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Single-Double System Computerized Flat Knitting Machine Series

Single-Double System Computerized Flat Knitting Machine Series

QL-1S52M QL-1S60M QL-1S80M

Single-double system flat knitting machine adopts digital technology, which can realize the functions of transfer, tuck, hole picking, jacquard, needle narrowing, and other regular pattern knitting functions of the flat knitting machine. The machine can automatically scan the knitting file before starting knitting and automatically select the system suitable for the pattern, thus genuinely realizing the fast rotation of the machine carriage with high speed and high efficiency.

Product Characteristics


The linear velocity of the head can reach 1.2m/s. The stroke can be adjusted according to the weaving width. Fast response and accurate location can avoid invalid movements and increase production efficiency. Each system is equipped with five functions, such as rib transfer, weaving, tuck, non-weave, and pin. In addition, it is secured by short-circuited electric magnet,motor overcurrent, Locked-Rotor, etc.

Dynamic Stitch

The device by dynamic stitch technology, we achieve the variety of stitches and variety density in one course to improve knitting efficiency and variety.
High-speed and High-efficiency
Increase the carriage return speed and productivity as well as avoid the work of the carriage rail. In the case of 12g, the high-speed return can improve efficiency by more than 20%,compared with the old system.

Positive Yarn Provider

Positive Yarn Providing, successfully Reduce Yarn Resistance, increase Knitting Efficiency.

*roller yarn provider and yarn storage device can be selected according to the model of the machine

Touch Screen

Adopting industrial LCD, graphic interface,color display. On working conditions, ,parameters like weavingpieces, finished pieces, time, velocity,Roller,mesh number, yarn nozzle, etc. could be displayed clearly on the screen. When running,you can adjust parameters freely. This is the most convenient and time-saving device all you need to do is just focus on the fabric and input the command, and then all the parameters and pattern types could be changed.
Main Parameter


QL-1S52M  QL-1S60M  QL-1S80M


7G、9G、12G、 13G、14G、15G、16G


Single-double system

Knitting range


Comb system

Zero finishing yarn comb system; regular comb system

Needle bed

Milling type needle bed or insert type needle bed

Knitting system

Single carriage with the single-double system, use of digital technology to achieve the horizontal machine needle, pick a hole, lifting eye, no dotted line jacquard, siping jacquard, open stitch, dark stitch, and other regular pattern weaving functions.

Knitting speed

The maximum speed is 1.8 m/s without load, with 128 sections of programming seed.

Stitch density

128 section electronic control, using subdivision technology; The stepping motor controls and adjusts the density, and the adjustable range is 0-650.

Dynamic stitch

It is realized by a high-speed stepper motor, which supports the realization of multi-segment variable mesh control within a row of patterns, and the realization of a variety of fabric densities in the same line Weaving, rich weaving patterns.


Not affected by the direction of the carriage.

Racking system

Servo motor drive, shake 1/2 and 1/4 needle in any position; Maximum 2 inches on one side.

Quickly turning

An intelligent switching braiding system improves machine weaving efficiency.

Take-down device

128 sections of automatic control, time division adjustment, can be automatically identified according to the width of the pattern automatically adjust the tension, can meet a lot of local weaving. The pulling force requirement of the pattern makes the pulling force of the fabric evenly distributed and the strength is reliable.

The yarn device

7G-9g adopts the roller feeding device to accurately control the tension of the yarn and ensure the consistency of the whole woven piece quality;

12G-16g adopts the yarn storage device to accurately control the tension of the yarn and ensure the consistency of the whole woven piece quality;

Safety device

The whole machine is covered to reduce noise and dust, infrared safety device, emergency stop device, cut-off power device, indicator light alarm device.

Stop motion

Automatic stop for yarn breaking, yarn knot, fabric rewinding, firing pin, number of pieces completed, overload, program error, etc

Control system

The screen uses LCD industrial display, touch screen graphical interface, transmission mode uses USB and network, can be used to store a large number of pattern files, and can be called out according to production needs at any time. Monitoring screen: it can display all kinds of working parameters and knitted mesh values, and it can be adjusted at any time when the machine is running, which is convenient for operation and time saving to the greatest extent. Plate-making system and control system (software part) SH upgrade is convenient. Support a variety of flower format CNT, HCD, 000, etc.

Support for multi-language operating versions (Chinese, English, Russian, and other languages)

Data input

Input data through a USB flash drive or computer connection

 Blackout memory function

Advanced CMOS technology is adopted to realize blackout memory and call recovery weaving functions.

Network function

A high-speed ETHERNET network theoretically enables unlimited computer connection, data uploading and sharing, and real-time monitoring.

Power supply unit

Voltage: AC 220V/380V; Frequency: 50HZ/60HZ; Power: 1.5KW

Size and weight of the machine

SQ: 2400*780* 1900MM Weight around: 692KGS

Specifications And Configurations Should Be Subjected To The Contract.

Computerized flat knitting machine maintenance instruction
To ensure computerized flat knitting machine is in a good situation at any time, reducing wear and increase of the machine life, keep a lower operating and maintenance costs, we need to properly maintain the machine, provide a good working environment. The following points are very important and must be done:
1. Every production unit should be cleaning the needle bed with an air compressor, make sure there is no dust on the needle, yarn feeder, yarn feeder guide rail, out of the carriage, brush…cleaning the workshop regularly.
2. Add lubricant to the needle bed, needle stitch, yarn feeder guide rail, carriage guide rail, keep all the transmission parts lubricated.
3. Machine discontinued using long time or temporary, need to apply with anti-rust oil for the needle bed and other parts at first, the machine also needs to be covered.
4. Please read the instruction manual before using the machine.



Qualification & Honor

158 certificates of honor,35 independent research and development certificates

In recent years,Qianglong and its leading product "Qiangsheng" brand multi-functional Computerized flat knitting machine have been successively rated as "national high tech enterprise", "China Quality Credit AAA", "Zhejiang science and technology small and medium-sized enterprise", "Jiaxing famous brand product"; "Jiaxing high tech research and Development Center", "Jiaxing enterprise technology center", "Jiaxing patent demonstration enterprise", "Jiaxing top ten industries"Design enterprise ". The company has been professional wholesale Straight double computerized flat knitting machine manufacturers and Straight double computerized flat knitting machine suppliers.It has obtained 153 independent research and development patent certificates,123 utility models, 20 invention patents, and 10 appearances.

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