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Manual 360° Rotation Stage with Two Hard Stops


  • Continuous 360° Rotation with Two User-Positionable Hard Stops
  • Ø2" Mounting Platform with an Array of Tapped Holes
  • Precise, Submicron Repeatability (<15 µrad)

QRP02

Application Idea

Ø1" Mirror Mounted in a
FMP1 Lens Mount on a
TR2 Post, PH1.5 Post
Holder, and QRP02
Rotation Stage. Light
can be Reflected in Two
Repeatable Directions

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Features

  • 360° Rotation with Two User-Positionable Hard Stops
  • Quick, Highly Repeatable Rotation of an Optic or Optical Device
  • Load Capacity: 75 lb (34 kg) with Stage Mounted on a Horizontal Surface

The QRP02(/M) Rotation Stage offers 360° of continuous manual rotation with two user-positionable hard stops. The first hard stop can be positioned to coincide with any of the eight 4-40-tapped holes located at 45° intervals in the base. The stop's position is set using a threaded alignment pin that is secured with a 5/64" (2 mm) hex key. The second hard stop is an alignment pin attached to a rotating section under the mounting platform. It can be positioned anywhere along the 360° range of motion and locked into place by tightening the setscrew to the left of the dowel using a 5/64" (2 mm) hex key.

The rotation platform is secured to the hard stops by a double-sided magnetic tab and can be moved between them with <15 µrad repeatability. The stage's base has an engraved scale indicating the angular position of the alignment pins and mounting platform. The scale is engraved in 5° intervals, marked every 30° by a number directly over its corresponding tick mark.

The Ø2" (Ø50.8 mm) mounting platform includes an array of 1/4"-20 (M6), 8-32 (M4), and 6-32 (M4) tapped holes for mounting optomechanical components, including our PM3 and PM4 clamping arms. The base is equipped with 1/4" (M6) counterbores on 2" (50 mm) centers to enable optical table or breadboard mounting. Additionally, the rotation mount's base can be mounted at any angle of rotation using the side relief cuts and our CL6 or CL8 clamps, allowing for the arbitrary positioning of both hard stops (see photo below, right).

This stage offers a 75 lb (34 kg) load capacity when mounted on a horizontal surface. When mounted on a vertical surface, a torque up to 2.5 lb·ft (3.4 N·m) can be applied about an axis orthogonal to the rotation axis. In testing, a 20 lb (9.1 kg) load was placed 1.5" (38 mm) from the mounting surface, at the center of the platform. If the load also applies a torque about the rotational axis, the magnetic tab must be secured above an alignment pin instead of below.

QRP02 Hard Stops
Click to Enlarge
Hard Stop 1 can be Screwed into One of Eight Holes at Various Locations on the Base, while Hard Stop 2 is Continuously Adjustable Using the Setscrew on the Lower Rotating Section
QRP01 Table Clamp Mounting
Click to Enlarge
The QRP02(/M) can be Mounted to an Optical Table or Breadboard at an Arbitrary Angle, Using our CL6 (Shown) or CL8 Clamping Arms, for Full Control of the Position of the First Stop
Specifications
Item # QRP02 QRP02/M
Rotation Range 360°, Continuous
Hard Stop 1 Locationsa 20°, 25°, 65°, 70°, 110°, 115°, 155°, 160°, 200°, 205°,
245°, 250°, 290°, 295°, 335°, or 340° on Engraved Scale
Hard Stop 2 Location Continuously Variable
Repeatability <15 µrad
Wobble <0.002" (0.051 mm)
Horizontal Load Capacityb 75 lb (34 kg)
Vertical Mounting Torque Capacityc 2.5 lb·ft (3.4 N·m)
Platform Dimension Ø2" (Ø50.8 mm), Circular
Platform Mounting Holes 1/4"-20 (5 Places)
8-32 (4 Places)
6-32 (4 Places)
M6 x 1.0 (5 Places)
M4 x 0.7 (8 Places)
Base Dimensions 2.55" x 2.55" 64.8 mm x 64.8 mm
Base Mounting Holes 1/4" Counterbore (4 Places)
on 2" Centers
M6 Counterbore (4 Places)
on 50 mm Centers
Eight 8-32 Threaded Holes for Positioning the Threaded Dowel Pin Hard Stop
  • The magnetic tab on the rotation platform can contact either side of the pin, allowing for a hard stop at one of 16 positions using the 8 holes.
  • The load capacity when the stage's base is mounted on a horizontal surface, with the load centered on the axis of rotation.
  • The maximum torque about an axis orthogonal to the rotation axis, commonly encountered when the stage's base is mounted on a vertical surface. In testing, a 20 lb (9.1 kg) load was placed 1.5" (38 mm) from the mounting surface at the center of the platform. If the load also applies a torque about the rotational axis, the magnetic tab must be secured above an alignment pin instead of below.

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Rotation Mount and Stage Selection Guide

Thorlabs offers a wide variety of manual and motorized rotation mounts and stages. Rotation mounts are designed with an inner bore to mount a Ø1/2", Ø1", or Ø2" optic, while rotation stages are designed with mounting taps to attach a variety of components or systems. Motorized options are powered by a DC Servo motor, 2 phase stepper motor, or an Elliptec™ resonant piezo motor. Each offers 360° of continuous rotation.

