车削转速与进给表
车削转速与进给表，包含切削速度、主轴转速、每齿进给和进给速度等常用参考值与计算公式。正式加工前请结合刀具厂家数据和机床条件复核。
Turning speed chart
| Material | HSS SFM | Carbide SFM |
|---|---|---|
| Free machining carbon steel 1212/1215 | 270-290 | 820-1045 |
| Plain carbon steel 1006-1026 | 125-215 | 800-885 |
| Plain carbon steel 1027-1052 | 55-180 | 670-970 |
| Austenitic stainless 201/304/316 | 115-135 | 570 |
| Cast iron class 20-40 | 145-215 | 410 |
| Brass C360/C377 family | 300-350 | 1170 |
| Bronze C226/C651/C655/C675 | 200-250 | 715 |
| Wrought aluminum 6061/5000/6000/7000 | 500-600 | 2820 |
| Cast aluminum | 600-750 | 2820 |
SFM to spindle speed calculator
Lathe feed and speed notes
In turning, surface speed uses the workpiece diameter. Feed is usually programmed as inches per revolution or mm per revolution, and feed rate equals RPM multiplied by feed per revolution.
FAQ
Are these chart values final production recommendations?
No. They are starting values for planning. Use the specific cutting tool manufacturer data, workholding condition, coolant method, and machine limits before running production parts.
Why do different speed and feed charts disagree?
Charts assume different tool materials, coatings, tool life targets, rigidity, coolant, radial engagement, and material hardness. A generic chart should be adjusted to the actual tool and setup.
How do I convert SFM to RPM?
For inch units, RPM = 3.82 × SFM ÷ cutter diameter in inches. For metric units, RPM = 1000 × Vc ÷ (π × diameter in millimeters).
How do I calculate lathe feed rate?
Feed rate = RPM × feed per revolution. For example, 800 RPM at .006 in/rev equals 4.8 IPM.
Should I use HSS or carbide SFM values?
Use the column matching the tool material and insert/tool grade. Carbide can run much faster than HSS, but it requires adequate rigidity and correct edge geometry.
Data sources and limits
These charts are starting values only. Actual speeds and feeds depend on tool geometry, coating, holder rigidity, coolant, chip evacuation, radial width of cut, axial depth of cut, material hardness, and machine power.
- Sandvik Coromant: milling definitions for cutting speed, spindle speed, feed per tooth, feed per minute, MRR, cutting force, and power.
- Kennametal: RPM, IPM, chip-load, and SFM formulas.
- Harvey Tool: general carbide end mill SFM and chip-load tables.
- Norseman Drill & Tool: HSS drill speed and feed rules of thumb.
- LittleMachineShop: turning, milling, drilling, and reaming cutting speed tables.