OpenPnP Desktop Pick & Place Machine
XAutoLab QB V4
OpenPnP Desktop Pick & Place
A solid-steel, dual-vision SMT machine for makers and OpenPnP enthusiasts. Built for those who love to tinker — at a price that makes sense.
What Makes the QB V4 Different
Dual Vision System
Upward + downward cameras for precise component alignment down to 0402.
304 Stainless Steel Frame
Welded steel body — no aluminum extrusion flex, no precision drift over time.
TMC Silent Drivers
Quiet enough for office and home lab use. Built-in micro air pump included.
Single USB Connection
One cable connects everything. Integrated USB hub — no extra power draw when off.
260 × 260 mm PCB Support
Handles larger boards than most machines in this price range.
OpenPnP Compatible
Full access to the world's most flexible open-source pick and place software.
Technical Specifications
| Model | XAutoLab QB V4 |
| Software | OpenPnP (open-source, user-configured) |
| Vision System | Upward-looking + Downward-looking cameras |
| Min. Component Size | 0402 |
| Max. PCB Size | 260 mm × 260 mm |
| Frame Material | 304 Stainless Steel (welded) |
| Stepper Drivers | TMC Silent Drivers |
| Air Pump | Built-in micro pump (555 upgrade available) |
| Nozzle Type | JUKI-compatible (3 nozzles included) |
| Feeder Support | Elastic pull-tape feeders (up to 2 × 20-lane banks) |
| Connectivity | Single USB cable (integrated USB hub) |
| Machine Dimensions | 600 × 550 × 400 mm |
| Weight | Approx. 15 kg |
| Price | $699 USD (was $899) |
⚠️ Important — Please Read Before Ordering
- Software: The QB V4 runs on OpenPnP only. It is not compatible with XAutoLab Control software.
- Setup required: Calibration and configuration must be done by the user within OpenPnP. This is a machine for those who enjoy the process of learning and tuning.
- Assembly: Shipped partially disassembled for packaging. Re-assembly takes ~10 minutes (8 screws). Full test is done before shipping.
Need a Plug-and-Play Solution?
If you'd prefer a machine that's ready to run out of the box — with our proprietary XAutoLab Control software, guided setup, and full technical support — our professional series might be a better fit.
Mini S1
Entry-Level- ±0.05 mm accuracy
- ~1,500 pcs/hr
- 150 × 200 mm PCB
- XAutoLab Control software
V5 Pro
High Throughput- ±0.05 mm accuracy
- ~3,500 pcs/hr
- 200 × 300 mm PCB
- Electric + bulk feeders
X1 Pro
Balanced Performance- ±0.05 mm accuracy
- ~4,000 pcs/hr
- 200 × 300 mm PCB
- Up to 50 feeders
Frequently Asked Questions
Is the QB V4 compatible with XAutoLab Control software?
No. The QB V4 runs exclusively on OpenPnP, a powerful open-source pick and place software. If you need a machine with XAutoLab's proprietary software and guided setup, please consider the Mini S1, V5 Pro, or X1 Pro.
What is the smallest component the QB V4 can place?
The QB V4 supports components down to 0402 size, thanks to its dual vision system (upward and downward cameras) and JUKI-compatible nozzles.
Does it come assembled?
The machine is fully tested before shipping, then partially disassembled for safe packaging. Re-assembly is straightforward and takes approximately 10 minutes using 8 screws.
What feeders are compatible?
The QB V4 supports elastic pull-tape feeders. The machine can accommodate up to two banks of 20-lane feeders (front and rear), for a total of up to 40 feeder positions.
Is technical support included?
We provide basic hardware support. For software configuration and OpenPnP calibration, we recommend the active OpenPnP community forum. If you prefer hands-on support and guided setup, our X1 Pro series includes full XAutoLab technical support.
Ready to Start Building?
Order the QB V4 today, or contact us if you have questions about which machine is right for you.
Buy QB V4 — $699 Contact Us