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1、Choose the best hole bottom size This is the most important tip. Look, the tap tapping bottom hole needs to match the bottom hole size. Generally, the corresponding bottom hole size range will be given in the sample. Please note that this is the range. It's important to realize that there is no single tap […]
Material to be processed Carbon steel/alloy steel/cast iron < 20-30HRC Pre-hardened steel/quenched and tempered steel < 35-48HRC Stainless steel/tool steel < 25-35HRC diameter Rotating speed Feed rate Rotating speed Feed rate Rotating speed Feed rate 3 10600 565 8500 370 7430 325 4 8000 575 6500 380 5570 335 6 5300 620 4200 405 3710 […]
Chip formation can also show whether the most suitable tool is being used. If chip formation is not up to par, the tool geometry may need to be changed to improve the situation. Clearly, the geometry of the cutting tool has a significant impact on chips. Specifically, increasing the rake angle can improve chip formation, […]
Tool wear/breakage patterns Phenomenon reason solution Flank wear The cutting resistance increases and groove wear gradually forms on the flank surface. Surface quality deteriorates or size exceeds tolerances The tool material is too soft. The cutting speed is too high. The clearance angle is too small. The feed amount is too small. Select tool materials […]
Question Solution Drill bit damage Front to surface wear 1. Used in high-speed areas 2. Increase feed 3. In the case of internal coolant drilling, reduce the amount of oil supply and discharge. 4. Choose high-lubricant cutting oil Chisel edge breakage 1. Increase the width of the chisel edge 2. Increase the amount of passivation […]
Question Solution Oversized threads Incorrect tap selected for application See application sheet Incorrect axial feed Make sure to control the feed rate. If possible, use a tool holder for simultaneous tapping Cutting speed error See recommended values Tolerance error Choose a tap with a lower tolerance Undersized thread Tap wear Smoother tap The bottom hole […]
Material to be processed Carbon steel/alloy steel/cast iron < 20-30HRC Pre-hardened steel/quenched and tempered steel < 35-48HRC Stainless steel/tool steel < 25-35HRC diameter Rotating speed(rev/min) Feed rate(mm/min) Rotating speed(rev/min) Feed rate(mm/min) Rotating speed(rev/min) Feed rate(mm/min) Depth of cut Side milling ap<1.5D ae<0.1D Slot milling ap<0.3Dae<1.0D Side milling ap<1.5D ae<0.1D Slot milling ap<0.3Dae<1.0D Side milling ap<1.5D […]
Material to be processed Carbon steel/alloy steel/cast iron < 20-30HRC Pre-hardened steel/quenched and tempered steel < 35-48HRC Stainless steel/tool steel < 25-35HRC Diameter Rotating speed Feed rate Rotating speed Feed rate Rotating speed Feed rate 3 14000 680 13000 630 7500 120 4 10800 700 10000 640 5500 125 6 7000 750 6400 690 […]
Question Solution Internal thread is too large or too small The interpolation radius for thread milling in the CNC program is incorrect. The path for thread milling is incorrect. Enter the correct milling radius and adjust until the thread size is acceptable The thread is not round Feed rate too high Reduce feed rate Using […]
Material to be processed Forged aluminum, cast aluminum Si < 12% Copper alloy HB < 200 diameter Speed（rev/min ) Feed rate(mm/min） Speed（rev/min ) Feed rate(mm/min） cutting depth Side milling ap<1D ae<0.1D Slot milling aps0.5D aes1D Side milling ap<1D ae<0.1D Slot milling aps0.5D aes1D 3 8890 630 8890 630 4 8400 1001 8400 1001 6 […]
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