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(Model: SR-4420) Double Needle Unison Feed Lockstitch Machine With Verticle Large Hook Manufacturers, Suppliers, Importers, Dealers in Mumbai India
(Model: SR-4420) Double Needle Unison Feed Lockstitch Machine With Verticle Large Hook Manufacturers, Suppliers, Importers, Dealers in Nagpur India

(Model: SR-4420) Double Needle Unison Feed Lockstitch Machine With Verticle Large Hook

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These machines are equipped with walking foot, needle feed and feed dog These machines are equipped with walking foot, needle feed and feed dog, all of which act completely in unison, consequently, the upper or lower sewing material does not slip and also these machines can sew accurately and easily several sheets of heavy-weight materials piles up together.

Standard needle gauge: 6.4mm. Automatic lubricating system, smooth and quiet running, easy maintenance. Large hook to assure high efficiency, perfect stitch. These machines are best suited for sewing tents, seats, cushions, bags, leather products, interior furnishings of automobiles, etc.

The two-needle machine with a thread trimmer offers basic performance that is ideally suited to sewing heavy materials. The machine utilizes a new mechanism that does not change the ratio of the alternate vertical movement of the walking foot and presser foot, even when the material thickness changes. The mechanism helps prevent slippage between the upper and lower materials even when a heavy material is used.

The machine has adopted a new mechanism that does not change the ratio of alternate vertical movement of the walking foot and presser foot even when the material thickness changes.Even when a heavy-weight material issued, the presser foot lift does not decrease. This means that the presser foot comes into contact with the material at exactly the same time that it does when sewing lighter-weight sections of the material. As a result, the walking foot retains the material with a consistent pressure to prevent irregular stitches

Features:
• Application: For heavy materials
• Max. sewing speed: 2,500rpm
• Max. stitch length: 9mm (Normal/Reverse feed)
• Needle bar stroke: 36mm 33.4mm
• Lift of the presser foot: By hand: 9mm, By knee: 16mm (max.)
• Auto-lifter: Option • Needle gauge:4.8mm, 6.4mm, 7.9mm,9.5mm, 12.7mm(3/16, 1/4, 5/16, 3/8, 1/2)