Workings, machinery and services

Zenit S.p.A. operates in a complex of 20,000 square meters of which 10,000 are covered and is divided into the following departments:

• raw material warehouse
• pipe and rod cutting
• roughing
• assembly and welding
• finishing
• balancing
• grinding
• chemical and galvanic treatments.

The workings and treatments we perform and provide are:

• tube and rods cutting
• turning
• milling upon cylindrical components
• assembly and welding
• static and dynamic balancing
• grinding
• galvanic and chemical nickel plating
• galvanic copper plating
• chrome plating (external)
• heat and / or chemical treatments (external)
• rubber and polymer coatings (external)

The materials we work are:

• carbon steels (Fe355 – C45 – 39NiMo3 – 42CrMo4 – 100Cr6 – 17NiCrMo6 – 18NiCrMo5 ecc…)
• stainless steels (304 – 316 – 420)
• aluminum
• special materials (Xm19 – k110)

The services we provide are:

POST-ORDER TECHNICAL SUPPORT

TECHNICAL DRAWINGS

PROTOTYPE STUDIES
IN COLLABORATION WITH
THE CUSTOMER

RESALE OF RAW MATERIALS
(PIPES AND RODS)

Raw material warehouse

Our raw material warehouse, which covers an area of 4,000 square meters and is stocked with pipes with sizes from 70 mm to 355 mm (various thicknesses S355 first choice and second choice) and with rod bars with sizes from 60 mm to 240 mm (S355 and C45).

Pipe and rod cutting

Our cutting department consists of four band saws and one alternative.
We cut up to:
- maximum diameter 830 mm
- maximum weight 10,000 kg.

Turning

Our roughing and finishing departments are composed of eight latest generation numerical control lathes including a 5-axis multitasking lathe and six parallel lathes.
We lathe to:
- maximum diameter 1.100 mm
- lmaximum length 7,000 mm
- maximum weight of 5,000 kg.

Milling on cylindrical components

Thanks to our latest generation lathes, we perform milling, even complex ones, on cylindrical parts.
We mill rollers and cylinders up to:
- maximum diameter 1.100 mm
- maximum length of 7,000 mm
- maximum weight of 5,000 kg.

Assembly and welding

Thanks to our assembly and welding department, we assemble and weld rollers up to:
- maximum diameter 1.100 mm
- maximum length of 7,000 mm
- maximum weight of 5,000 kg.

Static and dynamic balancing

Our roughing and finishing departments are composed of three automatic Cemb balancing machines.
We balance parts up to:
- maximum diameter 1.000 mm
- maximum length of 10,000 mm
- maximum weight of 5,000 kg.

Grinding

Our grinding department consists of four numerically controlled grinding machines, two manual grinding machines and one manual taping machine.
We grind up to:
- maximum diameter of 1,000 mm
- maximum length 6,000 mm
- maximum weight of 5,000 kg.

Galvanic nickel plating

Our treatment department consists of five tanks dedicated to galvanic nickel plating.
We nickel plate diameters up to 1,800 mm and a maximum length of 5,500 mm with a maximum weight of 3,000 kg.

Chemical nickel plating

Our treatment department consists of a chemical nickel-plating plant.
We completely nickel parts with a maximum diameter of 800 mm and a maximum length of 3,000 mm with a maximum weight of 2,000 kg.

Galvanic copper plating

Our treatment department consists of eight galvanic copper plating tanks.
We copper plate up to:
- maximum diameter 500 mm
- maximum length 1,800 mm
- maximum weight 1.000 kg.

Chrome plating (external)

We provide all types of chrome plating thanks to the team of suppliers we have created around our rollers.
The types of chrome plating are:
• thick chrome plating and grinding
• light polish chrome plating
• satin chrome plating.

We supply chrome up to:
- maximum diameter 1.000 mm
- maximum length 6,000 mm
- maximum weight 2,000 kg.

Thermal and / or chemical treatments (external)

Through our team of suppliers, we provide various thermal treatments such as:
• induction hardening
• through hardening
• steel hardening and tempering
• hot polishing
• steeling and hardening
• normalizing
• stress relief and vertical stress relief
• nitriding
• ceramic coating
• tungsten carbide coating
• chromium oxide coating
• zinc plating
• painting

Rubber and polymer coatings (external)

Thanks to our team of suppliers, we supply various coatings in materials such as:
• silicone
• hypalon
• polyurethane
• neoprene
• EPDM
• viton

The measurement limits are:
- maximum diameter 1.000 mm
- maximum length 6,000 mm
- maximum weight of 5,000 kg.