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Model No: KL-7903DB-F7
KL-7903DB-F7 Computerized Step Feed Needle Band Knife Lockstitch Machine (Mechanical Knife Control)
电脑步进针送料带刀平缝机（机械控刀）
Quantity :
Description:
KL-7903DB-F7 Computerized Step Feed Needle Band Knife Lockstitch Machine (Mechanical Knife Control)
1. It meets over 100% of the bidding and tendering parameters, with performance and configuration reaching the industry ceiling.
2. Achieve a one-click rapid switching design without tool drop, and a one-click rapid switching between synchronous and asynchronous operations.
3. The closed-loop motor independently controls and drives the cutter's movement, ensuring precise synchronization.
4. The up-and-down stroke of the cutting knife during operation can be set by the computer to control the normal operation and stop of the cutting knife.
5. The computer sets the tool stop height, which is ≥3 mm higher than that of a regular tool lathe.
6. It can be set that when sewing at a turning angle of ≤90°, the main shaft motor does not work, achieving that the machine needle does not move and stops sewing at the bottom. One-click start to continue the cutting action.
7. Develop a 1/16, 1.5 mm narrow-edge stitch position for the field of windbreakers.
Structure:
 | Pendulum mechanism: The needle rod, teeth and presser feet can feed fabric simultaneously (dual-purpose). One-click switch between dropping and non-dropping, and continuous dropping. |
Differential tool rest structure: By changing the needle positions of different specifications, different fabric cutting widths can be obtained. A closed chip-blocking groove is adopted to ensure the cleanliness of the rotary shuttle part during sewing. |  |
 | Closed loop motor independent control, Drive cutter action, synchronous precision |
Detail:
Down jacket/Cotton coat/Windbreaker
Specification:
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