Ultrasonic vibration milling is a kind of pulse milling from a microscopic point of view. In a vibration cycle, the effective milling time of the tool is very short, and the tool is completely separated from the workpiece and chips more than 80% of the time. The tool is in intermittent contact with the workpiece and chips, which reduces the friction of the tool, greatly reduces the heat generated, and significantly reduces the milling force, which avoids the "give the tool" phenomenon in ordinary milling, and does not produce chip edge . Using this kind of vibration milling, precision machining can be performed on ordinary machine tools. The geometric tolerances such as roundness, cylindricity, flatness, parallelism, and straightness are mainly determined by the accuracy of the machine tool spindle and guide rail, and can reach close to zero error. It is possible to replace grinding by turning, reaming by drilling, and grinding by milling. Compared with high-speed hard milling, it does not require high machine rigidity and does not damage the surface metallographic structure of the workpiece. In the finish machining of curved contour parts, it is possible to use CNC lathes, machining centers, etc. to carry out profiling machining, which can save the expensive purchase cost of CNC grinders.
Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 04 Jan, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
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Afrimart Online stands as Africa's foremost e-commerce hub, featuring an expansive array of product categories spanning electronics, machinery, toys, furniture, and more. Committed to excellence, our platform delivers swift and streamlined logistics and customs clearance solutions, offering a comprehensive one-stop service for cross-border imports.
Leveraging over three decades of international trade expertise, we ensure a seamless and hassle-free importing experience, providing top-tier products at competitive prices to meet the diverse needs of African consumers.
At Afrimart, we strive to process all orders promptly. Once the payment has been successfully cleared into our account, your order will be processed within 2 to 5 business days. Please note that this processing time excludes weekends and public holidays.
Following the processing of your order, the estimated delivery lead time ranges between 35 to 60 days. However, please be aware that this timeframe is subject to variations due to potential delays in shipping and customs clearance. While we aim to adhere to the original delivery schedule, unforeseen circumstances may occasionally extend the delivery window beyond the anticipated 35 to 60 days.
In the event of high demand or other factors leading to longer shipping times for certain items, we will communicate any expected delays during the initial order confirmation. We appreciate your understanding and patience as we work to ensure your order arrives as swiftly as possible.