The Document Pack That Ships With A Welding Machine: What We Include And Why

The Document Pack That Ships With a Welding Machine: What We Include and Why

Every machine we ship leaves the workshop with a document pack, and the pack gets the least attention of anything in the order until the crate is open. That is the wrong way round. A welding machine is a machine, an electrical product and, when there is a laser source involved, a product with its own safety documentation, and what proves all three is paper.

This article sets out what goes into the pack we prepare, who inside our team produces each sheet, and which of those sheets are ours rather than an independent certificate. That last distinction matters more than buyers expect. A factory test record is not a type-examination certificate, and a declaration we sign under our own name is not the same thing as a report from an accredited laboratory. Naming each document correctly saves an argument later.

A documentation set of the kind that ships with a custom machine: drawing, manual, test record, spare-parts list and a document wallet.

Why the Paperwork Arrives With the Machine

The receiving team at the destination usually has three questions in the first week: can we install it, can we run it safely, and can we prove it was built the way it was ordered. The pack answers all three, and it is also the file that an auditor or a customs officer will ask for months later, long after the sales conversation is forgotten.

We treat the pack as part of the deliverable rather than an accessory. That means it is assembled in parallel with the build, not typed up in the last two days before loading, which is where most documentation errors come from.

What Goes in the Pack

The list below is our standing set for a custom machine. A few items are conditional: the declaration of conformity only exists where the destination market asks for one, and the substance statements are issued when a buyer needs them for their own compliance file.

The Three Documents Buyers Read First

In practice three documents get opened before anything else: the test record, the schematic and the declaration. Each has a way of being misread.

The test record is ours, produced on our floor with the parts the customer sent. It states the material, thickness, programme number and the result we accepted. It is evidence of what the machine did on that day, and it is the document to compare against when a joint behaves differently three months later. It is not a third-party certificate and we do not describe it as one.

The schematic is the document that quietly causes trouble, because a machine changes during the build. The rule here is that the schematic carries a revision letter, the same letter is printed on a sticker inside the control cabinet, and the pack ships the revision that matches the sticker. If the letter does not match, the drawing is not the as-built drawing, whatever the cover page says.

The declaration of conformity is issued under our name for the machine as configured, listing the legislation we have assessed it against. It refers to the technical file held here, which is not shipped with the machine but has to exist and has to be retrievable years later. Buyers sometimes ask for the technical file itself; the normal answer is a declaration plus the specific sections they need, not the whole file.

The three documents buyers open first: a schematic, a test record with the measured values, and a signed declaration.

What We Prepare, and At Which Stage

The order moves through five points, and the paperwork moves with it. At order confirmation we record the destination market, because that single field decides whether a declaration of conformity, a different label set or a translated manual is in scope. At design freeze we lock the schematic and issue its first revision letter. During the build any change that touches wiring, guarding or the laser path bumps that letter.

At final test the commissioning team writes the record while the machine is still under power, not afterwards from memory. At packing the shipping desk weighs each crate on a scale instead of copying the figure from the design estimate. Those two habits remove most of the disputes we used to have.

One more stage sits outside the build: when a buyer tells us at quotation that their own customer or auditor will ask for substance statements, we start collecting them from component suppliers then. Waiting until the machine is ready adds weeks, because a supplier statement is a request to another company, not a document we can type.

Where Our Packs Have Failed Before

Four failures are worth naming, because each one is now a step in our process.

• A schematic revision that no longer matched the as-built machine after a late change to the guarding circuit. Now every change bumps the letter and the sticker is reprinted.
• A manual supplied in English only, when the operator training at the destination was going to happen in another language. Now the manual language is confirmed with the order, not with the shipment.
• A crate weight copied from the design estimate, which was two hundred kilos light and made the buyer re-book inland transport. Now every crate is weighed.
• Substance statements requested by the buyer auditor three weeks after delivery, because nobody asked at order stage. Now the question is on our order checklist.

None of these were technical failures. All of them cost the buyer time at the worst possible moment, which is why they belong in a process description rather than a quality manual.

Checking the Pack the Day the Crate Opens

If you are receiving one of our machines, six checks take about twenty minutes and settle most questions before installation starts.

1. Count the cartons and cases against the packing list before anything is moved indoors.
2. Match the machine serial number on the nameplate to the number on the test record and the declaration.
3. Check the revision letter on the sticker inside the control cabinet against the schematic in the pack.
4. Confirm the manual language matches what the operators will actually read.
5. Check that the spare parts list covers the wear items physically installed, not a generic list.
6. Photograph the crate interior before unpacking, so a transport claim has evidence behind it.

Anything that does not match is worth raising in writing the same week. Documents can be reissued quickly while the installation is fresh; reconstructing them a year later is slow for everyone.

Conclusion

Compliance paperwork is not a formality that follows the machine. It is how the machine becomes usable at the destination, and it is the part of the delivery that a buyer cannot inspect by looking at the equipment. Preparing it in parallel with the build, naming each document honestly and keeping the revisions aligned is unglamorous work, but it is what lets a machine clear customs, pass an audit and be maintained by people who were not in the room when it was designed.

Requirements vary by destination market. Always confirm against the current edition of the applicable standard and with your certification body.

PDKJ continues to provide customized laser welding and resistance welding solutions based on different materials, workpiece structures, welding requirements, and production applications.

Related Products

• Customized Welding Machine
• Spot Welding Machines

The PDKJ assembly floor in Dongguan, where machines are built, tested and documented before packing.

Contact PDKJ

Send us your part drawing or a sample, and our engineers will run a welding feasibility trial on your own material and recommend the equipment configured for your application.