Ball Screw
The DKFZD ball screw is a double nut ball screw featuring inner cycle end cap structure. Having smooth motion, it is suitable for use in situations which require medium lead and speed. The ball screw is usually used for various industrial equipment, precision instruments and precision CNC machine tools.
Technical Specifications of the DKFZD Ball Screw
| Code and Spec. | Nominal Dia. D0 | Basic Lead PhD | Outer Dia. of Ball Screw d1 | Ball Dia. DW | Bottom Dia. of Ball Screw d2 | Number of Circles n | Basic Rated Load | Rigidity KC N/um | |
| Dynamic Load C0KN | Static Load CDNKN | ||||||||
| DKFZD2510-4 | 25 | 10 | 24 | 3.969 | 21.1 | 4 | 16.1 | 39.3 | 1011 |
| DKFZD3206-5 | 32 | 6 | 31 | 3.969 | 28.1 | 5 | 25.4 | 67.6 | 1664 |
| DKFZD3210-4 | 32 | 10 | 31 | 6.35 | 26.4 | 4 | 33.7 | 81.2 | 1324 |
| DKFZD3210-5 | 32 | 10 | 31 | 6.35 | 26.4 | 5 | 41.6 | 103.7 | 1661 |
| DKFZD3212-4 | 32 | 12 | 31 | 6.35 | 26.4 | 4 | 33.8 | 81.4 | 1326 |
| DKFZD3212-5 | 32 | 12 | 31 | 6.35 | 26.4 | 5 | 41.6 | 103.9 | 1663 |
| DKFZD4010-5 | 40 | 10 | 39 | 6.35 | 34.4 | 5 | 46.9 | 131.2 | 2026 |
| DKFZD4012-5 | 40 | 12 | 39 | 6.35 | 34.4 | 5 | 46.9 | 131.3 | 2023 |
| DKFZD4016-5 | 40 | 16 | 39 | 6.35 | 34.4 | 5 | 46.5 | 131.3 | 2009 |
| DKFZD4020-5 | 40 | 20 | 39 | 6.35 | 34.4 | 5 | 46.7 | 11.3 | 2009 |
| DKFZD4025-4 | 40 | 25 | 39 | 6.35 | 34.4 | 4 | 37.9 | 103.7 | 1588 |
| DKFZD5040-5 | 50 | 10 | 49 | 6.35 | 44.4 | 5 | 52.2 | 165 | 2438 |
| DKFZD5012-5 | 50 | 12 | 49 | 6.35 | 44.4 | 5 | 52.2 | 165 | 2438 |
| DKFZD5016-5 | 50 | 16 | 49 | 6.35 | 44.4 | 5 | 52.5 | 165.5 | 2452 |
| DKFZD5020-5 | 50 | 20 | 49 | 6.35 | 44.4 | 5 | 52.1 | 165.7 | 2452 |
| DKFZD5025-4 | 50 | 25 | 49 | 6.35 | 44.4 | 4 | 42.3 | 130.4 | 1933 |
| DKFZD5030-4 | 50 | 30 | 49 | 6.35 | 44.4 | 4 | 42.3 | 131 | 1920 |
| DKFZD5040-3 | 50 | 40 | 49 | 6.35 | 44.4 | 3 | 33.2 | 98.2 | 1386 |
| DKFZD6310-5 | 63 | 10 | 61 | 6.35 | 54.4 | 5 | 56.8 | 202.5 | 2858 |
| DKFZD6312-5 | 63 | 12 | 61 | 6.35 | 54.4 | 5 | 56.8 | 202.5 | 2915 |
| DKFZD6312-5 | 63 | 12 | 61 | 7.938 | 55.3 | 5 | 7.9 | 234.5 | 3904 |
| DKFZD6315-5 | 63 | 16 | 61 | 6.35 | 56.4 | 5 | 56.8 | 202.5 | 2915 |
| DKFZD6316-5 | 63 | 16 | 61 | 10 | 53.9 | 5 | 102.3 | 358.8 | 3056 |
| DKFZD6320-5 | 63 | 20 | 61 | 6.35 | 56.4 | 5 | 56。9 | 204.3 | 2912 |
| DKFZD6320-5 | 63 | 20 | 61 | 10 | 53.9 | 5 | 138.1 | 447.2 | 3971 |
| DKFZD6325-4 | 63 | 25 | 61 | 6.35 | 56.4 | 4 | 46.8 | 163.1 | 2321 |
| DKFZD6325-4 | 63 | 25 | 61 | 10 | 53.9 | 4 | 112.6 | 353.3 | 3161 |
| DKFZD6330-4 | 63 | 30 | 61 | 6.35 | 56.4 | 4 | 46.7 | 163.1 | 2305 |
| DKFZD6330-4 | 63 | 30 | 61 | 10 | 53.9 | 4 | 112.4 | 353.4 | 3149 |
| DKFZD6340-3 | 63 | 40 | 61 | 6.35 | 56.4 | 3 | 36.2 | 120.5 | 1714 |
| DKFZD6340-3 | 63 | 40 | 61 | 10 | 53.9 | 3 | 86.2 | 254.6 | 2297 |
| D1 （g6） | D2 (-0.1-0.2) | L2 | D3 | B | D4 | D5 | TYPE | T | T1 | M | L1 | Code and spec. |
