A700000009046784.pdf - 第13页

13 Using the Vision syst em For a ssembling small components of size 0402 as we ll as for precise placing o f the integrated circuits with a very fine pitch, a miniature CCD camera is built into t he assembling head. The…

The PCB holders can be removed from assembling desk or relocated by pressing both ends together.

Side holders

Place the PCB holder on the surface of the assembling desk between the side

holders. First, slide the tab on one end of the holder all the way into the

groove at the bottom of the side holder. Lower the PCB holder and the

protrusion will snap into the groove of the second side holder.

Place the printed circuit board on the upper groove of the PCB holders. Set

the spacing between the PCB holders to the width of the PCB. If the size of

the PCB allows it, place more pieces on the work surface.

Vacuum pump

Caution! Use only the vacuum pump that is included

in the delivery (the pumps are specially adapted for use

with manipulators). Switch on the pump before starting the

manipulator and switch it off after manipulator has been

switched off. Set the intensity of the vacuum with the

control valve. The maximum vacuum is required to lift

large or heavy components, for small SMD it is

recommended to reduce the vacuum. The use of rubber

suction cups or a suitable needle diameter significantly

affects the vacuum required to lift the component.

Using the Vision system

For assembling small components of size 0402 as well as for precise placing of the integrated circuits

with a very fine pitch, a miniature CCD camera is built into the assembling head. The camera has 2

positions and shows either assembling needle or dispensing nozzle.

Enlarged image taken at a small angle is displayed on a large 15" monitor. The focus of the CCD

camera is set at the factory, it does not require any adjustments from the operator.

It is technically impossible to install the camera onto the vertical axis of the assembling needle, that´s

why it is installed in a small angle. This can result in a slightly blurred image around the edges of the

LCD display.

Technical data of Vision system:

CCD camera:

Viewing angle: 78°

CMOS sensor: 1/4" - 8 Mpx

Video resolution: 1080p / 30fps - Full HD

PC monitor

Display dimensions: 15.6" (40 cm) widescreen 16:9

Resolution: 1366 x 768 px

Dimensions with stand: 378 x 281 x 189 mm

The PC monitor has standard settings (brightness, contrast, color), which can be individually adjusted

according to the actual need.

The main switch on the control box turns on/off the camera electronics as well as the lighting

in the head. The lighting can be adjusted with a rotary knob on the front wall of the box.

Work with the Manipulator

The manipulator MPP1 was developed for manual assembling of SMD components. With different

types of feeders it is possible to assemble SMD components from strips but also from IC sticks.

Before switching on the manipulator, check that all cables are connected correctly and that the

vacuum hose is connected to both the vacuum pump and to the manipulator. Ground the

manipulator with an ESD cable (included). Plug the monitor, vacuum pump and adapter into an

electrical outlet (AC 230 V). If all cables are connected and the vacuum pump is switched on, you

can switch on the manipulator with the main button on the right. The button lights up and the camera

view appears on the screen within 3 - 5 seconds. If the preview does not appear, check that all cables

are connected properly.

Do not disconnect any cables, disconnect the adapter or the vacuum pump from the socket when

the manipulator is switched on! Place the feeders on the assembling desk as described.

Assembling

Attach the needle to the conical shaft - put it gently so that it can be easily removed. For small

components (0201, 0402) use a thinner pink needle, for larger components (603, 1206, SO8, SO16

etc.) a thicker brown needle. Use a rubber suction cup to fit larger integrated circuits or the processors.

Slide the rubber suction cup onto the assembling needle so that the end of the assembling needle

stayed inside the suction cup. Place the required number of assembled PCBs on the PCB holders.

Place your left hand on the left

armrest, your right hand put on the

movable armrest and grasp the

assembling head with your palm. The

thumb controls the rotation of the

knob (ie the component) as well as the

vertical movement of the assembling

needle. The conical shaft of the needle

has a free movement in the range of 4-

5 mm, which is used to turn the

vacuum on and off.

Move the assembling head over the

component, carefully bring the end of

the needle closer to the component

surface and lightly touch it. This sucks

the component to the end of the

needle. When the needle touched the

component and the component is sucked, stop the downward movement of the button. Gently release

the button to return to its primary upper position. Move to the desired position, turn the knob to direct

the component correctly and press down the knob to place the component on the PCB.

When the mounting head is pushed to the lowest position, the vacuum is switched off (reduced to a

minimum) and the part remains stuck in the paste. When we release the head and the spring pushes it

to the highest position, the vacuum is switched on again (increased to the maximum).

Small parts adhere to the paste without reducing the vacuum.

Always switch-off the manipulator with the main button! After switching off the manipulator

(using the main button), you can disconnect the monitor, adapter and vacuum pump from the

socket.