The main part of the industrial sewing machine you don't know
1. Take-up mechanism
When sewing, the industrial sewing machine plays a role in transporting, recycling and tightening stitches in the process of forming stitches. Mainly can be divided into:
Cam thread take-up organization: the organization of the thread take-up lever moved by the cam
Connecting rod thread take-up organization: the organization of the four-bar linkage to organize the thread take-up movement
Slider thread take-up organization: the organization of the thread take-up movement organized by the crank slider
Rotating thread take-up organization: an organization in which one or two discs or other shaped members equipped with thread take-up pins, a rotating movement for thread take-up movement
Needle bar thread take-up organization: the organization of the thread take-up lever fixed on the needle bar or the thread take-up lever fixed on the needle bar.
2. Feeding organization feeding mechanism
In the process of sewing, the industrial sewing machine carries out the organization of delivering sewing materials. It is classified into: forward feeding organization; backward feeding organization; horizontal feeding organization; bottom feeding organization; upper feeding organization; needle feeding organization; upper and lower compound feeding organization; upper and lower compound feeding organization; needle and lower compound feeding organization ; Upper, needle, and lower general feeding organization; differential feeding organization; roller feeding organization.
3. Fhread hooking mechanism
When the sewing machine is sewing, the needle belt guides the suture thread through the thread loop formed by the sewing material, and a hook on the thread loop makes it a stitch organization. The classification mainly includes: Rotary hook thread organization; Rotary hook thread hook organization; Rotary hook thread hook organization; Shaking hook thread organization; Swing shuttle hook thread organization; Curved needle hook thread organization; Thread hook hook thread organization, fork needle thread hook thread organization.
4. Take-up lever stroke
The interval between the two limits of the threading hole on the thread take-up lever in one cycle of movement
5. Needle bar stroke needle bar stroke
The interval between a certain point on the needle bar and the two extreme positions of the needle bar movement
6. Sewing speed
The number of stitches per minute of the sewing machine, the unit is: stitches/min, the maximum sewing speed: the highest number of stitches that the sewing machine can accept under normal sewing conditions; operating sewing speed: the sewing machine can accept continuous safe operation under normal sewing conditions The maximum sewing speed.
7.Thread
Thread for sewing. Usually made of cotton thread, chemical fiber thread, metal wire, etc. The main categories are: needle thread; shuttle thread; looper thread; stretch thread; covered thread
8.Stitch stich
When the sewing machine needle passes the sewing material each time, it is a unit composed of one or more sutures, self-connected, mutually or staggered on the sewing material.
