To improve the efficiency, precision, and quality stability of the SMT production line, the peripheral equipment for SMT placers is constantly being updated and upgraded. Below, Changheng Placers analyzes 12 common peripheral equipment used in SMT placers and their functions.

Loader:

Also known as a board feeder or loading machine, the loader is the starting point of the SMT production line. It automatically sends PCBs to the SMT placer by receiving the signal from the downstream machine, effectively saving labor costs and improving production line efficiency and quality.

Unloader:

Also known as a board collector or unloading machine, the unloader is the end point of the SMT production line. It automatically places the completed PCBs from the SMT placer into a frame by receiving signals from the upstream machine, effectively saving labor costs.

Stacking Machine:

Also known as a folding machine or layered feeder, the stacking machine is used at the source of the SMT production line. It places PCBs on a support structure above the track and pushes blades on both sides of the board onto the conveyor belt after receiving the signal from the downstream machine, achieving automatic loading. When used as a docking station, it can be used for automatic loading and through-feed functions.

Suction Machine:

The suction machine is used at the beginning of the SMT production line. It transfers stacked bare boards to the connecting track through a lifting platform, vacuum suction system, translational drive, and track transmission, and sends them to the backend equipment, achieving automatic loading. It can be used together with the loader or bare board feeder to improve the efficiency of the SMT production line.

Integrated Suction Loader:

The integrated suction loader combines the functions of an automatic loader and a suction machine. It consists of a material frame loader and a vacuum suction loader. The two loading modes can be switched freely and conveniently. One machine can be used for single or double boards, improving the flexibility of the production line.

Multi-functional Buffer:

The multi-functional buffer is used for PCBs that fail AOI/SPI inspection equipment on the SMT production line. Based on the NG/OK signals given by the inspection equipment, the NG PCBs are transported to the upper layer of the machine for manual confirmation, while the OK PCBs are transported to the next process. It effectively handles defective products on the SMT production line, improving efficiency and quality.

NG Buffer Conveyor:

Similar to the multi-functional buffer, the NG buffer conveyor is also used for caching PCBs that fail AOI/SPI inspection equipment. Based on the NG/OK signals given by the inspection equipment, the NG PCBs are lifted and cached, while the OK PCBs are transported to the next process. It quickly handles defective products, avoiding affecting subsequent processes and improving the efficiency and quality stability of the production line.

Buffer Loader:

Also known as a board storage machine, the buffer loader is used to temporarily buffer equipment with slower operating speeds on the SMT production line. It prevents damage to stacked boards and improves the efficiency and quality stability of the SMT production line.

Board Turner:

The board turner is used for automatic board turning in the double-sided process of the SMT production line. By rotating the PCB 180 degrees, it enables negative-side operations, effectively saving labor. It improves the production efficiency and quality stability of the SMT production line.

NG/OK Collector:

The NG/OK collector is used after AOI inspection equipment. Based on the NG/OK signals given by the inspection equipment, it separates and stores NG and OK boards for intelligent board collection, saving labor. It quickly handles defective products, avoiding affecting subsequent processes and improving the efficiency and quality stability of the production line.

Parallel Transfer Machine:

Also known as a translation machine or transfer machine, the parallel transfer machine is used to connect single-track equipment with dual-track equipment or between two single-track devices. It achieves the functions of combining two into one, combining three into one, and splitting one into two. It is mainly used for connecting a single-track placer with a dual-track reflow oven. Through the parallel transfer machine, the SMT production line can share the reflow oven, effectively saving labor, material, and electricity costs.

Docking Station:

The docking station is used for connecting different sections of the SMT production line. It can also be used for manual PCB insertion, buffering, auxiliary inspection, testing, or electronic component insertion. It provides flexibility and scalability to the SMT production line, enabling it to adapt to various production needs.

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