JMS Automation

A linear guide is a machine element that utilizes bearings, which were developed for rotary motion, in order to move heavy objects easily in a straight line. It is referred to as a “recirculating linear ball bearing” by ISO and JIS, and “linear guideway” by the Japan Machine Tool Builders' Association.Choices for linear bearing styles include air, flat ball cage, ball spline, ball bushing, needle roller cage, cam follower, crossed roller, guide wheel, hydrostatic, plain or journal, linear motion guide, flat roller cage, and linear roller.

Obtain the value of static safety factor from the basic static load rating and the maximum applied load. Average the applied load fluctuating during operation to convert the value to an average load. Calculate the the distance traveled based on the nominal life equation. Calculate the applied load on the LM block.A linear guide is a machine element that utilizes bearings, which were developed for rotary motion, in order to move heavy objects easily in a straight line. It is referred to as a “recirculating linear ball bearing” by ISO and JIS, and “linear guideway” by the Japan Machine Tool Builders' Association.

Choices for linear bearing styles include air, flat ball cage, ball spline, ball bushing, needle roller cage, cam follower, crossed roller, guide wheel, hydrostatic, plain or journal, linear motion guide, flat roller cage, and linear roller.The linear guides are used as a guide to move a machine table in the direction of its X or Y axis accurately. Semiconductor manufacturing equipment or inspection apparatus that requires high precision in its positioning is one of their good application examples.

(1) Self-aligning capabilityBy design, the circular-arc groove has contact points at 45 degrees. HG series can absorb most installation errorsdue to surface irregularities and provide smooth linear motion through the elastic deformation of rolling elementsand the shift of contact points. Self-aligning capability, high accuracy and smooth operation can be obtained with aneasy installation.(2) InterchangeabilityBecause of precision dimensional control, the dimensional tolerance of HG series can be kept in a reasonable range,which means that any blocks and any rails in a specific series can be used together while maintaining dimensionaltolerance. And a retainer is added to prevent the balls from falling out when the blocks are removed from the rail.(3) High rigidity in all four directionsBecause of the four-row design, the HG series linear guideway has equal load ratings in the radial, reverse radialand lateral directions. Furthermore, the circular-arc groove provides a wide-contact width between the balls and thegroove raceway allowing large permissible loads and high rigidity.

Choices for linear bearing styles include air, flat ball cage, ball spline, ball bushing, needle roller cage, cam follower, crossed roller, guide wheel, hydrostatic, plain or journal, linear motion guide, flat roller cage, and linear roller.The linear guides are used as a guide to move a machine table in the direction of its X or Y axis accurately. Semiconductor manufacturing equipment or inspection apparatus that requires high precision in its positioning is one of their good application examples.