Integrated Depaneling: Comparing Station and Panel Envelopes

Separate panel size from machine travel

Procurement should ask vendors to mark the usable panel outline for the specific model and station they are quoting. The incoming panel includes rails and tooling features. It is not just the outline of a single finished board. State the orientation used to assign the drawing axes. If the answer depends on rotating the panel, request an updated layout showing locating features, components and the load direction in that orientation.

The JELIO inline integrated catalog gives the JLO-CXJ3235 maximum PCB depaneling size as 320 mm by 350 mm for a single station. Its listed machine travel describes axis movement, not the maximum PCB size. Dual stations do not make the listed single-station envelope twice as large. When a vendor proposes a different load arrangement, ask for its usable fixture drawing rather than adding the station dimensions or substituting travel figures.

Keep model and configuration together

Compare the inline catalog against the integrated router and saw catalog, which lists the JLO-CXJ3235 and JLO-CXJ4550 in paired order. The paired row assigns 320 mm by 350 mm per station to the first and 450 mm by 500 mm per station to the second. Keep that pair attached to the specific listing. A model name appearing on two pages does not make the surrounding options, tool settings or installation requirements interchangeable.

The component height statements are especially important when a quote covers both methods. The inline page distinguishes milling and saw upper height figures and separately lists the lower figure. The paired listing states an upper and lower figure without that same mode breakdown. Put each statement in its own quote column. Ask the supplier which catalog configuration the offer follows and how the assembly fits with the chosen tooling. Do not resolve different scopes by copying the larger number into every column.

Review the complete occupied space

Request a drawing overlay showing both faces of the assembled panel, the fixture and the features used to load and remove it. Separate component height above the board from features below it. Include protrusions at the edge, since a connector can be a handling obstruction even if its body does not cross the intended cut line. Draw the retained rails and show whether the quoted fixture contacts them. Record restrictions by tool and operation when the same panel will be milled and sawn.

On the shop layout, show the machine footprint, opening and maintenance access and the space occupied by adjacent equipment. The cabinet dimensions in the catalog are useful for screening; they do not establish the complete space a line needs. Request a layout that distinguishes included equipment from customer-supplied items. If handling requires an interface between machines, have the line owner review its location and direction before procurement treats the layout as accepted.

Ask each bidder for the same evidence

A useful comparison sheet has a field for the quoted model, a field for the panel revision and a field for the evidence that closes each requirement. Split panel fit, component clearance and installation fit into separate decisions. A vendor may document one successfully and still need to review the others. Ask that exclusions and optional features be written beside the affected row rather than left in general quotation notes.

Keep published capabilities separate from sample results. A nominal cutting accuracy is a catalog statement, not the dimensional report for your panel. Where the project requires an acceptance test, identify the sample revision, the measurement points and the evidence to be returned. If the quotation covers a product family, define which geometry or assembly feature makes each selected sample representative. An approved small sample need not settle the layout of a larger variant.

Close the gaps before purchase release

Mark each comparison row as documented, pending drawing review or excluded from the quote. Do not score a pending row as a failure or an approval: assign it an owner and a concrete next action. For a tooling-access question, ask the process engineer for an operation drawing. For an installation question, ask the line owner to confirm the layout. For a sample question, specify the inspected edge, the drawing requirement and the record procurement must receive.

Carry the agreed scope into the purchase review with the station configuration, fixture, methods, service space and acceptance evidence named explicitly. Keep the full return drawing with the quotation so the next revision can be checked against the same assumptions. If a later panel variant changes the occupied space or loading orientation, reopen the affected comparison rows before extending the approval.

Example: a rotated panel on a larger station

Suppose one offer appears to fit a panel only when its axes are swapped. Ask the bidder to mark the load edge, fixture datums and the orientation at unloading on one drawing. An outline rotated in a spreadsheet says nothing about whether the existing carrier can locate the assembly that way. If a different carrier is needed, list it as a quoted item and link its drawing to the same revision as the panel.

If the panel fits the station but a tall component restricts a straight saw path, keep the panel fit row documented and the saw operation row pending. The mixed toolpath guide explains how to request a cut-by-cut review without turning a dimensional screen into process approval.

Three different envelopes

Envelope evidence by purchase decision

Published specifications for the application review

JLO-CXJ3235: source catalog values for this product family.

Catalog screen to purchase review

1. 01

   Screen

   Match the panel to the station.

2. 02

   Overlay

   Review both assembly faces.

3. 03

   Compare

   Document the quoted options.

4. 04

   Close

   Assign and resolve open rows.

Related equipment and guides

• Integrated Router and Saw: Planning Mixed Toolpaths
• PCB Depaneling Component Clearance: Drawing Review