{"id":492,"date":"2026-09-16T05:47:58","date_gmt":"2026-09-16T05:47:58","guid":{"rendered":"https:\/\/spiralgears.top\/how-to-prepare-a-spiral-bevel-gear-rfq\/"},"modified":"2026-09-17T07:58:41","modified_gmt":"2026-09-17T07:58:41","slug":"how-to-prepare-a-spiral-bevel-gear-rfq","status":"publish","type":"post","link":"https:\/\/spiralgears.top\/nl\/how-to-prepare-a-spiral-bevel-gear-rfq\/","title":{"rendered":"How to Prepare a Spiral Bevel Gear RFQ"},"content":{"rendered":"

A spiral bevel gear RFQ becomes easier to quote when the buyer sends the information that defines the mating pair instead of only a photo and outside diameter. The strongest enquiries combine a controlled drawing or usable sample with assembly context, duty, quantity and a clear list of what the delivered part must be checked against.<\/p>\n

\n
\n

Start with the pair, not the single gear<\/h2>\n

Identify the gear and pinion together. Include which member drives, their tooth counts or ratio, right- and left-hand relationship, shaft angle and any known mounting-distance or backlash requirement. If the job is a replacement, the mating part can reveal information that a worn single component no longer shows clearly.<\/p>\n

A photograph is valuable for orientation, damage and packaging context, but it cannot prove the original tooth geometry. The drawing or a controlled reconstruction of the pair must carry that responsibility.<\/p>\n<\/div>\n<\/section>\n

\n
\n
\n

Show ratio, shaft angle and hand on one controlled definition<\/h2>\n

These variables describe different parts of the mating relationship. Ratio or tooth count tells how the members relate kinematically; shaft angle describes the axis relationship; hand and spiral direction describe the tooth orientation. Put them together in the drawing or assembly note so they cannot be interpreted independently.<\/p>\n<\/div>\n

\"Ratio<\/figure>\n<\/div>\n<\/section>\n
\n
\n

Put geometry and interfaces into one package<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n
RFQ item<\/th>\nWhat to send<\/th>\nWhy<\/th>\n<\/tr>\n<\/thead>\n
Paartje<\/td>\nGear + pinion identity, tooth counts\/ratio and hand<\/td>\nPrevents a single component from being quoted against an unknown mate.<\/td>\n<\/tr>\n
Shaft relationship<\/td>\nShaft angle and assembly orientation<\/td>\nDefines how the two axes intersect.<\/td>\n<\/tr>\n
Mounting position<\/td>\nMounting distance, housing\/bearing datums and target backlash<\/td>\nConnects the tooth geometry to the real assembly.<\/td>\n<\/tr>\n
Interfaces<\/td>\nBore, spline, keyway, shaft, flange and bearing journals<\/td>\nEnsures the part can be located and assembled correctly.<\/td>\n<\/tr>\n
Material \/ finish<\/td>\nMaterial, heat treatment, tooth finish and controlled hardness\/case requirements<\/td>\nDefines the required manufacturing route.<\/td>\n<\/tr>\n
Aanvaarding<\/td>\nTolerances, quality standard, runout\/contact checks and required records<\/td>\nDefines how the buyer will release the finished part.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n
\n
\n
\n

Show the assembly datum scheme<\/h2>\n

A drawing that specifies tooth geometry but omits the housing or shaft references can still leave a manufacturing question: how is the gear located in the actual assembly? Add shoulders, bearing seats, flange faces or housing dimensions that control the mounting position. This is especially important when backlash or contact pattern is sensitive to assembly stack-up.<\/p>\n

For a replacement, record those references before the old pair is removed. Once worn parts are on a bench, some useful installation information may be lost.<\/p>\n<\/div>\n

\"Mounting<\/figure>\n<\/div>\n<\/section>\n
\n
\n

Define the process outcome you actually need<\/h2>\n

State the required material and heat treatment when they are controlled by the design. State whether the teeth are cut or ground and which quality or inspection standard applies. Avoid copying a hardness or quality grade from another gear unless it belongs to the same design requirement.<\/p>\n

When you are comparing possible production routes, an external forged bevel gear manufacturing reference<\/a> can be useful background for blank and manufacturing terminology. The production drawing and accepted quotation still control the actual spiral bevel gear order.<\/p>\n<\/div>\n<\/section>\n

\n
\n

Add duty and commercial scope before the quote is finalized<\/h2>\n

Operating speed, torque or load spectrum, reversals, shock, lubrication and environment help the supplier understand why the drawing contains certain material, tooth-finish or inspection requirements. Quantity, destination and sample needs matter to setup, packing and logistics. Putting these items in the first RFQ makes later price comparisons more meaningful because suppliers are quoting the same scope.<\/p>\n

\n

Commerci\u00eble planning voor uw offerteaanvraag<\/h3>\n

Voor het aanvragen van een offerte is de minimale bestelhoeveelheid (MOQ) flexibel en afhankelijk van de productvorm, de productieroute en de totale orderwaarde. Geschikte nieuwe projecten kunnen worden beoordeeld aan de hand van 1 tot 5 proefexemplaren tegen een proefprijs. Verschillende modellen kunnen worden gecombineerd wanneer de totale orderwaarde ongeveer USD 1.500 bedraagt. Bestellingen van 1 tot 2 stuks kunnen ook worden overwogen, meestal tegen een hogere kostprijs per stuk omdat de instel- en inspectiekosten over een zeer kleine hoeveelheid worden verdeeld.<\/p>\n

Voor een offerteaanvraag en levertijdplanning zijn de gebruikelijke levertijden 10-25 werkdagen voor standaardonderdelen, 20-45 werkdagen voor maatwerkcomponenten en 45-120 werkdagen voor projectapparatuur of -assemblages. EXW, FOB, CIF en DAP worden veelvuldig ondersteund; FCA, CFR, CPT, CIP en DDP kunnen worden besproken afhankelijk van de specifieke zending en bestemming.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n
\n

Final RFQ checklist<\/h2>\n