"Thirteen Five" period, China knitting machinery industry will be developed to promote a number of more efficient, more extensive adaptability, shorter production processes, material less energy consumption advanced knitting machinery. In the "textile machinery industry," Thirteen five "development guidance" included 59 "Thirteen Five" period "key scientific and technological project", the project has nine knitting machinery.

"Thirteen Five" period, will focus on knitting machinery lifting equipment stability and adaptability to further narrow the gap reliability, consistency with the international advanced products of knitting machinery products.

1 stereolithography (Knit & Wear) research and development of computerized flat knitting machine

Meaning and content: While the leading foreign computerized flat knitting machine manufacturers have introduced computerized flat knitting machine woven wear for many years, but expensive and other reasons could not universal, but China has not yet woven wear knitting machine a real sense of the market.

Knit wear knitting machine developed by the main contents include: transformation knitting machine, including the multi-needle bed technology, the compound needle technology and single-stage needle selection technology applications; a version optimized system software.

Key technology: more than one needle bed computerized flat knitting machine development, including with the corresponding machine design and control system; 2 woven wear a version of the software development process is mainly knit wear automatically generated.

2020 goal: to complete the development of multi-pin computer knitting machine bed prototype.

2 knit line defect recognition system

Meaning and content: The system can replace artificial knitted fabric for effective dynamic line defect detection, identification system with high accuracy, reduce labor intensity Tenders, reduce labor, improve the efficiency of the fabric inspection.

Key technologies: knitted fabric defect image recognition technology; 2 dynamic recognition technology knitted defect characteristics; 3 rapid feedback and rapid response of the machine knitted defect information...

2020 goal: complete dynamic identification and analysis of the knitted fabric defects, complete prototyping.

3 high-performance fiber multi-axial warp knitting machine

Significance and Content: The aircraft used for high-performance multi-axial warp fiber production, the warp knitting products with lightweight, high strength, high modulus, high tear strength, quasi-isotropic, excellent quality, in aviation aspects of aerospace, large conveyor belt, a flexible high-performance composite materials have great prospects.

Key technologies: 1 bars of rotation technique and control; 2 via the rotary control technology and machine knitting machine; 3 warp knitting machine of the control mechanism of coordination; 4 warp knitting machine off mechanism, sliding.. coordinating body, into the ring mechanism, pulling up mechanism, the transmission mechanism.

2020 Target: breakthroughs in key technologies, prototype high-performance fiber multi-axial warp knitting machine equipment.

4 high-performance multi-axial fiber circular knitting machine

Meaning and content: high-performance fiber round multi-axial warp knitting technology as the world's first, the device is widely used in the field of production of large diameter pipes and other transportation products. With the development of high performance fiber production technology, high-performance fiber as a reinforcing material of a flexible composite pipe replace traditional pipe huge market space, the current high-performance fiber textile equipment tubular blank is still an urgent need to develop multi-axial warp round knitting machine. Development of small prototype achieved initial success.

Key technology: a multi-multi-angle lapping and opening mechanism; 2 warp yarns and knitting cushion mechanism; 3 lapping mechanism, into the ring mechanism, coordination and control of the transmission mechanism...

2020 goal: a high-performance fiber trial round multi-axial warp knitting machine prototype.

5-step WHOLEGARMENT socks

Significance and Content: With a shortage of skilled workers, socks sectors of production affected. Original socks slit the first step by the recruitment of young workers facing a difficult operating situation. It is necessary to research and development of weaving on mesh, seam integration of socks, hosiery production to achieve full process automation, freeing up labor. Our country has been the development of the technology, and trial a prototype, but because abundant labor force, there is no market demand, and because of institutional complexity, limited to the technical level, could not be further improved.

Key technologies: 1 head socks closing coil is automatically transferred from the syringe to the sewing head disk institutions; 2 slit the first disc moved seam area, slit the first disc automatically close alignment; 3 automatic sewing head and... off into socks.

