Huixian Xinda Textile Machinery Accessories Co., Ltd. has long provided GA615 textile machinery accessories SJ-21 spine support machine external let off teeth. The accessories belong to the external let off device of shuttle weaving machine, Shuttle Loom Parts. The overall dimensions: the total length is 27mm, the width is 12mm, the thickness is 3.7mm, the tail semicircle diameter is 7mm, the front slope length is 4.4mm, the angle is 45 degrees, the material is steel 20, and the number of each loom is 10.
Sj21 spine support is installed under the upper cover of SJ-22 ratchet wheel of SJ-P-III series external let off, and the slope shaped teeth mesh the SJ-19 ratchet wheel to prevent the ratchet wheel of external let off from reversing and control the let off quantity during rotation. There are many kinds of textile machinery accessories, which can be roughly divided into weaving machinery accessories (also known as loom accessories), spinning machinery accessories (hereinafter referred to as spinning machine accessories), auxiliary machinery accessories (such as warping machine, weft winding machine, coding machine, etc.).
The above figure is a detailed photo of SJ-21 spine teeth (spine support). The spine teeth form a circle outside the SJ-18 ratchet seat, and the SJ-20 ratchet tension spring wraps the semicircular groove at the tail of the spine support, which is used to apply pressure to help the spine teeth mesh the ratchet oblique teeth.
SJ series external let off device includes more than 80 kinds of accessories. SJ50 (cam moving shaft), SJ52 (swing rod, left and right), SJ-76 (upper and lower sections of let off shaft bracket), SJ70 cam, SJ-28 (buffer foot) are important components of external let off device.
If textile mills, weaving mills and weaving processing enterprises need to purchase textile spine support, textile spine teeth, warp delivery accessories of loom ,External Let-off Parts,and other products, please contact Mr. Yang of Xinda Textile accessories for consultation. SJ-21 spine brace is packed in 100 pieces per bag, weighing about 0.8kg.