Dust Proof Custom Ball Screw C3 C7 Ball Lead Screw Corrosion Resistant For CNC Robots
Customizable Ball Screw For CNC Robots Dust Proof Corrosion Resistant
SEXGL ground ball screws deliver unparalleled accuracy and durability in high-precision automation systems, trusted by global leaders like BYD (EV powertrain assembly) and BOE (LCD panel cutting robots) across North America, Europe, Southeast Asia, and South Korea.As a critical component for precision motion control in CNC machines, this ball screw provides stable and reliable transmission support for high-precision machining, high-speed cutting, and heavy-load operations through innovative design and material technology. It helps enhance the machining accuracy and production efficiency of machine tools.
Characteristics
Achieved through precision grinding processes and high-precision lead control, ensuring tight tolerance for critical motion control.
Engineered for longevity with premium materials and sealed designs, reducing downtime and operational costs.
Unique ball recirculation system converts sliding friction to rolling friction, delivering up to 90% transmission efficiency while handling demanding dynamic loads.
Offers precision class options from C3 to C7 (ISO 3408 compliant), with configurations tailored for diverse industrial environments.
Theory
Ball screws operate via recirculating ball bearings that roll between the screw shaft and nut. As the screw rotates, the balls circulate through helical grooves, transferring motion linearly. This rolling-contact mechanism replaces sliding friction with near-frictionless motion, reducing heat generation and power consumption. Preload adjustments eliminate axial play, ensuring zero backlash and enhanced positional accuracy.
Model no. |
d | Lead | Bead diameter |
(Nut size) | Dynamic Rating Load( Ca) |
Static Rating Load (Coa) |
rigidity kgf/ μm |
||||||||
| D | A | B | L | W | H | X | Q | n | |||||||
| SFDCR2812-2.8 | 28 | 12 | 6.35 | 54 | 87 | 16 | 65.5 | 72 | 9 | 69 | M8×1 | 2.8×1 | 2752 | 5746 | 43 |
| SFDCR2812-3.8 | 12 | 6.35 | 54 | 87 | 16 | 77.5 | 72 | 9 | 69 | M8×1 | 3.8×1 | 3579 | 7799 | 59 | |
| SFDCR2812-4.8 | 12 | 6.35 | 54 | 87 | 16 | 89.5 | 72 | 9 | 69 | M8×1 | 4.8×1 | 4375 | 9851 | 74 | |
| SFDCR2816-2.8 | 16 | 4.762 | 48 | 74 | 12 | 74.5 | 60 | 6.6 | 60 | M6×1 | 2.8×1 | 1855 | 3589 | 41 | |
| SFDCR2816-3.8 | 16 | 4.762 | 48 | 74 | 12 | 90.5 | 60 | 6.6 | 60 | M6×1 | 3.8×1 | 2412 | 4871 | 55 | |
| SFDCR2816-4.8 | 16 | 4.762 | 48 | 74 | 12 | 106.5 | 60 | 6.6 | 60 | M6×1 | 4.8×1 | 2949 | 6153 | 70 | |
| SFDCR3210-2.8 | 32 | 10 | 4.762 | 58 | 91 | 18 | 57 | 76 | 6 | 68 | M8×1 | 2.8×1 | 1955 | 4041 | 45 |
