易通过这些缝隙扩散到钢帘线表面而使镀层腐蚀，导致粘合保持率下降，加速缩短轮胎的使用寿命，增加行驶的不安全因素。再次，轮胎行进时，钢帘线经受较高的挤压应力，特别是反复的弯曲或曲率的变化，若驾驶时轮胎遇到尖锐或钝的突出物体时，易发生钢丝刺出的问题。
为了提高钢帘线的渗胶性能，日本实用新型专利申请昭61-108397U公开了一种开放型帘线，单丝被捻制成界面为椭圆形的钢帘线。但这种帘线在2kg的载荷下伸长率很高，伸长率高导致钢帘线单丝之间的间隙变小，使橡胶渗入困难。进一步，日本发明专利申请昭62-170594A公开了一种钢帘线，同样具有开放型的结构，钢丝至少分为两组，每组具有不同变形量的，最大的变形量为1.65，最小的变形量为1.05，变化的范围为0.2-0.4。此种情况下，钢丝的螺 旋状并没有优化，因此，帘线的工艺性能及橡胶的渗透性以及单丝之间的协调和帘线强度的保持性就不可避免的恶化了。
发明内容
为了解决现有技术中的问题，本发明提供一种开放型编织钢帘线及其应用，该钢帘线和橡胶间具有较高的粘合力；采用此钢帘线生产出的轮胎重量轻，并且降低滚动阻力，轮胎在行驶过程中，受到车身由上而下的力，编织钢帘线主要受力面正好可以接受更多的纵向压力，抗疲劳性能好，使驾驶具有良好的操控性、舒适性和稳定性。
为实现上述目的，本发明采用的技术方案为：
一种开放型编织钢帘线，钢帘线呈扁平状，所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，三组钢丝分别为第一组钢丝21、第二组钢丝31和第三组钢丝41；
其中：第一组钢丝21跨过第三组钢丝41之上，置于第三组钢丝41和第二组钢丝31之间；第二组钢丝31跨过第一组钢丝21之上，置于第三组钢丝41和第一组钢丝21之间；第三组钢丝41跨过第二组钢丝31之上，置于第二组钢丝31和第一组钢丝21之间；第一组钢丝21跨过第三组钢丝41之上，置于第二组钢丝31和第三组钢丝41之间，如此循环往复。
进一步的，每组钢丝包括n根单丝，当n＝1时，第一组钢丝21、第二组钢丝31和第三组钢丝41均为1根单丝。
进一步的，每组钢丝包括n根单丝，当n≥2时，第一组钢丝21、第二组钢丝31和第三组钢丝41为若干根单丝，每组钢丝组内钢丝没 有扭绞或为经过捻制的帘线。
进一步的，所述第一组钢丝21、第二组钢丝31和第三组钢丝41中每组的单丝规格均相同，且单丝直径为0.20-0.40mm。
进一步的，所述钢帘线的编距为10-25mm。
进一步的，交错编织时，两个方向的力和编距均保持一致。
进一步的，所述第一组钢丝21、第二组钢丝31和第三组钢丝41的组间钢丝间距为0.20-2.5mm。
一种开放型编织钢帘线用于制造轮胎。
与现有技术相比，本发明具有以下有益效果：
本发明的编织钢帘线为扁平状，能很好的吸收与承受来自纵轴方向的力，钢帘线边部呈波浪形，并且钢丝间有较大间隙，在钢帘线中央留有填充胶料的空间，这样大大提高了渗胶率。因为编织时钢丝无扭绞，在轮胎制造过程中所制得的帘布平整性优异，裁剪后帘布无翘曲，并且成型时自动对接。将这种钢帘线嵌入在橡胶材料中作为橡胶轮胎的带束层时，它将赋予驾驶员良好的操控性、驾驶舒适性和驾驶稳定性。
附图说明
图1是现有技术中捻制帘线0330的横截面示意图；
图2是本发明实施例4中钢帘线的主视图；
图3是图2中A-A的截面示意图。
其中：21-第一组钢丝，31-第二组钢丝，41-第三组钢丝。
具体实施方式
下面结合实施例对本发明作更进一步的说明。
实施例1
一种开放型编织钢帘线，钢帘线呈扁平状，所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，交错编织时，两个方向的力和编距均保持一致；三组钢丝分别为第一组钢丝21、第二组钢丝31和第三组钢丝41；其中：第一组钢丝21跨过第三组钢丝41之上，置于第三组钢丝41和第二组钢丝31之间；第二组钢丝31跨过第一组钢丝21之上，置于第三组钢丝41和第一组钢丝21之间；第三组钢丝41跨过第二组钢丝31之上，置于第二组钢丝31和第一组钢丝21之间；第一组钢丝21跨过第三组钢丝41之上，置于第二组钢丝31和第三组钢丝41之间，如此循环往复。所述钢帘线的编距为10mm。
