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  • Impianto Checchin a Barile per Zincature classiche 1
  • Impianto Checchin a Barile per Zincature classiche 2
  • Impianto Checchin a Barile per Zincature classiche 3
  • Impianto Checchin a Barile per Zincature classiche 4
Classic Galvanizing Barrel

Process indicated for small metal parts and for details of small/modest dimensions and weight, which can undergo the mechanical action of movement in the single barrel, without causing damage or deformation of the metals themselves.

Checchin s.r.l, depending on the type of coating to be applied, has 3 types of barrel plants with robotic trolleys with a lifting capacity of 300-800 kg:

Plant 15.000
processing performed with ALCALINE Bath, for the following coatings:

  • White galvanizing (class II), clear passivation
  • Chromiting galvanizing (class IV), iridescent passivation
  • Black trivalent galvanizing Cr3 (class VII), black passivation
  • Yellow Trivalent galvanizing Cr3 (class IV yellow passivation)

Plant 60.000
processing performed with ACID Bath, for the following coatings:

  • White galvanizing (class II), clear passivation
  • Chromiting galvanizing (class IV), iridescent passivation

It is also possible to add, as an additional service, SEALING or LUBRICATION, SANDBLASTING, DEHYDROGENATION and ZINC FLAKE coating treatments.


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  • Impianto Checchin Barile specifico ZINCO-NICKEL 1
  • Impianto Checchin Barile specifico ZINCO-NICKEL 2
  • Impianto Checchin Barile specifico ZINCO-NICKEL 3
  • Impianto Checchin Barile specifico ZINCO-NICKEL 4
Specific barrel Zinc-Nickel

Process indicated for small metal parts and for details of small/modest dimensions and weight, which can undergo the mechanical action of movement in the single barrel, without causing damage or deformation of the metals themselves.

The zinc-nickel coating, compared to traditional galvanizing, has the particularity of considerably increasing the duration and resistance to corrosion.

Plant 30.000
processing performed both with ALKALINE Bath and ACID Bath, for the following coatings:

  • Transparent Zinc-Nickel (class IV) + possible sealing or lubrication
  • Zinc-Nickel Black passivation (classe VII)

It is also possible to add, as an additional service, SEALING or LUBRICATION, SANDBLASTING, DEHYDROGENATION and ZINC FLAKE coating treatments.


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  • Impianto checchin Statico Znt classiche 1
  • Impianto checchin Statico Znt classiche 2
  • Impianto checchin Statico Znt classiche 3
  • Impianto checchin Statico Znt classiche 4
Static Classic galvanization or Zinc-Nickel

Process suitable for details such as brackets, assembled, gates, trolleys, pulleys, molds, crankshafts, medium-sized boxes which, due to their size and delicacy, cannot be processed using the barrel process.

Depending on the type of coating to be applied, Checchin s.r.l has 2 types of static frame system:

STATIC system A
processing performed with ACID Bath, for the following coatings:

  • White galvanizing (class II), clear passivation
  • Chromiting galvanizing (class IV), iridescent passivation

STATIC system B
processing performed both with ALKALINE Bath and ACID Bath, for the following coatings:

  • White galvanizing (class II), clear passivation
  • Chromiting galvanizing (class IV), iridescent passivation
  • Black trivalent galvanizing Cr3 (class VII), black passivation
  • Zinc-Nickel Transparent passivation (class IV)
  • Zinc-Nickel Black passivation (class VII)

It is also possible to add, as an additional service, SEALING or LUBRICATION, SANDBLASTING, DEHYDROGENATION and ZINC FLAKE coating treatments.


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Call us now at +39 011 9442182 | info@checchin.com
Entrust us with your products, we will protect them.

Checchin S.r.l. - Company specialized in electrolytic galvanizing

A consolidated production reality in the field of electrolytic galvanizing, with multiple years of experience and with a constant desire to innovate itself and its product/service.

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Who we are

Checchin s.r.l is a family-run company that since 1959 has been dealing with protecting and making anticorrosive metals, subject to galvanic corrosion. Since the early years it has created a technological and production system among the best in Europe, created with innovative programs and constantly cutting-edge treatments, characteristics that have made Checchin s.r.l. leader in static, barrel and lamellar galvanizing.

