LM block and rail are most commonly used in different machines where linear movement is required. it comes in different precision grade as per application @lm guideways @linear movement #ballscrew @TITANSofCNC @cnc machines
Pitch error is a error in ballscrew position due to parallelism error, accuracy error in ballscrew or stretching of ballscrew Where backlash is due to looseness in bearing or ballscrew
