Preloaded Nut, High Stiffness Ball Screw for Laser Cutting Machines
Designed for extreme conditions, our ball screws deliver exceptional load-bearing capacity and superior corrosion resistance for demanding industrial environments. On the load side, we engineer these screws for high thrust loads and continuous heavy-duty operation. Manufactured from select alloy steels and reinforced through specialized heat treatment, the screw shaft and nut achieve high surface hardness and core toughness. The gothic arch groove design maximizes ball contact, distributing radial and axial loads evenly. This translates to high rigidity, minimal elastic deformation under full load, and extended service life even in stamping presses, heavy lifting systems, and large-scale automation equipment.
For corrosion resistance, we offer multiple protection strategies tailored to harsh operating conditions. Our standard options include electroless nickel plating and hard chrome coating, forming a dense barrier that effectively resists moisture, coolants, and mild chemicals. For marine environments or food processing applications requiring frequent washdowns, we provide stainless steel screws (such as 420C or 304) combined with anti-corrosion nuts. Additionally, we can integrate specialized wipers and seals to prevent particle ingress, ensuring long-term reliability in cleanrooms or outdoor installations. By combining high load capacity with robust corrosion protection, our ball screws maintain consistent precision and smooth motion in the toughest settings—from offshore platforms to chemical processing lines. This dual-performance design reduces maintenance intervals and maximizes uptime for your critical machinery.
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| Unit:mm | |||||||||||||||
Model no. |
d | I | Bead diameter |
(Nut size) | Dynamic Rating Load (Ca) |
Static Rating Load (Coa) |
|||||||||
| D | A | B | L | W | H | X | Q | n | |||||||
| DFUR1604-3 | 16 | 4 | 2.381 | 28 | 48 | 10 | 80 | 38 | 40 | 5 | M6×1 | 1×3 | 488 | 940 | |
| ☆ ☆ ☆ ☆ ☆ ☆ | DFUR1605-4 | 5 | 3.175 | 28 | 48 | 10 | 100 | 38 | 40 | 5 | M6×1 | 1×4 | 885 | 1525 | |
| DFUR1610-3 | 10 | 3.175 | 28 | 48 | 10 | 118 | 38 | 40 | 5 | M6×1 | 1×3 | 716 | 1232 | ||
| DFUR2004-3 | 20 | 4 | 2.381 | 36 | 58 | 10 | 80 | 47 | 44 | 6.6 | M6×1 | 1×3 | 541 | 1187 | |
| DFUR2005-4 | 5 | 3.175 | 36 | 58 | 10 | 101 | 47 | 44 | 6.6 | M6×1 | 1×4 | 999 | 1994 | ||
| DFUR2504-3 | 25 | 4 | 2.381 | 40 | 62 | 10 | 80 | 51 | 48 | 6.6 | M6×1 | 1×3 | 605 | 1534 | |
| DFUR2505-4 | 5 | 3.175 | 40 | 62 | 10 | 101 | 51 | 48 | 6.6 | M6×1 | 1×4 | 1119 | 2581 | ||
| DFUR2510-4 | 10 | 4.762 | 40 | 62 | 12 | 145 | 51 | 48 | 6.6 | M6×1 | 1×4 | 1927 | 2771 | ||
| DFUR3205-4 | 32 | 5 | 3.175 | 50 | 80 | 12 | 102 | 65 | 62 | 6 | M6×1 | 1×4 | 1264 | 3402 | |
| DFUR3210-4 | 10 | 6.35 | 50 | 80 | 12 | 162 | 65 | 62 | 9 | M6×1 | 1×4 | 3092 | 6101 | ||
| DFUR4005-4 | 40 | 5 | 3.175 | 63 | 93 | 14 | 105 | 78 | 70 | 9 | M8×1 | 1×4 | 1407 | 4341 | |
| DFUR4010-4 | 10 | 6.35 | 63 | 93 | 14 | 165 | 78 | 70 | 6 | M8×1 | 1×4 | 3480 | 7979 | ||
| DFUR5010-4 | 50 | 10 | 6.35 | 75 | 110 | 16 | 171 | 93 | 85 | 11 | M8×1 | 1×4 | 3898 | 10325 | |
| DFUR6310-4 | 63 | 10 | 6.35 | 90 | 125 | 18 | 182 | 108 | 95 | 11 | M8×1 | 1×4 | 4401 | 13611 | |
| DFUR6320-4 | 20 | 9.525 | 95 | 135 | 20 | 290 | 115 | 100 | 13.5 | M8×1 | 1×4 | 7404 | 19008 | ||
| DFUR8010-4 | 80 | 10 | 6.35 | 105 | 145 | 20 | 182 | 125 | 110 | 13.5 | M8×1 | 1×4 | 4900 | 17366 | |
| DFUR8020-4 | 20 | 9.525 | 125 | 165 | 25 | 295 | 145 | 130 | 13.5 | M8×1 | 1×4 | 8403 | 25345 | ||
| Note: Those marked with ☆ can produce left-hand thread. | |||||||||||||||
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