Supercharge Your Innovation With Domain-Expert AI Agents!

A rotary shell fabric and its planar forming method

A shell and fabric technology, applied in the field of rotary shell fabric and its plane forming, can solve the problems of reducing the usability of the fabric, the influence of the warp continuity, etc., and achieve the effect of good top forming, realizing continuity, and ensuring continuity.

Active Publication Date: 2021-05-18
NANJING FIBERGLASS RES & DESIGN INST CO LTD
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But above-mentioned warp yarn attenuation type forming method from big end to top easily has an impact on the continuity of warp yarn, and the finished product of molding has the shearing point that is breakpoint of a plurality of radial yarns on the circumferential surface, and the existence of breakpoint has reduced fabric Performance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A rotary shell fabric and its planar forming method
  • A rotary shell fabric and its planar forming method
  • A rotary shell fabric and its planar forming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment is a three-dimensional surface structure with a regular curved surface, and the outer shape of the fabric is as follows image 3 As shown, the diameter of the large end of the fabric is 300mm, the height is 600mm, and the warp yarn is 66tex×1 strand of quartz glass fiber, and the weft yarn is 66tex×1 strand of quartz glass fiber for weaving. 16 roots / cm.

[0033] Its design steps are:

[0034] Firstly, the three-dimensional fabric is flattened, and its shape and characteristic dimensions are recorded according to the forming method of turning 90 degrees.

[0035] Then carry out profiling design according to the appearance characteristics of the fabric, and place the top and the big end of the fabric on both sides of the weft insertion direction of the loom respectively;

[0036] According to the position of the top and large end of the fabric, combined with the density of warp and weft yarns, the number of warp yarns corresponding to the current weft i...

Embodiment 2

[0038] This embodiment is a three-dimensional surface structure with a regular curved surface. The diameter of the large end of the fabric is 200mm and the height is 500mm. The warp yarn is 66tex×1 strand of quartz glass fiber, and the weft yarn is 66tex×1 strand of quartz glass fiber for weaving. The weaving warp yarn density is 20 root / cm, the weft density is 16 threads / cm.

[0039] The design steps are as follows: first planarize the three-dimensional fabric, and record its shape and characteristic dimensions according to the forming method of turning 90 degrees. Then carry out profiling design according to the shape characteristics of the fabric, and place the top and big end of the fabric on both sides of the weft insertion direction of the loom respectively; according to the positions of the top and big end of the fabric, combined with the density of warp and weft yarns, calculate the corresponding position of the current weft The number of warp yarns, the density of wef...

Embodiment 3

[0041] This embodiment is a three-dimensional back-cone rotary body with a certain thickness. The corresponding fabric is a flat multi-layer fabric with a diameter of 500 mm at the big end and a height of 800 mm. The warp yarn is 200 tex × 2 strands of quartz glass fiber, and the weft yarn is 200 tex × 2 strands. The quartz glass fiber is used for weaving, the weaving warp yarn density is 14 yarns / cm, and the weft yarn density is 10 yarns / cm.

[0042] The design steps are as follows: first planarize the three-dimensional fabric, and record its shape and characteristic dimensions according to the forming method of turning 90 degrees. Then carry out profiling design according to the shape characteristics of the fabric, and place the top and big end of the fabric on both sides of the weft insertion direction of the loom respectively; according to the positions of the top and big end of the fabric, combined with the density of warp and weft yarns, calculate the corresponding positi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of three-dimensional fabric weaving, and in particular relates to a rotary shell fabric and a plane forming method thereof. The distance between the busbar and the axis in the rotary shell is not exactly the same; when forming, the three-dimensional fabric is planarized, and the axis of the rotary shell fabric is woven perpendicular to the take-up direction of the loom, that is, weaving is carried out in line with the weft insertion direction, And the return type weft insertion is adopted. In the method of the present invention, when forming the rotary casing fabric whose distance from the busbar to the axis is not completely the same, the axis of the rotary casing fabric is woven perpendicular to the take-up direction of the loom, that is, weaving is carried out in the same direction as the weft insertion direction, and the turning type is adopted. Weft insertion; realize the continuity of the yarn, avoid the breakpoints existing on the outer peripheral surface of the rotary shell fabric in the prior art, and improve the mechanical properties of the fabric; and realize the continuous capping of the top due to the continuity of the yarn; can simultaneously Two pieces of fabric are arranged, and the width of the fabric is no longer limited by the maximum width of the weft insertion direction of the loom.

Description

technical field [0001] The invention belongs to the field of three-dimensional fabric weaving, and in particular relates to a rotary shell fabric and a plane forming method thereof. Background technique [0002] The profiled fabric for the shell of a rotor is currently widely used in aviation, aerospace, etc. The product is an integral fabric with a certain shape, and it is a necessary reinforcement material for weaving high-performance, net-size composite materials. [0003] In the prior art, pattern-based weaving is often used to ensure the profiling accuracy of the fabric, but this method is difficult to operate. In the existing weaving method, the profiling fabric is used. The patent CN1932102A discloses a three-dimensional conical shell fabric. The weaving method and its products, wherein because the fabric has a region where the diameter changes, it is necessary to design warp trimming points on both sides of the fabric axis according to the plane shape of the fabric a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): D03D25/00
CPCD03D25/005
Inventor 朱建勋李小欢胡方田朱梦蝶赵敬李丹丹
Owner NANJING FIBERGLASS RES & DESIGN INST CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com