How to choose the right water well drilling lubricant

Choosing the right lubricant for the Drilling Rig is important for extending the life of the drill bit, improving drilling quality and reducing processing costs. The selection of lubricant requires comprehensive consideration of the following factors:

1. Workpiece material

Metal materials: for different metal materials (such as carbon steel, stainless steel, cast iron, etc.), the need to choose a different extreme pressure anti-wear performance of the lubricant.

Non-metallic materials: such as wood, plastic, etc., you need to choose a good lubrication, cooling lubricants.

2. Machining methods

Drilling, boring, reaming, etc.: different processing methods on the lubricant requirements are different. For example, high-speed drilling needs to have good cooling performance of the lubricant; deep hole drilling needs to have extreme pressure anti-wear performance of the lubricant.

3. machine equipment

Machine type: different machine tools on the viscosity of the lubricant, base oil type has different requirements.

Cooling method: If the machine tool adopts forced cooling, the evaporation of the lubricant is more demanding.

4. Processing environment

Temperature: high temperature environment needs to choose a good thermal stability of the lubricant.
Humidity: high humidity environment needs to choose the lubricant with rust resistance.

Dust: high dust environment needs to choose the lubricant with good separation performance.

5. lubricant performance requirements

Cooling: The lubricant can effectively take away the cutting heat, reduce the temperature of workpiece and tool, and prevent the workpiece from thermal deformation.
Lubrication: lubricant can form a layer of oil film, reduce cutting force, reduce tool wear.
Extreme pressure anti-wear: under high pressure, it can form a layer of protective film, preventing direct contact between the tool and the workpiece, and prolonging the life of the tool.
Rust prevention: Prevent the surface of workpiece and machine tool from rusting.

Cleanability: It can effectively take away chips and abrasive chips and keep the machining area clean.

6. Lubricant type

Mineral oil: cheaper, but poorer in high temperature performance and oxidation stability.
Synthetic oil: excellent performance, high temperature resistance, oxidation resistance, anti-wear, but the price is higher.

Semi-synthetic oil: combining the advantages of mineral oil and synthetic oil, stable performance, moderate price.

Notes on the selection of lubricants:

Consult the lubricant supplier: Detailed description of your processing conditions and requirements, seek professional advice.

Refer to the lubricant product specification: detailed understanding of the performance indicators of the lubricant, the scope of application, and so on.

Carry out small batch test: Before formal use, you can first carry out small batch test to verify whether the performance of the lubricant meets the requirements.

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