SK
SK型开槽式轴向锁紧螺母在功能设计上,将制动能力作为核心考量。其工作原理是借助螺母本体结构所产生的可控弹性变形,使内螺纹牙型面能够均匀且紧密地贴合于配合螺杆的外螺纹表面。通过这种过盈配合与面接触式的锁紧机制,螺母能够在承受强烈振动和冲击载荷的工况下,依然保持稳定可靠的自锁状态,从而产生强劲的轴向制动效果,有效防止连接松动。
⚠️ 此类螺母在强烈振动或动态大载荷下,易因应力松弛和微动磨损导致锁紧效能衰减,故不宜采用。
特征
- 本体材质:DIN 42CrMo4
- 表面处理:发黑
- 调质硬度:HRC28° ~32°
- 螺纹精度:ISO 4H
- 端面偏摆:精车-0.005; 研磨-0.002
| 订购型号 | SK-M12×1.0P | SK-M14×1.5P | SK-M15×1.5P | SK-M16×1.5P | SK-M17×1.0P | SK-M18×1.5P | SK-M20×1.0P | SK-M20×1.5P | SK-M22×1.5P | SK-M24×1.5P | SK-M25×1.5P | SK-M26×1.5P | SK-M27×1.5P | SK-M28×1.5P | SK-M30×1.5P | SK-M32×1.5P | SK-M33×1.5P | SK-M35×1.5P | SK-M36×1.5P | SK-M38×1.5P | SK-M39×1.5P | SK-M40×1.5P | SK-M42×1.5P | SK-M45×1.5P | SK-M48×1.5P | SK-M50×1.5P | SK-M52×1.5P | SK-M55×1.5P | SK-M55×2.0P | SK-M56×1.5P | SK-M58×1.5P | SK-M60×1.5P | SK-M60×2.0P | SK-M62×1.5P | SK-M64×1.5P | SK-M64×2.0P | SK-M65×1.5P | SK-M65×2.0P | SK-M68×2.0P | SK-M70×1.5P | SK-M70×2.0P | SK-M72×1.5P | SK-M72×2.0P | SK-M75×1.5P | SK-M75×2.0P | SK-M80×2.0P | SK-M85×2.0P | SK-M90×2.0P | SK-M95×2.0P | SK-M100×2.0P | SK-M105×2.0P | SK-M110×2.0P | SK-M115×2.0P | SK-M120×2.0P | SK-M125×2.0P | SK-M130×2.0P | SK-M140×2.0P | SK-M140×3.0P | SK-M150×2.0P | SK-M150×3.0P | SK-M160×3.0P | SK-M170×3.0P | SK-M180×3.0P | SK-M190×3.0P | SK-M200×3.0P | SK-M210×3.0P | SK-M220×3.0P | SK-M230×3.0P | SK-M240×3.0P | SK-M250×3.0P | SK-M260×4.0P | SK-M270×4.0P | SK-M280×4.0P | SK-M290×4.0P | SK-M300×4.0P | SK-M320×4.0P |
| 螺纹规格 | M12×1.0P | M14×1.5P | M15×1.5P | M16×1.5P | M17×1.0P | M18×1.5P | M20×1.0P | M20×1.5P | M22×1.5P | M24×1.5P | M25×1.5P | M26×1.5P | M27×1.5P | M28×1.5P | M30×1.5P | M32×1.5P | M33×1.5P | M35×1.5P | M36×1.5P | M38×1.5P | M39×1.5P | M40×1.5P | M42×1.5P | M45×1.5P | M48×1.5P | M50×1.5P | M52×1.5P | M55×1.5P | M55×2.0P | M56×1.5P | M58×1.5P | M60×1.5P | M60×2.0P | M62×1.5P | M64×1.5P | M64×2.0P | M65×1.5P | M65×2.0P | M68×2.0P | M70×1.5P | M70×2.0P | M72×1.5P | M72×2.0P | M75×1.5P | M75×2.0P | M80×2.0P | M85×2.0P | M90×2.0P | M95×2.0P | M100×2.0P | M105×2.0P | M110×2.0P | M115×2.0P | M120×2.0P | M125×2.0P | M130×2.0P | M140×2.0P | M140×3.0P | M150×2.0P | M150×3.0P | M160×3.0P | M170×3.0P | M180×3.0P | M190×3.0P | M200×3.0P | M210×3.0P | M220×3.0P | M230×3.0P | M240×3.0P | M250×3.0P | M260×4.0P | M270×4.0P | M280×4.0P | M290×4.0P | M300×4.0P | M320×4.0P |
| D | 26 | 32 | 33 | 34 | 37 | 38 | 40 | 40 | 42 | 44 | 45 | 45 | 46 | 46 | 48 | 50 | 50 | 53 | 54 | 56 | 56 | 58 | 60 | 68 | 69 | 70 | 72 | 75 | 75 | 75 | 82 | 84 | 84 | 86 | 86 | 86 | 88 | 88 | 93 | 95 | 95 | 97 | 97 | 100 | 100 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 155 | 160 | 165 | 180 | 180 | 190 | 190 | 205 | 215 | 230 | 240 | 245 | 255 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 360 |
| h | 15 | 16 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 34 | 36 | 36 | 36 | 38 | 38 | 38 | 38 | 40 | 40 | 40 | 40 | 40 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 |
