Comprehensive Mold Solutions
Secondary Operations & Finishing
Printing, painting, plating, welding and assembly — the finishing steps that turn a moulded part into a finished product.
A moulded part is rarely a finished product
Almost every programme needs work after the press: a logo printed on a housing, a painted bezel, an ultrasonic weld, a threaded insert, or a kit packed ready for the shelf.
We run these operations in-house or with audited partners next door, so the sequence, the handling and the quality checks stay under one quality system.
- Pad printing, screen printing and laser marking
- Spray painting, soft-touch and UV coating
- Ultrasonic and hot plate welding
- Insert installation, sub-assembly and retail packing
Finishing and assembly options
Printing and decoration
Pad print, screen print and laser marking for logos, scales and serial data, with colour matched to your artwork.
Painting and coating
Primer, topcoat, soft-touch and UV-cure finishes with gloss and texture targets agreed against a master sample.
Welding and joining
Ultrasonic, hot plate and vibration welding for sealed and structural joints, with leak and pull tests where applicable.
Assembly and packaging
Sub-assembly, insert fitting, functional testing, bagging, kitting and retail-ready packing.
Typical operations and controls
| Operation | Control |
|---|---|
| Pad / screen printing | Registration and adhesion test (cross-hatch) per batch |
| Painting | Colour and gloss against approved master; thickness gauge checks |
| Laser marking | Contrast and legibility check, permanence test where required |
| Ultrasonic welding | Weld strength or leak test on sample parts per shift |
| Assembly | In-line functional check, with a documented check sheet per part number |
How a finishing programme runs
01
Drawing and specification review
We confirm which operations are needed, in what sequence, and what the acceptance criteria are.
02
Sample and approval
A finished sample is produced for your sign-off before volume work starts.
03
Fixture and tooling
Printing plates, masks, weld fixtures and assembly jigs are made and validated.
04
Production with in-process checks
Defined checks per batch: adhesion, colour, weld strength, function.
05
Packing and traceability
Batch identification on the packaging, so any quality issue can be traced back to the press and the operator.
Frequently asked questions
Can you match a specific paint colour or texture?
Yes, against a master sample, a Pantone reference or a colour chip. We produce a sample for approval before volume production — colour is never approved from a photograph.
Do secondary operations change the mould?
Sometimes. Weld lines, rib geometry and wall thickness affect ultrasonic welding, so it is worth involving us at design stage rather than after the tool is cut.
Can you supply kits rather than single parts?
Yes. Bagging, kitting and retail packing with barcodes or your own labels are routine.
How do you control quality across several operations?
Each operation has defined acceptance criteria and a check frequency, and the finished part is inspected against the same approved sample throughout the programme.
Related services
Plastic Injection Molding · CNC Machining & Prototyping · Mold Design & Engineering · Die Casting · Final Assembly & Packaging
Learn more about YOYO Mould, or send us your drawings for a quotation.
Tell us what has to happen after the press
Send your part, the finishing specification and the quantity per month — we will confirm the sequence, the fixtures and the price.