Core Components for Quiet and Precision Transmission of Linear Guide Rails Suitable for Heavy-Duty Machine Tools
Linear guides and sliders are custom-designed for heavy-duty CNC machine tools, precisely adapting to key components such as the feed system, table positioning, and spindle box guidance of heavy-duty CNC machining centers and large CNC milling machines, easily handling the high-load transmission demands of heavy-duty cutting scenarios. Utilizing a reinforced four-row steel ball load-bearing structure design, they possess superior rigidity and four-directional load-bearing capacity, stably withstanding radial pressure, impact loads, and overturning torques during heavy workpiece machining, eliminating movement deviation and ensuring transmission stability.
The core employs precision steel ball separation and an optimized lubrication system, achieving ultra-low friction operation even under high-load conditions, combining quiet operation with excellent wear resistance, suitable for the long-term continuous operation requirements of heavy-duty machine tools. Combined with high-strength alloy steel and precise machining processes, they ensure μm-level repeatability positioning accuracy, guaranteeing dimensional consistency in the machining of heavy-duty precision parts. Having passed stringent quality certifications, they are easy to install and highly interchangeable, providing efficient and reliable core transmission support for heavy-duty CNC equipment.
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| Type | size | Slider sizetmml | ||||||||||||||||
| mm | ||||||||||||||||||
| H H, | N | W | B | B₁ | C | L | t | K | K₂ | 6 | M | T | T | T | H₂ | H₂ | ||
| QHW15CC | 24 | 4 | 16 | 47 | 38 | 4.5 | 30 | 39.4 | 614 | 8 | 5 | 5.3 | M5 | 6 | 8.9 | 6.95 | 3.95 | 4.2 |
| QHW20cc | 30 | 46 | 21.5 | 63 | 53 | 5 | 40 | 50,5 | 76,7 | 9.75 | 6 | 12 | M6 | 8 | 10 | 9.5 | 6 | 6 |
| QHW20HC | 65.2 | 914 | 17.1 | |||||||||||||||
| QHW25cC | 36 | 55 | 23.5 | 70 | 57 | 6.5 | 45 | 58 | 83,4 | 10.7 | 6 | 12 | M8 | 8 | 14 | 10 | 6 | 5 |
| QHW25HC | 78.6 | 104 | 21 | |||||||||||||||
| QHW3occ | 42 | 6 | 31 | 90 | 72 | 9 | 52 | 70 | 974 | 13.5 | 6.25 | 12 | M10 | 8.5 | 16 | 10 | 6.5 | 6 |
| QHW30HC | 93 | 120,4 | 25.75 | |||||||||||||||
| QHW35cc | 48 | 7.5 | 33 | 100 | 82 | 9 | 62 | 80 | 113.6 | 13 | 7.5 | 12 | M10 | 10.1 | 18 | 13 | 8.5 | 6.5 |
| QHW35HC | 105.8 | 139.4 | 259 | |||||||||||||||
| QHW45CC | 60 | 92 | 37.5 | 120 | 100 | 10 | 80 | 97 | 1394 | 13 | 10 | 2.9 | M12 | 5.1 | 22 | 15 | 8.5 | 10 |
| QHW45HC | 28,8 | 171,2 | 28.9 | |||||||||||||||
| Type | Rail size{mml | Guide rail fixing bolt size | Basic | Basic | Allowable static moment | weight | |||||||||
| Dynamic | Static | ||||||||||||||
| Rated Load | Rated Load | M. | M, | M, | Slide | Rail | |||||||||
| W. | H₂ | D | h | d | P | E | Imml | CIkN] | C₂lkNI | kN-m | kN-m | kN-m | kg | kg/m | |
| QHW15CC | 15 | 5 | 7.5 | 5.34 | 0.5 | 60 | 20 | M4x16 | 17.94 | 9.86 | 0.1 | 0.08 | 0.08 | 0.17 | 0.45 |
| QHW20cc | 20 | 17.5 | 9.5 | 8.5 | 6 | 60 | 20 | M5x16 | 3,526 | 3,386 | 26 | 19 | 19 | 0.4 | |
