Precision Ball Screws

Precision Ball Screws
Precision Miniature Ball Screws
Ball Screws for General Industrial Use
Ball Screw Supporting Units
High Load Capacity Ball Screws HN Series -
Precision Ball Screws FB Series -
Precision Ball Screws with Retainers -
Ultra Heavy Duty Ball Screws -

Precision Ball Screws

Features

High Efficiency and Reversibility
Compared with the sliding friction of the conventional Acme screw, TSUBAKI Precision Ball Screws have an efficiency of over 90% because of the rolling contact between the screw and nut.
No Stick Slip
Substituting a rolling contact for the sliding metal to metal contact minimizes starting friction, and eliminates the stick slip tendency where a slow, smooth linear motion is required.
Precise Accuracy
All TSUBAKI Precision Ball Screws are ground, assembled and inspected with the most modern and efficient facilities at a temperature controlled plant.
Wear and Life
The balls rolling in the hardened grooves reduce wear to a minimum. TSUBAKI Precision Ball Screws, therefore, last for years without reducing the original accuracy.

Type of Nut

T type nut
A return-tube is setup on the cut surface of the nut, so that the return-tube does not project from outside of the nut.
N type nut
The nut thickness is kept to the thinnest possible so that the return tube projects from the outside diameter of the nut. This nut, of a smaller outside diameter makes it possible to use a screw shaft of bigger diameter in the same space.

Z type nut
A return-cap recirculation system makes use of the advantages of T-type and N-type nuts. This type of internal recirculation reduces the diametric size to a minimum and avoids unnecessary projections.
E type nut
TSUBAKI's unique recirculation system can be used with an extra lead for high speed applications. This system allows high speed operation without changing of DN value by using a high lead of twice the shaft diameter.

I type nut
A prelading condition can be obtained by a single nut as same as a double nut and is adjusted by changing the pitch of each of the circuits in the nut.

© 2000 Tsubaki Nakashima Co., Ltd. All Rights Reserved.

Precision Ball Screws Features
High Efficiency and Reversibility Compared with the sliding friction of the conventional Acme screw, TSUBAKI Precision Ball Screws have an efficiency of over 90% because of the rolling contact between the screw and nut. No Stick Slip Substituting a rolling contact for the sliding metal to metal contact minimizes starting friction, and eliminates the stick slip tendency where a slow, smooth linear motion is required.		Precise Accuracy All TSUBAKI Precision Ball Screws are ground, assembled and inspected with the most modern and efficient facilities at a temperature controlled plant. Wear and Life The balls rolling in the hardened grooves reduce wear to a minimum. TSUBAKI Precision Ball Screws, therefore, last for years without reducing the original accuracy.

Type of Nut
T type nut A return-tube is setup on the cut surface of the nut, so that the return-tube does not project from outside of the nut.		N type nut The nut thickness is kept to the thinnest possible so that the return tube projects from the outside diameter of the nut. This nut, of a smaller outside diameter makes it possible to use a screw shaft of bigger diameter in the same space.

Z type nut A return-cap recirculation system makes use of the advantages of T-type and N-type nuts. This type of internal recirculation reduces the diametric size to a minimum and avoids unnecessary projections.		E type nut TSUBAKI's unique recirculation system can be used with an extra lead for high speed applications. This system allows high speed operation without changing of DN value by using a high lead of twice the shaft diameter.

I type nut A prelading condition can be obtained by a single nut as same as a double nut and is adjusted by changing the pitch of each of the circuits in the nut.



© 2000 Tsubaki Nakashima Co., Ltd. All Rights Reserved.