• June 21, 2024
  • Shatou, Changan, Dongguan, CN
Knurling process

Knurling Process: Understanding Its Types, Tools, and Finishes

Knurling is a technique commonly used to decorate the surface of items, adding unique textures and patterns to products. This process usually considers various materials such as metal products, plastic products, ceramic products, etc., endowing the product with artistry and attractiveness. In the knurling process, we can use different types of tools and surface treatments to achieve various effects.

This article details several common types, tools and surface treatments of the knurling process.

Types of knurling processes include

1. Mechanical knurling

Use mechanical equipment and tools to draw patterns on the surface of objects. This can be achieved by using rotating rollers, rollers or knives on the object.

2. Chemical knurling

Use chemical methods to form patterns on the surface of objects. This can be done by coating special chemical paint on the surface of the object, and the coating will form a pattern under the action of chemical reaction.

3. Electrochemical knurling

The use of electrochemical reactions to form patterns on the surface of objects. This can be done by applying an electric current to the object, causing the metal to react and pattern the surface.

The tools used in the knurling process include

1. Roller or roller

Used in the mechanical knurling process, which can be used to describe the pattern by rolling on the object.

2. Knife

Used for mechanical knurling process, which can be used to describe the pattern by cutting on the object.

3. Mold

Used for mechanical knurling process, which can produce specific patterns on the surface of objects.

4. Chemical coating

Used in chemical knurling process to form patterns on the surface of objects by coating.

5. Power supply and electrodes

Used in electrochemical knurling process for applying current on objects.

Knurled surface treatment

After the knurling process is complete, several surface treatments can be applied to enhance its appearance and protection, such as:

1. Surface coating

A protective coating such as varnish, paint, etc. can be applied on the knurled surface to increase surface gloss and wear resistance.

2. Polishing

The knurled surface can be polished mechanically or chemically to make it smoother and brighter.

3. Plating layer

Metal layer can be plated on the knurled surface, such as silver plating, gold plating, etc., to increase the metal texture and corrosion resistance.

Precautions

The specific method and tool selection of the knurling process may vary depending on the material and product requirements, so it needs to be selected and adjusted according to the specific situation in practical applications.

1. Make sure that the selected material meets the requirements of the knurling process. For example, the material that can be knurled should generally have a certain hardness, toughness and plasticity.

2. Before knurling, check and maintain the knurling equipment to ensure its normal operation.

3. When operating the knurling equipment, the distance and pressure between the knurling wheel and the worktable should be adjusted correctly according to the process requirements to ensure the knurling effect.

4. Pay attention to safety when using knurling equipment, such as wearing protective glasses, gloves and other personal protective equipment to prevent accidental injuries.

5. When knurling, keep a stable speed and strength to avoid poor knurling effect caused by too fast or too slow.

6. For complex knurling patterns, samples can be made in advance to ensure that the final knurling effect meets the requirements.

7. After knurling is completed, smoothness inspection and trimming should be carried out to improve the appearance quality of knurled products.

8. During the knurling process, attention should be paid to the protection of the material surface to avoid scratches or damage during the knurling process.

9. Keep the knurling equipment and working area clean, and regularly clean the equipment and knurling tools to ensure the stability and effect of knurling.

Summarize

Knurling is an amazing technology that is widely used in various fields. Whether it is mechanical knurling or hand knurling, it can add unique artistic value to the product. With the right choice of tool and finish, knurling can give an item a personalized finish, making it more attractive and adding value.

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