ODB++ format has been designed with an aim to eliminate all problems for CAD-to-CAM data transfer without any downsides. NC drill file should be in ASCII format look something like this: Manufacturer’s CAD engineer will use aperture list to enter shape and size information manually in their CAM software.
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However, if your software can only generate standard format, please do not forget to supply separate aperture list/report file to the manufacturer. Standard gerber format is almost obsolete these days. There are two major generations of Gerber format: RS274-X (extended gerber) and RS274-D (standard gerber). This is the most common and easily acceptable fabrication output format by every PCB manufacturer in the world. Here is list of common output formats: 1. If your software cannot export fabrication output in commonly acceptable formats, you will stuck with only few PCB manufactures and end up paying high cost of manufacturing. Therefore, it is extremely important to know various possible fabrication output formats before you chose PCB design software. You will be required to export fabrication output from your design files in a specific format. QualiEco do not accept direct design files from any software except Altium.
In most cases, PCB manufacturer will not accept your PCB design file directly (e.g.
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* There are many free and commercial softwares available in the market but we have included only few that are widely used among designers. (EAGLE light edition is free for limited usage mainly for hobbyist) Few softwares restrict you to manufacture PCB from their own manufacturing facilities by not allowing to export output in commonly acceptable formats.Ĭommercial PCB design softwares* Name of the software.Please check whether the software works on your operating system.Quotes requested via PCB Directory are routed to manufacturer of the solder paste mixer.
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They can then view mixer specifications, download spec sheets and get a quote. Users can specify the rotating speed and other parameters to find equipment that meets their requirement. PCB Directory has listed Solder Paste Mixing Equipment from the leading manufacturers in the industry and made it easy for users to find Solder Paste Mixers based on their requirement. Jar Diameter: It represents the maximum diameter of the jar in which the solder is held. For example, a machine can have a working capacity of 500 g x 2 pots i.e can hold 2 jars with 500 gms of solder at a time. Working Capacity: It represents how much weight the machine can handle. Rotating Speed: It is the rotating speed of the container in the machine and is represented in RPM. Revolution Speed: It is the speed of the jar rotating itself with respect to its own axis, and is represented in RPM. Mixing Angle: It is the angle of the solder paste jar placed into the machine with respect to the X-axis, and is represented in degrees. Mixing Time: It is the maximum time required by the machine to complete the mixing of solder paste. The deaeration time usually varies from 0.1 to 9.9 seconds. Deaeration is the process of removing air bubbles in the solder paste. Key Specification of solder paste mixing equipment:ĭeaeration time: It is the time required for the deaeration of solder paste by the machine. In addition, the machine also eliminates the fine air bubbles that can cause solder ball scattering. The solder particles settled at the bottom of the jar due to their high specific gravity are uniformly dispersed, and the paste returns to its original consistent viscosity form. The machine rotates the jar in a way that results in deaeration and mixing of solder at the same time. Solder paste is placed inside a jar and put into the solder paste mixing machine.
Solder paste can be mixed using a Solder paste mixer. To ensure consistent viscosity, the solder paste needs to be mixed. When stored, the viscosity of the solder paste can change as solder particles with a high specific gravity settle at the bottom of the jar. However, when the solder paste needs to be used, we can not just use it straight out of the tub. Refrigeration ensures that the solder paste maintains its properties for a longer period of time and thereby increase the shelf life of solder. Solder paste is usually stored in a refrigerator when kept over a long period of time.
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