2020 goal: a stable performance trial weaving on mesh, seam-step type socks full prototype.

6 high-speed knitting production technology

Meaning and content: the rapid development of the knitting industry, knitting machines requires a higher engine speed, finer pitch gauge. Knitting machine knitting elements with motion studies curve, kinematic and dynamic analysis of the needles into the circle has a certain research foundation. On the knitting machine has been set to achieve a yarn (warp), traction winding, a plurality of modules in one central control electronic jacquard, electronic yarn breaking automatically and so on. The key future technology knitting elements of knitting machine main motion analysis, materials, design and other processing, System knitting tension control technology.

Key technologies: 1. Study knitting elements and transmission materials and processing technology; 2 research knitting tension control technology, to achieve constant tension control to yarn weaving process / pulling; 3 neural network intelligent control technology. parking can be controlled positioning and intelligent tension compensation.

2020 goal: to develop a speed of 4000 rev / min or more high-speed warp knitting machine, machine No. E40.

2. to develop a speed of 50 revolutions / min 30chr (34) circular knitting machine, machine number more than 50G.

7 full range of fine gauge

High-speed latch needle manufacturing technology

Significance and Content: difficult to break away from the high-speed weft knitting machine needle latch needle manufacturing technology: hard and tough performance, hardness> HRC58-60, good fatigue resistance. Production of stockings needle, needle seamless underwear, fine gauge circular knitting needles.

Domestic high-speed weft fine gauge needle tongue pin main annual demand of more than 3 billion. Currently stockings needle has been developed and preliminary trial.

Key technology: a clean needle blank blanking technology; 2 fine needle tongue manufacturing technology; 3 tongue and groove design and fine milling; 4 fine needle tongue mount technology; 5 thin needle deformation process control technology.... ; 6-pin thin heat treatment process of deformation control technology.

2020 Target: breakthroughs in key technologies, the completion of the knitting needle production trial. Establish the use of domestic knitting needles demonstration plant.

8 high speed, high reliability electronic

Since the debugger selector

Significance and Content: With the weft knitting machine work speed increasing, more and more complex jacquard weave patterns on the electronic selector (electromagnet or a piezoelectric ceramic) put forward higher requirements.

Develop high-speed, high-reliability electronic needle selection from the debugger, the validity of real-time detection jacquard knitting operation, can effectively solve the waste produced by jacquard disorder, increased automation of knitting machinery and equipment.

Application of basic research being carried out, has the function prototype, the need for further research selector principle and structure analysis, improve the detection mechanisms and technical feasibility of the route.

Key technologies: a high-frequency operation selector head shape, structure design, new material selection; 2 selectors energy-saving technologies; 3 needle selecting the correct operation of self-investigation and other technology; 4 Two options needles.. drive mode principle study (solenoid and piezoelectric ceramic) work; 5 selector, the driving circuit integrated structure design; 6 new high-speed bi-directional control bus network architecture design; 7 selector signal detection and bit operation convey technology.

2020 goal: to speed underwear for the study, a trial bit operating frequency of up to 150Hz, with a head swing motion detection debugging features, performance and stability of the selector and the corresponding electronic control system prototype.

9 Five Pillars bit computer jacquard circular knitting machine

Meaning and Content: At home and abroad jacquard circular knitting machine are three power position jacquard circular knitting machine, the needles only into the ring, tuck and does not work in every three states into the ring system at its woven flowers type the number subject to greater restrictions. The newly developed five-function digital computer jacquard knitting machine will add two functions on the basis of three power bit bit on to knitting needles in each of the systems have long coil into a circle, circle, circle of short-term and long coil set ring, ring tuck short and do not work five states.

Key technologies: 1 to develop a knitting triangular structure, so that it can achieve five-function digital knitting function; 2 can be developed to achieve five-function digital control systems braided; 3 fabric can develop five-function digital flower design. design and simulation system.

2020 goal: to complete prototype production and performance testing, breakthroughs in key technologies and complete a small test.