How to calculatefeed rate for milling

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Millingspeeds and feedscalculator

Depending on the main type of cutter you selected on page four, The calculator will present you with the relevant Sub-Types. In total, the Milling Speeds and Feeds Calculator support 11 configurations!

Productivity or cost-per-hole is the biggest trend affecting drilling today. This means drilling-tool and tungsten carbide drills bit manufacturers must find ways to combine some operations and also develop tools that can cope with higher feeds and speeds.

How to calculatefeed rate for drilling

Tungsten carbide drills can be swapped out easily and accurately and customers can use a single drill body with multiple carbide drill bits to drill several different hole sizes. In addition, it eliminates the cost of backups needed when regrinding brazed or solid-carbide drills. Instead of replacing the whole drill body, end users only have to purchase a tungsten carbide drills, which costs about the same as regrinding a brazed or solid-carbide drill.

Turningspeeds and feedscalculator

1. To drill for more complex materials, you can choose a higher cutting speed. 2. Selected special high-performance alloy steel drill bit blade, effectively reduce the avalanche knife, good wear resistance 3. Multi-terminal geometry cutting edge, improve drainage performance, to keep small cutting resistance

The Chip Load (Maximum chip thickness), is the largest chip that a cutting edge can handle without breaking and still maintain a decent tool-life. In the case of 90° cutters taking a radial depth of more than 50% of the cutter’s diameter, the chip load is exactly the Feed per Tooth. However, when the radial depth gets smaller, and the cutter is not a 90° shape, you can dramatically increase the feed without getting above the allowed Chip Load. The Milling Speed and Feed Calculator automatically calculated the right feed to keep the desired chip load. The calculator works in two stages:

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According to the Sub_type selected, The system will present the relevant sketch with its parameters, such as Axial Depth of Cut (As an example, we show here the parameters for a Solid Carbide Chamfering Endmill). The Effective Diameter will be calculated accordingly.