An Introduction to the Auto Pin Insertion Machine
In the highly precise and automated world of modern electronics manufacturing, the Auto Pin Insertion Machine stands as a critical piece of equipment. It is a specialized robotic system designed to automatically insert electronic components—most commonly pins, connectors, terminals, and sockets—into printed circuit boards (PCBs) with high speed, accuracy, and reliability.
Core Function and Purpose
The primary function of an Auto Pin Insertion Machine is to replace the tedious, error-prone, and slow manual process of placing pin-type components. By automating this task, manufacturers achieve:
Enhanced Productivity: Machines can insert thousands of pins per hour, operating continuously without fatigue.
Superior Accuracy and Consistency: Utilizing advanced vision systems and precise actuators, these machines ensure every pin is inserted at the correct location, orientation, and depth, drastically reducing defects.
Reduced Labor Costs: Automation significantly lowers the dependency on manual labor for repetitive tasks.
Improved Scalability: They are essential for high-volume production runs, ensuring consistent output quality from the first board to the ten-thousandth.
Key Components and How It Works
A typical Auto Pin Insertion Machine integrates several sophisticated subsystems:
Feeding System: Pins are supplied in bulk, often on reels, in sticks, or in vibratory bowls. The feeding system orients and delivers them one-by-one to the insertion head.
Insertion Head/Actuator: This is the “hand” of the machine. It picks up a single pin from the feeder and, using a pneumatic or servo-electric mechanism, presses it firmly into the pre-drilled hole on the PCB.
Vision System (Optional but common): A high-resolution camera captures an image of the PCB. The system then compares this image to its programmed design files to precisely align the insertion head with the target hole, compensating for any minor misalignment of the PCB on the conveyor.
PCB Handling System: A conveyor belt or an X-Y table moves the PCB into the correct position under the insertion head and holds it securely during the process.
Controller and Software: The brain of the operation. An industrial computer or PLC runs the software that controls all movements, sequences, and logic. Operators use this interface to load new product designs and monitor machine status.
The workflow is a continuous loop: PCB Load -> Vision Alignment -> Pin Pick-Up -> Insertion -> PCB Unload -> Repeat.
Different Types of Insertion Processes
Auto Pin Insertion Machines can be configured for various specific tasks:
Press-Fit Insertion: The pin is pressed into a plated-through hole in the PCB. The pin’s design, slightly larger than the hole, creates a gas-tight, interference fit that requires no soldering to establish a reliable electrical and mechanical connection.
Solder Tail Insertion: Pins are inserted into holes, and the entire assembly later passes through a soldering process (like wave soldering) to permanently secure them.
Compliant Pin Insertion: A specific type of press-fit pin with a flexible section that deforms during insertion, ensuring a reliable connection without damaging the PCB.
Common Applications
These machines are indispensable in industries that rely on robust PCB connectors, including:
Automotive Electronics: For engine control units (ECUs), infotainment systems, and power distribution modules.
Industrial Control Systems: In programmable logic controllers (PLCs), motor drives, and power supplies.
Telecommunications: For network switches, routers, and base station equipment.
Aerospace and Defense: In avionics and mission-critical control systems where reliability is paramount.
Consumer Appliances: In control boards for washing machines, dishwashers, and other smart appliances.
Conclusion
The Auto Pin Insertion Machine is a cornerstone of efficient and high-quality electronics assembly. By ensuring the precise and reliable placement of connector pins, it enables the production of the complex, durable, and high-performance electronic devices that power our modern world. Its role in automating a critical stage of manufacturing makes it a valuable asset for any company seeking to compete in the global electronics market.
