CTF/CMF High-load drive ball screws for all-electric injection molding machines
Note:
1) K is the theoretical calculation value when the preload force F is 0.1Ca and the axial load F is 0.3C;
2) When the axial load F is not equal to 0.3C, K in the formula is the stiffness value in the table
Model | Nominal diameter | Nominal lead | Screw outer diameter | Screw Bottom diameter | Ball diameter | Cycles | Load rating | Nut Mounting Connection Dimensions | ||||||||||||||
Dynamic load | Statical load | Stiffness | D1(g6) | D2( -0.1 -0.2) | L2 | D3 | B | D4 | D5 | U | V | M | N | N₁ | L₁ | |||||||
d0 | Ph0 | d1 | d2 | Dw | n | Ca kN | Coa kN | Kc N/μm | ||||||||||||||
CTF5016-2.5X2 | 50 | 16 | 50 | 40 | 12.7 | 2.5X2 | 173 | 474.4 | 3552 | 95 | 95 | 25 | 129 | 28 | 112 | 9 | 66 | 70 | Rc1/8 | 48 | 65 | 164 |
CTF5016-2.5X3 | 50 | 16 | 50 | 40 | 12.7 | 2.5X3 | 346.2 | 711.6 | 5229 | 95 | 95 | 25 | 129 | 28 | 112 | 9 | 66 | 70 | Rc1/8 | 48 | 65 | 212 |
CTF6316-2.5X3 | 63 | 16 | 61 | 51.8 | 12.7 | 2.5X3 | 365.2 | 917.8 | 6858 | 105 | 105 | 25 | 139 | 28 | 122 | 9 | 69 | 75 | Rc1/8 | 48 | 64 | 226 |
CTF6320-2.5X2 | 63 | 20 | 61 | 49.6 | 15.875 | 2.5X2 | 273.8 | 802.8 | 4698 | 117 | 117 | 25 | 157 | 32 | 137 | 11 | 76 | 82 | Rc1/8 | 60 | 70 | 205 |
CTF8020-3.5X2 | 80 | 20 | 78 | 66.6 | 15.875 | 3.5X2 | 409.1 | 1383.7 | 7680 | 130 | 130 | 25 | 170 | 32 | 150 | 11 | 83 | 94 | Rc1/8 | 80 | 66 | 241 |
CMF10016-3.5X3 | 100 | 16 | 97 | 88 | 12.7 | 3.5X3 | 473 | 2020.7 | 12878 | 175 | 175 | 60 | 230 | 45 | 205 | 14 | \ | \ | Rc1/8 | 64 | 69.7 | 297 |