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speed :800RPM-1000RPM, needle diameter:4-1/2'' - details see: https://www.machineto.com/computerized-high-speed-plain-stocking-machine-10274511

JW-400 Automatic computerized high speed flat stocking machine

Main specifications and parameters

type	400
needle diameter	4-1/2''
needles & diameter selectors	192-400N,the second and forth braided lines use the eigthth-grade pneumatic to select needle; the first and third braided lines use the 16th-grade pneumatic to select needle
speed	500RPM-700RPM
weaving system	different choice of elastic ribbon or be tabby 1*1, 3*1 fixed meshes when all textile needles working, T-shape crotch secured with 1*1, each elastic ribbon can made in full wave state.

JW-400 brand type stocking machine is controlled by a computer system with a single cylinder four woven plain weave silk stockings machine. it adopts an independent exhaust fan or central exhaust system fabric stretch, the machine is equipped with torsion device. Needle rotation serve motor direct drive to reduce the transmission chain and transmission error, needle lift by the stepper motor control can have a different density, pressure lubricant for lubrication of needles, life and death and the election needle pieces. Computer-controlled production of socks, the whole process, style and quality, the machine can use synthetic fibers, syntbetic fibers and bare spandex covered yarn and other raw materials to produce stockings and products, including pantyhose, long stocking, short socks, stockings and other nine points stockings.

Equipment instruction:

Waist bell: The waist bell rise of fall control by pneumatic, have 2 work positions, knitted the waist belt at high position and knitted the fabric at low position.

Clippers device: The clippers rise and fall control by pneumatic. If yarn not cut off hall alarm automatically, also can blow the air to clean the slit up yarn and reduce the machine breakdown.

Stitch density: The stitch cam have enter and exit work position function, can knil multiple feeders pattern, also have work status test function and machine in abnormally status shall auto-stop and alarm, adopt cam and air cylinder to achieve the stitch adjust without interval. Machine equip the high speed stepping motor will achieve the 3D function.

Actuaror: adopt 16 levels electric ceramic actrator. Structure easily reliable low energy consumed ahead low generate heat

Cylinder up/down; the cylinder rise and fall control by stepping motor, which can substantially adjust the stitch density. The cylinder height position shall decide the stitch density basis value.

Lubricate: Lubrication by mechanic control, which lubrication during making revolution, because the pantyhose machine is high speed running and must continuous lubrication when machine revolution, which control the temperature rises and reduce the machine abrade.

Air compressor: to have functions of drainage, air pressure adjustment and alarm or lack air pressure.

Yarn feeds: 4 feeder, each feeder with 6-8 yarn fingers and each finger with 2 work positions. Chang yarn finger by pneumatic control, each yarn finger with high and low 2 work positions, the yarn finger can move to left or right and knit the jacquard pattern. Whole yarn finger device can bottom over, which easily for maintenance.

Drop hood: control by 2 stepping motor through rough adjust the 2 sets cam position with stitch press cam to achieve the fabric stitch density adjustment, mainly used to achieve the take down width for knitted rib pattern. Another stetting motor can adjust the position of dropt hood.

Dial jacks: Control by electric magnetism vale. Avoid panty hose machine revolution by high speed and knitted waist belt pattern. Shall bring needle miss and make fabric defective.

Take down: The take down device control by suction and structure simply, enable the knitting fabric pulling foree even ahead without spoil the fiber of knitting fabric. The resist twit device prevent the twisting for wrinkle during knitted the fabric with hosiery tube bring the proportion rub and damage the fabric, which enhance the fabric surface quality.

Manual operation: Adopt fold type, which easy to maintain, the limit position protect control by pneumatic: 1 Ensure during the machine revolution will not use the manual operation; 2 during using the manual operation, machine will not use the motor driven

sample picture for reference