English
SW-20
Xiongyi
Our Automatic Bar Feeder is a next-generation automatic feeding system for CNC lathes and Swiss-type lathes. Designed with a PLC + servo motor control system, low-vibration structure, and oil-film protection, it ensures stable performance, precise positioning, and extended lifespan.
| Item | Specification | |
|---|---|---|
| Model | SW-20-3.2M | SW-29-3.2M |
| Bar Range | ∅3-20mm | ∅5-29mm |
| Bar Capacity | ∅20x10P | ∅20x10P Depending on the diameter of the material |
| Bar Length | 3200mm | 3200mm |
| Bar Quality | Please ensure that the straightness of the material is within 0.5mm per meter. Polishing material | Please ensure that the straightness of the material is within 0.5mm per meter. Polishing material |
| Mechanical Weight | 3.2M-380KG | 3.2M-380KG |
| Mechanical Appearance | 4029*456*1200 (mm | 4029*456*1200 (mm) |
(Custom specifications available on request.)
Automatic Bar Feeder SW-20 Technical Parameter
Easy adjustment for different material specifications
Vertical feeding design saves time and improves efficiency
Low noise, low vibration, and ultra-long service life
Supports round, hexagonal, square, and other special-shaped bars
PLC + servo motor for stable feeding and high-precision positioning
Touchscreen interface with digital operation for user-friendly control
Built-in fault diagnosis system for simple, fast maintenance
Encoder synchronization—perfect for Swiss-type CNC lathes
Quick-change hose system for faster replacement
Oil-film feeding system prevents scratches and protects material surface
If you're stepping into the world of CNC machining, there's one tool you'll hear about pretty quickly—automatic bar feeders. They may sound like just another piece of machinery, but they're actually the unsung heroes behind efficient, high-volume manufacturing. So, what are they exactly, and why do they matter so much? Let's dive in and break it all down.
An automatic bar feeder is a device that continuously supplies bar stock into a CNC lathe or turning center. Instead of manually loading one bar at a time, this system automatically pushes new bars into the spindle as needed. Think of it as a conveyor belt, but for raw metal rods.
Why It Matters in CNC Machining
Here's the deal: without a bar feeder, you'd need to pause your machine every time a bar is used up. That means wasted time, lower output, and tired operators. With a bar feeder? Non-stop production.
It's surprisingly simple when broken down:
Load bar stock into the magazine or loader tray.
The system detects when the current bar is nearly used.
It pushes the next bar into the CNC machine's spindle.
Production continues—no human needed!
Magazine: Holds multiple bars ready for feeding.
Pusher mechanism: Moves the bars into the spindle.
Controller: Syncs the feeder with your CNC machine.
Guide channels: Align and stabilize the bars during feeding.
These are perfect for high-volume operations. They store dozens of bars at once and are ideal for long production runs.
These use oil or water to dampen vibrations, making them great for high-speed or lightweight materials.
Precision is the name of the game here. Servo motors control bar movement with incredible accuracy—great for small, detailed parts.
More bars, fewer breaks. You can literally run your machine 24/7 with minimal intervention.
Automatic feeders ensure each bar is aligned and fed consistently, which improves part quality across the board.
No more stopping the machine every 10 minutes to reload. That's hours saved per shift.
From engine parts to axles, bar feeders help crank out parts fast—and in massive quantities.
In an industry where precision is everything, servo-driven bar feeders are a game-changer.
Think surgical tools and implantable devices—bar feeders help maintain the consistency required in these life-critical components.
Make sure your feeder matches the bar size you use most often. Too small or too large, and it won't work efficiently.
Not all feeders work with every lathe. Double-check dimensions, controls, and interface types.
High-volume shop? Go with a magazine feeder. Short runs? A simpler model might do just fine.
Before anything else, make sure your lathe is clean, calibrated, and bar-ready. Remove obstructions and check the spindle bore.
Once installed, do a few test runs. Make adjustments to speed, alignment, and feed pressure to avoid jams and downtime.
Lubricate moving parts regularly.
Clean guide channels to prevent debris buildup.
Check bar alignment to avoid misfeeds.
Bar jamming? Check for bent bars or worn guide channels.
Inconsistent feeding? Inspect the servo or hydraulic system.
Error messages? Reboot and recalibrate the controller.
Modern bar feeders are getting smarter. Think sensors that track bar usage, software that predicts jams, and even cloud analytics.
Manufacturers are now developing energy-efficient feeders with recyclable materials and low-oil designs. Good for business—and the planet.
Automatic bar feeders might not be flashy, but they're absolutely essential in modern manufacturing. They save time, cut labor costs, and deliver unmatched consistency. Whether you're just starting your CNC journey or upgrading your shop, investing in a good bar feeder might be the smartest move you make this year.
A1: Our automatic bar feeder works with Swiss-type CNC lathes, turret lathes, gang-tool lathes, and cam-type automatic lathes.
A2: The oil-film creates a protective layer, reducing friction and preventing surface scratches during feeding.
A3: Yes, it supports round, hexagonal, square, and special-shaped materials.
A4: Very easy—thanks to quick-change hoses, self-diagnosis features, and simplified servicing.
