Postscript binding technology eight question and answer

1. What are the methods for machine lock line?
A: There are two kinds of machine locks, flat lock and cross lock.

2. What is a machine lock?
A: Ping lock is the same lock line method for each post line.

3. What is the working principle of machine locking?
A: The working principle of the machine flat lock is to form a group at intervals by using a threading needle (needle) and a hook thread needle (crochet). The yarn is introduced into the middle of the booklet along the sewing seam by a threading needle, and the hook claw (hook claw Or slide valve) Pull the thread to the position where the hook needle descends. The hook thread needle hooks the thread after the groove groove twists and twists 1800 to rise and pulls down from the signature to the outside of the sewing seam to form a coil, and then uses the hook thread needle The twisting causes the coils to be automatically slipped into knots (formation of a knot of knots) and the flaps are locked tightly together. After the flat-lock book is locked, the yarn is in the middle of the signature, and the stitches and lines are regularly arranged on the outside fold of the book.

4. What is a machine cross lock?
A: Machine cross locks, also known as jump locks or cable locks. Cross-locked books, the position of the yarns of each post is indirectly the same, single 1, 3, 5 and double number 2. 4.6 booklet is alternating lock line form, as shown in Figure 2. Because the needle moves around the lock line, it is also called jump lock.

5. What is the working principle of machine cross lock?
Answer: The machine cross lock is composed of 1 active threading needle (live stitch needle), 2 hook needles (one threading needle on the left side and 1 on the right side), and 3 needles (3 needles) forming a group to lock the thread of. The movable threading needle is reciprocated horizontally by a draw plate (needle plate), and the yarn is transferred to the left and right rayon needles to indirectly lock the book.

6. What are the positioning requirements for the posts?
Answer: There are two pull rules and two back gauges on the book, which are located above the board. Its positioning requirements: (1) The positioning of rules should be determined according to the length of the book format, and its position should be matched with the positions of the above-mentioned pinholes; (2) The position of the pull gauge should be able to pull the book in place; ) After the slow; the rules and regulations in the same line before the pull; (4) After adjusting the front and rear rules are correct, to stop the observation is correct, correct before the boot lock line.

7. What are the sewing machine backup tools?
Answer: (1) Large, medium, and small screwdrivers; (2) sleeved spanners; (3) Hexagon socket spanners; (4) 14.17, 19, 22, or movable spanners; stitches (for repairing the original); 5) Scissors.

8. What are the vulnerable parts of the sewing machine?
Answer: (1) threading needle; (2) hook thread needle; (3) under the sender wheel small belt; (4) rubber suction nozzle.