| d | 25 | – | 30 | 31 | 34 | 35 | 37 | 37 | 39 | 41 | 42 | 42 | 43 | 43 | 45 | 47 | 47 | 50 | 51 | 53 | 53 | 55 | 57 | 65 | 66 | 67 | 68 | 71 | 71 | 71 | 78 | 80 | 80 | 82 | 84 | 84 | 84 | 84 | 89 | 91 | 91 | 93 | 93 | 96 | 96 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 150 | 155 | 160 | 173 | 173 | 184 | 184 | 199 | 209 | 224 | 234 | 239 | 249 | 254 | 264 | 274 | 284 | 294 | 300 | 310 | 320 | 330 | 330 |
| n-Øb | 3-Ø3 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø4 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 4-Ø5 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø6 | 6-Ø7 | 6-Ø7 | 6-Ø7 | 6-Ø7 | 6-Ø7 | 6-Ø7 | 6-Ø7 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 6-Ø8 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø10 | 8-Ø12 | 8-Ø12 | 8-Ø12 | 8-Ø12 | 8-Ø12 | 8-Ø12 |
| P.C.D. c | 19 | 22.5 | 24 | 24 | 26 | 28 | 30 | 30 | 32 | 34 | 35 | 35 | 37 | 37 | 39 | 41 | 41 | 44 | 44 | 47 | 47 | 49 | 51 | 57 | 58 | 60 | 62 | 65 | 65 | 65 | 70 | 72 | 72 | 75 | 75 | 75 | 77 | 80 | 82 | 82 | 82 | 84 | 84 | 87 | 87 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 136 | 140 | 148 | 160 | 160 | 170 | 170 | 178 | 193 | 205 | 215 | 223 | 232 | 240 | 250 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 320 |
| n-M×L | 3-M3×10 | 3-M4×10 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×12 | 4-M4×14 | 4-M4×14 | 4-M4×14 | 4-M4×14 | 4-M4×14 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 4-M4×16 | 6-M4×18 | 6-M4×18 | 6-M4×18 | 6-M4×18 | 6-M4×18 | 6-M4×18 | 6-M4×18 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M5×20 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×22 | 6-M6×25 | 6-M6×25 | 6-M6×25 | 8-M6×25 | 8-M6×25 | 8-M6×25 | 8-M6×25 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M8×30 | 8-M10×30 | 8-M10×30 | 8-M10×30 | 8-M10×30 | 8-M10×30 | 8-M10×30 |
| 螺钉扭矩[Nm] | 2.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 35 | 35 | 35 | 35 | 35 | 35 |
| 静态轴向载荷[kN] | 39 | 51 | 57 | 65 | 75 | 75 | 87 | 84 | 96 | 105 | 140 | 147 | 153 | 153 | 171 | 192 | 192 | 198 | 198 | 198 | 225 | 198 | 198 | 252 | 282 | 282 | 288 | 288 | 288 | 288 | 372 | 394 | 394 | 409 | 409 | 409 | 438 | 438 | 705 | 515 | 515 | 520 | 520 | 525 | 525 | 530 | 540 | 571 | 600 | 618 | 656 | 768 | 768 | 880 | 860 | 900 | 930 | 930 | 940 | 950 | 1020 | 1075 | 1200 | 1250 | 1390 | 1500 | 1685 | 1720 | 1875 | 1980 | 2050 | 2100 | 2130 | 2250 | 2325 | 2325 |
| 重量[kg] | – | – | 0.08 | 0.08 | 0.096 | 0.097 | 0.103 | 0.104 | 0.11 | 0.177 | 0.13 | 0.125 | 0.138 | 0.13 | 0.136 | 0.145 | 0.156 | 0.165 | 0.16 | 0.18 | 0.192 | 0.18 | 0.175 | 0.266 | 0.295 | 0.288 | 0.295 | 0.307 | 0.307 | 0.3 | 0.42 | 0.436 | 0.441 | 0.493 | 0.49 | 0.492 | 0.476 | 0.478 | 0.554 | 0.543 | 0.573 | 0.59 | 0.592 | 0.613 | 0.614 | 0.93 | 0.9 | 1.01 | 1.05 | 1.103 | 1.205 | 1.183 | 1.393 | 1.82 | 1.873 | 1.949 | 2.47 | 2.47 | 2.8 | 2.811 | 3.55 | 3.7 | 4.415 | 4.603 | 4.242 | 4.361 | 4.67 | 5.012 | 5.341 | 5.504 | 5.752 | 5.95 | 6.153 | 6.407 | 6.51 | 7.1 |
备注:
- 所有尺寸单位均为毫米(mm)。
- 可定制标准、非标及特殊螺母,规格涵盖 M5 至 M1000,并提供多种材质选择。
- 如需左旋螺纹,请在型号及螺距后标注“L”。(示例:SK-25×1.5P-L)
- 为避免锁紧螺母供应短缺,请提前下单。
- 技术参数如有变更,恕不另行通知。





