What We Build
Turn a defined mechanical and electrical subsystem into a tested, identified and documented delivery item.
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Send your drawing, BOM or idea — we reply with a practical Box Build scope review.
A custom electronic subsystem is a defined delivery item that combines mechanical structure, approved PCBAs, internal cables or harnesses, purchased electromechanical components, interfaces, software or configuration, test, identification and packaging. It may install into a larger machine, cabinet, vehicle, instrument or product, but it can still be managed as a complete Box Build when its boundary and acceptance condition are clear.
The first task is to define what belongs inside the subsystem and what remains with the customer's final product. Mating connectors, mounting points, power and signals, software dependencies, cooling, communications, test access, compliance responsibilities and handover records should be stated at that boundary. We then integrate, test and deliver the approved scope.
The approved enclosure, chassis, frame, panels, brackets, mounts, seals, thermal parts and hardware form the subsystem structure. Enclosure integration coordinates internal fit, openings, external mounting, connector presentation, grounding points, closure sequence and service access.
Approved PCBAs, power devices, sensors, actuators, switches, displays, fans, terminals or COTS modules are installed to the released configuration. Electromechanical assembly controls part identity, orientation, mounting, isolation, fastening and interface contact.
Harnesses, cables and point-to-point connections follow approved drawings or connection maps. Routing, connector seating, polarity, keying, retention, strain relief, bend radius, shielding, grounding and labels are checked where specified, including the interface leads presented to the parent product.
Approved firmware, parameters or device settings can be loaded and recorded. Unit labels, serial identity, protective covers, loose accessories, interface caps, documents and packaging are applied so the delivered subsystem matches the agreed installation and receiving condition.
Subsystem work depends on disciplined interface control. An internally correct assembly can still fail at the parent-product boundary if mechanical, electrical, software or data assumptions are not explicit.
Interface drawings should define mounting datums, envelopes, keep-outs, mating parts, pinout, power characteristics, grounding, thermal paths, communication behavior and installation orientation. Variant matrices should connect each deliverable option to its BOM, drawings, firmware, labels, accessories, test revision and serial rules.
The functional-test plan should distinguish checks possible on the subsystem from tests that require the parent product or a customer-defined simulator. It must identify fixtures, software, stimuli, expected responses, limits, data fields, known dependencies and authority for failures, rework and retest.
For a new or materially changed subsystem, NPI and pilot builds can verify the interface definition, assembly sequence, fit, routing, configuration, standalone test and installation packaging. Findings remain open until approved changes are released into all affected files.
Start with a short subsystem boundary statement, then provide the technical package and required delivery evidence. Incomplete inputs can be reviewed when their status and owners are clear.
Intended function, parent-product interface, BOM, approved sources, assembly drawings, enclosure data, variants and customer-supplied items.
Mounting and envelope drawings, mating connectors, pinout, harness data, power, grounding, thermal, communication and installation requirements.
Approved software, settings, loading method, inspection and test procedures, fixtures, simulators, limits, records and compliance responsibility.
Serial rules, label artwork, accessories, protective interfaces, documentation, packaging, quantity, forecast, timing and final delivery condition.
Prepare the full RFQ package, review Box Build capabilities, or return to all product types.
Have a BOM, assembly drawings, enclosure CAD, harness requirements or test procedure? Send what you have. We’ll confirm the Box Build scope, identify missing information and outline the next step before quotation.
Send your drawing or idea and we’ll reply with a practical Box Build scope review.