It sets its principles towards an innovative, competitive, safe and digitized standard production model, without renouncing 3 main characteristics: flexibility, availability and care for the environment, which distinguish it from other competitors.

The know-how acquired over the years allows Checchin srl to play the role of "partner", rather than a simple supplier, placing the needs of the customer, the market and the reference specifications in the Fasteners and Automotive sectors in 1st place and providing a remarkable variety of products and services. For these reasons, it collaborates with its passivation manufacturers to support and improve the thermal-chemical aspects, offering advice through specialized production technicians.

The goal of Checchin s.r.l is to obtain the maximum result of resistance of the detail in the various galvanizing processes by fulfilling the requests of each customer.

  • Who we are Checchin 1
  • Who we are Checchin 2
  • Who we are Checchin 3

Plants and coatings

The term GALVANIZING indicates the process by which a carbon zinc coating is applied to an iron, zamak or steel substrate as protection against corrosion.

The material to be treated is properly prepared (pre-degreased, pickled and degreased), and then subsequently immersed in an electrolytic solution containing zinc salts. Finally, a passage of current is created between the piece and the solution so that the metal zinc can settle on the surface of the piece itself.

Our structure is made up of 21,000 m2, of which 6,000 m2 are covered. Checchin s.r.l is equipped with fully automated systems in order to avoid production waste and to guarantee the quality of the detail, continuity and flexibility of production. We give individual pieces complete protection and a longer lasting coating, even in damaged areas, to achieve full customer reliability. Our staff, operating over 3 shifts, is highly qualified and professionally takes care of the customer's needs to give them the maximum yield while respecting delivery times.

The CHECCHIN company deals with 3 different types of galvanizing: based on the size of the material, the color to be obtained and the desired protection:

Classic Galvanizing Barrel

Classic Galvanizing Barrel Process indicated for small metal parts and for details of small/modest dimensions and weight, which can undergo the mechanical action...

Specific barrel Zinc-Nickel

Specific barrel Zinc-Nickel Process indicated for small metal parts and for details of small/modest dimensions and weight, which can undergo the mechanical action...

Static Classic galvanization or Zinc-Nickel

Static Classic galvanization or Zinc-Nickel Process suitable for details such as brackets, assembled, gates, trolleys, pulleys, molds, crankshafts, medium-sized boxes, which...

Additional processing

In addition to the electrolytic zinc-plating processes described above, in order to improve the protection, coating and longevity of the details, we have specialized in the following processes:

Strumenti Checchin srl 1 • SEALING Plant (TOP COAT) A treatment that takes place following the "electrolytic zinc plating" and "zinc-nickel plating" processes, obtained by immersing the materials in a chemical solution which covers and significantly increases the resistance to corrosion, reducing porosity more than electrolytic treatment.

The advantage of this treatment is that of having a better resistance to corrosion, giving the details an excellent ability to not undergo alterations after thermal shocks and mechanical stresses (such as: impacts, screwing, chafing, scratches), and the ability to confer the piece an excellent friction coefficient , making it suitable for the application of moving parts of any type.
Strumenti Checchin srl 1 • DEHYDROGENATION oven It is a process that is applied to the materials treated following the "electrolytic zinc plating and zinc nickel plating" processes. The dehydrogenation oven serves to eliminate the hydrogen molecules that can be created during the galvanic process and to prevent this from happening, the details are heated and dried by means of a special static oven (at 180-200 ° C for 2/4/6 / 8/12/254 hours depending on the customer's need).

This process is recommended to eliminate visible and non-visible micro-cracks from hydrogen, ensuring a better performance of use of materials that have a high resistance class (greater than / equal to 1000 RM).
Strumenti Checchin srl 1 • SANDBLASTING plant Processing that takes place in the preparation phase of the details, therefore before they are treated. This procedure is carried out to obtain excellent surface cleaning of the pieces to be treated and is made possible thanks to a mechanical action of some iron micro-balls which attack the detail by means of a pneumatic turbine for the removal of oxides, calamines and residues generally.

