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.
Start with the pair, not the single gear
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.
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.
Show ratio, shaft angle and hand on one controlled definition
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.
Put geometry and interfaces into one package
| RFQ item | What to send | Why |
|---|---|---|
| Mating pair | Gear + pinion identity, tooth counts/ratio and hand | Prevents a single component from being quoted against an unknown mate. |
| Shaft relationship | Shaft angle and assembly orientation | Defines how the two axes intersect. |
| Mounting position | Mounting distance, housing/bearing datums and target backlash | Connects the tooth geometry to the real assembly. |
| Interfaces | Bore, spline, keyway, shaft, flange and bearing journals | Ensures the part can be located and assembled correctly. |
| Material / finish | Material, heat treatment, tooth finish and controlled hardness/case requirements | Defines the required manufacturing route. |
| 验收 | Tolerances, quality standard, runout/contact checks and required records | Defines how the buyer will release the finished part. |
Show the assembly datum scheme
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.
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.
Define the process outcome you actually need
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.
When you are comparing possible production routes, an external forged bevel gear manufacturing reference can be useful background for blank and manufacturing terminology. The production drawing and accepted quotation still control the actual spiral bevel gear order.
Add duty and commercial scope before the quote is finalized
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.
针对您的询价单进行商业规划
对于询价计划，最小起订量 (MOQ) 灵活，取决于产品形式、加工路线和订单总额。合适的全新项目可以先以样品价格提供 1-5 件样品进行评估。当订单总额达到约 1500 美元时，可以组合不同的型号。我们也接受 1-2 件的订单，但通常单价较高，因为设置和检验成本会分摊到极小的订单量上。
如需询价，交货计划的典型时间范围为：标准件 10-25 个工作日，定制件 20-45 个工作日，项目型设备或组件 45-120 个工作日。通常支持 EXW、FOB、CIF 和 DAP 等贸易条款；FCA、CFR、CPT、CIP 和 DDP 等条款可根据具体货运和目的地进行协商。
Final RFQ checklist
- Current controlled drawing or the clearest available legacy data
- Gear + pinion relationship and quantities
- Ratio/tooth counts, tooth system, hand and shaft angle
- Mounting datums, backlash target and assembly context
- Bore, spline, keyway, shaft or flange interfaces
- Material, heat treatment, finish and quality requirements
- Duty, environment and lubrication context
- Inspection records required with the shipment
- Destination, sample quantity and preferred Incoterm
请将齿轮对、图纸和功能要求合并在一份询价单中提交。
配合关系和装配数据定义得越清楚，配置审查的速度就越快。
订购和配送指南
最小起订量 (MOQ) 根据产品类型、生产工艺和订单总额而定。合适的全新项目可以按样品价格索取 1-5 件样品。当订单总额达到约 1500 美元时，可以合并不同型号的产品。1-2 件的订单也可以考虑，但单价通常会更高。
标准件的典型计划周期为 10-25 个工作日，定制件为 20-45 个工作日，项目型设备或组件为 45-120 个工作日。通常支持 EXW、FOB、CIF 和 DAP 等贸易条款；FCA、CFR、CPT、CIP 和 DDP 等运输方式可另行商议。
