WT-85 Motorized Precision Goniometer

Compact, with Aperture

Rotation range 10°
Repeatability to 8.7 µrad
Load capacity to 2 kg
Option: Direct position measurement with angle measuring system
Combination with WT-100 with shared pivot point

65409200-0000, WT-85 goniometer with stepper motor

65409100, WT-85 goniometer, dimensions in mm. Note that a comma is used in the drawings instead of a decimal point.

65409101, WT-85 goniometer with DC motor and incremental angle measuring system, dimensions in mm. Note that a comma is used in the drawings instead of a decimal point.

65409200-0000, WT-85 goniometer with stepper motor, dimensions in mm. Note that a comma is used in the drawings instead of a decimal point.

65409201-0001, WT-85 goniometer with stepper motor and incremental angle measuring system, dimensions in mm

Direction of the axes and torques for goniometer stages

Drive with high gear ratio for precision positioning. Two limit switches. Large clear aperture with 30 mm diameter. Can be combined with WT-100 for 2-axis motion with shared pivot point.

DC servo motor with rotary encoder on the motor shaft
Stepper motor
Option: High-resolution optical angle measuring system for direct position measurement
Vacuum versions available on request

Precision microassembly. Metrology. Photonics. Optical alignment.

Download datasheet specifications quote / order

Datasheet

Version / Date

2020-09-22

pdf - 2 MB

Version / Date

2020-09-22

pdf - 2 MB

Version / Date

2021-01-15

pdf - 1 MB

Download

	65409100	65409101	65409200-0000	65409201-0001	Unit	Tolerance
	DC motor with rotary encoder	DC motor with angle measuring system and rotary encoder	Stepper motor	Stepper motor and angle measuring system
Active axes	θ_X	θ_X	θ_X	θ_X

Motion and positioning	65409100	65409101	65409200-0000	65409201-0001	Unit	Tolerance
Rotation range	10	10	10	10	°
Integrated sensor	Rotary encoder	Incremental angle measuring system Rotary encoder	–	Incremental angle measuring system
Sensor signal rotary encoder	AB quadrature, RS-422	AB quadrature, RS-422	–	–
Sensor signal angle measuring system		AB quadrature, RS-422	–	Sin/cos, 1 V peak-peak
Sensor signal period angle measuring system	–	211	–	211	µrad
Sensor resolution rotary encoder	2000	2000	–	–	Counts/rev.
Design resolution	4.65	2.11	46.5 (full step)	2.11	µrad
Minimum incremental motion	17.5	2	17.5	2	µrad	Typ.
Unidirectional repeatability	69.8	8.7	69.8	8.7	µrad	Typ.
Bidirectional repeatability	±69.8	±8.7	±69.8	±8.7	µrad	Typ.
Wobble	±125	±125	±125	±125	µrad	Typ.
Angular velocity	15	15	7	7	°/s	Max.
Gap from rotational axis to surface of the motion platform	80.5	80.5	80.5	80.5	mm
Limit switches	2 × mechanical, N/C contact, to 30V, NPN	2 × mechanical, N/C contact, to 30V, NPN	2 × mechanical, N/C contact, to 30V, NPN	2 × mechanical, N/C contact, to 30V, NPN

Mechanical properties	65409100	65409101	65409200-0000	65409201-0001	Unit	Tolerance
Drive screw type	Ball screw	Ball screw	Ball screw	Ball screw
Drive screw pitch	1	1	1	1	mm
Guide type	Ball bearings	Ball bearings	Ball bearings	Ball bearings
Gear ratio	675:1	675:1	675:1	675:1
Load capacity	20	20	20	20	N	Max.
Torque M_x, power on	0.75	0.75	0.75	0.75	N·m	Max.
Permissible lateral force	15	15	15	15	N	Max.
Permissible torque in θ_y, θ_z	4	4	4	4	N·m	Max.

Drive properties	65409100	65409101	65409200-0000	65409201-0001	Unit	Tolerance
Motor type	DC motor	DC motor	2-phase stepper motor	2-phase stepper motor
Operating voltage, nominal	24	24	24	24	V	Nom.
Operating voltage, max.	48	48	48	48	V	Max.
Step resolution	–	–	200	200	Full steps/rev.

Miscellaneous	65409100	65409101	65409200-0000	65409201-0001	Unit	Tolerance
Operating temperature range	5 to 40	5 to 40	5 to 40	5 to 40	°C
Material	Aluminum, anodized	Aluminum, anodized	Aluminum, anodized	Aluminum, anodized
Mass	0.9	0.9	0.9	1.1	kg	±5%
Connector	HD D-sub 15 (m) (motor/sensor)	HD D-sub 15 (m) (motor) D-sub 9 (m) (sensor)	HD D-sub 15 (m)	HD D-sub 15 (m) (motor) D-sub 9 (m) (sensor)
Recommended controllers/drivers	C-863 (single axis) C-884 (up to 6 axes) C-885 with C-863.20C885 (to 40 axes) ACS modular controller	C-863 (single axis) C-884 (up to 6 axes) C-885 with C-863.20C885 (to 40 axes) ACS modular controller	C-663.12 (single axis) SMC Hydra (double axis) C-885 with C-663.12C885 (up to 20 axes) ACS modular controller	C-663.12 (single axis) SMC Hydra (double axis) C-885 with C-663.12C885 (up to 20 axes) ACS modular controller

Connecting cables for motor and sensor are not in the scope of delivery and must be ordered separately.

Download datasheet downloads quote / order

Datasheet

Version / Date

2020-09-22

pdf - 2 MB

Version / Date

2020-09-22

pdf - 2 MB

Version / Date

2021-01-15

pdf - 1 MB

Download

Documentation

WT-85 Goniometer

Version / Date

2016-08-11

pdf - 701 KB

Version / Date

2016-08-11

pdf - 722 KB

3D Models

zip - 9 MB

quote / order

Ask for a free quote on quantities required, prices, and lead times or describe your desired modification.

65409100

WT-85 goniometer stage, 85 mm width, DC motor, ±5° rotation range, clear aperture 30 mm diameter, mechanical limit switches

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65409101

WT-85 goniometer stage, 85 mm width, DC motor, ±5° rotation range, angle measuring system with A/B quadrature signal transmission, clear aperture 30 mm diameter, mechanical limit switches

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65409200-0000

WT-85 goniometer stage, 85 mm width, stepper motor, ±5° rotation range, clear aperture 30 mm diameter, mechanical limit switches

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65409201-0001

WT-85 goniometer stage, 85 mm width, stepper motor, ±5° rotation range, angle measuring system with sin/cos signal transmission, clear aperture 30 mm diameter, mechanical limit switches

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