STRM Marking Head

  • Update:Aug 14, 2018
  • View:

STRM series precision optical scanning system is a totally digital 2D galvanometer system. Embedded control system guaranteed the servo loop operation. It is compact, stable and cost-efficiency.

Product Introduction

STRM series precision optical scanning system

2D scanheads

STRM-A10

 

STRM-A Series is a totally digital 2D galvanometer system. Embedded control system guaranteed the servo loop operation. It is compact, stable and cost-efficiency. It is the basic version of STRM series scanheads. Mirrors of general wavelength is available, like 1064nm, 532nm 355nm, 10.6um.Suitable for laser marking, microscope, drilling, trimming and cutting etc.

STRM-A10 Specifications

 (All angles are in optical degrees)

Aperture

10mm

Beam displacement

13mm

Tracking error time

220us

Offset drift

75urad/K

Gain drift

200ppm/K

Step response time

 

1% of full scale

0.3ms

10% of full scale

0.8ms

Marking speed (1)

2m/s

Positioning speed

12m/s

Writting speed (2)

 

             Good quality

500cps

             High quality

450cps

Repeatability

< 22urad

Drift over 8 hours (After 30min warm-up)

< 0.3mrad

Typical scan angle

40 degrees

Interface (3)

XY2-100 Enhanced

Operating temperature

25°C±10°

Power requirements

±15V DC, 150W

Driver mode

Digital

Resolution

16Bit

Max laser power (4)

100W

(1)with F-Theta objective, f=160mm

(2)single-stroke characters of 1mm height

(3)XY2-100 Enhanced with status feedback

(4)The mirror of 1064nm can stand max laser power

 

STRM-Q 10/12/14

STRM-QUANTUM series is totally digital 2D galvanometer system. System operate based on the embedded platform. It is compact, stable and high quality. More fast and accuracy. The offset drift and gain drift are very low. Mirrors of typical laser wavelength is available and optimized for inertial and stiffness. Suitable for high end application like ITO scratching, laser micro processing etc.

(All angles are in optical degrees)

 

STRM-Q 10

STRM-Q 12

STRM-Q 14

Aperture

10mm

12mm

14mm

Beam displacement

13mm

14.5mm

18.1mm

Tracking error time

130us

160us

160us

Offset drift

30urad/K

30urad/K

30urad/K

Gain drift

50ppm/K

50ppm/K

50ppm/K

Step response time

 

 

 

1% of full scale

0.3ms

0.3ms

0.5ms

10% of full scale

0.8ms

0.8ms

1ms

Marking speed (1)

2.5m/s

2m/s

2m/s

Positioning speed

15m/s

11m/s

8m/s

Writting speed (2)

 

 

 

             Good quality

800cps

660cps

660cps

             High quality

500cps

410cps

410cps

Repeatability

< 15urad

< 15urad

< 15urad

Drift over 8 hours (After 30min warm-up)

< 0.1mrad

< 0.1mrad

< 0.1mrad

Typical scan angle

40 degrees

40 degrees

40 degrees

Interface (3)

XY2-100 Enhanced

XY2-100 Enhanced

XY2-100 Enhanced

Operating temperature

25°C±10°

25°C±10°

25°C±10°

Power requirements

±15V DC, 150W

±15V DC, 150W

±15V DC, 150W

Driver mode

Digital

Digital

Digital

Resolution

16Bit

16Bit

16Bit

Max laser power (4)

100W

100W

100W

(1)with F-Theta objective, f=160mm

(2)single-stroke characters of 1mm height

(3)XY2-100 Enhanced with status feedback

(4)The mirror of 1064nm can stand max laser power


 

STRM-Q 20/30

STRM-QUANTUM series is totally digital 2D galvanometer system. System operate based on the embedded platform. I t is compact, stable and high quality. More fast and accuracy. The offset drift and gain drift are very low. Mirrors of typical laser wavelength is available and optimized for inertial and stiffness. Suitable for high end application like I TO scratching, laser micro processing etc. Added water and air cooling function to improve the stability of the system.

(All angles are in optical degrees)

 

STRM-Q20

STRM-Q30

Aperture

20mm

30mm

Beam displacement

26.5mm

36.5mm

Tracking error time

360us

550us

Offset drift

30urad/K

30urad/K

Gain drift

50ppm/K

50ppm/K

Marking speed

1m/s

0.7m/s

Positioning speed

6m/s

3m/s

Writing speed

 

 

           Good quality (1)

320cps

220cps

           High quality (2)

210cps

150cps

Repeatability

<15urad

< 15urad

Drift over 8 hours

< 0.1mrad

< 0.1mrad

(After 30min warm-up)  Typical scan angle

40 degrees

40 degrees

Interface

XY2-100 Enhanced

XY2-100 Enhanced

Operating temperature

25°±10°

25°±10°

Power requirements

±15V DC, 150W

±15V DC, 150W

Driver mode

Digital

Digital

Resolution

16Bit

16Bit

Max laser power (3)

1000W

5000W

(1) with F-Theta objective, f=160mm   

(2) single-stroke characters of 1mm height  

(3) The mirror of 1064nm can stand max laser power in air cooling 


 

3D scanheads

STRM-QPT: 3D Post-Scanning Solution

(Refer to STRM-Q Quantum datasheet for 2D galvo.)