| SFDCR3210-3.8 | 10 | 4.762 | 58 | 91 | 18 | 67 | 76 | 6 | 68 | M8×1 | 3.8×1 | 2542 | 5485 | 61 | |
| SFDCR3210-4.8 | 10 | 4.762 | 58 | 91 | 18 | 77 | 76 | 6 | 68 | M8×1 | 4.8×1 | 3107 | 6928 | 77 | |
| SFDCR3205-2.8 | 5 | 3.175 | 50 | 87 | 16 | 39 | 72 | 9 | 69 | M8×1 | 2.8×1 | 1118 | 2653 | 43 | |
| SFDCR3205-3.8 | 5 | 3.175 | 50 | 87 | 16 | 44 | 72 | 9 | 69 | M8×1 | 3.8×1 | 1454 | 3600 | 58 | |
| SFDCR3205-4.8 | 5 | 3.175 | 50 | 87 | 16 | 49 | 72 | 6 | 69 | M8×1 | 4.8×1 | 1778 | 4547 | 73 | |
| SFDCR3212-2.8 | 12 | 4.762 | 53 | 87 | 16 | 40.5 | 72 | 9 | 69 | M8×1 | 2.8×1 | 1956 | 4049 | 45 | |
| SFDCR3212-3.8 | 12 | 4.762 | 53 | 87 | 16 | 64.5 | 72 | 6 | 69 | M8×1 | 3.8×1 | 2544 | 5496 | 61 | |
| SFDCR3212-4.8 | 12 | 4.762 | 53 | 87 | 16 | 88.5 | 72 | 6 | 69 | M8×1 | 4.8×1 | 3110 | 6942 | 77 | |
| SFDCR3216-2.8 | 16 | 6.35 | 57 | 87 | 16 | 77.5 | 72 | 6 | 69 | M8×1 | 2.8×1 | 2915 | 11226 | 48 | |
| SFDCR3216-3.8 | 16 | 6.35 | 57 | 87 | 16 | 93.5 | 72 | 6 | 69 | M8×1 | 3.8×1 | 3790 | 8887 | 66 | |
| SFDCR3216-4.8 | 16 | 6.35 | 57 | 87 | 16 | 109.5 | 72 | 9 | 69 | M8×1 | 4.8×1 | 4634 | 6549 | 83 | |
| SFDCR4006-2.8 | 40 | 6 | 3.969 | 58 | 91 | 18 | 45.5 | 76 | 6 | 68 | M8×1 | 2.8×1 | 1671 | 4010 | 52 |
| SFDCR4006-3.8 | 6 | 3.969 | 58 | 91 | 18 | 51.5 | 76 | 9 | 68 | M8×1 | 3.8×1 | 2172 | 5618 | 70 | |
| SFDCR4006-4.8 | 6 | 3.969 | 58 | 91 | 18 | 57.5 | 76 | 6 | 68 | M8×1 | 4.8×1 | 2656 | 7096 | 88 | |
| SFDCR4010-2.8 | 10 | 6.35 | 65 | 95 | 18 | 62.5 | 80 | 9 | 72 | M8×1 | 2.8×1 | 3192 | 9048 | 57 | |
| SFDCR4010-3.8 | 10 | 6.35 | 65 | 95 | 18 | 72.5 | 80 | 6 | 72 | M8×1 | 3.8×1 | 4150 | 10922 | 77 | |
| SFDCR4010-4.8 | 10 | 6.35 | 65 | 95 | 18 | 82.5 | 80 | 6 | 72 | M8×1 | 4.8×1 | 5074 | 13797 | 97 | |
| SFDCR4012-2.8 | 12 | 6.35 | 65 | 95 | 18 | 65.5 | 80 | 9 | 72 | M8×1 | 2.8×1 | 3194 | 8058 | 57 | |
| SFDCR4012-3.8 | 12 | 6.35 | 65 | 95 | 18 | 77.5 | 80 | 9 | 72 | M8×1 | 3.8×1 | 4153 | 10936 | 77 | |
| SFDCR4012-4.8 | 12 | 6.35 | 65 | 95 | 18 | 89.5 | 80 | 9 | 72 | M8×1 | 4.8×1 | 5077 | 13815 | 97 | |
| SFDCR4016-2.8 | 16 | 6.35 | 65 | 95 | 18 | 76.5 | 80 | 6 | 72 | M8×1 | 2.8×1 | 3198 | 8085 | 57 | |
| SFDCR4016-3.8 | 16 | 6.35 | 65 | 95 | 18 | 92.5 | 80 | 9 | 72 | M8×1 | 3.8×1 | 4159 | 10972 | 77 | |
| SFDCR4016-4.8 | 16 | 6.35 | 65 | 95 | 18 | 108.5 | 80 | 6 | 72 | M8×1 | 4.8×1 | 5084 | 13860 | 97 | |
| SFDCR5010-2.8 | 50 | 10 | 6.35 | 75 | 118 | 18 | 62.5 | 100 | 11 | 92 | M8×1 | 2.8×1 | 3509 | 9982 | 67 |
| SFDCR5010-3.8 | 10 | 6.35 | 75 | 118 | 18 | 72.5 | 100 | 11 | 92 | M8×1 | 3.8×1 | 4563 | 13547 | 90 | |
| SFDCR5010-4.8 | 10 | 6.35 | 75 | 118 | 18 | 82.5 | 100 | 11 | 92 | M8×1 | 4.8×1 | 5578 | 17112 | 114 | |
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