The Computerized Lock Stitch Multi needle Quilting Machine, models TD-64-3B, TD-94-3B, TD-112-3B, and TD-128-3B, feature a cam-free double-swinging device for the needle bar and press plate, ensuring high precision and durability. This design helps minimize lubrication and dirty material issues. The optimized mechanical structure provides a rigid machine body and improved stability, allowing for faster and more stable operation. The material rack separation structure reduces the rack's load effectively. The Computerized Lock Stitch Multi needle Quilting Machine, models TD-64-3B, TD-94-3B, TD-112-3B, and TD-128-3B new press plate adjustment structure makes it simpler to use. It offers multi-span independent patterns, including 360° and 180°, and an advanced up thread-break detection unit. The computerized automatic needle-lifting speed adjustment and new generation CNC system ensure high-precision quilting with minimal parameter adjustment. The machine easily prepares precise CAD drawings and can quilt different patterns in each line on a 3.2m fabric. It can combine patterns strongly. The Computerized Lock Stitch Multi needle Quilting Machine, models TD-64-3B, TD-94-3B, TD-112-3B, and TD-128-3B can also quilt simple embroidery patterns. The fault detecting and indication system enables fast fault correction and return operation.