Manual Rotation Mounts

Rotation Mounts for Ø1/2" Optics
Item # MRM05(/M) RSP05(/M) CRM05 PRM05(/M)a SRM05 KS05RS CT104
Click Photo
to Enlarge
Features Mini Series Standard External SM1
(1.035"-40) Threads
Micrometer 16 mm Cage-Compatible ±4° Kinematic Tip/Tilt Adjustment Plus Rotation Compatible with CT1 Cage Translator Stage and 1/4" Translation Stagesb
Additional Details
  • This mount is available in the PRM05GL5 bundle, which includes the PRM05 rotation mount with the SM05PM5 polarizing prism mount.
  • The CT104 is complatible with the 1/4" translation stages using our MS103(/M) adapter plate.
  • The CT104 is compatible with the CT1 cage translation stage, which is designed for use with 30 mm cage systems.

Rotation Mounts for Ø1" Optics
Item # RSP1(/M) LRM1 RSP1D(/M) DLM1(/M) CLR1(/M) RSP1X15(/M) RSP1X225(/M) PRM1(/M)a
Click Photo
to Enlarge
LRM1
Features Standard External SM1
(1.035"-40) Threads
Adjustable Zero Two Independently Rotating Carriages Rotates Optic Within
Fixed Lens Tube System
Continuous 360° Rotation
or 15° Increments
Continuous 360° Rotation
or 22.5° Increments
Micrometer
Additional Details
  • This mount is available in the PRM1GL10 bundle, which includes the PRM1 rotation mount with the SM1PM10 polarizing prism mount.

Rotation Mounts for Ø1" Optics
Item # LM1-A &
LM1-B(/M)
CRM1(/M) CRM1L(/M) CRM1P KS1RS K6XS
Click Photo
to Enlarge
Features Optic Carriage Rotates Within Mounting Ring 30 mm Cage-Compatiblea 30 mm Cage-Compatible
for Thick Opticsa
30 mm Cage-Compatible
with Micrometera
±4° Kinematic Tip/Tilt Adjustment Plus Rotation Six-Axis
Kinematic Mounta
Additional Details
  • This mount also features four 4-40 (M3) holes on the rotation dial for use with the K6A1(/M) prism platform.

Rotation Mounts for Ø2" Optics
Item # RSP2(/M) RSP2D(/M) PRM2(/M) LM2-A &
LM2-B(/M)
LCRM2(/M) KS2RS
Click Photo to Enlarge
Features Standard Adjustable
Zero
Micrometer Optic Carriage Rotates Within Mounting Ring 60 mm Cage-Compatible ±4° Kinematic Tip/Tilt Adjustment Plus Rotation
Additional Details

Manual Rotation Stages

Manual Rotation Stages
Item # RP005(/M) MSRP01(/M) RP01(/M) RP03(/M) QRP02(/M)
Click Photo
to Enlarge
Continuous Rotation Mount
Features Standard Two Hard Stops
Additional Details

 

Manual Rotation Stages
Item # XRR1(/M) PR01(/M) CR1(/M) XYR1(/M) OCT-XYR1(/M)
Click Photo
to Enlarge
Features Fine Rotation Adjuster and
3" Wide Dovetail Quick Connect
Fine Rotation Adjuster and
SM1-Threaded Central Aperture
Fine Pitch Worm Gear Rotation and 1/2" Linear XY Translation
Additional Details
  • The stage profile is higher when it is mounted using the screw slots rather than stacked on another stage or accessory with 3" dovetails.
  • The OCT-XYR1(/M) stage includes the XYR1A solid sample plate. This plate can be detached from the stage to reveal the same mounting features present on the XYR1(/M) stage.

Motorized Rotation Mounts and Stages

Motorized Rotation Mounts and Stages
Item # DDR25(/M) K10CR1(/M) PRM1Z8(/M)a PRMTZ8(/M)b DDR100(/M) HDR50(/M) ELL18(/M)c
Click Photo
to Enlarge
Features Compatible with
SM05 Lens Tubes,
16 mm Cage System,
30 mm Cage System
Compatible with SM1 Lens Tubes and
30 mm Cage System
Tapped Mounting Platform for Mounting Prisms or Other Optics Compatible with
SM1 Lens Tubes,
16 mm Cage System,
30 mm Cage System
Compatible with
SM2 Lens Tubes
Tapped Mounting Platform, Open Frame Design for OEM Applications
Additional Details
  • This stage is available in the KPRMTE(/M), which includes the PRMTZ8(/M) Motorized Rotation Stage with the KDC101 K-Cube DC Servo Motor Controller.
  • This stage is available in the KPRM1E(/M), which includes the PRMT1Z8(/M) Motorized Rotation Stage with the KDC101 K-Cube DC Servo Motor Controller.
  • This stage is available in the ELL18K(/M), which includes an interface board, mounting brackets, and connectors for PC control.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
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+1 Qty Docs Part Number - Metric Price Available
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QRP02/M360° Manual Rotation Platform with Two Hard Stops, Metric
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