Analysis of the production process of the lead frame

Dongguan Precision Electronic Technology Co., Ltd. specializes in the production of metal stamping products such as lead frames, bronze shrapnel, bronze stamping parts, hardware terminals, and connector terminals. The company has more than 30 years of experience in precision high-speed stamping. Precision stamping parts are suitable for mobile phones, PCs, automotive wiring harnesses and other products. It is a supply chain manufacturer of well-known brands in the electronics industry at home and abroad. The defect size tolerance of lead frame stamping parts: 1. The size tolerance caused by the stamping production process is mainly due to the wear of the mold, poor positioning and guidance and deformation of the parts. The cutting edge of the mold wears. It will cause the burrs to be too large or the cut shape size to be larger, the punching to be smaller, and the flatness to be out of tolerance, so the mold should be sharpened or replaced. Poor positioning and guidance include no guide, guide pins or other positioning devices that are not working, the feeder is not loosened, the positioning block is worn and the feed distance is too long, the length of the guide plate is incorrect, or the guide gap is too large. 2. The parts are deformed during production, mainly due to impact deformation. For example, the product's blowing air pressure is too strong or gravity falls and the impact is too large: it is squeezed or deformed during discharging, and the discharging position should be cleaned or enlarged Material space: improper ejection deformation. For example, if the ejector pin is improperly prepared, the spring force is not appropriate or the ejector is too long, the elastic force should be adjusted or the position or the number of pins should be adjusted; the blanking is deformed. Some bending parts cannot allow the material to overlap, and must be dropped each time. When a dish-shaped strain occurs, a pressure pad can be used to eliminate it; punching and shearing deformation is mainly caused by uneven material distortion. The size increases or the center is asymmetrical; the squeezing deformation of floating chips is due to the squeezing deformation of waste materials or fine chips on the mold surface or foreign bodies. Dongguan Precision Electronic Technology Co., Ltd. specializes in the production and supply of metal stamping products such as lead frames, bronze terminals, terminal blocks, and connector terminals. Always implement the work commitment of [fast, accurate, stable], in the fields of 4C industry terminals, connectors, iron shells, precision sheet metal parts, etc., we have been dedicated to the delivery of mold manufacturing technology and precision, beauty, cheap, and excellent stamping In the provision of parts and precision parts, we continue to cultivate technology and strive to meet and exceed customer expectations. Precise contact information: Precise wishes everyone a prosperous business and all the best. If you want to learn more, you can scan the following QR code and follow the official account. , Committed to the world's most professional precision stamping processing plant for electronic parts