Automatic 2-Roll Thread Rolling Machine

High-stiffness rolling structure and stable drive system with weighted spindle for repeatable accuracy.
Interchangeable molds for standard, trapezoidal, and gauge threads.
Independent spindle taper and inclination adjustments for symmetric die force and optimized skew angles.
Double-acting dies with a self-centralizing work centerline for simplified work holding.

AC motor spindle drive with fixed or variable speed.
Hydraulic die actuation with a manual size adjustment dial.
High-power hydraulic system with an oil temperature air cooler for stable performance.
Flood-type coolant system with integral tank for oil or water-soluble coolants.

Height-adjustable work support units with ratchet adjustment.
Dies closing timer with hydraulic flow metering for precise operation.
Complete with a tool kit, operation manual, and product certificate.
Supports precision rolling for worm gears, transmission shafts, bolts, nuts, rebar sleeves, and cylindrical die components.

Bolts and Nuts: High-precision rolling for industrial bolts and nuts of various sizes.
Lead Screws: Efficient threading for lead screws used in machinery and automation equipment.
ACME Screws: Accurate thread rolling for ACME screws in mechanical systems.
Ball Screws: Suitable for high-precision ball screw production in CNC and robotics.
Rebar Threads: Thread rolling for steel reinforcement rods used in construction.
Transmission Shafts: Precision threading for mechanical shafts and related components.
Custom Thread Profiles: Supports trapezoidal, metric, and other specialized thread forms.
Fasteners and Industrial Parts: Ideal for producing threaded fasteners, studs, and other precision components.

Model	AEK28-80	AEK28-150	AEK28-185	AEK28-200	AEK28-400	AEK28-650
Diameter Capacity	M5-42 mm	M5-52 mm	Φ6-65 mm	Up to Φ80 mm	Radial: Φ120 mm / Axial: M60 mm	Φ14-120 mm
Pitch Range	1-5 mm	Up to 6 mm	1-6 mm	8 mm	Radial: 12 mm / Axial: 7 mm	0.5-12 mm
Max. Rolling Pressure	152 kN	200 kN	200 kN	240 kN	400 kN	600 kN
Spindle Tilt Angle	±5°	±5°	±5°	±10°	—	±10°
Spindle Speed	Exchange gear (data unclear)	37/46/63/79 rpm	Exchange gear (custom)	Exchange gear (custom)	0-50 rpm (variable frequency)	Variable frequency
Rolling Wheel Outer Diameter	Φ120-170 mm	Φ120-170 mm	Φ170-210 mm	Φ170-220 mm	220 mm	170-290 mm
Rolling Wheel Bore Diameter	Φ54 mm	Φ54 mm	Φ75 mm	Φ75 mm	—	Φ100 mm
Max. Width of Rolling Wheel	100 mm	30-100 mm	100 mm	160 mm	—	50-260 mm
Spindle / Main Motor Power	5.5 kW	5.5 kW	11 kW	11 kW	18.5 kW	18.5 kW
Hydraulic Power	2.2 kW	2.2 kW	4 kW	5.5 kW	7.5 kW	11 kW
Cooling Power	—	120 W	—	—	0.12 kW	0.12 kW
Dimension (mm)	1520×1500×1445	1520×1550×1445	1650×1450×1650	2450×1780×1670	2000×2100×1600	2300×2400×1700
Weight	1600 kg	1850 kg	2000 kg	3000 kg	4500 kg	6000 kg