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Text version of the page
| Linear Guideways General Information | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1-2 Selecting Linear Guideways | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Identify the condition | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Selection of series O HG series - Grinding, milling, and drilling machine, lathe, machine center O EG series - Automatic equipment, high speed transfer device, semiconductor equipment, wood cutting machine, precision measure equipment O MGN/MGW series - Miniature device, semiconductor equipment, medical equipment O RG series - CNC machining centers, Heavy duty cutting machines, CNC grinding machines, Injection molding machines, Electric discharge machines, Wire cutting machines, Plano millers O QE/QH series - precision measure equipment, semiconductor equipment, Automatic equipment, laser marking machine, can be widely applied in high-tech industry required high speed, low noise, low dust generation. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Selection of accuracy O Classes : C, H, P, SP, UP depends on the accuracy of equipment | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Determines the size & the number of blocks O Dynamic load condition O If accompanied with a ballscrew, the size should be similar to the diameter of ballscrew. For example, if the diameter of the ballscrew is 35mm, then the model size of linear guideway should be HG35 Calculate the max. load of block O Make reference to load calculation examples, and calculate the max load. O Be sure that the static safety factor of selected guideway is larger than the rated static safety factor Choosing preload O Depends on the stiffness requirement and accuracy of mounting surface Identify stiffness O Calculate the deformation (8) by using the table of stiffness values, choosing heavier preload and larger size linear guideways to enhance the stiffness Calculating service life O Calculate the life time requirement by using the moving speed and frequency. O Make reference to the life calculation example | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| t | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Selection of lubrication O Grease supplied by grease nipple O Oil supplied by piping joint | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Completion of selection | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||