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Rotary Tables

Rigidity, Accuracy & Durability
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White graphic of a rotary table and bold white text reading Rotary Tables Main Product Page with a right-pointing arrow, all on a blue background—perfect for highlighting solutions for machining centers.
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ROTARY TABLES ENABLE MULTI-AXIS MACHINING

Five yellow Nikken rotary tables and indexing devices of varying sizes and designs, displayed against a white background. Each machine features a metallic circular face with visible grooves and central holes.Rotary tables mounted on machine tools add a rotational axis to the machine’s capabilities. This allows for increased flexibility and facilitates the rotation of workpieces during machining that is necessary for multi-axis machining, contouring, and indexing. So, using a 4th axis rotary table or 5th axis rotary table can contribute to increased productivity, precision, and the ability to produce intricate and complex parts.

ROTARY TABLES PROVIDE RIGIDITY, ACCURACY, AND DURABILITY

A group of yellow CNC rotary tables is displayed with the text NIKKEN Ultimate Carbide CNC Rotary Table Series. The NIKKEN logo and a play button symbol appear in the center; below is the text Watch Video.Nikken rotary tables are recognized worldwide for their wear-resistance, rigidity, and high-speed rotation. Nikken rotary tables are designed and built to provide high accuracy, increased production, and a trouble-free long life.

INNOVATIVE CARBIDE WORM SYSTEM FOR ROTARY TABLES

A yellow Nikken rotary table with a metal circular top plate, visible gears, mechanical components, a clear viewing window, labeled parts, and numbered indicators highlighting key features.Unique to Nikken rotary tables is the innovative and patented carbide worm system comprised of a carbide worm screw, ion nitrided worm wheel (HV930), and hardened steel bearing surface (HRC58-60). The V grade solid carbide worm screw helps to ensure high rigidity and virtually eliminates wear. Compared with traditional worm system combinations (consisting of phosphorus bronze and aluminum bronze), wear is reduced by up to 8 times, and overall accuracy is substantially increased. Additionally, the worm wheel has specially hardened, ion-nitrided treated teeth that eliminate sliding friction.
1 - Worm Wheel

The fine pitch of the NIKKEN worm wheel contributes to 4 arc second repeatability. NIKKEN’s unique construction shrink fits the worm wheel onto the solid faceplate and quill body.

The NIKKEN worm wheel and screw system in conjunction with the tables higher speed rates create a hydro-static high pressure oil film, virtually eliminating the wear between the gears.

2 - Worm Screw

The NIKKEN worm screw is a combination of special hardened steel and custom-made carbide. Consequently, and ultimately a benefit, friction between the screw and worm wheel is eliminated. The thread ground carbide worm gear and honed steel worm wheel are hand matched and paired to maintain maximum thread engagement and rotation accuracy (this also adds to the rigidity overall).

3 - Casting

NIKKEN rotary tables utilize fine grain high-density grey cast iron. These castings offer long-term stability, low distortion with high strength and rigidity. The castings are rough machined, after which a period of 30 days is allowed for the casting to stabilize before the rotary table is prepared and put through the finish machining process.

4 - Faceplate

Our design features a much shorter distance from the faceplate to the gear. This means that greater torsional forces can be sustained. Braking is applied directly to the spindle, which is a mono block construction incorporating the faceplate, adding greater rigidity overall.

5 - Radial Bearing System

A close-up view of a mechanical assembly featuring a circular roller bearing with evenly spaced cylindrical rollers inside a transparent casing. The bearing surrounds a central opening.Located directly under the edge of the faceplate is the Radial Bearing System. This position maximizes load distribution. We also incorporate a Teflon seal in lieu of an ‘O’ Ring. The bearings are handpicked and matched (in increments of 1 micron) between rotary table and faceplate assembly, ensuring the utmost rotation accuracy and elimination of unnecessary movement between the two parts.

ELIMINATE BACKLASH & FRICTION IN ROTARY TABLES

A metal gear mechanism with a short distance from the face plate to the gear, allowing for greater torsional force, and a fine-pitched worm wheel for high repeatability, as indicated by labeled arrows.Nikken’s unique design shrink fits the worm wheel onto the solid faceplate and quill body. This along with the hand pairing of the carbide worm screw eliminates backlash.

Cross-section diagram of a worm wheel with a 0.1 mm deep outer layer labeled HV930 and an interior labeled HRC 36. A dashed pink line marks the boundary between the two regions.The material used for the Nikken worm wheel is custom made steel, specially hardened and ion nitrided on the teeth. Consequently, friction between the gears is eliminated.

ROLLER EVOLUTION DRIVE (RED) ROTARY TABLES

A metal rotary table with a circular top and a red housing, labeled NIKKEN on the side, designed for precision machining or CNC applications.Equipped with a new red mechanism, Nikken’s Roller Evolution Drive (RED) rotary tables are designed with a new drive system for high speed, high rigidity, and high accuracy.

A video thumbnail displays a red CNC rotary table with white text that reads, Equipped with the new red mechanism, roller evolution drive. Below the thumbnail, there is a blue Watch Video button.Watch the video to discover the benefits of using RED rotary tables, or read below:

High Rigidity Mechanism

In the standard roller CAM system, CAM shift (input gear) and turret (output gear) are installed horizontally. However, the Nikken red rotary table has a mechanism that is installed vertically resulting in approximately a 25% increase in the transmission efficiency which translates into higher rigidity and higher precision.

No Backlash Mechanism
The Nikken RED rotary table achieves zero backlash by using our own barrel CAM mechanism and we preload it to rotate the roller with good transmission efficiency between the input gear to the output gear.
Maintenance Free
The barrel CAM system is designed with the roller rotation system that requires minimum maintenance. In case of damage, CAM shaft parts can simply be changed.
Highly Efficient Roller Transmission for Production
A highly efficient roller transmission increases optimization of production. It is maintenance free so there is no need for scheduled adjustment work – reducing the operation cost.
Machining Time Reduction Due to Brakeless Machining
As Nikken’s RED rotary table has no backlash, mechanical brakeless machining can be done for some material, shapes, and machining.
Advanced Design with Tilted Cover
Designed for full automation support, Nikken RED rotary table bodies have a tilted cover for easy flow of chips and coolant.

VIDEOS: HOW LYNDEX-NIKKEN ROTARY TABLES PROVIDE OPTIMAL MACHINING SOLUTIONS

Close-up view of a yellow Nikken Rotary Table inside a manufacturing facility, with a play button in the center indicating a video, and the text Watch Video below the image.

Nikken rotary tables in action on FANUC RoboDrills machines.

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Nikken rotary tables in action on Haas machines.

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Watch more rotary table videos

Hear and see for yourself how Lyndex-Nikken quality products provide optimal machining solutions.