每组钢丝包括n根单丝，当n＝1时，第一组钢丝21、第二组钢丝31和第三组钢丝41均为1根单丝；每组钢丝包括n根单丝。
所述第一组钢丝21、第二组钢丝31和第三组钢丝41中每组的单丝规格均相同，且单丝直径为0.20mm。所述第一组钢丝21、第二组钢丝31和第三组钢丝41的组间钢丝间距为0.1mm。
一种开放型编织钢帘线用于制造轮胎。
实施例2
一种开放型编织钢帘线，钢帘线呈扁平状，所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，交错编织时，两个方向的力和编距均保持一致；三组钢丝分别为第一组钢丝21、第二组钢 丝31和第三组钢丝41；其中：第一组钢丝21跨过第三组钢丝41之上，置于第三组钢丝41和第二组钢丝31之间；第二组钢丝31跨过第一组钢丝21之上，置于第三组钢丝41和第一组钢丝21之间；第三组钢丝41跨过第二组钢丝31之上，置于第二组钢丝31和第一组钢丝21之间；第一组钢丝21跨过第三组钢丝41之上，置于第二组钢丝31和第三组钢丝41之间，如此循环往复。所述钢帘线的编距为15mm。
每组钢丝包括n根单丝，当n＝2时，第一组钢丝21、第二组钢丝31和第三组钢丝41为2根单丝，每组钢丝组内钢丝没有扭绞。
所述第一组钢丝21、第二组钢丝31和第三组钢丝41中每组的单丝规格均相同，且单丝直径为0.30mm。所述第一组钢丝21、第二组钢丝31和第三组钢丝41的组间钢丝间距为1.5mm。
一种开放型编织钢帘线用于制造轮胎。
实施例3
一种开放型编织钢帘线，钢帘线呈扁平状，所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，交错编织时，两个方向的力和编距均保持一致；三组钢丝分别为第一组钢丝21、第二组钢丝31和第三组钢丝41；其中：第一组钢丝21跨过第三组钢丝41之上，置于第三组钢丝41和第二组钢丝31之间；第二组钢丝31跨过第一组钢丝21之上，置于第三组钢丝41和第一组钢丝21之间；第三组钢丝41跨过第二组钢丝31之上，置于第二组钢丝31和第一组钢丝21之间；第一组钢丝21跨过第三组钢丝41之上，置于第二组 钢丝31和第三组钢丝41之间，如此循环往复。所述钢帘线的编距为25mm。
每组钢丝包括3根单丝，当n＝3时，第一组钢丝21、第二组钢丝31和第三组钢丝41为3根单丝，每组钢丝组内钢丝3经过捻制的帘线。
所述第一组钢丝21、第二组钢丝31和第三组钢丝41中每组的单丝规格均相同，且单丝直径为0.40mm。所述第一组钢丝21、第二组钢丝31和第三组钢丝41的组间钢丝间距为2.5mm。
一种开放型编织钢帘线用于制造轮胎。
实施例4
钢帘线的单丝由以下方法制备：
选择重量百分比含碳量为0.60-1.10％、锰含量0.40-0.70％、硅含量0.15-0.30％、最大硫含量0.03％、最大磷含量0.30％的盘条；
首先通过机械除锈或在H2SO4或HCl溶液中进行化学酸洗来清洗盘条，以便去除存在盘条表面的氧化皮；然后，将线材在水中漂洗并且干燥，并对干燥过的盘条进行第一道粗拉工序；粗拉后会获得直径为3.0-3.5mm的钢丝，并对经过第一道粗拉的钢丝进行中间热处理，被称之为钢丝韧化处理；然后对钢丝进行中拉处理，中拉后获得直径为1.0-2.5mm的钢丝；并对该钢丝进行第二次钢丝韧化处理以便能够转变成珠光体；然后进行电镀处理，并进行热扩散以形成黄铜镀层；最后通过湿拉机对钢丝进行最后一次拉拔；最终得到直径为0.10-0.60mm的圆形钢丝，直径可以为0.175mm、0.20mm、0.22mm、 0.245mm、0.28mm、0.30mm等。
如图2所示，图中为编织钢帘线的主视图，所示编织帘线的结构n＝1，组内单丝为一根。它具有三组钢丝，含碳量为0.82％，单丝直径为0.30mm，编号命名为：3130HT编织帘线。第一位“3”代表3组单丝，第二位1代表组内单丝的个数，30代表单丝的直径为0.30mm。T表示为编距。
