PA-2 | PA-G5/F5 | TC-3 | TC-5 | PA-C | PA-SS | ||
Material | WC | WC/TiC | WC | WC/TiC | Ceramic | Stainless steel | |
Co | Ni/Cr | Co/Ni/Cr | Co/Cr | ZrO2-YO2 | 440C | ||
Density(g/cm³) | 15.0 | 11.5 | 14.4 | 7.8 | 6.1 | 7.8~9.5 | |
Hardness(HV) | 1300~1500 | ≥1680 | 1500~1700 | ≥1600 | ≥1200 | ≥58 (HRC) | |
Property | for oil-based inks, magnetic | especially for GEL Ink, non magnetic, anti-corrossion | For all kinds of inks , anti-corrossion,magnetic | economical ball for all kinds of inks, magnetic | Excellent anti-corrossio,Non-magnetic | economical ball for oil ink only,magnetic,low level at hardness | |
Anti-corrossion Feature | Oil-based | ○ | ○○ | ○ | ○ | ○○ | ○ |
Water-based | X | ○○ | ○ | ○ | ○○ | X | |
GEL | X | ○○ | ○ | ○○ | ○○ | X | |
标记: ○○ Very Good ○ OK X Not Suitable | |||||||
Surface | FSS | FSS | FSS | FSS | FSS | / | |
FS | FS | FS | FS | FS | FS | ||
R | R | R | R | R | R | ||
RR | RR | RR | RR | RR | RR | ||
RRR | RRR | RRR | RRR | / | / | ||
Diameter | 1.6 | 1.6 | 1.6 | / | / | / | |
1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | ||
1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | ||
1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||
0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | ||
0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | ||
0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | ||
/ | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||
/ | 0.4 | 0.4 | / | / | / | ||
/ | 0.3 | 0.3 | / | / | / | ||
Accuracy | Lot mean | ±0.0015mm | ±0.0015mm | ±0.0015mm | ±0.0015mm | ±0.0015mm | ±0.0015mm |
Internal Difference | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | |
Roundness | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm | ≤0.0005mm |
Prime Alloy is using Swiss Nanosurf scanning system, checking one area Sa instead of only one line Ra
Ra | Sa | |
FSS | ≤0.005 | ≤0.005 |
FS | (0.003, 0.010) | (0.003, 0.010) |
R | (0.010, 0.020) | (0.010, 0.020) |
RR | (0.020, 0.040) | (0.020, 0.040) |
RRR | ≥0.030 | ≥0.030 |