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Industrial powder coating on an automated line

LLC PC «ToolMetalStamp» offers industrial powder coating services on an automated line with full chemical surface preparation.

Key advantages of the service

  1. High productivity: up to 2,000 items (e.g., shovels) per hour, enabling prompt fulfillment of large orders.
  2. Processing of large-sized items: the line’s three-tier hanging system allows coating of bulky products, thus expanding the range of possible orders.
  3. Coating quality: powder coating provides a uniform and durable finish that is resistant to corrosion and mechanical damage.
  4. Chemical surface preparation: the system includes degreasing, pickling (if necessary), phosphating, or chromating — all of which improve paint adhesion and extend the coating’s service life.

Technological process

Chemical surface preparation

  • Degreasing

    Removal of oils, greases, and other contaminants using alkaline solutions or organic solvents.

  • Pickling (if necessary):

    Removal of rust and scale using acidic solutions.

  • Phosphating or chromating:

    Formation of a conversion coating to enhance adhesion and anti‑corrosion properties.

  • Rinsing and passivation:

    Removal of residual reagents and additional surface protection.
Application of powder paint

  • Electrostatic spraying in a special booth.

    The recovery system allows returning up to 97% of unused powder for re‑application.

  • Polymerization:

    Baking the coating in an oven at 160–220 °C (depending on the paint type) to form a durable layer
Equipment and its capabilities

  • Chemical treatment unit

    Can be implemented as spray treatment, immersion, or a hybrid method. Includes several sections for sequential processing of items.
    Paint application booths: ensure uniform coating and minimization of material waste.

  • Polymerization oven:

    Maintains the set temperature to form the coating. Can be of проходного (tunnel‑type) or тупикового (dead‑end) design, with various heating types (gas, electric, diesel).

  • Overhead conveyor:

    Transports items between processing stages. The conveyor’s load capacity and speed are calculated according to specific task requirements.

  • Control system:

    Automates monitoring and control of process parameters (temperature, time, conveyor speed).

Possible areas of application:

  • Manufacturing of metal structures (shovels, agricultural machinery, construction components).
  • Painting of large‑sized items that require special surface preparation approaches.
  • Series production where high coating quality standards must be met.

Additional services

  • Consultations on selecting the type of powder paint based on the operating conditions of the products.
  • Development of customized solutions for specific tasks (e.g., painting items with non‑standard shapes).
  • Service maintenance and supply of consumable materials.

The process of product coating using an automated powder coating line with chemical surface preparation system

Contacts


metalinvest.tul@mail.ru
Tula region, Shchekino, Boldina str. 121G, office. 7

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