4th Axis Rotary Table for CNC Router with 130mm K11 Chuck Dividing Head for Precise Milling Rotational Axis 4 to 1 Reducing Ratio Nema 34 4.5N.m Closed Loop Servo and 2HSS86 Servo Driver Boost Your Precision for Complex Multi Axis Projects

4th Axis CNC Rotary Table with 130mm K11 Chuck, single unit
✔️ 4:1 belt deceleration, 130mm K11 chuck, closed-loop servo

The 4th axis rotary table is a precision milling accessory for CNC routers and multi-axis systems. It enables rotary positioning for complex parts such as gears and multi-face features, making it handy for metalworking, engraving, and fixture-based workflows.

✅ 130mm K11 three-jaw centering chuck, max input torque 100 N m, limit speed 3000 r/min, max static clamping force 17 kN, jaw clamp 3-40 mm, jaw range 40-130 mm, reverse jaw clamp 40-120 mm, mounting screw M8
✅ Center height 100 mm, total height 165 mm, through-hole diameter 30 mm, chuck center alignment
✅ 4.5 N m closed-loop servo motor (NEMA 34), size 86x86x82 mm, current 6.0 A, 2 phase, 1.8 degree step, holding torque 450 N cm
✅ 2HSS86 servo motor driver: AC24-70 V or DC30-100 V, peak current 8.0 A, encoder 1000 lines, operating temp 0-50°C, speed up to 200 kHz
✅ Features: high tensile strength, local secondary hardening, surface fine grinding, rust and corrosion prevention; sealed ball bearing support and dust-proof design for easy maintenance

Dimension	Metric	Imperial
Center height	100 mm	3.94 in
Total height	165 mm	6.50 in
Through-hole diameter	30 mm	1.18 in
Chuck diameter	130 mm	5.12 in
Synchronous belt width	15 mm	0.59 in
Deceleration ratio	4:1	4:1

💡 What is a CNC 4th axis rotary table used for in precision milling and how does it improve workholding?

It’s a handy upgrade that adds a rotary axis, letting you machine multiple faces in one setup while keeping accuracy.

• handy for multi-face parts, engraving, and profile cutting
• improves holding stability with a robust K11 chuck and accurate centering
• works well with sealed ball bearing systems and a powerful servo drive to repeat positions