CN104213350A - Method for reducing contraction of head end of gumming cord fabric - Google Patents
Method for reducing contraction of head end of gumming cord fabric Download PDFInfo
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- CN104213350A CN104213350A CN201410410580.1A CN201410410580A CN104213350A CN 104213350 A CN104213350 A CN 104213350A CN 201410410580 A CN201410410580 A CN 201410410580A CN 104213350 A CN104213350 A CN 104213350A
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- head end
- cord fabric
- sewing
- gumming
- contraction
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Abstract
The invention relates to a method for reducing contraction of a head end of a gumming cord fabric. The method comprises the following steps: increasing the length of the head end of a grey fabric from original 30-40cm to 60-80cm; folding the head end of the grey fabric, and sewing 4-5 layers vertically instead of 2-3 layers, wherein the gumming sewing threads are polyster fibre sewing threads with the thermal shrinkage of less than or equal to 5.0%, and a sewing cloth linear is a cotton sewing cloth liner with the thermal shrinkage of less more or equal to 6.0%. The method for reducing contraction of the head end of the gumming cord fabric can be used for effectively solving the problems of the transverse deformation and contraction generated in the gumming process of the head end of the grey cord fabric, and thoroughly eliminating the problems that lateral splitting during calendaring and unreeling of a tire factory is caused by poor reeling and molding effects of two sides of the cord fabric adjacent to a yarn beam due to contraction of the head and tail of the head end of the gumming cord fabric.
Description
Technical field
The present invention relates to a kind of method reducing dipped type cord fabric head end and shrink, particularly relate to a kind of method reducing tyre framework material dipped type cord fabric head end and shrink, belong to technical field of polymer materials.
Background technology
Dipped type cord fabric is the main framework material of tire, in dipped type cord fabric production process, the head of the rolling openpore cord fabric head end with warp and weft yarns, tail need be sewed up, ensure continuous production with this.Openpore cord fabric is after impregnation heat treatment theoretically, the leftover of bolt of cloth, the cloth tail fabric width of dipped type cord fabric should be consistent with main body fabric width, but, in fact owing to being subject to the effect of impregnation drying, drawing-off, shaping area high-tension, high temperature, the horizontal gross distortion of head end and contraction can be caused, thus the main body fabric width that dipped type cord fabric just there will be the leftover of bolt of cloth of head end, cloth tail fabric width is less than dipped type cord fabric, finally cause cord both sides, nearly wood spool place to play roll forming bad, when tire plant calendering debatching, phenomenon is split on generation limit, nearly wood spool place.
Summary of the invention
The object of the invention is to solve openpore cord fabric head end and shrink large problem in impregnation production process, a kind of method reducing dipped type cord fabric head end and shrink is provided, efficiently solve transversely deforming and contraction problem that openpore cord fabric head end occurs in immersing glue process, completely eliminating the cord both sides, nearly wood spool place of shrinking and causing because of the leftover of bolt of cloth of dipped type cord fabric head end, cloth tail, to play roll forming bad, and the problem of splitting on limit occurs when causing tire plant to roll debatching.
for achieving the above object, the following technical scheme of the present invention:
Reduce the method that dipped type cord fabric head end shrinks, increase grey cloth head end length, be increased to 60 ~ 80 cm by original length 30 ~ 40 cm; Folding grey cloth head end is threaded by upper and lower 2 ~ 3 layered sutures and is changed 4 ~ 5 layered sutures into and thread; Impregnation sewing thread is the polyster fibre sewing thread of percent thermal shrinkage≤5.0%; Sewing shield is the cotton sewing shield of percent thermal shrinkage≤6.0%.
