Help engineering and purchasing get a useful answer

Membrane Switch RFQ & Drawing Checklist

A good RFQ does not need every production detail, but it should identify the equipment, panel outline, key functions, circuit connection, environment, project stage and expected quantity. Unknowns can remain open as long as they are visible.

Engineering worksheet

Prepare a reviewable RFQ before uploading drawings.

The worksheet keeps known requirements and open questions visible across engineering and purchasing. It supports the secure RFQ; it is not a final specification or production authorization.

Fillable PDF - 2 pages - 45 engineering fieldsDownload the fillable RFQ worksheet

Engineering variables

Include these inputs where available

01

Mechanical

Outline, cut-outs, keys, windows, mounting land, tail route and available thickness.

02

Graphics

Vector artwork, colour references, legends, textures, embossing and backlighting.

03

Electrical

Schematic, pinout, connector, LEDs, shielding and functional test.

04

Commercial context

Prototype or production stage, quantity range, target timing and delivery country.

Decision matrix

How complete should the input package be at each project stage?

An early concept can be reviewed with open items, but a comparable quotation needs one aligned input revision and a prototype or production release needs controlled acceptance evidence. These are working package states, not certification levels.

Decision factorConcept reviewComparable quotationPrototype / release control
PurposeExpose the intended interface, known constraints and decisions that still need engineering discussion.Ask each supplier to price the same defined scope while making every remaining assumption and exclusion visible.Control the construction, interfaces and evidence that will be built, tested and approved for the named revision.
Mechanical definitionShare a sketch, sample photographs or available CAD with the envelope, key locations, display or window areas and enclosure context.Align the outline, cut-outs, active areas, tail exit, mounting land, thickness boundary and dimensional authority used for pricing.Release the approved dimensions, tolerances, datums or mating references, enclosure interface and mounted-fit acceptance method.
Circuit and interconnectDescribe key functions and share any available matrix, schematic, cable or connector information.Align the circuit platform, key matrix or schematic, pinout, tail geometry, contact orientation, mating connector and test scope.Control circuit artwork or fabrication data, component and connector identities, assembly boundaries and the functional test record.
Graphics and use conditionsShow the intended legends, windows, lighting need and the equipment environment, even when colours or materials remain open.Align artwork revision, colour reference method, finish, windows, embossing, lighting zones, cleaning and exposure assumptions.Control approved artwork and material references plus the mounted visual, cleaning, environmental and operator-interface evidence required by the project.
Revision and approvalName the file set and date, identify the owner of each open decision and keep alternatives visibly provisional.Issue one quotation package revision and require suppliers to list deviations, options and customer-owned items against it.Identify the released document set, change status, approved sample or first-article evidence, acceptance decision and authorization responsibility.

A price, prototype or sample does not silently close an open requirement. Keep the document identifier, revision, date, open-item owner, supplier deviation and acceptance record connected so engineering and purchasing know exactly which package each response describes.

Before the RFQ

Questions that keep the first review useful.

Start with the evidence you have now. Open items stay visible for engineering follow-up instead of becoming silent quotation assumptions.

Minimum package

Can HYR review an RFQ before the production drawing is complete?

Yes. Send the latest drawing, sketch, artwork, photographs or sample details and label every unknown or provisional choice. The first review can identify missing decisions, but price, timing and manufacturability remain conditional until the scope is aligned.

Comparable quotes

What must be controlled before comparing membrane-switch quotations?

Give every supplier the same current package revision and align the outline, key map, circuit or pinout, tail and connector, mounting interface, graphics, environment, quantity range and supply boundary. Compare each stated assumption, exclusion and alternative as part of the quotation—not price alone.

Release authority

Does an accepted quotation or prototype authorize production?

No. Production authority should identify the released document set, approved construction and artwork, accepted sample or first-article evidence, unresolved deviations and the person responsible for approval. A quotation, upload or sample by itself does not replace that controlled release.

A useful fit when

Start here if the project has these conditions.

  • New RFQs
  • Supplier transfer or redesign
  • Internal design-release preparation

Limits to resolve

Do not treat a product page as a final specification.

  • A quotation may remain conditional while critical inputs are unknown
  • Sending a drawing does not authorize production
  • Confidential files should use the secure upload path

Prepare the RFQ

What to send for a useful review

You can submit what is available now. Unknown items remain visible for human follow-up rather than being guessed.

  1. 01

    Contact name, company and country

  2. 02

    Product type and application

  3. 03

    Drawing or clear dimensional description

  4. 04

    Quantity, stage and target timing

Evidence boundary

Claims follow the approved drawing and the actual evidence holder.

HYR issues a unique RFQ reference and keeps customer words, uploaded-file status and human conclusions distinct.

Technical reference basis

Sources inform the questions. The project drawing controls the answer.

These publisher resources support the decision framework. They do not prove that HYR uses a named grade, holds a listed certification or has approved a project construction.

  1. ISOISO 7200:2004 — Data fields in title blocks and document headers
    Publication date not stated

    Primary standards-body context for identifying technical product documents and exchanging document-header data; it does not make an HYR RFQ or customer drawing compliant with ISO 7200.

  2. ASMEASME Y14.5-2018 (R2024) — Dimensioning and Tolerancing
    Publication date not stated

    Primary standards-body context for communicating dimensions, tolerances and design intent; it applies only when the customer adopts the relevant drawing rules and is not evidence of HYR certification or project compliance.

  3. ISOISO 10007:2017 — Guidelines for configuration management
    Publication date not stated

    Primary standards-body context for configuration identification and change control across a product life cycle; it is guidance, not an HYR certification or automatic production-release procedure.