This solution includes a 2D galvoscanner system STRM-Q Series, a dynamic focus unit Proton Series, F-theta lens and a galvo system controller STRM-UMC4. It uses the Post-Objective Scanning technology, the working volume is about 150*150*45(with the 210mm F-theta lens). The advantage of this system: marking fast, small focal spot, small loss.

Laser type

Nd:YAG

Nd:YAG doubled

Wavelength

1064nm

532nm

Beam expansion factor

1.67

3

Input aperture

6mm 7.2mm 8.4mm

3.3mm 4mm 4.6mm

Scan head apertures  

10   12   14

10   12   14

Focus range in Z-direction

±22.5mm (1)

±2.5mm (2)

Tracking error time

700us

700us

 

A:(1) F-Theta f=210mm. (with F-Theta objective ,f=210mm)

(2) F-Theta f=100mm. (with F-Theta objective ,f=100mm)

 

All of the above parameters are theoretical values.

 

Scan head apertures

10mm

12mm

A

43

41.5

 

STRM-QP 20/30: 3D Pre-Scanning Solution

(Refer to STRM-Q 10/ 12/ 14 datasheet for 2D galvo.)

 

STRM-QP 20/30: 3D Pre-Scanning Solution includes a 2D galvoscanner system STRM-Q, a dynamic focus unit Proton series, and a galvo system controller STRM-UMC4. It uses the Pre-Objective Scanning technology to realize the large field and 3D laser application. The advantage of this system: fast, small focal spot, small power loss.

CO2 laser configuration example: STRM-QP 30

Working dimension

600x600mm

600x600mm

Spot diameter

364um

487um

Working distance

502mm

777mm

Resolution

9um

12um


Nd:YAG laser configuration example: (λ=1064nm) STRM-QP20/ 30

Working dimension

400x400mm

600x600mm

800x800mm

Spot diameter

         QP-20

34um

52um

         QP-30

-

36um

48um

Working distance

         QP-20

502mm

777mm

         QP-30

-

777mm

1051mm

Resolution

6um

9um

12um


UV laser configuration example: STRM-Q14 + Proton

Working dimension

400x400mm

600x600mm

Spot diameter

17um

26um

Working distance

520mm

795mm

Resolution

6um

9um


1.    All of the above parameters are theoretical values.

2.    Distance between edge of deflection unit and working surface. This distance is dependent on the product model and will vary with laser pergence and objective tolerance.

3.    Actual spot size and writing speed are dependent on material and application.

 

STRM-CA: CCD Adapter

Traditional galvo scanner correction method is given priority to with the manual measurement, accuracy is difficult to be guaranteed, thus affecting the processing quality. Galvo scanner with a Camera adapter vision module can greatly improve the accuracy of the calibration, and facilitate monitoring of work surfaces and screening at the first time.

Installation:

The camera adapter is mounted between the scan head’s beam entrance and the laser flange. (see Fig 1).

Working Principle:

Illumination light reflected from the surface of the workpiece pass through achromatic F-theta, galvo scanner, beam splitter, CCD lens to reach the CCD sensor. Adjust beam splitter position to compensate the error of machining and assembly to ensure the optical path of the laser and reflected light coaxial. Make the laser coincides with the CCD image detection point.

FOV:

Field of view is decided by the lens focal length, CCD camera, CCD camera photosensitive element size together. For example, 160mm lens, CCD target surface size of ½ ", the field of view is 10.4mm * 8.3mm (see table)

 

Laser wavelength

1064nm

532nm

Pilot laser wavelength

635nm

635nm

Diameter of entering beam

14mm

10mm

Scan head mirror coating

1064nm + 635nm

532nm + 635nm

Processing field size

100 x 10 0mm

100 x 100mm

Observation wavelength

1064nm / 635nm

532nm / 635nm

Focal length camera objective

102mm

102mm

Flat field objective

160mm

210mm

254mm

163mm

Observation field size

10.4x8.3mm

13.7x10.9mm

16.6x13.3mm

10.6 x 8.5mm

 

Other Parameters:

Diameter of entering beam

14mm

Operating temperature

25℃ ±10℃

Max. Chip size

95 %

Camera Connection type

≥1/2″

Weight(without camera)

C-mount

Laser transmissivity

≈2.6 K g

 

1. Entering beam

2. Beam-entrance side camera adapter

3. Camera adapter

4. CCD objective

5. CCD camera

6. Beam-exit side camera adapter

7. Scan head

8. Exit beam

 

 

Mechanical Parameters:

All Dimension in mm

 

 

Coaxial CCD adapter tuning method and steps

1. Adjust the galvanometer height, find the galvanometer focus position.

2. Mark the crosshair.

3. Adjust the focus ring 4 (CW or CCW), to the camera showing a clear image.

4. Locking screw 5 to lock the focus ring 4.

5. Loosen screw 7, CW or CCW adjusting ring 6, to make the orientation of the image the same as the crosshairs.

6. Lock screw 7.

7. Observe the CCD image crosshair and the marked crosshair position. If the two crosshair does not coincide with each other need to open the protective cover, tuning the knob 2 and knob 3. Take ② (see Figure 1) as an example, when the knob 2 is adjusted, the centre of the image will move left and right diagonally. When the knob 3 is adjusted, the centre of the image will move up and down diagonally .Tuning knob 2 and 3 to make the image crosshair coincide with the marked crosshair.

8. After tuning restore the cover.

Share: