FLORA pp2512uv - Servo Motor; Raster Reader and Strip; Limited Switch

Victor Xu Page 28 12 Jan. 2011
Copyright 2011 © Shenzhen Runtianzhi Image Technology, Co., Ltd.
http://www.floradigital.com
4.4.1.2 Servo motor
Servomotors (SM) are controlled by their respective Servo Drivers (SD). They are
responsible in driving carriage X-axis, Y-axis and Z-axis movements.
SD4 controls the SM4 which is responsible in driving the carriage X-axis movement. It
is installed at the right end of the beam.
4.4.1.3 Raster reader and strip
The Raster Strip
(Raster Ruler) is a transparent plastic strip marked with dots arranged
to form a vertical line, the pitching and number of dots depends on the DPI specification of the
strip. The Raster Encoder
(Raster Reader) is responsible for reading the lines across the strip
length and then generates pulses that will be sent to the Print head to fire the ink droplets.
The Raster Encoder is installed at the back right side of the carriage while the Raster
Strip is installed on the beam through out its length.
4.4.1.4 Limited switch
There are three limited switches installed for carriage assembly X-axis movement.
One is at the right end while the other two are at carriage home position. These switches will
stop the carriage to move further in case it over shoot due to servomotor malfunctions.
Ri
g
ht End Limited Switch
Left End Limited Switch
Home position Limited Switch
Raster Encode
r
Enlarged View
Raster Strip
Raster Encoder
Mountin
g
Bracket
Raster
Encoder
Raster Encoder Setup
Raster
Encoder
Optical
Sensor
1.0–1.5 mm
Machine Back View
Servo motor