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Machining on machine tools

Aluminum and most of its alloys are plastic materials, but a number of alloys, such as AL2, it is advisable to process on lathes, using tools made of high-speed steel. The peculiarity of preparing and carrying out turning operations is as follows:

• The initial workpiece should be subjected to aging: in this case, its structure (especially in cast alloys) becomes finely dispersed, and more stable against possible changes in the temperature of the workpiece during turning. Siluminous alloys are an exception;
• The right choice of feed determines the quality of turning: at high feeds and depths of cutter plunge into the material long drain chips are formed, which is an obstacle to accurate movement of the tool;
• Turning tools and fixtures should have surfaces that allow shavings to be ejected or cut into smaller fragments.

Supplier Evek GmbH offers to buy aluminum of domestic and foreign production at an affordable price in a wide range. We provide delivery of products anywhere in the continent. Price is optimal.

Optimization of turning

To improve the turning of the tool, designed for turning aluminum billets, special chip grooves are provided whose profile corresponds to the best conditions for chip removal, turning aluminum billets, often accompanied by nastoobrazovaniya - local deposition of the machined metal at the cutting edge in the area of turning. As a result, blunting of the cutting wedge occurs, which is accompanied by an increase in the load on the tool. To get rid of such a defect is possible by increasing the smoothness of the front surface of the cutter, or by adjusting the values of the front and rear angles of the cutting wedge of the tool; With the increase in hardness, the defectiveness of turning decreases. Therefore, turning duralumin in particular is much more common than turning pure aluminum.

COOLANT

When turning an aluminum alloy of high viscosity (e.g., AMg) it is necessary to provide a continuous supply of cooling lubricants into the cutting zone. Cooling of the tool by the method of oil mist is also effective.

Buy. Supplier, price.

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