Zhongyi Laser · Free sample
Process Notes · Engineer's View

With parts placed randomly, can a CCD vision marker find them automatically and skip custom fixtures?

Engineer's view: With parts placed randomly, can a CCD vision marker find them automatically and skip custom fixtures? The short answer: That is exactly what vision marking is for. The camera is calibrated, template matching captures each part's actual position and rotation, the offset is handed to the marking coordinate system, and the galvo follows. Our vision platform locates to plus or minus 0.05 mm and can pick up multiple parts in one shot. The precondition is a stable surface feature - highly reflective, transparent or feature-poor parts need the grip strategy agreed with an engineer first. Below: why it happens, how to set it up, and how to verify it on your line.

2026-10-10·6 min read·Dongguan Zhongyi Laser Equipment Co., Ltd.
With parts placed randomly, can a CCD vision marker find them automatically and skip custom fixtures?

Why this question comes up: the physics

A CCD vision marker calibrates the camera, then uses template matching to capture each part's actual coordinates and rotation theta, feeding both offset and angle into the marking coordinate system. Parts placed skewed or at random still receive a square mark, which removes the need for custom fixtures. Our vision platform locates to plus or minus 0.05 mm and can image once, locate every part on the tray and then mark continuously.

The answer and the process detail

That is exactly what vision marking is for. The camera is calibrated, template matching captures each part's actual position and rotation, the offset is handed to the marking coordinate system, and the galvo follows. Our vision platform locates to plus or minus 0.05 mm and can pick up multiple parts in one shot. The precondition is a stable surface feature - highly reflective, transparent or feature-poor parts need the grip strategy agreed with an engineer first.

How to set it up and verify it

Recognition runs in milliseconds and is rarely the bottleneck - marking time and load-unload cycle dominate. There is no fixed calendar interval for calibration: recalibrate after every changeover or any adjustment to camera or fixture, and in normal production check with a standard part once per shift or week to confirm deviation stays within plus or minus 0.05 mm. Reflective, transparent or feature-poor parts need the grip strategy agreed first, and heavy overlap calls for singulation on the feed side.

Selection and delivery

It suits random part presentation, mixed-model lines and cases where defects must be detected and skipped automatically. Vision can also combine inspection with marking: apply rules on dimensions or features, skip anything that fails and output a reject signal. The criteria must be measurable - vague cosmetic defects have to be trained on samples and the false-reject rate agreed. Full positioning accuracy and camera options are on the CCD Vision Laser Marking Machine page.

Procurement Q&A

How is the price calculated?

Price depends on the model (UV / fiber / CO₂), power, laser-source brand (Raycus / JPT / IPG) and configuration (galvo, field lens, control software). Zhongyi Laser lists the exact laser-source and galvo models on the quote and in the contract, so the configuration is verifiable and easy to reorder or replace later.

What is the typical lead time?

Standard machines ship in 7 days; rush orders in 3–5 days; custom non-standard builds in 15–30 days. Before production we confirm drawings, process and sample results to avoid rework.

What about warranty and service?

18-month warranty on the machine. Core parts like the laser source and galvo are replaceable standard parts with long-term supply, so repairs and swaps are documented.

Can I test before buying?

Yes. Send a sample and we return a real test video within 24 hours and ship the part back. Key models get a 48-hour aging test, so you see the actual result on your own workpiece before deciding.

How do overseas buyers communicate and ship?

Open Mo–Su 08:00–23:00 (GMT+8) with English support. Reach us at +86 159 9995 5734, WhatsApp +86 190 9874 6815 or Laurie@laserdg.com. Machines are packed to export standards.

What is your engineering and supply capacity?

We have 3+ engineers, 7+ authorised patents and 5000+ units shipped. Standard parts like laser source and galvo are stocked long-term for predictable replenishment.

With parts placed randomly, can a CCD vision marker find them automatically and skip custom fixtures?

That is exactly what vision marking is for. The camera is calibrated, template matching captures each part's actual position and rotation, the offset is handed to the marking coordinate system, and the galvo follows. Our vision platform locates to plus or minus 0.05 mm and can pick up multiple parts in one shot. The precondition is a stable surface feature - highly reflective, transparent or feature-poor parts need the grip strategy agreed with an engineer first.

Will CCD recognition slow overall throughput on mixed-part runs?

Usually not. Recognition runs in milliseconds and one image can locate a whole tray, so the time per part is minimal. The real constraints are marking time and load-unload cycle. If you need sub-second cycle time per part, use one-shot imaging with continuous marking and confirm the camera field of view covers the tray. Give us the target cycle and the engineer will calculate it for your conditions.

For bulk small parts, will CCD vision recognition slow down the line?

Vision recognition runs in milliseconds and is rarely the bottleneck; marking time and load-unload cycle usually dominate. Our vision platform takes one image and locates every part on the tray, then marks continuously instead of re-aligning per part. Heavy overlap reduces the recognition rate, in which case simple singulation on the feed side is needed. Give us the target cycle time and the engineer will confirm feasibility for your actual conditions.

Sample video · zero-risk trial
Worried about results? Mail a sample; we shoot a marking video and send it for your confirmation before you order.