NR 750Z rotary indexing ring.

Marca

Rotary ring table with very large central opening, extremely flat design and high parts accuracy. The ring-shaped design allows extra free design space. The rotating aluminium ring can be adjusted to your specifications in terms of diameter and thickness.

GENERAL INFORMATION
. Maximum recommended equipment diameter: approximately 1500 mm

TECHNICAL DATA
. Max. motor speed: 2000 1/min
. Max. output speed: 23 1/min
. Overall gear ratio: Level K: 90 | Level G: 180
. Indexing precision: 36 arcsec (± 18”)
. Axial run-out of the drive flange: (at Ø 635 mm) 0.05 mm
. Axial run-out, including the rotary ring: (at Ø 750 mm) 0.07 mm
. Concentricity of the output flange: 0.03 mm
. Parallelism between the output flange and screw-on surface of the housing: 0.05 mm
. Total weight without rotary ring or motor: 230 kg
The values stated for axial run-out and concentricity can only be achieved with precise mounting surfaces.

LOAD DATA (for the output flange)
. Permitted dynamic tilting moment: 750 Nm
. Permitted dynamic axial force: 7000 N
. Permitted dynamic radial force: 7000 N
Combined loads and permitted process forces only after inspection by WEISS.

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Application Example

Revolutionary mesh tubing machine
Transferring techniques from the textile industry to new industries and areas of application

Challenge
Bossert + Kast is a traditional manufacturer of jewellery chains in the "gold town" of Pforzheim. The aim was to transfer techniques which have been employed for centuries in the textile industry (such as production of cords, edgings and ribbons) to applications in the jewellery and medical industry. With the only exception of using fine precious metal strands instead of fibres.

Solution
The substructure of the mesh tubing machine was to be an upright turntable with flange-mounted gears. For this purpose a user-programmable NR 750 with customized drive was used. A large inner diameter and optimally matched modules reduce the construction time needed. The result: a universal mesh tubing machine offering application opportunities in the fields of medical technology, optics and mechanical engineering that have yet to be discovered.

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NR brochure portuguese

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