Choose the proper chip load factor (CLF) based on the radial depth of cut. Now choose the right surface feet per minute (SFM) or surface meters per minute (SMM) Use the SFM and the diameter of the mill to calculate the RPM of your machine. Use the RPM, IPT, CLF and the number of flutes to calculate the feed rate or IPM.

Recommended RPM range is 1070 - 2292 RPM At the speed of 1681 RPM, the recommended feed rate is 235340.00 - 504300.00 IPM Interpreting Results: - The maximum feed for roughing is the high rate - The starting feed for the best finish is the low rate - The starting feed for roughing should be taken from the middle of the feed range Formulas

9.2 Example applications involving copper alloys 40 9.3 Work material properties and their influence on ultra-precision machining .. 41 10 Recommended machining parameters for

20/10/  · Spindle speed ~180% of commanded. Working on a Fanuc 21-T Lathe. Spindle speed override is set to 100%. No gearbox in the machine, serial spindle control (no voltage offsets) I command M3 S500, I get S873 (ish) - no idea why. Checked through the parameters and Gear ratio of spindle to position code is set at 1:1 in parameter 3706.

note : all speeds and feeds listed here are provided for reference only. formula for computing table speed is..001 x number of teeth in cutter x rpm example cutting aluminum with a 3/4" key

using a 1/2 2 flute endmill curious what cutting speed is for c110 copper?

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11/11/  · The more speed, the higher the friction. The higher the friction, the higher the heat. And the speed at which the spindle moves and the speed it moves along the material both

a slight increase in the cutting speeds. The machining parameters listed in the tables apply to large tool cutting edge angles from about 70° to 90°.

The Flowchart section, provides an overview with step-by-step procedure to calculate the required spindle speed and power. Copper alloys 80100Rb High speed steel 66 230 20 70 0,002 0,008 0,050 0,200 Nickel alloys 80360 High speed steel 33 66 10 20 0,002 0,008 0,050 0,200 Titanium 250375 High speed steel 16 49 5 15 0,002 0,008 0,050

To generate suitable cutting conditions with such small tools, extremely high rotational speeds of the spindle are required. Here it is chosen to be 200.000 rpm 

tics of all copper beryllium alloys, cutting tool life is excellent. Normally the tool life end point is a wear land of 0.060 inch for high speed.

Some other factors that affect the surface finish of copper during the milling process are tool selection, chip load, lubrication, cutting speed