S620X / S620TX / S620ATX Recommended Milling Conditions
High-speed machining
GR.2 Low-alloyed Steel （ ~24HRC ）
GR.3 Hi-alloyed Steel （ ~30HRC ）
GR.4 Hardened Steel （ 30~38HRC ）
GR.5 Hardened Steel （ 38~48HRC ）
GR.6 Hardened Steel （ 48 ～ 56HRC ）
GR.7 Hardened Steel （ 56 ～ 68HRC ）
GR.1 Carbon Steel
Work Material
220
220
190
180
170
140
120
Vc m/min
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
Code No.
Dc
S620X/S620TX/S620ATX-R1.5 3 21,000 3,500 21,000 3,500 16,500 2,800 16,000 2,500 15,500 2,200 11,000 1,500 8,400 950 S620X/S620TX/S620ATX-R2 4 18,000 3,700 18,000 3,700 15,500 3,200 15,000 2,700 13,500 2,400 11,000 1,900 7,900 1,000 S620X/S620TX/S620ATX-R2.5 5 15,500 4,000 15,500 4,000 15,000 4,000 14,000 2,800 11,000 2,300 10,000 2,000 7,600 1,200 S620X/S620TX/S620ATX-R3 6 15,000 4,800 15,000 4,800 13,500 4,300 11,500 2,700 9,500 2,200 9,500 2,200 6,600 1,050 S620X/S620TX/S620ATX-R4 8 11,500 3,600 11,500 3,600 10,000 3,200 8,900 2,000 7,100 1,700 7,100 1,700 4,900 880 S620X/S620TX/S620ATX-R5 109,500 3,000 9,500 3,000 8,200 2,500 7,100 1,700 5,700 1,300 5,700 1,300 3,900 700 S620X/S620TX/S620ATX-R6 127,900 2,450 7,900 2,450 6,800 2,100 5,900 1,350 4,700 1,000 4,700 1,000 3,300 580 S620X/S620TX/S620ATX-R8 165,900 1,800 5,900 1,800 5,000 1,500 4,500 1,000 3,500 800 3,500 800 2,450 400 S620X/S620TX/S620ATX-R10204,700 1,300 4,700 1,300 4,000 1,200 3,500 800 2,800 650 2,800 650 2,000 320
ap:0.02D ap:0.02D ap:0.02D ap:0.02D ap:0.02D ap:0.02D ap:0.02D
Depth of Cut （ mm ）
ae:0.02D ae:0.02D ae:0.02D ae:0.02D ae:0.02D
ae:0.02D ae:0.02D
1. Please work with good rigidity / high precision facilities and collet chuck. 2. Please choose proper cutting fluid.
3. The cutting data is reference value only. Please adjust it according to your real working conditions. 4. If RPM is lower the reference value, the Feed rate (fz) and RPM should be reduced by the same proportion. 5. If vibration occurs during cutting, please reduce cutting parameter.
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