- Ball Screw Nut -
Applicable industries：Automation industry, Semi-conductor industry, Industrial machine, Medical industry, Green energy industry, Machine tool, Automated storage and retrieval system and etc.
(1)High Reliability
LIMON applies stringent quality control standards on every production process.With proper lubrication and use, trouble-free operation for an extended period of time is possible.
(2) The high efficiency of ball screw is vastly superior than conventional screws. It takes less than 30% torque to make the linear motion into rotary motion.
(3) High Rigidity and Preload
The ball screw of LIMON is designed with Gothic arch groove,which makes the screw easy to rotate even using minimum axial play. To make the rigidity more appropriate to using condition, you can change the preload between one or two screw nuts to reduce axial play.
Description
| Circulation type | Model | Characteristic | |
| Single Nut | Double Nuts | ||
| Internal Circulation type | SFK SFU SFI SCI | DFU DFI | •Dedicated diameter of screw takes only little space. •Applicable to those with smaller lead / the outside diameter of the screw |
| External Circulation type | SFV XFV | DFV | •Economy •Applicable to larger lead and diameter. •Applicable for high loading purpose. |
| End-caps Circulation type | SFS SFY | DFS | •Suitable for high speed positioning |
Size Table of SFI Screws
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| Model No. | d | l | Da | Dimension | Load Rating | |||||||||||
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| D | A | B | L | W | H | X | Y | Z | Q | n | Ca(kgf) | Coa(kgf) | ||||
| ☆ | SFI1605-4 | 16 | 5 | 3.175 | 30 | 49 | 10 | 50 | 39 | 34 | 4.5 | 8 | 4.5 | M6x1 | 1x4 | 1127 | 2288 |
| ☆ | SFI1610-3 | 10 | 3.175 | 34 | 58 | 10 | 57 | 45 | 34 | 5.5 | 9.5 | 5.5 | M6x1 | 1x3 | 909 | 1848 | |
| ☆ | SFI2005-4 | 20 | 5 | 3.175 | 34 | 57 | 11 | 51 | 45 | 40 | 5.5 | 9.5 | 5.5 | M6x1 | 1x4 | 1268 | 2991 |
| ☆ | SFI2505-4 | 25 | 5 | 3.175 | 40 | 63 | 11 | 51 | 51 | 46 | 5.5 | 9.5 | 5.5 | M8x1 | 1x4 | 1420 | 3872 |
| ☆ | SFI2510-4 | 10 | 4.762 | 46 | 72 | 12 | 85 | 58 | 52 | 6.5 | 11 | 6.5 | M8x1 | 1x4 | 2415 | 5543 | |
| ☆ | SFI3205-4 | 32 | 5 | 3.175 | 46 | 72 | 12 | 52 | 58 | 52 | 6.5 | 11 | 6.5 | M8x1 | 1x4 | 1604 | 5103 |
|
| SFI3210-4 | 10 | 6.35 | 54 | 88 | 15 | 90 | 70 | 62 | 9 | 14 | 8.5 | M8x1 | 1x4 | 3924 | 9152 | |
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| SFI4005-4 | 40 | 5 | 3.175 | 56 | 90 | 15 | 55 | 72 | 64 | 9 | 14 | 8.5 | M8x1 | 1x4 | 1786 | 6512 |
|
| SFI4010-4 | 10 | 6.35 | 62 | 104 | 18 | 96 | 82 | 70 | 11 | 17.5 | 11 | M8x1 | 1x4 | 4417 | 11669 | |
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| SFI5010-4 | 50 | 10 | 6.35 | 72 | 114 | 18 | 96 | 92 | 82 | 11 | 17.5 | 11 | M8x1 | 1x4 | 4947 | 15488 |
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| SFI6310-4 | 63 | 10 | 6.35 | 82 | 131 | 22 | 98 | 107 | 95 | 14 | 20 | 13 | M8x1 | 1x4 | 5586 | 20417 |
|
| SFI8010-4 | 80 | 10 | 6.35 | 105 | 150 | 22 | 98 | 127 | 115 | 14 | 20 | 13 | M8x1 | 1x4 | 6217 | 26049 |
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| Note:with sign ☆ can poduce left helix |
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