महत्वपूर्ण जानकारी
शिपिंग विधि:快递, 空运, 陆运, 海运
निर्देशांक संख्या:BT30/40/50-ER11/19/20/25/32/40
उत्पाद विवरण
| Model | BT30, BT40, BT50 |
| Bearing range | ER11, ER16, ER20, ER25, ER32, ER40 |
| Precision | 0.001mm |
| Material | 20CrMnTi |
| Speed | G2.5 25000RPM |
| Hardness | HRC55-58° |
1.20CrMnTi material, effectively protects machine tools and extends service life
2. Vacuum quenching carbonitriding treatment
3. Small processing vibration, 10 times higher vibration resistance
4. True roundness <0.8/surface grinding <0.4μ
2. Vacuum quenching carbonitriding treatment
3. Small processing vibration, 10 times higher vibration resistance
4. True roundness <0.8/surface grinding <0.4μ
5. Two appearances available: A/B
Model:BT40-32-100
| Inspection items | Outer cone size d1, dk(D1) | 7:24 cone length (L1) | Stud hole diameter (D2) | Inner cone radial runout (D3) | 4D radial runout (D4) | Dynamic balance | Appearance inspection |
| Use of gauge | German inspection tool Diebold | German inspection tool Diebold | Japan Mitutoyo Inner diameter dry gauge | Japan Mitutoyo Inner diameter dry gauge | Japan Mitutoyo Inner diameter dry gauge | HAIMER Tool balancing machine | Visual inspection |
| Reference dimensions | 0 -0.002 | +0.1 -0.05 | +0.015 +0.005 | According to the contract requirements | According to the contract requirements | According to the contract requirements | No scratches or bumps |
| Measurement results | -0.001 | +0.003 | +0.011 | 0.003 | 0.006 | √ | √ |
| Conclusion | Qualified | ||||||
