SiRON M391 Series Precision Ball Screw

About selection

Selection of ball screw (pair)

Selection example M391-w3210l-3-p50111/900 ×800-V1-R is part of the M391 ball screw (pair) series. The ball nut is a single nut with a nominal diameter of 32mm and a lead of 10mm. It features a left hand thread, with 3 ball turns inside the nut and a precision of P5. The shape of the left shaft end of the ball screw is 01, and that of the right shaft end is 11. The total length of the lead screw is 900mm, and  the thread length of the lead screw is 800mm. It is lightly pre-tightened and made into a precision lead screw of grade.

Selection of ball nuts for individual supply

Selection example: M391-WFU3210L-1-P5 is the M391 ball nut series, single nut, DIN specification, nominal diameter 32mm, lead 10mm, left-hand thread,  the number of ball turns inside the nut is 3, and the precision is P5.

Selection of ball screws

Selection example M391-3210l-p50111/900 ×800-V1-R is the M391 ball screw series, with a nominal diameter of 32mm, a lead of 10mm, left-hand thread, precision of P5, the shape of the left shaft end of  the screw is 01, the shape of the right shaft end is 11, the total length of the screw is 900mm, and the thread length of the screw is 800mm. Remanufactured precision lead screw. 

*When ordering lead screws separately, only the end of the lead screw shaft needs to be annealed