Headstock balance



The ball screw motors must continuously overcome gravity as the headstock moves on the Y-axis. Our goal is to minimize this force in order to increase the efficiency and accuracy of the control of the vertical axis motion.


On TOS Varnsdorf machines, the weight of the headstock is balanced (depending on the type of machine) by means of counterweights inside the stand or by means of a hydromechanical system.

These systems reduce the feed forces required to control the axis and minimize the power consumption when the axis is stopped in position. By balancing system, without introducing additional forces into the frame and guide, we significantly reduce wear on the ball screws on the Y-axis.


  • Lower required feed forces for axis movement (especially when moving upwards)
  • Minimal energy consumption during positional binding
  • Extended lifetime of mechanical parts of the guides and vertical axis drive

TOS Varnsdorf a.s.

Říční 1774
Varnsdorf 407 47
Czech Republic

Id: 27327850
VAT Id: CZ 27327850

Phone: +420 412 351 111
Fax: +420 412 351 490
email: info@tosvarnsdorf.cz

GPS: 50°53’21.795 N
14°37’24.579 E

Sales net


Guarantee Repairs
e-mail: service@tosvarnsdorf.cz
Phone: +420 412 351 299

Post-Guarantee Repairs and Services
e-mail: sale-service@tosvarnsdorf.cz
Phone: +420 412 351 230

Spare Parts
e-mail: spare-parts@tosvarnsdorf.cz
Phone: +420 412 351 234

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