The main structure and technical characteristics of air jet loom (2)

The main structure and technical characteristics of air jet loom

11.Length measurement and weft storage
Electric drum can store the weft, the diameter of the drum and the length of the yarn stop pin are fixed. 
12. Selvedge mechanism
There are planetary selvedge, leno selvedge, electronic selvedge, tuck-in side and hot-melt side. Choose according to fabric requirements.
13. Selvage form
There are two kinds of rough edges and smooth edges. It is related to the selected institution. 
14. Temples
Ring temple. Choose the number of loops and needle specifications according to the fabric.      
15. Weft cutting
There are mechanical scissors and electronic scissors.     
16. Weft probing
Photoelectric weft detector. Sub-reflective and transmissive. 
17. Weft stop device
The weft feeler detects the flight status of the weft yarn, and the weft feeler control unit determines whether the flight is normal or not and issues an instruction to stop or continue running.
18. Warp stop device
There are electric contact rod warp stop device, far-infrared detection warp stop device and comb type warp stop device. At present, the warp-stop type is mostly used, and 4, 6 or 8 rows can be used according to the warp density.
19. Display
Keyboard display (parameter setting, loom status monitoring, self-diagnosis failure); multi-color indicator lights indicate warp stop, weft stop, waiting and other information. 
20. Attachment
Auxiliary main jet, draft jet, weft brake device, etc.
21. Control system
A microcomputer is used as the control core to control the weft insertion, weft selection, weft storage, warp let-off and loom actions respectively, and set the weaving process parameters (warp tension, color, solenoid valve opening and closing time, etc.) on the keyboard. Corresponding actions are controlled by each control unit, and there is an operation button board on the left, right or in the middle of the loom, which is convenient for the operator's operation.