| QHW20HC | 4,252 | 4,231 | 3 | 27 | 27 | 0.52 | 2.21 | ||||||||
| QHW25cC | 23 | 22 | 11 | 9 | 7 | 60 | 20 | M6x20 | 419 | 4,875 | 39 | 31 | 310.59 | 3.21 | |
| QHW25HC | 5,061 | 6,094 | 5 | 45 | 45 | 0.8 | |||||||||
| QHW3occ | 28 | 26 | 14 | 12 | 9 | 80 | 20 | M8x25 | 5,826 | 6,634 | 6 | 5 | 5 | 1.09 | 4.47 |
| QHW30HC | 7,032 | 8,845 | 83 | 89 | 0.89 | 144 | |||||||||
| QHW35cc | 34 | 29 | 14 | 12 | 9 | 80 | 30 | M8x25 | 7,889 | 8,666 | 107 | 76 | 76 | 1.56 | 6.3 |
| QHW35HC | 9,523 | 11,555 | 145 | 133 | 133 | 2.06 | |||||||||
| QHW45CC | 45 | 38 | 20 | 17 | 14 | 105 | 22.5 | M12x35 | 119,4 | 13,542 | 183 | 138 | 1.38 | 279 | 10.41 |
| QHW45HC | 144,13 | 18,056 | 247 | 241 | 241 | 3.69 | |||||||||
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| Type | Component size | Slider sizeImml | ||||||||||||||
| Imml | ||||||||||||||||
| H | H | N | W | B | B, | C | L | L | K | K | 0 | Mx | T | H₂ | H₂ | |
| QHH15CA | 28 | 4 | 9.5 | 36 | 26 | 4 | 26 | 394 | 614 | 10 | 5 | 5.3 | M6×5 | 6 | 7.95 | 8.2 |
| QHH20CA | 30 | 4.6 | 12 | 44 | 32 | 6 | 3650,5 | 767 | 11.75 | 6 | 12 | M5x6 | 8 | 6 | 6 | |
| QHH20HA | 50652 | 9L4 | 121 | |||||||||||||
| QHH25CA | 40 | 55 | 125 | 48 | 35 | 6.5 | 35 | 58 | 834 | 15.7 | 6 | 12 | M6x8 | 8 | 10 | 9 |
| QHH25HA | 50 | 78.6 | 104 | 18.5 | ||||||||||||
| QHH30CA | 45 | 6 | 16 | 60 | 40 | 10 | 40 | 70 | 974 | 19.5 | 6.25 | 12 | M8x10 | 8.5 | 9.5 | 9 |
| QHH30HA | 60 | 93 | 120,4 | 21.75 | ||||||||||||
| QHH35CA | 55 | 7.5 | 18 | 70 | 50 | 10 | 50 | 80 | 1136 | 19 | 7.5 | 12 | MBx12 | 10.2 | 15.5 | 13.5 |
| QHH35HA | 72 | 105.8 | ||||||||||||||
| 1394 | 20.9 | |||||||||||||||
| QHH45CA | 70 | 92 | 20.5 | 86 | 60 | 13 | 60 | 97 | 1394 | 23 | 10 | 12.9 | M10x17 | 16 | 18.5 | 20 |
| QHH45HA | 80 | 128.8 | 1712 | 29.09 | ||||||||||||
| Type | Rail size{mml | Guide rail fixing bolt size | Basic | Basic | Allowable static moment | weight | |||||||||
| Dynamic | Static | ||||||||||||||
| Rated Load | Rated Load | ||||||||||||||
| W. | H | D | h | d | P | E | Imm | CIKN] | C₄IKN | M | M | M, | Silde | Rail | |
| kN-m | kN-m | kN-m | kg | kg/m | |||||||||||
| QHH15CA | 15 | 15 | 75 | 5.3 | 4.5 | 60 | 20 | M4x16 | 17.94 | 986 | 0.1 | 0.08 | 0.08 | 0.18 | 0.45 |
| QHH20CA | 20 | 17.5 | 9.5 | 8.5 | 6 | 60 | 20 | M5x16 | 3,526 | 3,386 | 26 | 19 | 19 | 0.29 | 2.21 |
| QHH20HA | 4252 | 4231 | 31 | 27 | 27 | 0.38 | |||||||||
| QHH25CA | 23 | 22 | 11 | 9 | 7 | 60 | 20 | M&x20 | 419 | 4,875 | 39 | 31 | 310.5 | 3.21 | |
| QHH25HA | 5,061 | 6,094 | 50 | 45 | 450.68 | ||||||||||
| QHH30CA | 28 | 26 | 14 | 12 | 9 | 80 | 20 | M8x25 | 5,826 | 6,634 | 60 | 5 | 500.87 | 4.47 | |
| QHH30HA | 7,032 | 8,845 | 83 | 89 | 89 | 1.15 | |||||||||
| QHH35CA | 34 | 29 | 12 | 98 | 80 | 20 | M8x25 | 7,889 | 8,666 | 107 | 76 | 0.76144 | 6.3 | ||
| QHH35HA | 4 | ||||||||||||||
| 14 | 9,523 | 11,555 | 145 | 133 | 1,331.90 | ||||||||||
| QHH45CA | 45 | 38 | 20 | 17 | 14 | 105 | 22.5 | M12×35 | 119,4 | 13,542 | 183 | 138 | 1.38272 | ||
| QHH45HA | 44,13 | 18,056 | 247 | 241 | 243.59 | 10.41 | |||||||||