Theoretical reading:5000-7000 points/hour (terminal connection)
PCB basic size: PCB board maximum 460mm*330mm
PCB substrate thickness: 0.8-2.4mm
Plug-in component object: Continuous terminal strips or loose terminals formed by stamping
Plug-in header structure: High-speed precision spindle cam transmission mechanism
Plug-in header: 1~3 sets of plug-in heads (quantity optional)
Insert form: The terminal is automatically cut off by the high-speed plug-in head mechanism and quickly inserted into the PCB board. –
XY platform: 0`360 degree free rotation –
Insert length: Customized clamp according to customer’s terminal, adjustable insertion height –
using electric: 220V, AC (single phase) 50/60HZ
6)Core Machine Size (LxWxH)2200x1600x1800mm, –
Machine weight; 1400KG –
Use power: 2.5KW –
Use air pressure: 0.4-0.6Mpa
Gas consumption: 0.2 cubic meters/minute –
Use ambient temperature: 5-25 degrees –
Machine noise: 60 decibels –
Hole position correction method: Machine vision system programming. Multi-point MARK visual correction –
Drive System: AC servo, AC motor –
Data entry method: USB interface input (CSV file format) –
Control System: Chinese and English operation interface (WIn7 system control platform) 17-inch LCD display –
How the workbench works: From left to right. Cut from right to left (optional) –
Circuit board transportation method: Manual/automatic optional –
Strain Measurement Report
Summary of Strain Data
| Strain Gauge Map(测试点位) | e1(0度) | e2(45度) | e3(90度) | Diagonal Strain(对角应变) | e_Min Principal(最小主应变) | e_Max Principal(最大主应变) | Strain Limit(应变极限) | Result(结果) |
| microstrain | microstrain | microstrain | microstrain | microstrain | microstrain | microstrain | ||
| Sensor_1 | -130.9 | -111.8 | 69.4 | 111.8 | -142.6 | 77.8 | 400 | Pass |
| Sensor_2 | -144.5 | 49.1 | 67.6 | 129 | -167.2 | 73.8 | 400 | Pass |
| Sensor_3 | 43.3 | -204.6 | -240.8 | 204.6 | -273.2 | 68.2 | 400 | Pass |
| Sensor_4 | -37.2 | -80.8 | -76.7 | 80.8 | -98.5 | 36.8 | 400 | Pass |
| Sensor_5 | -83.4 | -91.2 | -37 | 91.2 | -113.4 | 64.7 | 400 | Pass |
| Sensor_6 | -54.6 | -267.3 | -179 | 267.3 | -296.3 | 161.5 | 400 | Pass |
Principal&Diagonal Strain
| Principal&Diagonal Strain Value: | Strain Limit: | ±400ue | |||||
| Channel Name | Color | Max(ue) | <<Time(s) | Min(ue) | <<Time(s) | Result | |
| Sensor_1 | eMax | 77.8 | 20.103 | -34.9 | 17.452 | Pass | |
| eMin | 4.1 | 19.239 | -142.6 | 19.163 | Pass | ||
| ed | 111.8 | 20.877 | 1.3 | 0.151 | Pass | ||
| Sensor_2 | eMax | 73.8 | 25.259 | -13 | 29.535 | Pass | |
| eMin | -1.1 | 0.089 | -167.2 | 26.027 | Pass | ||
| ed | 129 | 25.168 | 1 | 0.098 | Pass | ||
| Sensor_3 | eMax | 68.2 | 26.889 | -13.6 | 32.691 | Pass | |
| eMin | -1.5 | 0.014 | -273.2 | 26.89 | Pass | ||
| ed | 204.6 | 26.888 | 1.5 | 0.005 | Pass | ||
| Sensor_4 | eMax | 36.8 | 30.22 | -20.5 | 11.617 | Pass | |
| eMin | -0.3 | 11.69 | -98.5 | 30.218 | Pass | ||
| ed | 80.8 | 30.218 | 0.7 | 13.391 | Pass | ||
| Sensor_5 | eMax | 64.7 | 30.218 | -14.4 | 30.368 | Pass | |
| eMin | -1.3 | 0.223 | -113.4 | 30.213 | Pass | ||
| ed | 91.2 | 30.213 | 1.2 | 0.617 | Pass | ||
| Sensor_6 | eMax | 161.5 | 30.215 | -11.4 | 30.833 | Pass | |
| eMin | -1.7 | 0.016 | -296.3 | 30.215 | Pass | ||
| ed | 267.3 | 30.215 | 1.7 | 0.016 | Pass | ||
















