7273PLK Heavy duty electronically controlled small area pattern sewing machine

7273PLK Heavy duty electronically controlled small area pattern sewing machine with its BARREL type shuttle hook is most suitable for slings, belts, harnesses and ropes

This compact type heavy duty electronically controlled pattern sewing machine with large Barrel shuttle hook is most suitable for small area reinforcement stitches on harness (of fall protection, parachutes and backpack etc), slings, belts, straps, ropes and cords with extra thick thread.

7273PLK is the second generation of extra heavy duty automatic pattern sewing machine and bar tacking machine–highly specialized electronic control systems, robust construction and sophisticated device for perfect seam quality & maximum productivity. This automated sewing equipment is designed for slings, ropes and harness manufacturers serving high-end industrial markets such as safety & protection, fire and rescue, cargo lifting and lashing, marine, automotive, aviation and military.

The advantages: Long sewing cycles by barrel shuttle with large bobbin capacity, even sewing with extremely thick thread; The specialized sewing automation improves quality, lowers production time and reduces operator involvement. In many cases it is possible to run two or three automated sewing units with only one person, great for saving labor cost; Can easily sew 2-4 ply synthetic webbing slings (3.5mm of each) together or stitch 2 ropes with each of 20 mm (diameter); Excellent stitch pattern and constantly tight stitches; Closed-Loop Control Type; High clamp lift and large needle penetration power allow the processing of extremely thick materials, such as Nylon, Polyester, Polypropylene, Webbing, Kevlar, Vinyl, Leather and Canvas; The oil pump automatic oil supply system can reduce the abraison on the spare parts so improve service life; These automatic industrial sewing machines are completely assembled and delivered by strong plywood case (Ready To Sew).

Optional devices: Heat automatic thread trimmer (burner); Needle cooler; Manual clamp; Upper thread breakage detector; Pneumatic additional thread tension

Applications: pattern tacking synthetic lifting slings, cargo lashing straps (Ratchet Tie Down), seat belts, safety harness, military equipment, backpacks, crane slings, lanyards, spanzet, nets, safety belts, upholstered furniture, leather goods, sofas, life vest, fall protection equipment, industrial safety products, rigging products, saddles, tents and canopies, sails and parachutes. 
Bartacking ropes and cordage for Arborist climbing ropes, Climbing & Caving Ropes, Boating & Marine Ropes and Rescue Ropes.

7273PLK/S Extra heavy duty programmable pattern sewer for safety belts and harnesses 

7273PLK/R Automatic rope bartacking machine to make sewn eye termination (with or without rope thimble) 

7273PLK/X Heavy duty automatic pattern sewing machine for stitching thick and hard leather 

Stitch Type
Hook Type
Oscillating Barrel shuttle
Max. QTY of Patterns
520 patterns
X/Y Drive
Timing Belt
Sewing Area
210mm x100mm
Schmetz 794 (DYx3) #26
Thread Trimming Method
Upper and Lower burner
#7, V415, T-400, 1300dx3
Max. Sewing Speed
700 rpm
NeedleBar Stroke
Sewing Speed Selection
200~700 rpm
Work Holder Lift
Feeding System
Presser Foot Lift
Stitch Length
Needle cooler
Cold air (optional)
Pattern Storage
Internal Memory
Pattern Input
Touch Screen
Max. Number of Stitches
20000 per pattern
Drive Motor
Limi-Servo (750 Watts)
Control system
Closed-Loop Control
Plywood case
Air pressure
0.6 MPa
Total Weight
268KGS (Gross)
*The max. sewing speed is 300 rpm when use as bar tacking machine for ropes (7273PLK/R)

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