A bar feeder is a specialized piece of workshop engineering that does exactly what the names implies, which is to feed bars to CNC machines. By utilizing bar feeders, workshops can put a CNC into continuous and unobstructed operation without having to worry about providing metal bars that constitute the main workpiece material.
Bar feeders are considered to be a CNC extension, so they are directly connected and controlled by the latter. Operators, however, may also set a particular feeding rate that is fit for an application manually. The metal bars are held on the storage chamber and are taken out one by one to be passed into the CNC milling chamber. Bar feeders today are capable of detecting abnormal operation, stopping the feed automatically.
Consideration when selecting bar feeders
There are many different bar feeder models in the market today, offering different production qualitative and quantitative characteristics. As these machines are destined to work together with CNCs, compatibility and sizing are especially important when considering buying one. Here's a list with the most significant factors to consider before making a bar feeder choice:
Size of Magazine
The size of the magazine that holds the bars is a critical factor to consider when buying a bar feeder. Determine what type of bars you want to process (gauge class) and calculate how many of them can be held on the magazine. Then consider the feeding rate to figure out how many hours of unattended operation you can get from the feeder. Usually, a minimum of 8 hours (night shift) should be preferred.
Part and Spindle Size
To minimize material wastage and maximize the production efficiency, machinists should consider the following values: total length of the bar, length of the bar that is held on the CNC spindle, and length of the bar needed to produce one item. This consideration is not only about saving material from avoiding to generate a lot of unusable pieces of bars every day, but also about saving time as less frequent bar changes will be required.
Safety Mechanisms
Bar feeders are machines that are left to operate by themselves for many hours, or even days in some cases. For this reason, they should boast advanced safety features that ensure their good operation while workshop personnel is busy doing something else. Some of those features could be sensors placed in key points, load measurement equipment, and infrared beams that check the position of the bars. Modern bar feeders can even have webcams used for remote monitoring.
Floor Space
Bar feeders are installed right next to the CNC, so considering if a workshop has enough floor space for such a machine is imperative. Also, remember that it's not only about fitting a machine in a corner, but also providing for enough space for regular maintenance and access in the compartments. Finally, if a crane will be used for the feeding of the magazine, enough maneuvering space should be considered.
Bar feeders are considered to be a CNC extension, so they are directly connected and controlled by the latter. Operators, however, may also set a particular feeding rate that is fit for an application manually. The metal bars are held on the storage chamber and are taken out one by one to be passed into the CNC milling chamber. Bar feeders today are capable of detecting abnormal operation, stopping the feed automatically.
Consideration when selecting bar feeders
There are many different bar feeder models in the market today, offering different production qualitative and quantitative characteristics. As these machines are destined to work together with CNCs, compatibility and sizing are especially important when considering buying one. Here's a list with the most significant factors to consider before making a bar feeder choice:
Size of Magazine
The size of the magazine that holds the bars is a critical factor to consider when buying a bar feeder. Determine what type of bars you want to process (gauge class) and calculate how many of them can be held on the magazine. Then consider the feeding rate to figure out how many hours of unattended operation you can get from the feeder. Usually, a minimum of 8 hours (night shift) should be preferred.
Part and Spindle Size
To minimize material wastage and maximize the production efficiency, machinists should consider the following values: total length of the bar, length of the bar that is held on the CNC spindle, and length of the bar needed to produce one item. This consideration is not only about saving material from avoiding to generate a lot of unusable pieces of bars every day, but also about saving time as less frequent bar changes will be required.
Safety Mechanisms
Bar feeders are machines that are left to operate by themselves for many hours, or even days in some cases. For this reason, they should boast advanced safety features that ensure their good operation while workshop personnel is busy doing something else. Some of those features could be sensors placed in key points, load measurement equipment, and infrared beams that check the position of the bars. Modern bar feeders can even have webcams used for remote monitoring.
Floor Space
Bar feeders are installed right next to the CNC, so considering if a workshop has enough floor space for such a machine is imperative. Also, remember that it's not only about fitting a machine in a corner, but also providing for enough space for regular maintenance and access in the compartments. Finally, if a crane will be used for the feeding of the magazine, enough maneuvering space should be considered.
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CNC Indexing & Feeding Technologies provides the best bar loaders the industry has to offer. Contact them today to get more information.
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