According to the method that above-mentioned reduction dipped type cord fabric head end shrinks, the test atmosphere of the percent thermal shrinkage of sewing thread and shield is hot-air condition, and probe temperature is 200 ~ 250 DEG C.
the positive beneficial effect of the present invention
The present invention increases grey cloth head end length, is convenient to follow-uply can be folded into multilayer; Grey cloth head end is threaded by 2 ~ 3 layered sutures and is changed 4 ~ 5 layered sutures into and thread, and the gross thickness of grey cloth head end sewing increases by 2 ~ 3 mm than former sewing gross thickness, improves the tension deformability of head end weft yarn longitudinal direction, guarantees that the width of head end transverse direction does not change; Impregnation sewing thread adopts lower shrinkage polyster fibre sewing thread, its percent thermal shrinkage is less than ordinary sewing line by 6 ~ 8%, reduce the thermal shrinkage force of head end transverse direction: sewing shield adopts the cotton sewing shield of lower shrinkage, its percent thermal shrinkage is less than ordinary sewing shield by 7 ~ 9%, solves the problem that the after-contraction of original ordinary sewing shield impregnation is large.
The present invention weaves on basis at original grey cloth, by the improvement to impregnation bind and material, thus efficiently solve the transversely deforming and contraction problem that openpore cord fabric head end occurs in immersing glue process, completely eliminating the cord both sides, nearly wood spool place of shrinking and causing because of the leftover of bolt of cloth of dipped type cord fabric head end, cloth tail, to play roll forming bad, there is the problem of splitting on limit when causing tire plant to roll debatching, be widely used in polyamide fibre 66, HMLS Polyester or PA6 tire cord.
Detailed description of the invention
Below in conjunction with some specific embodiments, the present invention is further described.
Embodiment 1
The dipped type cord fabric head end material of China Shenma Group Co., Ltd. is polyamide fibre 66 cord fabric, by increasing grey cloth head end length, is increased to 70 cm by original length 35 cm; Grey cloth head end is threaded by upper and lower three layered sutures and is changed five layered sutures into and thread, and the gross thickness of grey cloth head end sewing increases by 2 mm than former sewing gross thickness; Impregnation sewing thread adopts lower shrinkage polyster fibre sewing thread, and material is terylene, and through HEAT SETTING, upper Lasaxing Oilfield, percent thermal shrinkage is 3%, reduces 8% than ordinary sewing line percent thermal shrinkage; Sewing shield uses the sewing shield of lower shrinkage, and shield material is cotton, and through heat treatment, percent thermal shrinkage is 4%, reduces 9% than ordinary sewing shield percent thermal shrinkage.
After adopting the present invention to reduce the method for dipped type cord fabric head end contraction, dipped type cord fabric head end and main body fabric width shrinkage factor are reduced to 10% by 16%, reach technological design value, completely eliminating the cord both sides, nearly wood spool place of shrinking and causing because of the leftover of bolt of cloth of dipped type cord fabric head end, cloth tail, to play roll forming bad, and the problem of splitting on limit occurs when causing tire plant to roll debatching.
Claims (2)
1. reduce the method that dipped type cord fabric head end shrinks, it is characterized in that, increase grey cloth head end length, be increased to 60 ~ 80 cm by original length 30 ~ 40 cm; Folding grey cloth head end is threaded by upper and lower 2 ~ 3 layered sutures and is changed 4 ~ 5 layered sutures into and thread; Impregnation sewing thread is the polyster fibre sewing thread of percent thermal shrinkage≤5.0%; Sewing shield is the cotton sewing shield of percent thermal shrinkage≤6.0%.
