Linear Technical

SQ-II ZST Technical Description

Two parallel guide shafts (3) and the guide profile (1) form the main body of the profile linear unit SQ-II ZST.
A rotating movement, directly introduced onto the guide table (13) through a pinion (15), is transformed into a linear positioning movement of the guide table.
A wiper contained in the guide profile lubricate the rack and pinion.

1.	guide profile
2.	guide shaft housing profile
3.	guide shaft
4.	roller cover
5.	roller
6.	guide shaft lubrication
7.	felt wheel support
8.	felt wheel
9.	guide table stopper
10.	cover
11.	rack
12.	cover
13.	guide table
14.	motor adaptor plate
15.	pinion

Rack

Material: Steel, C45K
Module: 1.5
Width 17mm

Pinion

Material: Steel, C45
Module: 1.5

Guide Profile

Profile from the assembly systems, clear anodized. The guide shafts are fixed onto the guide profile by a shaft housing.

Guide Shafts

Heat-treated steel, inductively hardened. Surface, hard-chrome HRC 62

Bearing

Guide table: 4 sealed rollers (corresponds to a double row angular contact bearing)

Fixation of the Linear Unit

Occurs through slot stones set into the guide profile.

Rack and Pinion Drive Positioning Accuracy


Type of Drive	Width Rack+Pinion	Module	Pitch CircleØ Spur Gear	Number of Teeth	Positioning Accurace
SQ-II ZST 40	17	1.5	45	30	±0.1 mm/300 mm travel
SQ-II ZST 40x80	17	1.5	45	30	±0.1 mm/300 mm travel
SQ-II ZST 50	17	1.5	52.5	35	±0.1 mm/300 mm travel
SQ-II ZST 50x100	17	1.5	52.5	35	±0.1 mm/300 mm travel
SQ-II ZST 60	17	1.5	52.5	35	±0.1 mm/300 mm travel
SQ-II ZST 60x120	17	1.5	52.5	35	±0.1 mm/300 mm travel
SQ-II ZST 80	17	1.5	52.5	35	±0.1 mm/300 mm travel
SQ-II ZST 80x160	17	1.5	52.5	35	±0.1 mm/300 mm travel

Speed


Type	Maximum Travel Speed
SQ-II ZST	5 m/2

Load Data*

F	force	[N]
M	moment	[Nm]
I	geom. moment of inertia	[cm⁴]

	Fx	Fy	Fz	Mx	My	Mz	Iy	Iz
Type	Depends on the motor on request
SQ-II ZST 40		1020	1020	23	43	43	11.3	11.3
SQ-II ZST 40x80		1020	1020	23	43	43	19.4	79.0
SQ-II ZST 50		1020	1020	28	64	64	29.1	29.1
SQ-II ZST 50x100		1020	1020	28	64	64	43.9	180.8
SQ-II ZST 60		2550	2550	99	171	171	51.2	51.2
SQ-II ZST 60x120		2550	2550	99	171	171	94.7	372.3
SQ-II ZST 80		2550	2550	124	201	201	155.3	155.3
SQ-II ZST 80x160		2550	2550	124	201	201	292.4	1090

*Referring to the guide table (guide element deflection f=0.5mm, static end elements supported).



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