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Gear couplings serie Z

NORTHON toothed oscillating couplings have been designed to compensate for all the angular and parallel misalignment that may be found connecting the shafts of two machines. It is well known that it is irually impossible to achieve perfect alignment between shaftsand, even moro so, to be able to keep it over time due to thermal expansion involving the structures concerned and the machine's own foundations.
NORTHON toothed oscillating couplings offer the solution to this problem assuring freedom of movement, transmission safety and operating reliability.

FEATURES OF MANUFACTURE
- exclusive use of alloy, pressed and heat-treated steels;
- precise machining with C.N.C. machines;
- special convex toothing allowing angular misalignment of +1° on each half coupling;
- application versatility thanks to the possibility of obtaining different mountings only by simoly inverting the toothed hubs in the same coupling;
- easy lubrification due to two grease nipplis being fitted on each half-coupling;
- interchangeability to Italsider standards.

MAINTENANCE AND LUBRIFICATION
- It is advisable to check every 5 months that thebells frely slide axially on the toothed hubs.
- Fresh grease should be addeb every 6 monthsat the latest, and complette replacement is recommended after 7000 working hours or anyhow after 18 months.
- When completely replacing the grease, cerefully clean the coupling, at the same time checking the state of wear of the toothing and alignment of the hubs.

We shall now list the type of grease of different brands suitable for temperatures between -10°C and +60°C.
Maintenance and lubrifications
 Spare parts table
Fitting
Components
Safety regulations





SERIES Z

Standard version with two oscillating hubs

Data sheet

SERIES ZHP

ZHP Series

Data sheet



SERIES ZA

Two oscillating hubs and open bells

Data sheet

SERIES Z1MR

Two oscillating hubs, one overturned

Data sheet



SERIES ZAHP

Quenched and tempered steel construction

Data sheet

SERIES Z2MR

Two oscillating hubs, both overturned

Data sheet



SERIES ZP

Two oscillating hubs, one extended

Data sheet

SERIES Z2P

Two oscillating hubs, both extended

Data sheet



SERIES ZAR

One oscillating and one rigid hub, with open bell

Data sheet

SERIES ZR

One oscillating and one rigid hub

Data sheet



SERIES R

Two rigid hubs

Data sheet

SERIES ZV

Two oscillating hubs for vertical fitting

Data sheet



SERIES ZVP

Two oscillating hubs, one extended, for vertical fitting

Data sheet

SERIES ZV2P

Two extended oscillating hubs for vertical fitting

Data sheet



SERIES ZIE

Two oscillating hubs and electric insulation

Data sheet

SERIES ZRDF

One oscillating and one rigid hub with steel brake disc

Data sheet



SERIES ZDF

Two oscillating hubs and steel brake disc

Data sheet

SERIES ZDFGAR

Two oscillating hubs, steel brake disc and reduced backlash

Data sheet



SERIES ZDFTWGAR

Two oscillating hubs, cast iron brake disc (Twiflex) and reduced backlash

Data sheet

SERIES ZADF30

Two oscillating hubs and brake disc shaft, thickness 30

Data sheet



SERIES ZADF42

Two oscillating hubs and brake disc shaft, thickness 42 mm

Data sheet

SERIES ZRFF

One oscillating and one rigid hub with brake band

Data sheet



SERIES ZGAR

Two oscillating hubs and intermediate disc for reduced backlash

Data sheet

SERIES Z2GAR

Two oscillating hubs and double reduced backlash

Data sheet



SERIES ZSA

Two oscillating hubs for axial sliding

Data sheet

SERIES Z2SA

Two oscillating hubs for double axial sliding

Data sheet



SERIES ZIAF

Two internal oscillating hubs and floating shaft

Data sheet

SERIES ZEAF

Two external oscillating hubs and floating shaft

Data sheet



SERIES ZAEAF

Two external oscillating hubs, open bells and floating shaft

Data sheet

SERIES ZAIAF

Two internal oscillating hubs, open bells and floating shaft

Data sheet



SERIES ZAT

Two oscillating hubs and spacer

Data sheet

SERIES ZAT2P

Two extended oscillating hubs and spacer

Data sheet



SERIES ZAAT

Two oscillating hubs, open bells and spacer

Data sheet

SERIES ZAAT2P

Two oscillating hubs, open bells and spacer

Data sheet



SERIES ZSR

Shear pins coupling

Data sheet

SERIES ZATSR

Shear pins coupling with a spacer

Data sheet



SERIES ZPR

Shear bolts coupling

Data sheet

SERIES ZTS

Barrel coupling

Data sheet



SERIES ZA2P

Two oscillating hubs, both extended

Data sheet

SERIES ZFF

Two oscillating hubs and brake band

Data sheet