Type N und Type NH

Product catalog summary

Application: This document describes a high-performance program for CNC-controlled and conventional lathes and grinding machines, featuring over-pressure security through disc springs.

Design Specifications:

Surface-hardened body
Ground tapers conforming to DIN 228 AT3
Through-hardened spindle made of high-grade steel
Spindle mounted with two needle bearings
Thrust ball bearings for axial loads
Reliable lip seal and continuous lubrication with high-quality grease

Sizes: Available in Morse Tapers no. 1 to 7 and various metric tapers.

Body and Spindle Models:

SM (small): For light pieces and higher turning rates
ST (standard): For normal loads
SU (super): For heavy-duty loads and low turning rates

Types of Spindle:

Type N / NH: Standard point 60°
Type V / VH: Extended point 60°
Type L: Slim, extended point 60°
Type A: Point nose taper for cones
Type K: With internal cone for interchangeable inserts

Load Specifications: Workpiece weight is based on the assumption of being held between two Live-Centres, with one holding a maximum of 50% of the workpiece weight. Additional loads due to imbalance or uneven weight distribution are not allowed. Important to refer to the load diagram on page 17.

Support and Forcing Nut: Available from MT 2 onwards with a forcing nut.

Maintenance: All ROTOR Centres are manufactured with continuous lubrication.

Accuracy: The document emphasizes the importance of concentricity precision.

Additional Notes: Live-Centres with carbide tips should not be used with maximum load.

Catalog excerpts

Gehauseabmessungen siehe Typ N oben Dimensions of the body see type N above Dimensions de corps voire type N en haut Typ N / V = Spitze aus Stahl, gehartet Typ NH / VH = Spitze mit Hartmetall-Einsatz Spitzen mit Hartmetall-Einsatzen durfen nicht hochstbelastet werden. Type N / V = hardened steel Type NH / VH = carbide tip Live-Centres with carbide tip may not be used with maximum load. Type N / V = acier trempe Type NH / VH = metal dur Les pointes a mise carbure ne doivent pas etre charger au maximum.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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