TYPICAL TW1-8BL Long Arm Heavy Duty Walking Foot Sewing Machine

Description

TYPICAL TW1-8BL Long Arm Heavy Duty Walking Foot Sewing Machine

Extra-heavy-duty long-arm industrial lockstitch sewing machine engineered for assembly and topstitching on expansive, bulky, and heavyweight materials. The TYPICAL TW1-8BL Long Arm (often configured in 18″, 25″, or 30″ arm extensions) employs a synchronized compound triple-feed mechanism—integrating bottom drop feed, needle feed, and alternating walking foot top feed—to pull thick multi-ply stacks and dense fabrics evenly without ply slippage or stitch gathering. Its extended under-arm throat space gives operators the necessary clearance to maneuver large, unwieldy panels such as sails, tarpaulins, vehicle covers, and oversized upholstered sections. Fitted with an extra-large horizontal-axis rotary hook, robust presser lift clearance, and heavy-gauge gearing, this machine delivers consistent stitch formation across industrial canvas, heavy vinyls, leather goods, and technical textile applications.

Key Features

• Extended long-arm throat space (up to 18″ to 30″ depending on class) designed specifically for bulky, large-format assemblies

• Synchronized compound triple-feed: drop feed, needle feed, and alternating walking foot

• Extra-large horizontal-axis hook accommodates thick threads and offers substantial bobbin thread yardage

• High alternating foot lift and foot stroke to smoothly cross over heavy structural seams and thick reinforcement hems

• High needle penetration force designed to pierce through dense leather, laminated vinyl, and multiple canvas plies

• Large stitch dial allows smooth adjustment for long, structural seam stitches up to 10 mm

• Easy-action reverse feed lever for secure backtacking and seam ends

• Heavy-duty cast-iron chassis provides rigidity and vibration-free feeding during high-load operations

Specifications

• Brand: TYPICAL

• Series: TW1

• Model: TW1-8BL (Long Arm Variant)

• Stitch Type: 301 Lockstitch

• Number of Needles: 1

• Feed System: Compound Triple Feed (Bottom Feed + Needle Feed + Alternating Walking Foot)

• Arm Clearance / Throat Space: Extended (Typically 457 mm / 18″ to 635 mm / 25″ / 762 mm / 30″)

• Maximum Stitch Length: Up to 10 mm

• Maximum Sewing Speed: 1,500 – 1,800 stitches/min

• Presser Foot Lift: 8.5 mm (by hand) / up to 16 mm (by knee lifter)

• Needle Bar Stroke: 35–37 mm

• Needle System: 135×17 (DP×17)

• Needle Size Range: Nm 130–200 (#21–#25)

• Hook Type: Extra-Large Horizontal-Axis Rotary Hook

• Lubrication: Semi-Automatic Oil Wick / Central Reservoir

Suitable For: Marine Canvas & Boat Covers • Sails & Parachutes • Tents, Marquees & Awnings • Large Furniture & Sofa Upholstery • Semi-Truck Tarpaulins & Cargo Straps • Aviation & Bus Seating • Heavy Leather Goods & Luggage • Insulated Thermal Blankets & Technical Textiles