The SERRMAC RAG 25 column drill , a used machine, is a classic professional tool for drilling materials such as steel and cast iron. The Serrmac , renowned for the quality of its industrial drills, offers with the RAG 25 a reliable and robust solution, ideal for mechanical workshops and industrial sectors.

Mechanical characteristics:

• Spindle stroke : 100 mm, which allows a large drilling depth.
• Chuck connection : conical type CM3, for a wide range of drills.
• Drilling capacity : up to 28 mm on steel and 30 mm on cast iron, making it a versatile machine.
• Work table : 350x250 mm, with two T-slots for fixing the pieces to be worked.
• Motor power : 0.74 kW with adjustable speed between 127 and 2380 RPM, to adapt to different materials and processing needs.

Usage procedure:

The operation of the SERRMAC RAG 25 is simple but effective: you start by fixing the piece to the table using the T-slots. Subsequently, you adjust the speed of the spindle based on the material to be drilled. The formula for determining the optimal spindle rotation speed is:

$\text{RPM}$

Where:

• VcV_c $V$ c ​is
• DD $D$ is the tip diameter (in mm).

Workable materials:

Thanks to its robustness, the SERRMAC RAG 25 column drill can process hard materials such as steel, cast iron, aluminum and plastic, adapting the drilling speed and pressure according to the material.

Matching accessories:

It can be equipped with a wide range of accessories, including interchangeable chucks, clamping vices and rotary tables to improve precision and operational flexibility.

Maintenance:

Maintenance of the SERRMAC RAG 25 includes regular lubrication of the spindle and guides, as well as periodic checking of the integrity of the bearings. Checking that the electrical system is always functioning is essential to guarantee the longevity of the machine.

Evaluation of a good used one:

When purchasing a SERRMAC RAG 25 , it is important to check the fluidity of the spindle and the integrity of the work table. Checking the motor and spindle speeds is also essential to ensure the machine is still in good operating condition

In conclusion, the SERRMAC RAG 25 drill press is an excellent choice for those looking for used but quality equipment, useful in sectors such as precision mechanics, engineering and metalworking. Thanks to its reliability, it is always worth considering it as a solid option in the used market.

 INTERNAL CODE SVR 160