Comparing Epson and Canon scannerEpson and Canon were both well-known brands in the scanner field, and there were many differences in their scanner:
- * * In terms of imaging technology **: Epson uses its own technology in some products. For example, the Epson ds-5000 standard A3 high-definition image document scanner can capture large-scale content. Some of Canon's products used the technology of the STAR, such as the Canon Canoscan LiDE400, which excelled in performance and ease of operation.
- * * In terms of features **, the Epson ES-580W [Service Exclusive Version] wireless paper-feed scanner has a 35-page/70-side rapid continuous double-sided scanning function, and supports USB flash drive direct reading and wireless transmission. It is suitable for enterprise users who handle a large number of bills. Canon's Canoscan LiDE400 had a simple 5-button design. It was light and portable, suitable for scanning A4-sized photos or documents. Canon's ScanLiDE300 was a practical black-and-white flatbed scanner with environmental certification and built-in QR software. It was suitable for small businesses that needed to manage their accounts.
- * * In terms of sales **: From the market sales situation, the Epson ES-580W [Service Exclusive Version] wireless paper-feed scanner has sold nearly 5,000 units, and the Canon Canoscan LiDE400 has won the favor of more than 20,000 users in the market.
In summary, when choosing Epson and Canon's scanner, it was necessary to make comprehensive considerations based on their own needs, such as the object to be scanned, whether it needed to be portable, and the requirements for functionality and speed.
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scanner shutterThe largest external size of the scanner shutter product was 121.80mm x 88.86mm x 25.77mm. The average thickness of the plastic part was 2.70mm. The plastic part was made of PC+ABS. The shrinking rate was 1.005. The mass of the plastic part was 18.35g. The technical requirements of the plastic part were that there should be no defects such as peaking, incomplete injection molding, flow lines, pores, warping, silver lines, cold material, spray lines, bubbles, etc. The plastic part in the product drawing was a complex support. Although it did not have a complex surface, its height fluctuated greatly. Its shape was complex and its shape was symmetrical. It played a functional support role in the product and was a key component inside the product. There are four vertical walls in the middle, each with a through hole of? 3.2. The four holes here must ensure the requirements of the degree of concentration to facilitate the flexible rotation of other related parts after assembly. The two ends of the U-shape had a hook to assemble other components. There was a hook at the bottom of the U-shape. All these installation parts required accurate size, so there were high requirements for geometric tolerance. The difficulty of the mold design was the choice of the mold opening direction, the design of the parting surface, and the design of the four-hole sliding block core-pulling mechanism. Due to the large size of the plastic part, the complex structure, the fluctuation of the parting surface, and the many rubbing positions, the mold was ranked first.
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