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Green Gear Transmissioni UNIVERSAL SHAFTS

THE COMPANY

The Company Green Gear Trasmissioni Srl was founded with the goal and purpose to work side by side with customers to study and develop with them the most adequate solution. Thanks to our skills and experience, gained in more than twenty years, the Company guarantees high quality production at very competitive prices. Pecializing in the production of power transmission requipment, the Company is able to offer the market the best technical and manufacturing solution on specific customer requirement. Although our products find particular application in rolling mills, our experience and flexibility enables us to meet the needs of any industrial field, both in terms of application, and in terms of final product quality level. The production area and offices are located in As ti (Piedmont), geographically well located: very close to suppliers, available within a radius of 200 km, and to seaports and airports for international transport.

PRODUCTION RANGE

1. UNIVERSAL SHAFTS
2. GEAR SPINDLES
3. GEAR COUPLINGS
The universal shaft enables motion transmission between driving and driven shafts, with wide working angles. The major characteristic of a universal shaft is having a transmission ratio instantly varying, when misalignment is different from zero. The transmission ratio average value however keeps uniform; to annul such variability, the connection is made by two universal joints, equalizing the angular velocity. Motion transmission is realized by a component connecting input and output shaft ends. This component is called journal cross. Generally speaking, the universal shaft operation can be distinguished into 5 single peculiarities:
1. Torque and speed
2. Possibility of changing the distance between input and output
3. Possibility of changing the angle between input and output
4. Stress for vibration
5. Torsional strength

LIGHT DUTY UNIVERSAL SHAFT – US - A SERIES DESIGNS

COMPANION FLANGES

We can manufacture any type of companion flange, following your
requirements. Generally speaking, these sleeves are grouped into 2
families, following their geometric shape:
a. CYLINDRICAL COMPANION FLANGES
b. FLANGED COMPANION FLANGES
Or, following the type of connection between its flange and the universal
shaft one, they are divided into 5 categories:
1. FLANGE WITH NO KEYWAY
2. FLANGE WITH KEYWAY
3. FLANGE WITH HIRTH SERRATION (as the picture on the right)
4. FLANGE WITH DOG TEETH
5. FLANGE WITH NO KEYWAY WITH PINS ACCORDING TO DIN 15452 STANDARDS

MAX ALLOWED FINISHED BORE DIAMETER PER SIZE

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