Products

IRONING

Ironing is an additive,
applied for the creation of wear-resistant, hard electrodeposited ironing with
coloration.
Product form / solution

Introduction of NCM activated Nano carbon materials with ironing and SAA-dispergator into electrolytic solution allows

Enhancing micro hardness of surfaces up to
750 HV 0,1

Provision of allowable coating thickness without intermediate machining in bath about
1,2 mm (2.4 mm per diameter), and about
1,55-1,9 mm in flow (3.1-3.8 mm per diameter)

Enhance efficiency of electrolyte decorative and corrosion resistant processing of coatings

Enhance plating rate up to 0.40-0.5 mm/h (0.8-1 mm/h per diameter)
0,40-0,5 mm/h (0.8-1 mm/h per diameter)

Provide dry tension coefficient under
0.08 during friction tests, conducted in accordance with finger-surface methods (intender VK6 hard alloy, load 50 g)

Reduction of tension and coating fissuring, excluding possibility of cracking. Equal disposition of carbon in upper layer of coating. NCM iron acts as a hard lubricant, filling voids and inequalities. It provides perfectly smooth topology of friction bodies and creates self-repairing system.

Spheres of application

The repair and surface
hardening have worn out steel
and cast iron details
of shaft-hole type

Galvanoplastic
refilling

Microphotograph of iron coating surface

Microphotograph of NCM iron coating surface

1. Iron coating of sulphate electrolyte / 2. NCM iron coating of sulphate electrolyte

Repair of rolling-stock wheel pairs, functional units of motor and tractor and agricultural machines

If compared with thermal methods of repair (build-up, sputtering, reinforcement heating), electrodeposited ironing has no impact on material structure of a detail; it does not create zones of high internal tension in metal and does not lead to cracks formation.

Equipment and expendable materials for electrodeposited ironing are substantially cheaper in comparison to ones for thermal methods.

Standard electrodepositing equipment is applied.

Works performed

01

The manufacture of equipment and tooling

02

Supervising installation of equipment, introduction of technological process

03

Drawing up design documentation

04

Training personnel, support in case of further equipment stock expansion

05

Development of the technological layout in accordance with a draft of premise areas with communications, submissions by the Customer, nomenclature of restorable details, operational program, chosen technological process and equipment list

06

Drawing up technological documentation, including:
- Standard technological process (technological processes);
- Operating procedure.

The technological process and equipment

Ironing technological processes in still-plating bath, fixed with hanging tools, is the most common and can be used for repair of wide nomenclature of details. The process requires baths for: ironing / degreasing / anode activation / cool flushing.

Bath dimensions and current source capacity shall be chosen in accordance with items dimensions, program and nomenclature.

Source of asymmetric current for ironing and source of direct current for anode activation are required.

If required, ironing bath may be equipped with a pump, filters, stand for flow through ironing or (and) stand with a rotation unit, which can converse the bath into unit for ironing out of bath.

The developed recourse-saving technology of protective and decorative passivation by means of barrier films formation allows:

The formation of nonporous black films with enhanced decorative features, adhesion, corrosion resistant, mechanical resistant and wear resistant without additional processing;

Passivation of geometrically complex items;

Creation of rich black coatings at temperatures lower by 55-60°С, if compared with electrochemical processes;

Reduction of alkali concentration by 1.7-2 times, if compared with chemical oxidation;

Use of standard equipment compatible with electrolyte ironing processes.

Resource-saving technology of electrolyte protective and decorative passivation of iron coatings and carbon steel.

The developed resource-saving technology allows for the creation of iron coatings with high tribo-technical, protective and decorative properties and substantial expansion of traditional application spheres: from repair of agricultural machines and functional units of rolling-stock wheel pairs to the manufacture of furniture design elements, various types of accessories, instrument-making, manufacture of tools and special products, including coatings for solar collectors.

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