The hottest HP saiangel x2 print head

HP saiangel x2 print head

high efficiency, high quality and high reliability

industrial inkjet printer can print at the speed of hundreds of square meters per hour. However, the expanding market for colorful, high-quality and high-durability images used in shopping spots, outdoor displays, cars and buildings will have more than 3000 pen making enterprises, more than 200000 employees The large pen making country with an annual output of more than 40 billion ballpoint pens requires to push to a higher level. Since the print head and ink are the key components of any inkjet printer, higher efficiency may ultimately depend on the printing head and ink technology that can provide reliable performance and high-quality images with high output speed. Most varieties have responsive index requirements

higher efficiency means printing more square meters per hour, which requires faster delivery of ink to the printing medium. Higher ink flow can be achieved in a number of ways, including faster inkjet speed, greater inkjet volume, wider print lines, fewer round trips of print heads, and the use of fast drying ink. These strategies can be integrated or used alone, but in general, each practical scheme will increase the nozzle required for each color and put forward higher requirements for the performance of the print head

from the practical point of view of manufacturing technology and maintainability, the print heads used in industrial inkjet printers are composed of many individual print heads packaged into an array. Depending on the performance requirements, industrial inkjet printers can contain dozens, hundreds or even thousands of independent print heads. According to this application mode, each independent print head must meet the following requirements:

compact design

the high density of nozzle arrangement per unit print area reduces the volume and weight of print heads with large nozzle arrays

high reliability

the print head must be able to resist the chemical corrosion caused by the ink used in industrial inkjet printers, and provide reliable image quality to reduce the downtime required for maintenance

high capacity

the print head should provide a high ink flow rate at the ink drop frequency that enables fast linear printing

high image quality

image quality that meets the requirements of application conditions must be provided at the highest printing speed. Ink volume, speed and trajectory should be consistent between print heads and between print head groups

easy installation and maintenance

the connection of mechanical parts, ink path and electronic components to the print head must allow easy installation to remove during assembly and maintenance

manufacturability

the manufacturing process of the print head should be able to produce consistent and accurate properties and quality to ensure consistent ink droplet ejection performance. The manufacturing process should provide high output and production scale suitable for high output

flexibility of printer design

the design of print head should support fixed or scanning structure at the same time, and reliably spray industrial inkjet printer ink under conditions higher than the industrial temperature range

the new HP saiangel x2 print head meets the requirements of these industrial inkjet printing. In this article, you will learn how it does this

Introduction to HP saiangel x2 print head

HP saiangel x2 print head has a compact and modular design, and is based on the silicon glass print head substrate designed, developed and produced by HP

piezoelectric inkjet technology provides high imaging performance with high ink flow rate. The manufacturing process using silicon-based MEMS technology can ensure the design and production of high-performance droplet generator architecture to ensure continuous and consistent droplet ejection performance

the print head substrate has 128 nozzles and an original resolution of 100 nozzles/inch. It can be assembled into a multi print head module and provides a resolution of up to 800dpi. Because each nozzle can spray 30000 ink drops and up to 50pl of ink per second, HP saiangel x2 print head can supply 10ml of ink per minute at a linear printing speed of 2 meters/second

high reliability and chemical corrosion resistance to industrial inkjet printer inks are made possible by its design: only silicon, glass and epoxy resin contact the ink, while piezoelectric actuators and electrodes are completely isolated from the ink. The print head can provide reliable imaging performance in the industrial temperature range above 15 - 45 C

the advanced technology contained in HP saiangel x2 print head is protected by a series of patents or patent applications

Jane can not only give full play to the advantages of the experimental machine to the most convenient installation and maintenance

in an industrial inkjet printer, how to install and maintain hundreds of individual print heads is a key consideration in the design process. The characteristic of HP saiangel x2 print head is that the connection of mechanical parts, ink path and electronic parts allows the print head to be fastened with only two screws after it is inserted in place

two mechanical position probes provide positioning accuracy higher than 10 microns without adjustment. The ink path is connected through two ports, each of which is sealed with a ring, so there is no ink pipe to be connected and fastened. A 26 pin connector is provided for the transmission of power and control signals

with HP saiangel x2 print head, installation and disassembly become very simple and easy

print head substrate

the print head substrate is characterized by a unique double-sided side jet design. 64 nozzles, ink channels, and piezoelectric actuators are arranged on both sides of the silicon card. Due to the characteristics of up to 100 nozzles per inch and thin (about 1 mm thick), this print head substrate is an ideal choice for constructing multi card print head modules with very high nozzle density. The thin glass plate is permanently bonded with silicon, so there is no need to use adhesive to seal the ink delivery channel. When a voltage pulse is applied, the piezoelectric actuator deflects the glass plate to the ink delivery channel by an angle of less than 1 micron, thereby ejecting an ink drop. The nominal rate of ink droplets is 8 meters/second, which gives accurate ink dot positioning during high-speed linear printing. The piezoelectric actuator and electrode are arranged on the outer surface of the glass plate and completely isolated from the ink

on the print head substrate (as shown in the figure), the ink is transmitted to the inlet of the ink transmission channel along the upper edge. Piezoelectric actuators and their electrodes are golden structures visible in the middle, while the nozzle array is arranged along the lower edge. Because the nozzle is formed inside the polished silicon surface, there is no need to adjust the nozzle plate or disassemble it during the production process of the nozzle

HP Symantec x2 print heads are built with integrated circuit accuracy using MEMS technology. Because it can define and replicate characteristics in submicron specifications, MEMS allows the shape of nozzles and ink delivery channels to be optimized according to the ink droplet ejection performance. The highly uniform jet structure inside and between each print head means a consistent amount and rate of ink droplets, and has a high positioning accuracy in the multi print head module

print head substrate rack

print head substrate rack is a component used to support and adjust the print head substrate. It positions and loads the print head on the printer, and then connects it to the ink supply part to provide ink separation pipeline and support a fancy wire welded to the print head substrate

the card holder consists of four glass reinforced liquid crystal polymer (LCP) modules. Liquid crystal polymers have high strength, good spatial stability and chemical corrosion resistance to industrial inkjet inks

there is a protective LCP sleeve in the front of the print head, which is used to adjust and protect the nozzle array