编织钢帘线的制造过程，是通过机械编织设备，将所述21、31、41三组钢丝以编距T为15±0.5mm编织，编织步骤为：第一组钢丝21跨过第三组钢丝41之上，置于第三组钢丝41和第二组钢丝31之间；第二组钢丝31跨过第一组钢丝21之上，置于第三组钢丝41和第一组钢丝21之间；第三组钢丝41跨过第二组钢丝31之上，置于第二组钢丝31和第一组钢丝21之间；第一组钢丝21跨过第三组钢丝41之上，置于第二组钢丝31和第三组钢丝41之间，如此循环往复。图3为图2中A-A的截面示意图，第一组钢丝21和第二组钢丝31之间的间距L1、第二组钢丝31和第三组钢丝41之间的间距L2均为2.0mm，第一组钢丝21和第三组钢丝41之间的间距L3为0.5mm。
选择同种规格、同等强度和同等数量单丝组成的现有技术捻制钢帘线0330HT与编织钢帘线进行对比。图1作为对比的现有技术示例的捻制帘线0330横截面示意图。编织帘线钢丝间有孔隙，而现有技术钢丝紧密排列呈线接触。对编织钢帘线和现有技术捻制钢帘线0330HT进行对比试验，实验结果见表1。硫化选择的胶料型号为DB，由三角轮胎股份有限公司提供。
表1 编织钢帘线3130HT与捻制钢帘线0330HT实验结果
Figure PCTCN2017098009-appb-000001
实施例5
实施例5与实施例4基本相同，不同的是采用的单丝直径为0.40mm，n为2，编距为20±0.5mm。编织帘线3240HT与现有技术捻制帘线1540HT对比数据如表2。硫化胶料型号为B176，由德国大陆轮胎公司提供。
表2 编织钢帘线3240HT与捻制钢帘线1540HT实验结果
Figure PCTCN2017098009-appb-000002
实施例6
实施例6与实施例4基本相同，不同的是采用的单丝直径为0.32mm，n为3，编距为20±0.5mm，并且组内单丝采用捻制的帘线0332HT，而不是单独的三根单丝。编织帘线3332HT与现有技术捻制帘线3632HT帘线对比数据如表3。硫化胶料型号为G271，由泰丰轮胎股份有限公司提供。
表3 编织钢帘线3332HT与捻制钢帘线3632HT实验结果
Figure PCTCN2017098009-appb-000003
从表1、表2和表3中的数据可以看出，在使用同等规格、同等强度和同等数量单丝的条件下，编织帘线与捻制帘线相比，线密度更 低，但破断力、疲劳值都要高，粘合力改善，间接显示了渗胶率高。以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (8)

  1. 一种开放型编织钢帘线，钢帘线呈扁平状，其特征在于：所述钢帘线包括以一定的编距循环往复进行交错编织的三组钢丝，三组钢丝分别为第一组钢丝(21)、第二组钢丝(31)和第三组钢丝(41)；
    其中：第一组钢丝(21)跨过第三组钢丝(41)之上，置于第三组钢丝(41)和第二组钢丝(31)之间；第二组钢丝(31)跨过第一组钢丝(21)之上，置于第三组钢丝(41)和第一组钢丝(21)之间；第三组钢丝(41)跨过第二组钢丝(31)之上，置于第二组钢丝(31)和第一组钢丝(21)之间；第一组钢丝(21)跨过第三组钢丝(41)之上，置于第二组钢丝(31)和第三组钢丝(41)之间，如此循环往复。
  2. 根据权利要求1所述的开放型编织钢帘线，其特征在于：每组钢丝包括n根单丝，当n＝1时，第一组钢丝(21)、第二组钢丝(31)和第三组钢丝(41)均为1根单丝。
  3. 根据权利要求1所述的开放型编织钢帘线，其特征在于：每组钢丝包括n根单丝，当n≥2时，第一组钢丝(21)、第二组钢丝(31)和第三组钢丝(41)为若干根单丝，每组钢丝组内钢丝没有扭绞或为经过捻制的帘线。
  4. 根据权利要求1所述的开放型编织钢帘线，其特征在于：所述第一组钢丝(21)、第二组钢丝(31)和第三组钢丝(41)中每组的单丝规格均相同，且单丝直径为0.20-0.40mm。
  5. 根据权利要求1所述的开放型编织钢帘线，其特征在于：所述钢帘线的编距为10-25mm。
  6. 根据权利要求1所述的开放型编织钢帘线，其特征在于：交错编织时，两个方向的力和编距均保持一致。
  7. 根据权利要求1所述的开放型编织钢帘线，其特征在于：所述第一组钢丝(21)、第二组钢丝(31)和第三组钢丝(41)的组间钢丝间距为0.20-2.5mm。
  8. 根据权利要求1-7任一所述的开放型编织钢帘线用于制造轮胎。
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