KM 921 AR-T3

Jeans Waistband Sewing Automation Unit

The KM 921 AR-T3 Chain Stitch Waistband Sewing Automation is a unique product that delivers outstanding stitching quality and is the world’s best-selling machine in its category. The machine has a daily production capacity of 1,700–2,500 pieces per 8 hours.
Its exclusive puller system enables high performance on all fabric types, from stretch denim to cotton denim.

INDEPENDENT SUPPORT SYSTEM

The Independent Support System eliminates the need for additional needle support adjustments when the stitch length setting is changed.

ADJUSTABLE WAISTBAND CUTTING UNIT

Allows easy adjustment of waistband cutting distances at both entry and exit points directly via the control screen.

ADJUSTABLE STITCH OPTIONS

Stitch removal for the right and left needles can be adjusted independently.

6-NEEDLE MACHINE HEAD

A special machine head designed exclusively for AGM Special, capable of operating with a 1/8″ needle gauge.

FEATURES

  • Independent Support System that does not require additional needle support adjustment when the stitch length is changed

  • 6-needle chain stitch machine head specially designed for AGM Special

  • Software fully developed by AGM Special

  • Independently adjustable stitch removal for left and right needles

  • Additional rear puller roller positioned behind the cutting blade

  • Automatic cutting system at both entry and exit points

  • Specially designed guarded presser foot

  • Rubber roller puller system with different upper and lower rollers for curved and straight waistbands

  • Automatic dual tension system that prevents chain stitch looping

  • User-friendly touchscreen interface with Turkish and English language options

  • Crankcase cleaning system that allows easy oil replacement

OPTIONS

Standard Set:
1/8″ - 1/8″ - 1″ - 1/8″ - 1/8″
Optional Sets:
Needle Gauge: Minimum 1/8″, Maximum 1/4″
Number of Needles: Minimum 1, Maximum 6
Set Width: Minimum 1″, Maximum 1 3/4″

TECHNICAL SPECIFICATIONS

Machine Head6-needle chain stitch
MotorDirect-drive electronic servo motor
Foot & TableAdjustable L-type
Stitch RemovalIndependently adjustable stitch removal for right and left needles
Cutting UnitSeparately adjustable cutting at entry and exit points
Presser Foot LiftAutomatic
Puller UnitAdditional reinforced rear roller puller system (behind the cutting blade)
Needle CoolingAdditional reinforced needle cooling system
Presser FootGuarded presser foot
Roller UnitRubber roller puller system with different upper and lower rollers for curved and straight waistbands
Feed AdjustmentMechanical adjustment of roller pulling force (low/high)
Oil DrainageCrankcase cleaning system for easy oil replacement
Air Pressure RollerAdditional air pressure roller system (to increase roller pulling force)
Tension SystemAutomatic dual tension system preventing chain stitch looping
TouchscreenUser-friendly touchscreen with Turkish and English language options
Cutting Distance55 mm
Maximum Speed3,200 rpm
Daily Capacity1,700–2,500 pieces / 8 hours
Net Weight98 kg
Gross Weight111 kg
Dimensions60 × 100 × 130 cm
Air Pressure6 bar
Voltage220–240 V, 60 Hz
Power2,400–2,800 W