| 95 | 95 | 20 | 135 | 22 | 115 | 13.5 | 2 | 50 | 100 | M8x1 | 168 | DKFZD6310-5 |
| 95 | 95 | 20 | 135 | 22 | 115 | 13.5 | 50 | 100 | M8x1 | 180 | DKFZD6312-5 | |
| 98 | 98 | 20 | 138 | 25 | 118 | 13.5 | 51.5 | 103 | M8x1 | 198 | DKFZD6312-5 | |
| 95 | 95 | 30 | 135 | 22 | 115 | 13.5 | 50 | 100 | M8x1 | 227 | DKFZD6316-5 | |
| 107 | 107 | 30 | 147 | 28 | 127 | 13.5 | 56 | 112 | M8x1 | 242 | DKFZD6316-5 | |
| 95 | 95 | 40 | 135 | 22 | 115 | 13.5 | 50 | 100 | M8x1 | 263 | DKFZD6320-5 | |
| 107 | 107 | 10 | 147 | 28 | 127 | 13.5 | 56 | 112 | M8x1 | 288 | DKFZD6320-5 | |
| 95 | 95 | 40 | 135 | 22 | 114 | 13.5 | 50 | 100 | M8x1 | 257 | DKFZD6325-4 | |
| 107 | 107 | 40 | 147 | 28 | 127 | 13.5 | 56 | 112 | M8x1 | 283.5 | DKFZD6325-4 | |
| 95 | 95 | 40 | 135 | 22 | 115 | 13.5 | 50 | 100 | M8x1 | 301 | DKFZD6330-4 | |
| 107 | 107 | 40 | 147 | 28 | 127 | 13.5 | 56 | 112 | M8x1 | 331 | DKFZD6330-4 | |
| 95 | 95 | 40 | 135 | 22 | 115 | 13.5 | 50 | 100 | M8x1 | 309 | DKFZD6340-3 | |
| 107 | 107 | 10 | 147 | 28 | 127 | 13.5 | 56 | 112 | M8x1 | 320 | DKFZD6340-3 | |
| 45 | 45 | 15 | 65 | 11 | 54 | 6.6 | 1 | 25.5 | 51 | M6 | 122 | DKFZD3620-4 |
| 53 | 10 | 10 | 87 | 12 | 72 | 9 | 31 | 62 | M6 | 107 | DKFZD3206-5 | |
| 62 | 15 | 15 | 92 | 14 | 77 | 9 | 37 | 74 | M6 | 135 | DKFZD3210-4 | |
| 62 | 15 | 15 | 92 | 14 | 77 | 9 | 37 | 74 | M6 | 155 | DKFZD3210-5 | |
| 62 | 15 | 15 | 92 | 14 | 77 | 9 | 37 | 74 | M6 | 149 | DKFZD3212-4 | |
| 62 | 15 | 15 | 92 | 14 | 77 | 9 | 37 | 74 | M6 | 173 | DKFZD3212-5 | |
| 70 | 70 | 20 | 100 | 14 | 85 | 9 | 2 | 37.5 | 75 | M8x1 | 155 | DKFZD4010-5 |
| 70 | 70 | 20 | 100 | 14 | 85 | 9 | 37.5 | 75 | M8x1 | 173 | DKFZD4012-5 | |
| 70 | 70 | 30 | 100 | 14 | 85 | 9 | 37.5 | 75 | M8x1 | 213 | DKFZD4015-5 | |
| 70 | 70 | 30 | 100 | 14 | 85 | 9 | 37.5 | 75 | M8x1 | 257 | DKFZD4020-5 | |
| 70 | 70 | 30 | 100 | 14 | 85 | 9 | 37.5 | 75 | M8x1 | 251 | DKFZD4025-4 | |
| 82 | 82 | 20 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 163 | DKFZD5010-5 | |
| 82 | 82 | 20 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 181 | DKFZD5012-5 | |
| 82 | 82 | 30 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 217 | DKFZD5016-5 | |
| 82 | 82 | 30 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 264 | DKFZD5020-5 | |
| 82 | 82 | 30 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 258 | DKFZD5025-4 | |
| 82 | 82 | 30 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 302 | DKFZD5030-4 | |
| 82 | 82 | 30 | 118 | 16 | 100 | 11 | 46 | 92 | M8x1 | 306 | DKFZD5040-3 |
NOTE
1. KC is the theoretical calculation value when preload Fp is 0.1Ca and axial load F is 0.3Ca.
2. When axial load F is not equal to 0.3Ca.
KC=K (F/0.3Ca)1/3
In formula, K is rigidity value shown in Table.
3. The normal working environment temperature is ±80℃.
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