The sandblasting treatment is indicated, and used, as a preventive phase for the zinc flake coating process.
Strumenti Checchin srl 1 • ZINC FLAKE coating plant NEWS 2019 Non-electrolytic but chemical-physical coating, created for the needs of the automotive sector. Its process takes place by immersing the materials in a product born from the combination of zinc and aluminium lamellae (hence the term zinc-lamellar) which, initially liquid, is applied by immersion and centrifugation to the product and followed by a subsequent slow and gradual heating operation in a latest generation conveyor oven (up to 250 ° C). Following this process, the coating is arranged in overlapping lamellae, solidifying on the surface of the material.

We have 2 different types of finishes:
  • Silver finish
  • Black finish
This type of new generation coating is chosen for the following strengths:
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    Made especially for details that, given their delicacy and criticality of use, cannot undergo any hydrogen embrittlement that is generated in the classic electrolytic process.
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    Low cooking at 250 ° C, therefore applicable on products that require a certain control of the treatment temperature such as springs.
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    High corrosion resistance with more than 2000 hours of total protection tested in the salt spray chamber.
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    Possibility of extremely thin deposit up to 5 microns. .
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    Excellent adhesion and coverage.
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    Version with friction coefficient under control.
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    Excellent for rubber-metal attack.

Quality

Our goal is to offer you the quality of our best services, while having respect for the environment, maximum protection of our partners and our team of professional workers.

We have cutting-edge tools to best meet your needs and we have an organization management system compliant with modern requirements recognized as UNI EN ISO 9001_2015 certificate.
Finally, to safeguard us and the environment around us, we use our System Green. .

Environment

System Green
We place the protection of the environment at the base of our projects and we persevere to reach the "zero impact" goal through numerous initiatives:

  • We have a modern purification plant (with a surface of 1000 square meters) of the water used in our production process with the consequent reintroduction of clean water in the galvanizing lines, and a personal annex dedicated exclusively to checking correct operation.
  • We have new hydraulic and electrical systems, which together with constant maintenance and continuous monitoring of production processes, allow to reduce industrial waste to a minimum.
  • Partnership with companies that deal with environmental services in the management of recovery, disposal, transport and recycling of waste, in complete harmony with the environment.

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Industria ecologica

Certificate

Checchin Srl has its own UNI EN ISO 9001_2015 certified Quality Management System. .

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Tools

Strumenti Checchin srl 1 • Fisher Scope We have instruments such as the spectrometer (fluorescence / laboratory / automated / energy-dispersing x-ray fluorescence) and the coating thickness gauge.
These tools allow the perfect achievement of thickness of the details, which is frequently checked to obtain the desired results.
Strumenti Checchin srl 1 • Salt spray chamber Known as a corrosion test chamber, it allows to understand how corrosion affects the material and which is the best or most suitable coating in the context of use. The machine carries out a series of tests on the details to verify the resistance of a material or coating to the corrosion process, which is naturally triggered by the reaction (chemical or electrochemical) where the aggression of oxidizing agents such as atmospheric oxygen, humidity, gas and corrosive solutions, lead the particular oxidation object to lose its characteristics.
Strumenti Checchin srl 1 • Chemical analysis laboratory We have a laboratory equipped for the chemical analysis of all our baths. Our highly qualified staff, supported by the most modern technology, guarantees the control, maintenance and development of all aspects of the production. The laboratory gives us the opportunity to work in complete safety and reliability in order to 100% satisfy your needs.

Research and development

The research and development activity takes on particular importance in our company, as we believe that great opportunities arise from the search for new technologies, for compliance with technical specifications and for respect for the environment and safety.

We have started a series of laboratories with our clients, to experiment with advanced prototypes that take full advantage of the data and new production technologies on the market.

Since 2019 Checchin s.r.l collaborates with:

  • Polito icon Politecnico di Torino (POLITO)
  • Unito icon Università di Torino (UNITO)

Checchin S.r.l is associated with Unione Industriale di Torino, to stay constantly updated on market movements and its requests.

Contact us Freccia destra
Telefono Call us now on tel. +39 011 9442182
Email info@checchin.com
Contact us Freccia destra