2. the method for reduction dipped type cord fabric head end contraction according to claim 1, it is characterized in that, the test atmosphere of the percent thermal shrinkage of sewing thread and shield is hot-air condition, and probe temperature is 200 ~ 250 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410580.1A CN104213350B (en) | 2014-08-19 | 2014-08-19 | Reduce the method that dipped type cord fabric head end shrinks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410580.1A CN104213350B (en) | 2014-08-19 | 2014-08-19 | Reduce the method that dipped type cord fabric head end shrinks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104213350A true CN104213350A (en) | 2014-12-17 |
| CN104213350B CN104213350B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410410580.1A Active CN104213350B (en) | 2014-08-19 | 2014-08-19 | Reduce the method that dipped type cord fabric head end shrinks |
Country Status (1)
| Country | Link |
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| CN (1) | CN104213350B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113792389A (en) * | 2021-07-29 | 2021-12-14 | 浦林成山（山东）轮胎有限公司 | Correction calculation method for slotting density of warping device of steel wire calender |
| CN115287854A (en) * | 2022-07-27 | 2022-11-04 | 平顶山神马帘子布发展有限公司 | Width expansion control method for reducing width shrinkage of outer layer of impregnated cloth |
Citations (8)
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| US4357385A (en) * | 1979-06-15 | 1982-11-02 | Teijin Limited | Filamentary yarn useful for the weft component of a tire cord fabric and a tire cord fabric including such a yarn |
| JPH0214015A (en) * | 1988-04-14 | 1990-01-18 | Unitika Ltd | Polyester yarn leader cloth |
| CN1169914A (en) * | 1996-07-05 | 1998-01-14 | 王广武 | Cord fabrics with lining metal fibers |
| JP2005206962A (en) * | 2004-01-21 | 2005-08-04 | Yokohama Rubber Co Ltd:The | Rubber-reinforcing cord fabric |
| JP2009235611A (en) * | 2008-03-27 | 2009-10-15 | Bridgestone Corp | Guide-cloth for tire cord fabric |
| CN102321961A (en) * | 2011-09-07 | 2012-01-18 | 浙江尤夫科技工业有限公司 | Gum dipping canvas for horizontally strengthening toughness and production process thereof |
| CN202401204U (en) * | 2011-12-31 | 2012-08-29 | 杭州帝凯工业布有限公司 | Nylon 66 white body cord fabric capable of preventing shrinkage of fabric of jointing segment during glue-impregnating process |
| CN103306003A (en) * | 2013-06-17 | 2013-09-18 | 联新（开平）高性能纤维有限公司 | Novel guiding fabric for tire impregnated fabric |
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2014
- 2014-08-19 CN CN201410410580.1A patent/CN104213350B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357385A (en) * | 1979-06-15 | 1982-11-02 | Teijin Limited | Filamentary yarn useful for the weft component of a tire cord fabric and a tire cord fabric including such a yarn |
| JPH0214015A (en) * | 1988-04-14 | 1990-01-18 | Unitika Ltd | Polyester yarn leader cloth |
| CN1169914A (en) * | 1996-07-05 | 1998-01-14 | 王广武 | Cord fabrics with lining metal fibers |
| JP2005206962A (en) * | 2004-01-21 | 2005-08-04 | Yokohama Rubber Co Ltd:The | Rubber-reinforcing cord fabric |
| JP2009235611A (en) * | 2008-03-27 | 2009-10-15 | Bridgestone Corp | Guide-cloth for tire cord fabric |
| CN102321961A (en) * | 2011-09-07 | 2012-01-18 | 浙江尤夫科技工业有限公司 | Gum dipping canvas for horizontally strengthening toughness and production process thereof |
| CN202401204U (en) * | 2011-12-31 | 2012-08-29 | 杭州帝凯工业布有限公司 | Nylon 66 white body cord fabric capable of preventing shrinkage of fabric of jointing segment during glue-impregnating process |
| CN103306003A (en) * | 2013-06-17 | 2013-09-18 | 联新（开平）高性能纤维有限公司 | Novel guiding fabric for tire impregnated fabric |
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| 段文亮等: ""高模低缩涤纶浸胶帘子布的研究与开发"", 《河南纺织高等专科学校学报》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113792389A (en) * | 2021-07-29 | 2021-12-14 | 浦林成山（山东）轮胎有限公司 | Correction calculation method for slotting density of warping device of steel wire calender |
| CN115287854A (en) * | 2022-07-27 | 2022-11-04 | 平顶山神马帘子布发展有限公司 | Width expansion control method for reducing width shrinkage of outer layer of impregnated cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104213350B (en) | 2016-03-23 |
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